[INFO] fetching crate graphstack 0.1.2...
[INFO] testing graphstack-0.1.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate graphstack 0.1.2 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate graphstack 0.1.2 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 graphstack 0.1.2
[INFO] finished tweaking crates.io crate graphstack 0.1.2
[INFO] tweaked toml for crates.io crate graphstack 0.1.2 written to /workspace/builds/worker-67/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] 66b40c9d625075b0e142d6005eaa0d916fb9cb3c35bee9c00a311083388a8e5d
[INFO] running `Command { std: "docker" "start" "-a" "66b40c9d625075b0e142d6005eaa0d916fb9cb3c35bee9c00a311083388a8e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66b40c9d625075b0e142d6005eaa0d916fb9cb3c35bee9c00a311083388a8e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b40c9d625075b0e142d6005eaa0d916fb9cb3c35bee9c00a311083388a8e5d", kill_on_drop: false }`
[INFO] [stdout] 66b40c9d625075b0e142d6005eaa0d916fb9cb3c35bee9c00a311083388a8e5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] 0be002ac2fc04df9ce76d39ee0b16ad84fa971f8d393c3b4f5b8abaab291fc09
[INFO] running `Command { std: "docker" "start" "-a" "0be002ac2fc04df9ce76d39ee0b16ad84fa971f8d393c3b4f5b8abaab291fc09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling graphstack v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "0be002ac2fc04df9ce76d39ee0b16ad84fa971f8d393c3b4f5b8abaab291fc09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be002ac2fc04df9ce76d39ee0b16ad84fa971f8d393c3b4f5b8abaab291fc09", kill_on_drop: false }`
[INFO] [stdout] 0be002ac2fc04df9ce76d39ee0b16ad84fa971f8d393c3b4f5b8abaab291fc09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] 9da8b9608261c9ce23bdba7504daa69e6f9bef9f64d6911aeec28ce84d885e06
[INFO] running `Command { std: "docker" "start" "-a" "9da8b9608261c9ce23bdba7504daa69e6f9bef9f64d6911aeec28ce84d885e06", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling graphstack v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "9da8b9608261c9ce23bdba7504daa69e6f9bef9f64d6911aeec28ce84d885e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da8b9608261c9ce23bdba7504daa69e6f9bef9f64d6911aeec28ce84d885e06", kill_on_drop: false }`
[INFO] [stdout] 9da8b9608261c9ce23bdba7504daa69e6f9bef9f64d6911aeec28ce84d885e06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] 0f6466ee3dd8d398117b7fc69f0656af4c1d6e30ddbb47deca4098cfb5b41bce
[INFO] running `Command { std: "docker" "start" "-a" "0f6466ee3dd8d398117b7fc69f0656af4c1d6e30ddbb47deca4098cfb5b41bce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graphstack-a94f20b9a47c01b4)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::disjoint_stacks ... ok
[INFO] [stdout] test tests::check_iterator ... ok
[INFO] [stdout] test tests::x_stack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graphstack
[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" "0f6466ee3dd8d398117b7fc69f0656af4c1d6e30ddbb47deca4098cfb5b41bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6466ee3dd8d398117b7fc69f0656af4c1d6e30ddbb47deca4098cfb5b41bce", kill_on_drop: false }`
[INFO] [stdout] 0f6466ee3dd8d398117b7fc69f0656af4c1d6e30ddbb47deca4098cfb5b41bce