[INFO] cloning repository https://github.com/TangiFavennec/RustSample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TangiFavennec/RustSample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangiFavennec%2FRustSample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangiFavennec%2FRustSample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12d943da08066c066f03974ce392d63cec5be4af
[INFO] testing TangiFavennec/RustSample against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangiFavennec%2FRustSample" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TangiFavennec/RustSample 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 git repo https://github.com/TangiFavennec/RustSample
[INFO] finished tweaking git repo https://github.com/TangiFavennec/RustSample
[INFO] tweaked toml for git repo https://github.com/TangiFavennec/RustSample written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/TangiFavennec/RustSample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7082090e158ff10276f91affab974f5e1cf274bce434bd3012adc8c5d7c74e46
[INFO] running `Command { std: "docker" "start" "-a" "7082090e158ff10276f91affab974f5e1cf274bce434bd3012adc8c5d7c74e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7082090e158ff10276f91affab974f5e1cf274bce434bd3012adc8c5d7c74e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7082090e158ff10276f91affab974f5e1cf274bce434bd3012adc8c5d7c74e46", kill_on_drop: false }`
[INFO] [stdout] 7082090e158ff10276f91affab974f5e1cf274bce434bd3012adc8c5d7c74e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f10135f0870d1167234886ed67afd851831d427c1af57346285a4ebb4ebecf8e
[INFO] running `Command { std: "docker" "start" "-a" "f10135f0870d1167234886ed67afd851831d427c1af57346285a4ebb4ebecf8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling serde v1.0.16
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]    Compiling rmp v0.8.7
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling serde_derive v1.0.16
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling serde_json v1.0.4
[INFO] [stderr]    Compiling rust_sample 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/main.rs:381:61
[INFO] [stdout]     |
[INFO] [stdout] 381 | ...                   .map_err(|e| String::from(e.description()))
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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/main.rs:397:61
[INFO] [stdout]     |
[INFO] [stdout] 397 | ...                   .map_err(|e| String::from(e.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]    --> src/main.rs:413:61
[INFO] [stdout]     |
[INFO] [stdout] 413 | ...                   .map_err(|e| String::from(e.description()))
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.78s
[INFO] running `Command { std: "docker" "inspect" "f10135f0870d1167234886ed67afd851831d427c1af57346285a4ebb4ebecf8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10135f0870d1167234886ed67afd851831d427c1af57346285a4ebb4ebecf8e", kill_on_drop: false }`
[INFO] [stdout] f10135f0870d1167234886ed67afd851831d427c1af57346285a4ebb4ebecf8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ae50c280faed4e2725d8fd339fa975b35b111c37842a13b15584c475c9858239
[INFO] running `Command { std: "docker" "start" "-a" "ae50c280faed4e2725d8fd339fa975b35b111c37842a13b15584c475c9858239", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_sample 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/main.rs:381:61
[INFO] [stdout]     |
[INFO] [stdout] 381 | ...                   .map_err(|e| String::from(e.description()))
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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/main.rs:397:61
[INFO] [stdout]     |
[INFO] [stdout] 397 | ...                   .map_err(|e| String::from(e.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]    --> src/main.rs:413:61
[INFO] [stdout]     |
[INFO] [stdout] 413 | ...                   .map_err(|e| String::from(e.description()))
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "ae50c280faed4e2725d8fd339fa975b35b111c37842a13b15584c475c9858239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae50c280faed4e2725d8fd339fa975b35b111c37842a13b15584c475c9858239", kill_on_drop: false }`
[INFO] [stdout] ae50c280faed4e2725d8fd339fa975b35b111c37842a13b15584c475c9858239
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e86c59886944b8e8a8c61b309064aa19f7aeee17d737370f1d236535e1002a55
[INFO] running `Command { std: "docker" "start" "-a" "e86c59886944b8e8a8c61b309064aa19f7aeee17d737370f1d236535e1002a55", 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/main.rs:381:61
[INFO] [stderr]     |
[INFO] [stderr] 381 | ...                   .map_err(|e| String::from(e.description()))
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:397:61
[INFO] [stderr]     |
[INFO] [stderr] 397 | ...                   .map_err(|e| String::from(e.description()))
[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/main.rs:413:61
[INFO] [stderr]     |
[INFO] [stderr] 413 | ...                   .map_err(|e| String::from(e.description()))
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_sample` (bin "rust_sample" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_sample-6c6f3368316d2aa2)
[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" "e86c59886944b8e8a8c61b309064aa19f7aeee17d737370f1d236535e1002a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e86c59886944b8e8a8c61b309064aa19f7aeee17d737370f1d236535e1002a55", kill_on_drop: false }`
[INFO] [stdout] e86c59886944b8e8a8c61b309064aa19f7aeee17d737370f1d236535e1002a55