[INFO] fetching crate conquer-once 0.3.1...
[INFO] testing conquer-once-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate conquer-once 0.3.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate conquer-once 0.3.1 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 conquer-once 0.3.1
[INFO] finished tweaking crates.io crate conquer-once 0.3.1
[INFO] tweaked toml for crates.io crate conquer-once 0.3.1 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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] ce8bb13785a01ec8405de5c586ef0d97e5a4cfc986086b9a08aa91bcea44601e
[INFO] running `Command { std: "docker" "start" "-a" "ce8bb13785a01ec8405de5c586ef0d97e5a4cfc986086b9a08aa91bcea44601e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce8bb13785a01ec8405de5c586ef0d97e5a4cfc986086b9a08aa91bcea44601e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8bb13785a01ec8405de5c586ef0d97e5a4cfc986086b9a08aa91bcea44601e", kill_on_drop: false }`
[INFO] [stdout] ce8bb13785a01ec8405de5c586ef0d97e5a4cfc986086b9a08aa91bcea44601e
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0cca84f72c2645c3a5fdb43c5150af72634af11f10f9fcf8f07efd85b2fc36b
[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" "e0cca84f72c2645c3a5fdb43c5150af72634af11f10f9fcf8f07efd85b2fc36b", kill_on_drop: false }`
[INFO] [stderr]    Compiling conquer-util v0.3.0
[INFO] [stderr]    Compiling conquer-once v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "e0cca84f72c2645c3a5fdb43c5150af72634af11f10f9fcf8f07efd85b2fc36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0cca84f72c2645c3a5fdb43c5150af72634af11f10f9fcf8f07efd85b2fc36b", kill_on_drop: false }`
[INFO] [stdout] e0cca84f72c2645c3a5fdb43c5150af72634af11f10f9fcf8f07efd85b2fc36b
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 862260f6da6f8bb5d433207031ceb421f13ce7f8eb84339adf61699849cdf8cc
[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" "862260f6da6f8bb5d433207031ceb421f13ce7f8eb84339adf61699849cdf8cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling conquer-once v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `Command { std: "docker" "inspect" "862260f6da6f8bb5d433207031ceb421f13ce7f8eb84339adf61699849cdf8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "862260f6da6f8bb5d433207031ceb421f13ce7f8eb84339adf61699849cdf8cc", kill_on_drop: false }`
[INFO] [stdout] 862260f6da6f8bb5d433207031ceb421f13ce7f8eb84339adf61699849cdf8cc
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 91bb5359c7817dc792c2fdf5c27806caeaa18d33e1791e2e488f4912790ce0b0
[INFO] running `Command { std: "docker" "start" "-a" "91bb5359c7817dc792c2fdf5c27806caeaa18d33e1791e2e488f4912790ce0b0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] [stdout] running 36 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/conquer_once-f1893a10a941549c
[INFO] [stdout] test park::tests::lazy ... ok
[INFO] [stdout] test park::tests::lazy_mutex ... ok
[INFO] [stdout] test park::tests::once_cell_drop ... ok
[INFO] [stdout] test park::tests::once_cell_into_inner ... ok
[INFO] [stdout] test park::tests::once_cell_init_once ... ok
[INFO] [stdout] test noblock::tests::once_cell_uninit ... ok
[INFO] [stdout] test noblock::tests::recursive ... ok
[INFO] [stdout] test park::tests::once_cell_uninit ... ok
[INFO] [stdout] test park::tests::recursive ... ok
[INFO] [stdout] test noblock::tests::once_cell_try_init_and_try_get ... ok
[INFO] [stdout] test spin::tests::lazy ... ok
[INFO] [stdout] test spin::tests::once_cell_block ... ok
[INFO] [stdout] test park::tests::once_cell_new ... ok
[INFO] [stdout] test spin::tests::lazy_mutex ... ok
[INFO] [stdout] test spin::tests::once_cell_into_inner ... ok
[INFO] [stdout] test spin::tests::once_cell_drop ... ok
[INFO] [stdout] test spin::tests::once_cell_init_once ... ok
[INFO] [stdout] test park::tests::once_cell_try_init_once ... ok
[INFO] [stdout] test spin::tests::once_cell_new ... ok
[INFO] [stdout] test park::tests::once_cell_try_init_and_try_get ... ok
[INFO] [stdout] test spin::tests::recursive ... ok
[INFO] [stdout] test spin::tests::once_cell_uninit ... ok
[INFO] [stdout] test noblock::tests::once_cell_try_init_once ... ok
[INFO] [stdout] test park::tests::once_cell_block ... ok
[INFO] [stdout] test spin::tests::once_cell_try_init_once ... ok
[INFO] [stdout] test spin::tests::once_cell_try_init_and_try_get ... ok
[INFO] [stdout] test park::tests::drop_on_panic ... ok
[INFO] [stdout] test park::tests::lazy_poisoned ... ok
[INFO] [stdout] test spin::tests::catch_panic ... ok
[INFO] [stdout] test park::tests::catch_panic ... ok
[INFO] [stdout] test spin::tests::lazy_poisoned ... ok
[INFO] [stdout] test spin::tests::drop_on_panic ... ok
[INFO] [stdout] test park::tests::once_cell_into_inner_poisoned ... ok
[INFO] [stdout] test spin::tests::once_cell_into_inner_poisoned ... ok
[INFO] [stdout] test spin::tests::once_cell_propagate_poison_from_block ... ok
[INFO] [stderr]    Doc-tests conquer-once
[INFO] [stdout] test park::tests::once_cell_propagate_poison_from_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lazy.rs - lazy::Lazy<T, B, F>::new (line 37) ... ok
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T, B>::get_unchecked (line 185) ... ok
[INFO] [stdout] test src/park.rs - park::OnceCell (line 92) ... ok
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T, B>::try_init_once (line 258) ... ok
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T, B>::into_inner (line 99) ... ok
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T, B>::get (line 367) ... ok
[INFO] [stdout] test src/park.rs - park::Once (line 140) ... ok
[INFO] [stdout] test src/park.rs - park::Lazy (line 54) ... ok
[INFO] [stdout] test src/park.rs - park::Lazy (line 32) ... ok
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T, B>::init_once (line 415) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91bb5359c7817dc792c2fdf5c27806caeaa18d33e1791e2e488f4912790ce0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91bb5359c7817dc792c2fdf5c27806caeaa18d33e1791e2e488f4912790ce0b0", kill_on_drop: false }`
[INFO] [stdout] 91bb5359c7817dc792c2fdf5c27806caeaa18d33e1791e2e488f4912790ce0b0