[INFO] fetching crate concat-in-place 1.0.0...
[INFO] testing concat-in-place-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate concat-in-place 1.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate concat-in-place 1.0.0 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 concat-in-place 1.0.0
[INFO] finished tweaking crates.io crate concat-in-place 1.0.0
[INFO] tweaked toml for crates.io crate concat-in-place 1.0.0 written to /workspace/builds/worker-8/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 698d400aab6fbbfe793ad0d0d049fa3377988a78f740c4a1fa156c4f518d0479
[INFO] running `Command { std: "docker" "start" "-a" "698d400aab6fbbfe793ad0d0d049fa3377988a78f740c4a1fa156c4f518d0479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "698d400aab6fbbfe793ad0d0d049fa3377988a78f740c4a1fa156c4f518d0479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698d400aab6fbbfe793ad0d0d049fa3377988a78f740c4a1fa156c4f518d0479", kill_on_drop: false }`
[INFO] [stdout] 698d400aab6fbbfe793ad0d0d049fa3377988a78f740c4a1fa156c4f518d0479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 625a3bc81b2d2d8c5e3ad01f3d929b4e57152e73550d5e06bd8f67d933b7205a
[INFO] running `Command { std: "docker" "start" "-a" "625a3bc81b2d2d8c5e3ad01f3d929b4e57152e73550d5e06bd8f67d933b7205a", kill_on_drop: false }`
[INFO] [stderr]    Compiling concat-in-place v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "625a3bc81b2d2d8c5e3ad01f3d929b4e57152e73550d5e06bd8f67d933b7205a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "625a3bc81b2d2d8c5e3ad01f3d929b4e57152e73550d5e06bd8f67d933b7205a", kill_on_drop: false }`
[INFO] [stdout] 625a3bc81b2d2d8c5e3ad01f3d929b4e57152e73550d5e06bd8f67d933b7205a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b3279db9f508f3705058645a94afb5ce7fcf3836f148209dc9a787880be603a5
[INFO] running `Command { std: "docker" "start" "-a" "b3279db9f508f3705058645a94afb5ce7fcf3836f148209dc9a787880be603a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling concat-in-place v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "b3279db9f508f3705058645a94afb5ce7fcf3836f148209dc9a787880be603a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3279db9f508f3705058645a94afb5ce7fcf3836f148209dc9a787880be603a5", kill_on_drop: false }`
[INFO] [stdout] b3279db9f508f3705058645a94afb5ce7fcf3836f148209dc9a787880be603a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 80ec81e49ba76c45bb9980d8fc659f38779bd41e59fae80cc30c2c8c0609056d
[INFO] running `Command { std: "docker" "start" "-a" "80ec81e49ba76c45bb9980d8fc659f38779bd41e59fae80cc30c2c8c0609056d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concat_in_place-a23d9e8dc00d0295)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::strings ... ok
[INFO] [stderr]    Doc-tests concat-in-place
[INFO] [stdout] test tests::bytes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - veccat (line 58) ... ok
[INFO] [stdout] test src/lib.rs - strcat (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80ec81e49ba76c45bb9980d8fc659f38779bd41e59fae80cc30c2c8c0609056d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ec81e49ba76c45bb9980d8fc659f38779bd41e59fae80cc30c2c8c0609056d", kill_on_drop: false }`
[INFO] [stdout] 80ec81e49ba76c45bb9980d8fc659f38779bd41e59fae80cc30c2c8c0609056d