[INFO] fetching crate accountable-refcell 0.2.1...
[INFO] testing accountable-refcell-0.2.1 against beta-2021-01-01 for beta-1.50-1
[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 beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] d8f5bec6e5d6eab291c2cc28fc5e24c201c89a04f69c07520aad9f137a734a6b
[INFO] running `Command { std: "docker" "start" "-a" "d8f5bec6e5d6eab291c2cc28fc5e24c201c89a04f69c07520aad9f137a734a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8f5bec6e5d6eab291c2cc28fc5e24c201c89a04f69c07520aad9f137a734a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f5bec6e5d6eab291c2cc28fc5e24c201c89a04f69c07520aad9f137a734a6b", kill_on_drop: false }`
[INFO] [stdout] d8f5bec6e5d6eab291c2cc28fc5e24c201c89a04f69c07520aad9f137a734a6b
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 526b21e118294649f7776403c466620cd5385205603f1bf3c0903521c9fa8c5b
[INFO] running `Command { std: "docker" "start" "-a" "526b21e118294649f7776403c466620cd5385205603f1bf3c0903521c9fa8c5b", 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 3.70s
[INFO] running `Command { std: "docker" "inspect" "526b21e118294649f7776403c466620cd5385205603f1bf3c0903521c9fa8c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526b21e118294649f7776403c466620cd5385205603f1bf3c0903521c9fa8c5b", kill_on_drop: false }`
[INFO] [stdout] 526b21e118294649f7776403c466620cd5385205603f1bf3c0903521c9fa8c5b
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb0fd147a4cc479b8b9fa456a56bb844be698b028ab1e29c2ffcac9bd24e4a73
[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" "bb0fd147a4cc479b8b9fa456a56bb844be698b028ab1e29c2ffcac9bd24e4a73", kill_on_drop: false }`
[INFO] [stderr]    Compiling accountable-refcell v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "bb0fd147a4cc479b8b9fa456a56bb844be698b028ab1e29c2ffcac9bd24e4a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb0fd147a4cc479b8b9fa456a56bb844be698b028ab1e29c2ffcac9bd24e4a73", kill_on_drop: false }`
[INFO] [stdout] bb0fd147a4cc479b8b9fa456a56bb844be698b028ab1e29c2ffcac9bd24e4a73
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c87fe9c98307df04ccdd7fc0151956089a3ae63eedb0c102ed2cba9fb7a7dd0c
[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" "c87fe9c98307df04ccdd7fc0151956089a3ae63eedb0c102ed2cba9fb7a7dd0c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/accountable_refcell-ff49187238e750a6
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::replace_refcell_properly_replaces_contents ... ok
[INFO] [stdout] test tests::take_refcell_returns_correct_value ... ok
[INFO] [stdout] test tests::cannot_replace_borrowed_refcell ... ok
[INFO] [stdout] test tests::cannot_replace_mut_borrowed_refcell ... ok
[INFO] [stdout] test tests::cannot_borrow_mutably ... ok
[INFO] [stdout] test tests::cannot_replace_with_mut_borrowed_refcell ... ok
[INFO] [stdout] test tests::cannot_take_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_borrow_immutably ... ok
[INFO] [stdout] test tests::cannot_take_mut_borrowed_refcell ... ok
[INFO] [stdout] test tests::cannot_borrow_mutably_multi_borrow ... 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; finished in 0.56s
[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" "c87fe9c98307df04ccdd7fc0151956089a3ae63eedb0c102ed2cba9fb7a7dd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87fe9c98307df04ccdd7fc0151956089a3ae63eedb0c102ed2cba9fb7a7dd0c", kill_on_drop: false }`
[INFO] [stdout] c87fe9c98307df04ccdd7fc0151956089a3ae63eedb0c102ed2cba9fb7a7dd0c