[INFO] fetching crate libmask 0.4.1...
[INFO] testing libmask-0.4.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate libmask 0.4.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate libmask 0.4.1
[INFO] finished tweaking crates.io crate libmask 0.4.1
[INFO] tweaked toml for crates.io crate libmask 0.4.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libmask 0.4.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libmask 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8063e1292f50a7ba91db55b90baba3d2a9b18dd587d3f16615395f776291269a
[INFO] running `Command { std: "docker" "start" "-a" "8063e1292f50a7ba91db55b90baba3d2a9b18dd587d3f16615395f776291269a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8063e1292f50a7ba91db55b90baba3d2a9b18dd587d3f16615395f776291269a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8063e1292f50a7ba91db55b90baba3d2a9b18dd587d3f16615395f776291269a", kill_on_drop: false }`
[INFO] [stdout] 8063e1292f50a7ba91db55b90baba3d2a9b18dd587d3f16615395f776291269a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13aed8d050218d59d95b70cea24f71a5e74c386d6d8633ec92da28c6749f67b7
[INFO] running `Command { std: "docker" "start" "-a" "13aed8d050218d59d95b70cea24f71a5e74c386d6d8633ec92da28c6749f67b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmask v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "13aed8d050218d59d95b70cea24f71a5e74c386d6d8633ec92da28c6749f67b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13aed8d050218d59d95b70cea24f71a5e74c386d6d8633ec92da28c6749f67b7", kill_on_drop: false }`
[INFO] [stdout] 13aed8d050218d59d95b70cea24f71a5e74c386d6d8633ec92da28c6749f67b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eec5c98c145ce60bc3013fb3baf7f02bcbd8b09e3ef6f96a4f268300d496067a
[INFO] running `Command { std: "docker" "start" "-a" "eec5c98c145ce60bc3013fb3baf7f02bcbd8b09e3ef6f96a4f268300d496067a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmask v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "eec5c98c145ce60bc3013fb3baf7f02bcbd8b09e3ef6f96a4f268300d496067a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eec5c98c145ce60bc3013fb3baf7f02bcbd8b09e3ef6f96a4f268300d496067a", kill_on_drop: false }`
[INFO] [stdout] eec5c98c145ce60bc3013fb3baf7f02bcbd8b09e3ef6f96a4f268300d496067a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e80efecd1f06adc0d340ad055a4d5c4e72ba0d2af3b67ccab43320eead5e41f0
[INFO] running `Command { std: "docker" "start" "-a" "e80efecd1f06adc0d340ad055a4d5c4e72ba0d2af3b67ccab43320eead5e41f0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libmask-b20083c26484b706)
[INFO] [stderr]    Doc-tests libmask
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.71s; merged doctests compilation took 0.67s
[INFO] running `Command { std: "docker" "inspect" "e80efecd1f06adc0d340ad055a4d5c4e72ba0d2af3b67ccab43320eead5e41f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80efecd1f06adc0d340ad055a4d5c4e72ba0d2af3b67ccab43320eead5e41f0", kill_on_drop: false }`
[INFO] [stdout] e80efecd1f06adc0d340ad055a4d5c4e72ba0d2af3b67ccab43320eead5e41f0