[INFO] crate fmt-extra 0.2.1 is already in cache
[INFO] testing fmt-extra-0.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate fmt-extra 0.2.1 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate fmt-extra 0.2.1 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 fmt-extra 0.2.1
[INFO] finished tweaking crates.io crate fmt-extra 0.2.1
[INFO] tweaked toml for crates.io crate fmt-extra 0.2.1 written to /workspace/builds/worker-44/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4883f0a622a8ca04fec89febab3feb08db3014b78f1d0c5855ca33430dfb01c
[INFO] running `Command { std: "docker" "start" "-a" "c4883f0a622a8ca04fec89febab3feb08db3014b78f1d0c5855ca33430dfb01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4883f0a622a8ca04fec89febab3feb08db3014b78f1d0c5855ca33430dfb01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4883f0a622a8ca04fec89febab3feb08db3014b78f1d0c5855ca33430dfb01c", kill_on_drop: false }`
[INFO] [stdout] c4883f0a622a8ca04fec89febab3feb08db3014b78f1d0c5855ca33430dfb01c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e38d844a99a3f925579f8521ec4c81baeba5377b7b1ef67a4e4e24ea423f9334
[INFO] running `Command { std: "docker" "start" "-a" "e38d844a99a3f925579f8521ec4c81baeba5377b7b1ef67a4e4e24ea423f9334", kill_on_drop: false }`
[INFO] [stderr]    Compiling fmt-extra v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         try!(write!(f, "'{}", fst));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             try!(write!(f, "'\\''{}", elem));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             try!(write!(f, "{}{}", i, self.sep));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             try!(write!(fmt, "{:02x}", e));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(write!(fmt, "\""));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         try!(write!(fmt, "\""));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:166:25
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 b'"' => try!(write!(fmt, "\\\"")),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:167:32
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 0x20...0x7E => try!(write!(fmt, "{}", *e as char)),
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 0x20...0x7E => try!(write!(fmt, "{}", *e as char)),
[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: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:168:22
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 _ => try!(write!(fmt, "\\x{:02x}", e))
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |     inner: &'a Fn() -> I,
[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] 96 -     inner: &'a Fn() -> I,
[INFO] [stdout] 96 +     inner: &'a dyn Fn() -> I,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:110:35
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn new(sep: D, inner: &'a Fn() -> I) -> Self {
[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] 110 -     pub fn new(sep: D, inner: &'a Fn() -> I) -> Self {
[INFO] [stdout] 110 +     pub fn new(sep: D, inner: &'a dyn Fn() -> I) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "e38d844a99a3f925579f8521ec4c81baeba5377b7b1ef67a4e4e24ea423f9334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e38d844a99a3f925579f8521ec4c81baeba5377b7b1ef67a4e4e24ea423f9334", kill_on_drop: false }`
[INFO] [stdout] e38d844a99a3f925579f8521ec4c81baeba5377b7b1ef67a4e4e24ea423f9334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49b7a71b69c4801ff3b4d5f0b5d5583f1c50ed3735c04c161e00681d2c6d12ea
[INFO] running `Command { std: "docker" "start" "-a" "49b7a71b69c4801ff3b4d5f0b5d5583f1c50ed3735c04c161e00681d2c6d12ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling fmt-extra v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         try!(write!(f, "'{}", fst));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             try!(write!(f, "'\\''{}", elem));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             try!(write!(f, "{}{}", i, self.sep));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             try!(write!(fmt, "{:02x}", e));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(write!(fmt, "\""));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         try!(write!(fmt, "\""));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:166:25
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 b'"' => try!(write!(fmt, "\\\"")),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:167:32
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 0x20...0x7E => try!(write!(fmt, "{}", *e as char)),
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 0x20...0x7E => try!(write!(fmt, "{}", *e as char)),
[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: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:168:22
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 _ => try!(write!(fmt, "\\x{:02x}", e))
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |     inner: &'a Fn() -> I,
[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] 96 -     inner: &'a Fn() -> I,
[INFO] [stdout] 96 +     inner: &'a dyn Fn() -> I,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:110:35
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn new(sep: D, inner: &'a Fn() -> I) -> Self {
[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] 110 -     pub fn new(sep: D, inner: &'a Fn() -> I) -> Self {
[INFO] [stdout] 110 +     pub fn new(sep: D, inner: &'a dyn Fn() -> I) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         try!(write!(f, "'{}", fst));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             try!(write!(f, "'\\''{}", elem));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             try!(write!(f, "{}{}", i, self.sep));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             try!(write!(fmt, "{:02x}", e));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(write!(fmt, "\""));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         try!(write!(fmt, "\""));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:166:25
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 b'"' => try!(write!(fmt, "\\\"")),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:167:32
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 0x20...0x7E => try!(write!(fmt, "{}", *e as char)),
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 0x20...0x7E => try!(write!(fmt, "{}", *e as char)),
[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: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:168:22
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 _ => try!(write!(fmt, "\\x{:02x}", e))
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |     inner: &'a Fn() -> I,
[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] 96 -     inner: &'a Fn() -> I,
[INFO] [stdout] 96 +     inner: &'a dyn Fn() -> I,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:110:35
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn new(sep: D, inner: &'a Fn() -> I) -> Self {
[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] 110 -     pub fn new(sep: D, inner: &'a Fn() -> I) -> Self {
[INFO] [stdout] 110 +     pub fn new(sep: D, inner: &'a dyn Fn() -> I) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/fmt_extra-c1ae66c5bcfeb1b4)
[INFO] running `Command { std: "docker" "inspect" "49b7a71b69c4801ff3b4d5f0b5d5583f1c50ed3735c04c161e00681d2c6d12ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b7a71b69c4801ff3b4d5f0b5d5583f1c50ed3735c04c161e00681d2c6d12ea", kill_on_drop: false }`
[INFO] [stdout] 49b7a71b69c4801ff3b4d5f0b5d5583f1c50ed3735c04c161e00681d2c6d12ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc4550fbc5cb8f5b6d5defef396e25bf0ea702938d8414a87f95b93d84c25648
[INFO] running `Command { std: "docker" "start" "-a" "dc4550fbc5cb8f5b6d5defef396e25bf0ea702938d8414a87f95b93d84c25648", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         try!(write!(f, "'{}", fst));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             try!(write!(f, "'\\''{}", elem));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             try!(write!(f, "{}{}", i, self.sep));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |             try!(write!(fmt, "{:02x}", e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         try!(write!(fmt, "\""));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         try!(write!(fmt, "\""));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:166:25
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 b'"' => try!(write!(fmt, "\\\"")),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:167:32
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 0x20...0x7E => try!(write!(fmt, "{}", *e as char)),
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 0x20...0x7E => try!(write!(fmt, "{}", *e as char)),
[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: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:168:22
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 _ => try!(write!(fmt, "\\x{:02x}", e))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:16
[INFO] [stderr]    |
[INFO] [stderr] 96 |     inner: &'a Fn() -> I,
[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] 96 -     inner: &'a Fn() -> I,
[INFO] [stderr] 96 +     inner: &'a dyn Fn() -> I,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:110:35
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn new(sep: D, inner: &'a Fn() -> I) -> Self {
[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] 110 -     pub fn new(sep: D, inner: &'a Fn() -> I) -> Self {
[INFO] [stderr] 110 +     pub fn new(sep: D, inner: &'a dyn Fn() -> I) -> Self {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `fmt-extra` (lib) generated 12 warnings
[INFO] [stderr] warning: `fmt-extra` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fmt_extra-c1ae66c5bcfeb1b4)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_asciistr ... ok
[INFO] [stdout] test test_hs ... ok
[INFO] [stdout] test test_sep ... ok
[INFO] [stderr]    Doc-tests fmt-extra
[INFO] [stdout] test test_sqs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 0x20...0x7E => try!(write!(fmt, "{}", *e as char)),
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc4550fbc5cb8f5b6d5defef396e25bf0ea702938d8414a87f95b93d84c25648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4550fbc5cb8f5b6d5defef396e25bf0ea702938d8414a87f95b93d84c25648", kill_on_drop: false }`
[INFO] [stdout] dc4550fbc5cb8f5b6d5defef396e25bf0ea702938d8414a87f95b93d84c25648