[INFO] fetching crate tempo 0.1.0...
[INFO] testing tempo-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate tempo 0.1.0 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate tempo 0.1.0 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 tempo 0.1.0
[INFO] finished tweaking crates.io crate tempo 0.1.0
[INFO] tweaked toml for crates.io crate tempo 0.1.0 written to /workspace/builds/worker-110/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-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] a2e651b1bc64b119e2f94d891feb38e32c2fd0a6b2b37a68e23d5616566372bc
[INFO] running `Command { std: "docker" "start" "-a" "a2e651b1bc64b119e2f94d891feb38e32c2fd0a6b2b37a68e23d5616566372bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2e651b1bc64b119e2f94d891feb38e32c2fd0a6b2b37a68e23d5616566372bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e651b1bc64b119e2f94d891feb38e32c2fd0a6b2b37a68e23d5616566372bc", kill_on_drop: false }`
[INFO] [stdout] a2e651b1bc64b119e2f94d891feb38e32c2fd0a6b2b37a68e23d5616566372bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 4d40f97de9b8d3f95688d47eafcf1282013cce9765d351a65d7b4f2fa22b0945
[INFO] running `Command { std: "docker" "start" "-a" "4d40f97de9b8d3f95688d47eafcf1282013cce9765d351a65d7b4f2fa22b0945", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling tempo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     types {
[INFO] [stdout] 3 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 4 | |     }
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     }
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/trans.rs:31:41
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn emit_main_function_start(write: &mut Write) -> Result<(), io::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] 31 - fn emit_main_function_start(write: &mut Write) -> Result<(), io::Error> {
[INFO] [stdout] 31 + fn emit_main_function_start(write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/trans.rs:36:39
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn emit_main_function_end(write: &mut Write) -> Result<(), io::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] 36 - fn emit_main_function_end(write: &mut Write) -> Result<(), io::Error> {
[INFO] [stdout] 36 + fn emit_main_function_end(write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/trans.rs:40:38
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn emit_code(code: &str, write: &mut Write) -> Result<(), io::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] 40 - fn emit_code(code: &str, write: &mut Write) -> Result<(), io::Error> {
[INFO] [stdout] 40 + fn emit_code(code: &str, write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/trans.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn emit_text(text: &str, write: &mut Write) -> Result<(), io::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] 44 - fn emit_text(text: &str, write: &mut Write) -> Result<(), io::Error> {
[INFO] [stdout] 44 + fn emit_text(text: &str, write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     types {
[INFO] [stdout] 3 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 4 | |     }
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     }
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.30s
[INFO] running `Command { std: "docker" "inspect" "4d40f97de9b8d3f95688d47eafcf1282013cce9765d351a65d7b4f2fa22b0945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d40f97de9b8d3f95688d47eafcf1282013cce9765d351a65d7b4f2fa22b0945", kill_on_drop: false }`
[INFO] [stdout] 4d40f97de9b8d3f95688d47eafcf1282013cce9765d351a65d7b4f2fa22b0945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 6d9f5130e5f869b2d2aec6c55f633a0b2d426fda5bad6e50a0d873d8e62b6201
[INFO] running `Command { std: "docker" "start" "-a" "6d9f5130e5f869b2d2aec6c55f633a0b2d426fda5bad6e50a0d873d8e62b6201", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     types {
[INFO] [stdout] 3 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 4 | |     }
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     }
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/trans.rs:31:41
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn emit_main_function_start(write: &mut Write) -> Result<(), io::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] 31 - fn emit_main_function_start(write: &mut Write) -> Result<(), io::Error> {
[INFO] [stdout] 31 + fn emit_main_function_start(write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/trans.rs:36:39
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn emit_main_function_end(write: &mut Write) -> Result<(), io::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] 36 - fn emit_main_function_end(write: &mut Write) -> Result<(), io::Error> {
[INFO] [stdout] 36 + fn emit_main_function_end(write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/trans.rs:40:38
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn emit_code(code: &str, write: &mut Write) -> Result<(), io::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] 40 - fn emit_code(code: &str, write: &mut Write) -> Result<(), io::Error> {
[INFO] [stdout] 40 + fn emit_code(code: &str, write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/trans.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn emit_text(text: &str, write: &mut Write) -> Result<(), io::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] 44 - fn emit_text(text: &str, write: &mut Write) -> Result<(), io::Error> {
[INFO] [stdout] 44 + fn emit_text(text: &str, write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     types {
[INFO] [stdout] 3 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 4 | |     }
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     }
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 6 warnings emitted
[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/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     types {
[INFO] [stdout] 3 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 4 | |     }
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     }
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/trans.rs:31:41
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn emit_main_function_start(write: &mut Write) -> Result<(), io::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] 31 - fn emit_main_function_start(write: &mut Write) -> Result<(), io::Error> {
[INFO] [stdout] 31 + fn emit_main_function_start(write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/trans.rs:36:39
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn emit_main_function_end(write: &mut Write) -> Result<(), io::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] 36 - fn emit_main_function_end(write: &mut Write) -> Result<(), io::Error> {
[INFO] [stdout] 36 + fn emit_main_function_end(write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/trans.rs:40:38
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn emit_code(code: &str, write: &mut Write) -> Result<(), io::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] 40 - fn emit_code(code: &str, write: &mut Write) -> Result<(), io::Error> {
[INFO] [stdout] 40 + fn emit_code(code: &str, write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/trans.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn emit_text(text: &str, write: &mut Write) -> Result<(), io::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] 44 - fn emit_text(text: &str, write: &mut Write) -> Result<(), io::Error> {
[INFO] [stdout] 44 + fn emit_text(text: &str, write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     types {
[INFO] [stdout] 3 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 4 | |     }
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     }
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/tempo-94fafb4c6b0850e8)
[INFO] [stderr]   Executable unittests tools/tempo.rs (/opt/rustwide/target/debug/deps/tempo-cc396f277f62f17e)
[INFO] running `Command { std: "docker" "inspect" "6d9f5130e5f869b2d2aec6c55f633a0b2d426fda5bad6e50a0d873d8e62b6201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9f5130e5f869b2d2aec6c55f633a0b2d426fda5bad6e50a0d873d8e62b6201", kill_on_drop: false }`
[INFO] [stdout] 6d9f5130e5f869b2d2aec6c55f633a0b2d426fda5bad6e50a0d873d8e62b6201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 869645bf49bbe7627e54c58f1567e9d25d9315895a2c9040bb2ff4a3a64393b5
[INFO] running `Command { std: "docker" "start" "-a" "869645bf49bbe7627e54c58f1567e9d25d9315895a2c9040bb2ff4a3a64393b5", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain! {
[INFO] [stderr] 2 | |     types {
[INFO] [stderr] 3 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 4 | |     }
[INFO] [stderr] ... |
[INFO] [stderr] 8 | |     }
[INFO] [stderr] 9 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/trans.rs:31:41
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn emit_main_function_start(write: &mut Write) -> Result<(), io::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] 31 - fn emit_main_function_start(write: &mut Write) -> Result<(), io::Error> {
[INFO] [stderr] 31 + fn emit_main_function_start(write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/trans.rs:36:39
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn emit_main_function_end(write: &mut Write) -> Result<(), io::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] 36 - fn emit_main_function_end(write: &mut Write) -> Result<(), io::Error> {
[INFO] [stderr] 36 + fn emit_main_function_end(write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/trans.rs:40:38
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn emit_code(code: &str, write: &mut Write) -> Result<(), io::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] 40 - fn emit_code(code: &str, write: &mut Write) -> Result<(), io::Error> {
[INFO] [stderr] 40 + fn emit_code(code: &str, write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/trans.rs:44:38
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn emit_text(text: &str, write: &mut Write) -> Result<(), io::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] 44 - fn emit_text(text: &str, write: &mut Write) -> Result<(), io::Error> {
[INFO] [stderr] 44 + fn emit_text(text: &str, write: &mut dyn Write) -> Result<(), io::Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain! {
[INFO] [stderr] 2 | |     types {
[INFO] [stderr] 3 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 4 | |     }
[INFO] [stderr] ... |
[INFO] [stderr] 8 | |     }
[INFO] [stderr] 9 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `tempo` (lib) generated 6 warnings
[INFO] [stderr] warning: `tempo` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tempo-94fafb4c6b0850e8)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test parse::test::parses_standalone_text ... ok
[INFO] [stdout] test parse::test::parses_standalone_new_lines ... ok
[INFO] [stdout] test parse::test::parses_standalone_code ... ok
[INFO] [stdout] test parse::test::parses_empty_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests tools/tempo.rs (/opt/rustwide/target/debug/deps/tempo-cc396f277f62f17e)
[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] [stderr]    Doc-tests tempo
[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" "869645bf49bbe7627e54c58f1567e9d25d9315895a2c9040bb2ff4a3a64393b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869645bf49bbe7627e54c58f1567e9d25d9315895a2c9040bb2ff4a3a64393b5", kill_on_drop: false }`
[INFO] [stdout] 869645bf49bbe7627e54c58f1567e9d25d9315895a2c9040bb2ff4a3a64393b5