[INFO] crate lazycell 1.2.1 is already in cache
[INFO] testing lazycell-1.2.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate lazycell 1.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate lazycell 1.2.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lazycell 1.2.1
[INFO] finished tweaking crates.io crate lazycell 1.2.1
[INFO] tweaked toml for crates.io crate lazycell 1.2.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfcedfee67e490707a66c70b0b71f953606d2efb59ab70ca1c79d6ef04eac200
[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" "dfcedfee67e490707a66c70b0b71f953606d2efb59ab70ca1c79d6ef04eac200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfcedfee67e490707a66c70b0b71f953606d2efb59ab70ca1c79d6ef04eac200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcedfee67e490707a66c70b0b71f953606d2efb59ab70ca1c79d6ef04eac200", kill_on_drop: false }`
[INFO] [stdout] dfcedfee67e490707a66c70b0b71f953606d2efb59ab70ca1c79d6ef04eac200
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86e537459932817419dd4a72d613077dc770f35082a66eeaca64758d9c536eb9
[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" "86e537459932817419dd4a72d613077dc770f35082a66eeaca64758d9c536eb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazycell v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "86e537459932817419dd4a72d613077dc770f35082a66eeaca64758d9c536eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e537459932817419dd4a72d613077dc770f35082a66eeaca64758d9c536eb9", kill_on_drop: false }`
[INFO] [stdout] 86e537459932817419dd4a72d613077dc770f35082a66eeaca64758d9c536eb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 226580bc09fb468c08ec217a63781ceb66ce0fbe842f72d2b6a96bbd373509f1
[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" "226580bc09fb468c08ec217a63781ceb66ce0fbe842f72d2b6a96bbd373509f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazycell v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "226580bc09fb468c08ec217a63781ceb66ce0fbe842f72d2b6a96bbd373509f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226580bc09fb468c08ec217a63781ceb66ce0fbe842f72d2b6a96bbd373509f1", kill_on_drop: false }`
[INFO] [stdout] 226580bc09fb468c08ec217a63781ceb66ce0fbe842f72d2b6a96bbd373509f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49e262735e7473a00e4ef6453fab517170eb22df1b1e0c0023e38d540e2f8bfe
[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" "49e262735e7473a00e4ef6453fab517170eb22df1b1e0c0023e38d540e2f8bfe", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 27 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lazycell-53965937edb249b5
[INFO] [stdout] test tests::atomic_replace ... ok
[INFO] [stdout] test tests::test_borrow_with_not_called_when_filled ... ok
[INFO] [stdout] test tests::test_borrow_with_already_filled ... ok
[INFO] [stdout] test tests::test_borrow_with ... ok
[INFO] [stdout] test tests::test_borrow_mut_with_not_called_when_filled ... ok
[INFO] [stdout] test tests::test_atomic_borrow_from_empty ... ok
[INFO] [stdout] test tests::test_atomic_into_inner ... ok
[INFO] [stdout] test tests::test_borrow_from_empty ... ok
[INFO] [stdout] test tests::test_borrow_mut ... ok
[INFO] [stdout] test tests::test_borrow_mut_with ... ok
[INFO] [stdout] test tests::test_try_borrow_with_ok ... ok
[INFO] [stdout] test tests::clone ... ok
[INFO] [stdout] test tests::test_fill_and_borrow ... ok
[INFO] [stdout] test tests::test_try_borrow_with_already_filled ... ok
[INFO] [stdout] test tests::test_try_borrow_mut_with_err ... ok
[INFO] [stdout] test tests::test_try_borrow_with_err ... ok
[INFO] [stdout] test tests::test_atomic_already_filled_panic ... ok
[INFO] [stdout] test tests::test_into_inner ... ok
[INFO] [stdout] test tests::test_try_borrow_mut_with_already_filled ... ok
[INFO] [stdout] test tests::test_borrow_mut_with_already_filled ... ok
[INFO] [stdout] test tests::clone_atomic ... ok
[INFO] [stdout] test tests::normal_replace ... ok
[INFO] [stdout] test tests::test_try_borrow_mut_with_ok ... ok
[INFO] [stdout] test tests::test_atomic_fill_and_borrow ... ok
[INFO] [stdout] test tests::test_already_filled_error ... ok
[INFO] [stderr]    Doc-tests lazycell
[INFO] [stdout] test tests::test_borrow_with_sound_with_reentrancy ... ok
[INFO] [stdout] test tests::test_try_borrow_with_sound_with_reentrancy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49e262735e7473a00e4ef6453fab517170eb22df1b1e0c0023e38d540e2f8bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e262735e7473a00e4ef6453fab517170eb22df1b1e0c0023e38d540e2f8bfe", kill_on_drop: false }`
[INFO] [stdout] 49e262735e7473a00e4ef6453fab517170eb22df1b1e0c0023e38d540e2f8bfe