[INFO] fetching crate graphstack 0.1.2...
[INFO] testing graphstack-0.1.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate graphstack 0.1.2 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate graphstack 0.1.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f4f8736a8685c74ac88140b81137f4bae21680671c0683c64af3fbea7d104a9
[INFO] running `Command { std: "docker" "start" "-a" "1f4f8736a8685c74ac88140b81137f4bae21680671c0683c64af3fbea7d104a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f4f8736a8685c74ac88140b81137f4bae21680671c0683c64af3fbea7d104a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4f8736a8685c74ac88140b81137f4bae21680671c0683c64af3fbea7d104a9", kill_on_drop: false }`
[INFO] [stdout] 1f4f8736a8685c74ac88140b81137f4bae21680671c0683c64af3fbea7d104a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bf58152a1f3c1e17983642cbd23c32ecfc8c81038f275825afa24adbce7f9ef
[INFO] running `Command { std: "docker" "start" "-a" "3bf58152a1f3c1e17983642cbd23c32ecfc8c81038f275825afa24adbce7f9ef", 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 1.04s
[INFO] running `Command { std: "docker" "inspect" "3bf58152a1f3c1e17983642cbd23c32ecfc8c81038f275825afa24adbce7f9ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf58152a1f3c1e17983642cbd23c32ecfc8c81038f275825afa24adbce7f9ef", kill_on_drop: false }`
[INFO] [stdout] 3bf58152a1f3c1e17983642cbd23c32ecfc8c81038f275825afa24adbce7f9ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a46137510667c82e608b38c9c9866579577b29fa6e1f80bb67b4dd9fc0d09789
[INFO] running `Command { std: "docker" "start" "-a" "a46137510667c82e608b38c9c9866579577b29fa6e1f80bb67b4dd9fc0d09789", 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 1.29s
[INFO] running `Command { std: "docker" "inspect" "a46137510667c82e608b38c9c9866579577b29fa6e1f80bb67b4dd9fc0d09789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46137510667c82e608b38c9c9866579577b29fa6e1f80bb67b4dd9fc0d09789", kill_on_drop: false }`
[INFO] [stdout] a46137510667c82e608b38c9c9866579577b29fa6e1f80bb67b4dd9fc0d09789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2463a68cf2d7e5966e334938bd2ea39c517905bc72eb4d7ca8e2fecbe584d906
[INFO] running `Command { std: "docker" "start" "-a" "2463a68cf2d7e5966e334938bd2ea39c517905bc72eb4d7ca8e2fecbe584d906", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graphstack-671cbbec3fcd9a09)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::check_iterator ... ok
[INFO] [stdout] test tests::disjoint_stacks ... 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" "2463a68cf2d7e5966e334938bd2ea39c517905bc72eb4d7ca8e2fecbe584d906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2463a68cf2d7e5966e334938bd2ea39c517905bc72eb4d7ca8e2fecbe584d906", kill_on_drop: false }`
[INFO] [stdout] 2463a68cf2d7e5966e334938bd2ea39c517905bc72eb4d7ca8e2fecbe584d906