[INFO] fetching crate accountable-refcell 0.2.1...
[INFO] testing accountable-refcell-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate accountable-refcell 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate accountable-refcell 0.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 1038e66901d624347b65cd307eee4df0b485de5097d565c0db81dbddb8b2af42
[INFO] running `Command { std: "docker" "start" "-a" "1038e66901d624347b65cd307eee4df0b485de5097d565c0db81dbddb8b2af42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1038e66901d624347b65cd307eee4df0b485de5097d565c0db81dbddb8b2af42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1038e66901d624347b65cd307eee4df0b485de5097d565c0db81dbddb8b2af42", kill_on_drop: false }`
[INFO] [stdout] 1038e66901d624347b65cd307eee4df0b485de5097d565c0db81dbddb8b2af42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 4c13f214ae1ef62a9f4cefeb5124f6886f379322f04ddef6ed2e8b0e75730017
[INFO] running `Command { std: "docker" "start" "-a" "4c13f214ae1ef62a9f4cefeb5124f6886f379322f04ddef6ed2e8b0e75730017", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling accountable-refcell v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "4c13f214ae1ef62a9f4cefeb5124f6886f379322f04ddef6ed2e8b0e75730017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c13f214ae1ef62a9f4cefeb5124f6886f379322f04ddef6ed2e8b0e75730017", kill_on_drop: false }`
[INFO] [stdout] 4c13f214ae1ef62a9f4cefeb5124f6886f379322f04ddef6ed2e8b0e75730017
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b84fa48a0c957a6e64dd6bd6423b12b9d88581f1cef8bf3662df88af8e7c09e
[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" "5b84fa48a0c957a6e64dd6bd6423b12b9d88581f1cef8bf3662df88af8e7c09e", kill_on_drop: false }`
[INFO] [stderr]    Compiling accountable-refcell v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "5b84fa48a0c957a6e64dd6bd6423b12b9d88581f1cef8bf3662df88af8e7c09e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b84fa48a0c957a6e64dd6bd6423b12b9d88581f1cef8bf3662df88af8e7c09e", kill_on_drop: false }`
[INFO] [stdout] 5b84fa48a0c957a6e64dd6bd6423b12b9d88581f1cef8bf3662df88af8e7c09e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bba7267d99de381865ce521839c17d8f1fc16aae686d92ab50b0be484f1e9f79
[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" "bba7267d99de381865ce521839c17d8f1fc16aae686d92ab50b0be484f1e9f79", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/accountable_refcell-1cd041aab0ac04f4
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::replace_refcell_properly_replaces_contents ... ok
[INFO] [stdout] test tests::cannot_replace_mut_borrowed_refcell ... ok
[INFO] [stdout] test tests::cannot_replace_with_mut_borrowed_refcell ... ok
[INFO] [stdout] test tests::cannot_borrow_mutably ... ok
[INFO] [stdout] test tests::cannot_take_mut_borrowed_refcell ... ok
[INFO] [stdout] test tests::clone_records_borrow ... ok
[INFO] [stdout] test tests::cannot_replace_with_borrowed_refcell ... ok
[INFO] [stdout] test tests::cannot_take_borrowed_refcell ... ok
[INFO] [stdout] test tests::cannot_replace_borrowed_refcell ... ok
[INFO] [stdout] test tests::cannot_borrow_mutably_multi_borrow ... ok
[INFO] [stdout] test tests::take_refcell_returns_correct_value ... ok
[INFO] [stdout] test tests::cannot_borrow_immutably ... ok
[INFO] [stdout] test tests::replace_with_refcell_properly_replaces_contents ... ok
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bba7267d99de381865ce521839c17d8f1fc16aae686d92ab50b0be484f1e9f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba7267d99de381865ce521839c17d8f1fc16aae686d92ab50b0be484f1e9f79", kill_on_drop: false }`
[INFO] [stdout] bba7267d99de381865ce521839c17d8f1fc16aae686d92ab50b0be484f1e9f79