[INFO] fetching crate tabby 0.0.5...
[INFO] testing tabby-0.0.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tabby 0.0.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tabby 0.0.5 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 tabby 0.0.5
[INFO] finished tweaking crates.io crate tabby 0.0.5
[INFO] tweaked toml for crates.io crate tabby 0.0.5 written to /workspace/builds/worker-2/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded home v0.5.3
[INFO] [stderr]   Downloaded mini-internal v0.1.15
[INFO] [stderr]   Downloaded miniserde v0.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0befef496450932accc178b3332afaeacdecd47823a5cd8896edb7e7bc81a206
[INFO] running `Command { std: "docker" "start" "-a" "0befef496450932accc178b3332afaeacdecd47823a5cd8896edb7e7bc81a206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0befef496450932accc178b3332afaeacdecd47823a5cd8896edb7e7bc81a206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0befef496450932accc178b3332afaeacdecd47823a5cd8896edb7e7bc81a206", kill_on_drop: false }`
[INFO] [stdout] 0befef496450932accc178b3332afaeacdecd47823a5cd8896edb7e7bc81a206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] cd49b48f00f7e535b73b8e7a67cfe50c1247e8eebb76490398349fff020c5c44
[INFO] running `Command { std: "docker" "start" "-a" "cd49b48f00f7e535b73b8e7a67cfe50c1247e8eebb76490398349fff020c5c44", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling mini-internal v0.1.15
[INFO] [stderr]    Compiling miniserde v0.1.15
[INFO] [stderr]    Compiling tabby v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "cd49b48f00f7e535b73b8e7a67cfe50c1247e8eebb76490398349fff020c5c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd49b48f00f7e535b73b8e7a67cfe50c1247e8eebb76490398349fff020c5c44", kill_on_drop: false }`
[INFO] [stdout] cd49b48f00f7e535b73b8e7a67cfe50c1247e8eebb76490398349fff020c5c44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a0e2bdb983a499f5fc7dc1b909673ace93f508aa5321dff2421271fad1f577a4
[INFO] running `Command { std: "docker" "start" "-a" "a0e2bdb983a499f5fc7dc1b909673ace93f508aa5321dff2421271fad1f577a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling tabby v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "a0e2bdb983a499f5fc7dc1b909673ace93f508aa5321dff2421271fad1f577a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e2bdb983a499f5fc7dc1b909673ace93f508aa5321dff2421271fad1f577a4", kill_on_drop: false }`
[INFO] [stdout] a0e2bdb983a499f5fc7dc1b909673ace93f508aa5321dff2421271fad1f577a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d9701f897a6ed65bc6cd068b26c1254fd2777361e595e1d21e794949710ba726
[INFO] running `Command { std: "docker" "start" "-a" "d9701f897a6ed65bc6cd068b26c1254fd2777361e595e1d21e794949710ba726", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tabby-9b0f6d287dc119b9)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tabby
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "d9701f897a6ed65bc6cd068b26c1254fd2777361e595e1d21e794949710ba726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9701f897a6ed65bc6cd068b26c1254fd2777361e595e1d21e794949710ba726", kill_on_drop: false }`
[INFO] [stdout] d9701f897a6ed65bc6cd068b26c1254fd2777361e595e1d21e794949710ba726