[INFO] fetching crate frob 0.1.2...
[INFO] testing frob-0.1.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate frob 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate frob 0.1.2
[INFO] finished tweaking crates.io crate frob 0.1.2
[INFO] tweaked toml for crates.io crate frob 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate frob 0.1.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate frob 0.1.2 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 887c3eec3e4a84fd1ff725e3731d849651429432236765c8f878d556d5826f38
[INFO] running `Command { std: "docker" "start" "-a" "887c3eec3e4a84fd1ff725e3731d849651429432236765c8f878d556d5826f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "887c3eec3e4a84fd1ff725e3731d849651429432236765c8f878d556d5826f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887c3eec3e4a84fd1ff725e3731d849651429432236765c8f878d556d5826f38", kill_on_drop: false }`
[INFO] [stdout] 887c3eec3e4a84fd1ff725e3731d849651429432236765c8f878d556d5826f38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e3c38cfba37c1144f9679fb6ca1c956b8668d8eea52b551faa270c66b4bd8f7
[INFO] running `Command { std: "docker" "start" "-a" "7e3c38cfba37c1144f9679fb6ca1c956b8668d8eea52b551faa270c66b4bd8f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling libpulse-sys v1.19.3
[INFO] [stderr]    Compiling libdbus-sys v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling fauxpas v1.0.51
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dbus v0.9.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling frob-brightness v0.1.2
[INFO] [stderr]    Compiling libpulse-binding v2.26.0
[INFO] [stderr]    Compiling frob-volume v0.1.2
[INFO] [stderr]    Compiling frob-monitor v0.1.2
[INFO] [stderr]    Compiling frob v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.96s
[INFO] running `Command { std: "docker" "inspect" "7e3c38cfba37c1144f9679fb6ca1c956b8668d8eea52b551faa270c66b4bd8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e3c38cfba37c1144f9679fb6ca1c956b8668d8eea52b551faa270c66b4bd8f7", kill_on_drop: false }`
[INFO] [stdout] 7e3c38cfba37c1144f9679fb6ca1c956b8668d8eea52b551faa270c66b4bd8f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd5d02469a346aaebcab7b1a8ce772843297b14b8355bafcb1d25b400b10c2cd
[INFO] running `Command { std: "docker" "start" "-a" "dd5d02469a346aaebcab7b1a8ce772843297b14b8355bafcb1d25b400b10c2cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling frob v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "dd5d02469a346aaebcab7b1a8ce772843297b14b8355bafcb1d25b400b10c2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5d02469a346aaebcab7b1a8ce772843297b14b8355bafcb1d25b400b10c2cd", kill_on_drop: false }`
[INFO] [stdout] dd5d02469a346aaebcab7b1a8ce772843297b14b8355bafcb1d25b400b10c2cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0318241918d3a3e9922e728f08e44213cf4e7b0cbbd460f93e9732493914a84a
[INFO] running `Command { std: "docker" "start" "-a" "0318241918d3a3e9922e728f08e44213cf4e7b0cbbd460f93e9732493914a84a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/frob-86a0849e9bbc9860)
[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] running `Command { std: "docker" "inspect" "0318241918d3a3e9922e728f08e44213cf4e7b0cbbd460f93e9732493914a84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0318241918d3a3e9922e728f08e44213cf4e7b0cbbd460f93e9732493914a84a", kill_on_drop: false }`
[INFO] [stdout] 0318241918d3a3e9922e728f08e44213cf4e7b0cbbd460f93e9732493914a84a