[INFO] fetching crate accountable-refcell 0.2.1...
[INFO] testing accountable-refcell-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate accountable-refcell 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate accountable-refcell 0.2.1 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] removed /workspace/builds/worker-3/source/rust-toolchain
[INFO] started tweaking crates.io crate accountable-refcell 0.2.1
[INFO] finished tweaking crates.io crate accountable-refcell 0.2.1
[INFO] tweaked toml for crates.io crate accountable-refcell 0.2.1 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 733ff6c8cfda47a9b19d039bd1f0da422ef3038dbba8ea239889d289a95eeb55
[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" "733ff6c8cfda47a9b19d039bd1f0da422ef3038dbba8ea239889d289a95eeb55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "733ff6c8cfda47a9b19d039bd1f0da422ef3038dbba8ea239889d289a95eeb55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733ff6c8cfda47a9b19d039bd1f0da422ef3038dbba8ea239889d289a95eeb55", kill_on_drop: false }`
[INFO] [stdout] 733ff6c8cfda47a9b19d039bd1f0da422ef3038dbba8ea239889d289a95eeb55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 826d1d2cdcf89b4dbecd35e7f54dde4191d25aedf6712fbd85da0c62610ec634
[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" "826d1d2cdcf89b4dbecd35e7f54dde4191d25aedf6712fbd85da0c62610ec634", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling accountable-refcell v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "826d1d2cdcf89b4dbecd35e7f54dde4191d25aedf6712fbd85da0c62610ec634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826d1d2cdcf89b4dbecd35e7f54dde4191d25aedf6712fbd85da0c62610ec634", kill_on_drop: false }`
[INFO] [stdout] 826d1d2cdcf89b4dbecd35e7f54dde4191d25aedf6712fbd85da0c62610ec634
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a4e6379450faa1fed2e0f99a65da54d397f888317b53b3863f2999fa1a1d28bc
[INFO] running `Command { std: "docker" "start" "-a" "a4e6379450faa1fed2e0f99a65da54d397f888317b53b3863f2999fa1a1d28bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling accountable-refcell v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "a4e6379450faa1fed2e0f99a65da54d397f888317b53b3863f2999fa1a1d28bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e6379450faa1fed2e0f99a65da54d397f888317b53b3863f2999fa1a1d28bc", kill_on_drop: false }`
[INFO] [stdout] a4e6379450faa1fed2e0f99a65da54d397f888317b53b3863f2999fa1a1d28bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5e138df185c913128990340f7242751b8f9a5d3c75caf820c1a150c3245dd6c4
[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" "5e138df185c913128990340f7242751b8f9a5d3c75caf820c1a150c3245dd6c4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/accountable_refcell-32dfe22af6635494)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::take_refcell_returns_correct_value ... ok
[INFO] [stdout] test tests::replace_refcell_properly_replaces_contents ... ok
[INFO] [stdout] test tests::replace_with_refcell_properly_replaces_contents ... ok
[INFO] [stdout] test tests::cannot_take_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::cannot_borrow_mutably - should panic ... ok
[INFO] [stdout] test tests::cannot_borrow_mutably_multi_borrow - should panic ... ok
[INFO] [stdout] test tests::cannot_take_mut_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::cannot_replace_with_mut_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::cannot_replace_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::clone_records_borrow - should panic ... ok
[INFO] [stdout] test tests::cannot_borrow_immutably - should panic ... ok
[INFO] [stdout] test tests::test - should panic ... ok
[INFO] [stdout] test tests::cannot_replace_mut_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::cannot_replace_with_borrowed_refcell - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests accountable-refcell
[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" "5e138df185c913128990340f7242751b8f9a5d3c75caf820c1a150c3245dd6c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e138df185c913128990340f7242751b8f9a5d3c75caf820c1a150c3245dd6c4", kill_on_drop: false }`
[INFO] [stdout] 5e138df185c913128990340f7242751b8f9a5d3c75caf820c1a150c3245dd6c4