[INFO] fetching crate waitcell 0.4.0...
[INFO] testing waitcell-0.4.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate waitcell 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate waitcell 0.4.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate waitcell 0.4.0
[INFO] finished tweaking crates.io crate waitcell 0.4.0
[INFO] tweaked toml for crates.io crate waitcell 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d378268c13951bb44b167b5c8d138dd7b5bb1e0c1458d68293604c055ae433b
[INFO] running `Command { std: "docker" "start" "-a" "7d378268c13951bb44b167b5c8d138dd7b5bb1e0c1458d68293604c055ae433b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d378268c13951bb44b167b5c8d138dd7b5bb1e0c1458d68293604c055ae433b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d378268c13951bb44b167b5c8d138dd7b5bb1e0c1458d68293604c055ae433b", kill_on_drop: false }`
[INFO] [stdout] 7d378268c13951bb44b167b5c8d138dd7b5bb1e0c1458d68293604c055ae433b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e595db5c48e724d44eb4cbfe7f91926878d61885ee9b5305449729f24ceabf33
[INFO] running `Command { std: "docker" "start" "-a" "e595db5c48e724d44eb4cbfe7f91926878d61885ee9b5305449729f24ceabf33", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling waitcell v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "e595db5c48e724d44eb4cbfe7f91926878d61885ee9b5305449729f24ceabf33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e595db5c48e724d44eb4cbfe7f91926878d61885ee9b5305449729f24ceabf33", kill_on_drop: false }`
[INFO] [stdout] e595db5c48e724d44eb4cbfe7f91926878d61885ee9b5305449729f24ceabf33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4696e053e5cd04ad165e20f9f02e73203234123c0f1484cc0bda71d9ea613a3
[INFO] running `Command { std: "docker" "start" "-a" "e4696e053e5cd04ad165e20f9f02e73203234123c0f1484cc0bda71d9ea613a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling waitcell v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "e4696e053e5cd04ad165e20f9f02e73203234123c0f1484cc0bda71d9ea613a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4696e053e5cd04ad165e20f9f02e73203234123c0f1484cc0bda71d9ea613a3", kill_on_drop: false }`
[INFO] [stdout] e4696e053e5cd04ad165e20f9f02e73203234123c0f1484cc0bda71d9ea613a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] adcc448bd2f8925bc4ea7afc259b3a61c949ae16323a5d9135b6962a7b405bb9
[INFO] running `Command { std: "docker" "start" "-a" "adcc448bd2f8925bc4ea7afc259b3a61c949ae16323a5d9135b6962a7b405bb9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/waitcell-87c4a00507cac67a)
[INFO] [stdout] test tests::uninit_init ... ok
[INFO] [stdout] test tests::uninit_try_get ... ok
[INFO] [stdout] test tests::init_try_get ... ok
[INFO] [stdout] test tests::init_twice ... ok
[INFO] [stderr]    Doc-tests waitcell
[INFO] [stdout] test tests::stress ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "adcc448bd2f8925bc4ea7afc259b3a61c949ae16323a5d9135b6962a7b405bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adcc448bd2f8925bc4ea7afc259b3a61c949ae16323a5d9135b6962a7b405bb9", kill_on_drop: false }`
[INFO] [stdout] adcc448bd2f8925bc4ea7afc259b3a61c949ae16323a5d9135b6962a7b405bb9