[INFO] fetching crate nb 0.1.3...
[INFO] testing nb-0.1.3 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate nb 0.1.3 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate nb 0.1.3 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nb 0.1.3
[INFO] finished tweaking crates.io crate nb 0.1.3
[INFO] tweaked toml for crates.io crate nb 0.1.3 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c35d551841be96b87bdc520a30a6edbea84a776250d7d675510e6a64a42666dc
[INFO] running `Command { std: "docker" "start" "-a" "c35d551841be96b87bdc520a30a6edbea84a776250d7d675510e6a64a42666dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c35d551841be96b87bdc520a30a6edbea84a776250d7d675510e6a64a42666dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35d551841be96b87bdc520a30a6edbea84a776250d7d675510e6a64a42666dc", kill_on_drop: false }`
[INFO] [stdout] c35d551841be96b87bdc520a30a6edbea84a776250d7d675510e6a64a42666dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 968f315cfce6aa6e70be135ba06209ec6d41b6d3dcc8c692b0ca8c6ef7d42045
[INFO] running `Command { std: "docker" "start" "-a" "968f315cfce6aa6e70be135ba06209ec6d41b6d3dcc8c692b0ca8c6ef7d42045", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "968f315cfce6aa6e70be135ba06209ec6d41b6d3dcc8c692b0ca8c6ef7d42045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968f315cfce6aa6e70be135ba06209ec6d41b6d3dcc8c692b0ca8c6ef7d42045", kill_on_drop: false }`
[INFO] [stdout] 968f315cfce6aa6e70be135ba06209ec6d41b6d3dcc8c692b0ca8c6ef7d42045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a86b14adc9b107bc0925f50c9a8ef64a8c5e11b1545171fa9441a5128f259090
[INFO] running `Command { std: "docker" "start" "-a" "a86b14adc9b107bc0925f50c9a8ef64a8c5e11b1545171fa9441a5128f259090", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "a86b14adc9b107bc0925f50c9a8ef64a8c5e11b1545171fa9441a5128f259090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a86b14adc9b107bc0925f50c9a8ef64a8c5e11b1545171fa9441a5128f259090", kill_on_drop: false }`
[INFO] [stdout] a86b14adc9b107bc0925f50c9a8ef64a8c5e11b1545171fa9441a5128f259090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35032cfaae6ba4ab9c04f746065af73ea8dbb4e958fa417b31991d1c4f072f6b
[INFO] running `Command { std: "docker" "start" "-a" "35032cfaae6ba4ab9c04f746065af73ea8dbb4e958fa417b31991d1c4f072f6b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nb-aa3303ec3f903441)
[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" "35032cfaae6ba4ab9c04f746065af73ea8dbb4e958fa417b31991d1c4f072f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35032cfaae6ba4ab9c04f746065af73ea8dbb4e958fa417b31991d1c4f072f6b", kill_on_drop: false }`
[INFO] [stdout] 35032cfaae6ba4ab9c04f746065af73ea8dbb4e958fa417b31991d1c4f072f6b