[INFO] fetching crate strict-yaml-rust 0.1.1...
[INFO] testing strict-yaml-rust-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate strict-yaml-rust 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate strict-yaml-rust 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strict-yaml-rust 0.1.1
[INFO] finished tweaking crates.io crate strict-yaml-rust 0.1.1
[INFO] tweaked toml for crates.io crate strict-yaml-rust 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ed33cec3d8db36b65f9bcfb532b685748474ba64900e890c77bd6bd63295345
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2ed33cec3d8db36b65f9bcfb532b685748474ba64900e890c77bd6bd63295345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ed33cec3d8db36b65f9bcfb532b685748474ba64900e890c77bd6bd63295345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed33cec3d8db36b65f9bcfb532b685748474ba64900e890c77bd6bd63295345", kill_on_drop: false }`
[INFO] [stdout] 2ed33cec3d8db36b65f9bcfb532b685748474ba64900e890c77bd6bd63295345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 080157b7260f1380154defd695453dd5d285e062d757d17605f9f066bee9e633
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "080157b7260f1380154defd695453dd5d285e062d757d17605f9f066bee9e633", kill_on_drop: false }`
[INFO] [stderr]    Compiling strict-yaml-rust v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/emitter.rs:299:15
[INFO] [stdout]     |
[INFO] [stdout] 299 |         | '\0'...'\x06'
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/emitter.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 |         | '\x0e'...'\x1a'
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/emitter.rs:304:17
[INFO] [stdout]     |
[INFO] [stdout] 304 |         | '\x1c'...'\x1f' => true,
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:350:16
[INFO] [stdout]     |
[INFO] [stdout] 350 |         match *try!(self.peek_token()) {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:186:12
[INFO] [stdout]     |
[INFO] [stdout] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:186:24
[INFO] [stdout]     |
[INFO] [stdout] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stdout]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |         '0'...'9' => (c as u32) - ('0' as u32),
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |         'a'...'f' => (c as u32) - ('a' as u32) + 10,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout] 200 |         'A'...'F' => (c as u32) - ('A' as u32) + 10,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     writer: &'a mut fmt::Write,
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 -     writer: &'a mut fmt::Write,
[INFO] [stdout] 42 +     writer: &'a mut dyn fmt::Write,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn escape_str(wr: &mut fmt::Write, v: &str) -> Result<(), fmt::Error> {
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 - fn escape_str(wr: &mut fmt::Write, v: &str) -> Result<(), fmt::Error> {
[INFO] [stdout] 52 + fn escape_str(wr: &mut dyn fmt::Write, v: &str) -> Result<(), fmt::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     fn cause(&self) -> Option<&Error> {
[INFO] [stdout] 21 +     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/emitter.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn new(writer: &'a mut fmt::Write) -> StrictYamlEmitter {
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 114 -     pub fn new(writer: &'a mut fmt::Write) -> StrictYamlEmitter {
[INFO] [stdout] 114 +     pub fn new(writer: &'a mut dyn fmt::Write) -> StrictYamlEmitter {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scanner.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 -     fn cause(&self) -> Option<&Error> {
[INFO] [stdout] 70 +     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/emitter.rs:16:49
[INFO] [stdout]    |
[INFO] [stdout] 16 |             EmitError::FmtError(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `marks`
[INFO] [stdout]   --> src/parser.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     marks: Vec<Marker>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parser.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `anchor_id`
[INFO] [stdout]   --> src/parser.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     anchor_id: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parser.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "080157b7260f1380154defd695453dd5d285e062d757d17605f9f066bee9e633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "080157b7260f1380154defd695453dd5d285e062d757d17605f9f066bee9e633", kill_on_drop: false }`
[INFO] [stdout] 080157b7260f1380154defd695453dd5d285e062d757d17605f9f066bee9e633
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa4434981276230192860a577479aa720f3e8365419561ce7c290faeb1c049fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aa4434981276230192860a577479aa720f3e8365419561ce7c290faeb1c049fb", kill_on_drop: false }`
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/emitter.rs:299:15
[INFO] [stdout]     |
[INFO] [stdout] 299 |         | '\0'...'\x06'
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/emitter.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 |         | '\x0e'...'\x1a'
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/emitter.rs:304:17
[INFO] [stdout]     |
[INFO] [stdout] 304 |         | '\x1c'...'\x1f' => true,
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:350:16
[INFO] [stdout]     |
[INFO] [stdout] 350 |         match *try!(self.peek_token()) {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:186:12
[INFO] [stdout]     |
[INFO] [stdout] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:186:24
[INFO] [stdout]     |
[INFO] [stdout] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stdout]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |         '0'...'9' => (c as u32) - ('0' as u32),
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |         'a'...'f' => (c as u32) - ('a' as u32) + 10,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout] 200 |         'A'...'F' => (c as u32) - ('A' as u32) + 10,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     writer: &'a mut fmt::Write,
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 -     writer: &'a mut fmt::Write,
[INFO] [stdout] 42 +     writer: &'a mut dyn fmt::Write,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn escape_str(wr: &mut fmt::Write, v: &str) -> Result<(), fmt::Error> {
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 - fn escape_str(wr: &mut fmt::Write, v: &str) -> Result<(), fmt::Error> {
[INFO] [stdout] 52 + fn escape_str(wr: &mut dyn fmt::Write, v: &str) -> Result<(), fmt::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     fn cause(&self) -> Option<&Error> {
[INFO] [stdout] 21 +     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/emitter.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn new(writer: &'a mut fmt::Write) -> StrictYamlEmitter {
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 114 -     pub fn new(writer: &'a mut fmt::Write) -> StrictYamlEmitter {
[INFO] [stdout] 114 +     pub fn new(writer: &'a mut dyn fmt::Write) -> StrictYamlEmitter {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scanner.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 -     fn cause(&self) -> Option<&Error> {
[INFO] [stdout] 70 +     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/emitter.rs:16:49
[INFO] [stdout]    |
[INFO] [stdout] 16 |             EmitError::FmtError(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `marks`
[INFO] [stdout]   --> src/parser.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     marks: Vec<Marker>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parser.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `anchor_id`
[INFO] [stdout]   --> src/parser.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     anchor_id: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parser.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quickcheck v0.7.2
[INFO] [stderr]    Compiling strict-yaml-rust v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]  --> examples/dump_yaml.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::{File, read_to_string};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> examples/dump_yaml.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> examples/dump_yaml.rs:9:51
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type Result<T> = ::std::result::Result<T, Box<::std::error::Error>>;
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error)>>;
[INFO] [stdout]   |                                                   +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/emitter.rs:299:15
[INFO] [stdout]     |
[INFO] [stdout] 299 |         | '\0'...'\x06'
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/emitter.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 |         | '\x0e'...'\x1a'
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/emitter.rs:304:17
[INFO] [stdout]     |
[INFO] [stdout] 304 |         | '\x1c'...'\x1f' => true,
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:350:16
[INFO] [stdout]     |
[INFO] [stdout] 350 |         match *try!(self.peek_token()) {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:186:12
[INFO] [stdout]     |
[INFO] [stdout] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:186:24
[INFO] [stdout]     |
[INFO] [stdout] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stdout]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |         '0'...'9' => (c as u32) - ('0' as u32),
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |         'a'...'f' => (c as u32) - ('a' as u32) + 10,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/scanner.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout] 200 |         'A'...'F' => (c as u32) - ('A' as u32) + 10,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     writer: &'a mut fmt::Write,
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 -     writer: &'a mut fmt::Write,
[INFO] [stdout] 42 +     writer: &'a mut dyn fmt::Write,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn escape_str(wr: &mut fmt::Write, v: &str) -> Result<(), fmt::Error> {
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 - fn escape_str(wr: &mut fmt::Write, v: &str) -> Result<(), fmt::Error> {
[INFO] [stdout] 52 + fn escape_str(wr: &mut dyn fmt::Write, v: &str) -> Result<(), fmt::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     fn cause(&self) -> Option<&Error> {
[INFO] [stdout] 21 +     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/emitter.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn new(writer: &'a mut fmt::Write) -> StrictYamlEmitter {
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 114 -     pub fn new(writer: &'a mut fmt::Write) -> StrictYamlEmitter {
[INFO] [stdout] 114 +     pub fn new(writer: &'a mut dyn fmt::Write) -> StrictYamlEmitter {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scanner.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 -     fn cause(&self) -> Option<&Error> {
[INFO] [stdout] 70 +     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/emitter.rs:16:49
[INFO] [stdout]    |
[INFO] [stdout] 16 |             EmitError::FmtError(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> tests/quickcheck.rs:17:42
[INFO] [stdout]    |
[INFO] [stdout] 17 |             return TestResult::error(err.description());
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `marks`
[INFO] [stdout]   --> src/parser.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     marks: Vec<Marker>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parser.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `anchor_id`
[INFO] [stdout]   --> src/parser.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     anchor_id: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parser.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/emitter.rs:354:30
[INFO] [stdout]     |
[INFO] [stdout] 354 |             Err(e) => panic!(format!("{}", e))
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 354 -             Err(e) => panic!(format!("{}", e))
[INFO] [stdout] 354 +             Err(e) => panic!("{}", e)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.01s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/strict_yaml_rust-98edaf9076ff3e5e)
[INFO] [stderr]   Executable tests/quickcheck.rs (/opt/rustwide/target/debug/deps/quickcheck-d4db956f54af6a23)
[INFO] running `Command { std: "docker" "inspect" "aa4434981276230192860a577479aa720f3e8365419561ce7c290faeb1c049fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4434981276230192860a577479aa720f3e8365419561ce7c290faeb1c049fb", kill_on_drop: false }`
[INFO] [stdout] aa4434981276230192860a577479aa720f3e8365419561ce7c290faeb1c049fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce12643f5b2d9c667c1f401bb9362844b7d631c1eb6e329094fd3837b91d4797
[INFO] running `Command { std: "docker" "start" "-a" "ce12643f5b2d9c667c1f401bb9362844b7d631c1eb6e329094fd3837b91d4797", kill_on_drop: false }`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/emitter.rs:299:15
[INFO] [stderr]     |
[INFO] [stderr] 299 |         | '\0'...'\x06'
[INFO] [stderr]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/emitter.rs:303:17
[INFO] [stderr]     |
[INFO] [stderr] 303 |         | '\x0e'...'\x1a'
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/emitter.rs:304:17
[INFO] [stderr]     |
[INFO] [stderr] 304 |         | '\x1c'...'\x1f' => true,
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:350:16
[INFO] [stderr]     |
[INFO] [stderr] 350 |         match *try!(self.peek_token()) {
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner.rs:186:12
[INFO] [stderr]     |
[INFO] [stderr] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner.rs:186:24
[INFO] [stderr]     |
[INFO] [stderr] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner.rs:186:36
[INFO] [stderr]     |
[INFO] [stderr] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner.rs:198:12
[INFO] [stderr]     |
[INFO] [stderr] 198 |         '0'...'9' => (c as u32) - ('0' as u32),
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner.rs:199:12
[INFO] [stderr]     |
[INFO] [stderr] 199 |         'a'...'f' => (c as u32) - ('a' as u32) + 10,
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scanner.rs:200:12
[INFO] [stderr]     |
[INFO] [stderr] 200 |         'A'...'F' => (c as u32) - ('A' as u32) + 10,
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emitter.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |     writer: &'a mut fmt::Write,
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 42 -     writer: &'a mut fmt::Write,
[INFO] [stderr] 42 +     writer: &'a mut dyn fmt::Write,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emitter.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn escape_str(wr: &mut fmt::Write, v: &str) -> Result<(), fmt::Error> {
[INFO] [stderr]    |                        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 52 - fn escape_str(wr: &mut fmt::Write, v: &str) -> Result<(), fmt::Error> {
[INFO] [stderr] 52 + fn escape_str(wr: &mut dyn fmt::Write, v: &str) -> Result<(), fmt::Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emitter.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 21 -     fn cause(&self) -> Option<&Error> {
[INFO] [stderr] 21 +     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/emitter.rs:114:32
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn new(writer: &'a mut fmt::Write) -> StrictYamlEmitter {
[INFO] [stderr]     |                                ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 114 -     pub fn new(writer: &'a mut fmt::Write) -> StrictYamlEmitter {
[INFO] [stderr] 114 +     pub fn new(writer: &'a mut dyn fmt::Write) -> StrictYamlEmitter {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scanner.rs:70:32
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 70 -     fn cause(&self) -> Option<&Error> {
[INFO] [stderr] 70 +     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/emitter.rs:16:49
[INFO] [stderr]    |
[INFO] [stderr] 16 |             EmitError::FmtError(ref err) => err.description(),
[INFO] [stderr]    |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `marks`
[INFO] [stderr]   --> src/parser.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     marks: Vec<Marker>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/parser.rs:50:10
[INFO] [stderr]    |
[INFO] [stderr] 50 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `anchor_id`
[INFO] [stderr]   --> src/parser.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     anchor_id: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/parser.rs:50:10
[INFO] [stderr]    |
[INFO] [stderr] 50 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `strict-yaml-rust` (lib) generated 18 warnings
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> examples/dump_yaml.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs::{File, read_to_string};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> examples/dump_yaml.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> examples/dump_yaml.rs:9:51
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type Result<T> = ::std::result::Result<T, Box<::std::error::Error>>;
[INFO] [stderr]   |                                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error)>>;
[INFO] [stderr]   |                                                   +++++                   +
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/emitter.rs:354:30
[INFO] [stderr]     |
[INFO] [stderr] 354 |             Err(e) => panic!(format!("{}", e))
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 354 -             Err(e) => panic!(format!("{}", e))
[INFO] [stderr] 354 +             Err(e) => panic!("{}", e)
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> tests/quickcheck.rs:17:42
[INFO] [stderr]    |
[INFO] [stderr] 17 |             return TestResult::error(err.description());
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `strict-yaml-rust` (example "dump_yaml") generated 3 warnings
[INFO] [stderr] warning: `strict-yaml-rust` (lib test) generated 19 warnings (18 duplicates)
[INFO] [stderr] warning: `strict-yaml-rust` (test "quickcheck") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/strict_yaml_rust-98edaf9076ff3e5e)
[INFO] [stdout] running 30 tests
[INFO] [stdout] test emitter::test::test_deeply_nested_arrays ... ok
[INFO] [stdout] test scanner::test::test_collections_in_mapping ... ok
[INFO] [stdout] test emitter::test::test_nested_arrays ... ok
[INFO] [stdout] test emitter::test::test_emit_complex ... ok
[INFO] [stdout] test emitter::test::test_nested_hashes ... ok
[INFO] [stdout] test emitter::test::test_emit_simple ... ok
[INFO] [stdout] test emitter::test::test_empty_and_nested ... ok
[INFO] [stdout] test emitter::test::test_empty_and_nested_compact ... ok
[INFO] [stdout] test parser::test::test_peek_eq_parse ... ok
[INFO] [stdout] test scanner::test::test_block_mappings ... ok
[INFO] [stdout] test scanner::test::test_multiple_documents ... ok
[INFO] [stdout] test scanner::test::test_no_block_sequence_start ... ok
[INFO] [stdout] test scanner::test::test_collections_in_sequence ... ok
[INFO] [stdout] test scanner::test::test_scalar ... ok
[INFO] [stdout] test scanner::test::test_empty ... ok
[INFO] [stdout] test scanner::test::test_scanner_cr ... ok
[INFO] [stdout] test scanner::test::test_uri ... ok
[INFO] [stdout] test scanner::test::test_uri_escapes ... ok
[INFO] [stdout] test strict_yaml::test::test_bad_docstart ... ok
[INFO] [stdout] test strict_yaml::test::test_hash_order ... ok
[INFO] [stdout] test strict_yaml::test::test_empty_doc ... ok
[INFO] [stdout] test strict_yaml::test::test_multi_doc ... ok
[INFO] [stdout] test strict_yaml::test::test_parser ... ok
[INFO] [stdout] test strict_yaml::test::test_plain_datatype ... ok
[INFO] [stdout] test emitter::test::test_emit_avoid_quotes ... ok
[INFO] [stdout] test strict_yaml::test::test_plain_datatype_with_into_methods ... ok
[INFO] [stdout] test tests::test_fail ... ok
[INFO] [stdout] test tests::test_api ... ok
[INFO] [stdout] test strict_yaml::test::test_coerce ... ok
[INFO] [stdout] test scanner::test::test_block_sequences ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/quickcheck.rs (/opt/rustwide/target/debug/deps/quickcheck-d4db956f54af6a23)
[INFO] [stdout] test test_check_weird_keys ... ok
[INFO] [stderr]    Doc-tests strict-yaml-rust
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/emitter.rs:299:15
[INFO] [stderr]     |
[INFO] [stderr] 299 |         | '\0'...'\x06'
[INFO] [stderr]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/emitter.rs:303:17
[INFO] [stderr]     |
[INFO] [stderr] 303 |         | '\x0e'...'\x1a'
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/emitter.rs:304:17
[INFO] [stderr]     |
[INFO] [stderr] 304 |         | '\x1c'...'\x1f' => true,
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/scanner.rs:186:12
[INFO] [stderr]     |
[INFO] [stderr] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/scanner.rs:186:24
[INFO] [stderr]     |
[INFO] [stderr] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/scanner.rs:186:36
[INFO] [stderr]     |
[INFO] [stderr] 186 |         '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/scanner.rs:198:12
[INFO] [stderr]     |
[INFO] [stderr] 198 |         '0'...'9' => (c as u32) - ('0' as u32),
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/scanner.rs:199:12
[INFO] [stderr]     |
[INFO] [stderr] 199 |         'a'...'f' => (c as u32) - ('a' as u32) + 10,
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/scanner.rs:200:12
[INFO] [stderr]     |
[INFO] [stderr] 200 |         'A'...'F' => (c as u32) - ('A' as u32) + 10,
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/strict_yaml.rs - strict_yaml::StrictYaml (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ce12643f5b2d9c667c1f401bb9362844b7d631c1eb6e329094fd3837b91d4797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce12643f5b2d9c667c1f401bb9362844b7d631c1eb6e329094fd3837b91d4797", kill_on_drop: false }`
[INFO] [stdout] ce12643f5b2d9c667c1f401bb9362844b7d631c1eb6e329094fd3837b91d4797