[INFO] fetching crate graph_reduce 0.1.1...
[INFO] testing graph_reduce-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate graph_reduce 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate graph_reduce 0.1.1 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 graph_reduce 0.1.1
[INFO] finished tweaking crates.io crate graph_reduce 0.1.1
[INFO] tweaked toml for crates.io crate graph_reduce 0.1.1 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c6c519e8d2721f4762b5614e3c66c21e7ec5292492c27e75acba2efd5aa78929
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c6c519e8d2721f4762b5614e3c66c21e7ec5292492c27e75acba2efd5aa78929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6c519e8d2721f4762b5614e3c66c21e7ec5292492c27e75acba2efd5aa78929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c519e8d2721f4762b5614e3c66c21e7ec5292492c27e75acba2efd5aa78929", kill_on_drop: false }`
[INFO] [stdout] c6c519e8d2721f4762b5614e3c66c21e7ec5292492c27e75acba2efd5aa78929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08f5678bf9e6cf2f31ef2f22edc3eb91271a7d8b262fb96e9c9dceee3e7dda5a
[INFO] running `Command { std: "docker" "start" "-a" "08f5678bf9e6cf2f31ef2f22edc3eb91271a7d8b262fb96e9c9dceee3e7dda5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph_reduce v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "08f5678bf9e6cf2f31ef2f22edc3eb91271a7d8b262fb96e9c9dceee3e7dda5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f5678bf9e6cf2f31ef2f22edc3eb91271a7d8b262fb96e9c9dceee3e7dda5a", kill_on_drop: false }`
[INFO] [stdout] 08f5678bf9e6cf2f31ef2f22edc3eb91271a7d8b262fb96e9c9dceee3e7dda5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a7135a54bb7e092b4f04bb9d21756e5b47cd3d199b1e335439dd1e7d933f0428
[INFO] running `Command { std: "docker" "start" "-a" "a7135a54bb7e092b4f04bb9d21756e5b47cd3d199b1e335439dd1e7d933f0428", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph_reduce v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "a7135a54bb7e092b4f04bb9d21756e5b47cd3d199b1e335439dd1e7d933f0428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7135a54bb7e092b4f04bb9d21756e5b47cd3d199b1e335439dd1e7d933f0428", kill_on_drop: false }`
[INFO] [stdout] a7135a54bb7e092b4f04bb9d21756e5b47cd3d199b1e335439dd1e7d933f0428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] db28d6c8f6626d1ba228620f39d99161eaf74f00cddcc06bc9e259c2f30aa391
[INFO] running `Command { std: "docker" "start" "-a" "db28d6c8f6626d1ba228620f39d99161eaf74f00cddcc06bc9e259c2f30aa391", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graph_reduce-3afb8b41c3bdcc25)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graph_reduce
[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" "db28d6c8f6626d1ba228620f39d99161eaf74f00cddcc06bc9e259c2f30aa391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db28d6c8f6626d1ba228620f39d99161eaf74f00cddcc06bc9e259c2f30aa391", kill_on_drop: false }`
[INFO] [stdout] db28d6c8f6626d1ba228620f39d99161eaf74f00cddcc06bc9e259c2f30aa391