[INFO] fetching crate trim-margin 0.1.0...
[INFO] testing trim-margin-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate trim-margin 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate trim-margin 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trim-margin 0.1.0
[INFO] finished tweaking crates.io crate trim-margin 0.1.0
[INFO] tweaked toml for crates.io crate trim-margin 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded galvanic-assert v0.8.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25f1781eda9e5a565bb0b60fa94006f92a57d5b687adfb1e0af1854d50426de0
[INFO] running `Command { std: "docker" "start" "-a" "25f1781eda9e5a565bb0b60fa94006f92a57d5b687adfb1e0af1854d50426de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25f1781eda9e5a565bb0b60fa94006f92a57d5b687adfb1e0af1854d50426de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f1781eda9e5a565bb0b60fa94006f92a57d5b687adfb1e0af1854d50426de0", kill_on_drop: false }`
[INFO] [stdout] 25f1781eda9e5a565bb0b60fa94006f92a57d5b687adfb1e0af1854d50426de0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13ee53e2e2fff34a96d1e6a86d47a6391af89fb8547e4496f66e401a9fdbc8b6
[INFO] running `Command { std: "docker" "start" "-a" "13ee53e2e2fff34a96d1e6a86d47a6391af89fb8547e4496f66e401a9fdbc8b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling trim-margin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]   --> src/lib.rs:86:71
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let lines: Vec<_> = self.as_ref().split('\n').map(|line| line.trim_left()).collect();
[INFO] [stdout]    |                                                                       ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13ee53e2e2fff34a96d1e6a86d47a6391af89fb8547e4496f66e401a9fdbc8b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ee53e2e2fff34a96d1e6a86d47a6391af89fb8547e4496f66e401a9fdbc8b6", kill_on_drop: false }`
[INFO] [stdout] 13ee53e2e2fff34a96d1e6a86d47a6391af89fb8547e4496f66e401a9fdbc8b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9e1a689661386738add04bd9d3fc05581229c87d16b4b856568341753aa0d15
[INFO] running `Command { std: "docker" "start" "-a" "f9e1a689661386738add04bd9d3fc05581229c87d16b4b856568341753aa0d15", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]   --> src/lib.rs:86:71
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let lines: Vec<_> = self.as_ref().split('\n').map(|line| line.trim_left()).collect();
[INFO] [stdout]    |                                                                       ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling galvanic-assert v0.8.7
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling trim-margin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]   --> src/lib.rs:86:71
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let lines: Vec<_> = self.as_ref().split('\n').map(|line| line.trim_left()).collect();
[INFO] [stdout]    |                                                                       ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "f9e1a689661386738add04bd9d3fc05581229c87d16b4b856568341753aa0d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e1a689661386738add04bd9d3fc05581229c87d16b4b856568341753aa0d15", kill_on_drop: false }`
[INFO] [stdout] f9e1a689661386738add04bd9d3fc05581229c87d16b4b856568341753aa0d15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9f4096c84ced5893ba53e0ddcb124bc818947ea5fd329f8f7c23ae25f8f0c88
[INFO] running `Command { std: "docker" "start" "-a" "f9f4096c84ced5893ba53e0ddcb124bc818947ea5fd329f8f7c23ae25f8f0c88", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stderr]   --> src/lib.rs:86:71
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let lines: Vec<_> = self.as_ref().split('\n').map(|line| line.trim_left()).collect();
[INFO] [stderr]    |                                                                       ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `trim-margin` (lib) generated 1 warning
[INFO] [stderr] warning: `trim-margin` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trim_margin-c6ca02914473fb5b)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::should_allow_arbitrary_margin_character ... ok
[INFO] [stdout] test tests::should_not_modify_empty_string ... ok
[INFO] [stdout] test tests::should_not_modify_single_line_string ... ok
[INFO] [stdout] test tests::should_trim_margin_of_multiline_string ... ok
[INFO] [stdout] test tests::should_remove_first_and_last_line_if_blank ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trim-margin
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9f4096c84ced5893ba53e0ddcb124bc818947ea5fd329f8f7c23ae25f8f0c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f4096c84ced5893ba53e0ddcb124bc818947ea5fd329f8f7c23ae25f8f0c88", kill_on_drop: false }`
[INFO] [stdout] f9f4096c84ced5893ba53e0ddcb124bc818947ea5fd329f8f7c23ae25f8f0c88