[INFO] fetching crate frack 2.0.0...
[INFO] testing frack-2.0.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate frack 2.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate frack 2.0.0
[INFO] finished tweaking crates.io crate frack 2.0.0
[INFO] tweaked toml for crates.io crate frack 2.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate frack 2.0.0 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 frack 2.0.0 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e3b06143578fa06acdd035eef4883af43abd6ba6558b07c2a46894b31a53eea0
[INFO] running `Command { std: "docker" "start" "-a" "e3b06143578fa06acdd035eef4883af43abd6ba6558b07c2a46894b31a53eea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3b06143578fa06acdd035eef4883af43abd6ba6558b07c2a46894b31a53eea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b06143578fa06acdd035eef4883af43abd6ba6558b07c2a46894b31a53eea0", kill_on_drop: false }`
[INFO] [stdout] e3b06143578fa06acdd035eef4883af43abd6ba6558b07c2a46894b31a53eea0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 168ae892e4cd37b5e2fab3eecb06649759020bb631f4b0176c93fd284d349f72
[INFO] running `Command { std: "docker" "start" "-a" "168ae892e4cd37b5e2fab3eecb06649759020bb631f4b0176c93fd284d349f72", kill_on_drop: false }`
[INFO] [stderr]    Compiling frack v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "168ae892e4cd37b5e2fab3eecb06649759020bb631f4b0176c93fd284d349f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168ae892e4cd37b5e2fab3eecb06649759020bb631f4b0176c93fd284d349f72", kill_on_drop: false }`
[INFO] [stdout] 168ae892e4cd37b5e2fab3eecb06649759020bb631f4b0176c93fd284d349f72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 179c8309ccb20a8b6364a5c9962a76cb66a9ff5573bbf632b9a6d93ad56fa62b
[INFO] running `Command { std: "docker" "start" "-a" "179c8309ccb20a8b6364a5c9962a76cb66a9ff5573bbf632b9a6d93ad56fa62b", kill_on_drop: false }`
[INFO] [stderr]    Compiling frack v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "179c8309ccb20a8b6364a5c9962a76cb66a9ff5573bbf632b9a6d93ad56fa62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179c8309ccb20a8b6364a5c9962a76cb66a9ff5573bbf632b9a6d93ad56fa62b", kill_on_drop: false }`
[INFO] [stdout] 179c8309ccb20a8b6364a5c9962a76cb66a9ff5573bbf632b9a6d93ad56fa62b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4de2946b47f4d02bcc4eed944e16f6c206491578fa66addf97d0f6de67be9411
[INFO] running `Command { std: "docker" "start" "-a" "4de2946b47f4d02bcc4eed944e16f6c206491578fa66addf97d0f6de67be9411", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/frack-5733c805c8144377)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/frack-b1b247067bd3c322)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests frack
[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 4 tests
[INFO] [stdout] test src/util.rs - util::error (line 19) - compile ... ok
[INFO] [stdout] test src/util.rs - util::warning (line 130) - compile ... ok
[INFO] [stdout] test src/util.rs - util::error (line 8) - compile ... ok
[INFO] [stdout] test src/util.rs - util::warning (line 115) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4de2946b47f4d02bcc4eed944e16f6c206491578fa66addf97d0f6de67be9411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de2946b47f4d02bcc4eed944e16f6c206491578fa66addf97d0f6de67be9411", kill_on_drop: false }`
[INFO] [stdout] 4de2946b47f4d02bcc4eed944e16f6c206491578fa66addf97d0f6de67be9411