[INFO] cloning repository https://github.com/fteychene/ferris-in-errorland
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fteychene/ferris-in-errorland" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffteychene%2Fferris-in-errorland", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffteychene%2Fferris-in-errorland'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98b09daf112ea6027c535ea1d8da5d31fe00f547
[INFO] testing fteychene/ferris-in-errorland against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffteychene%2Fferris-in-errorland" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fteychene/ferris-in-errorland on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fteychene/ferris-in-errorland
[INFO] finished tweaking git repo https://github.com/fteychene/ferris-in-errorland
[INFO] tweaked toml for git repo https://github.com/fteychene/ferris-in-errorland written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/fteychene/ferris-in-errorland already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09656ab1d75214ca032c8d45c60f633bf0cf8ac6af5f5f574d1f7e0fde3a71a8
[INFO] running `Command { std: "docker" "start" "-a" "09656ab1d75214ca032c8d45c60f633bf0cf8ac6af5f5f574d1f7e0fde3a71a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09656ab1d75214ca032c8d45c60f633bf0cf8ac6af5f5f574d1f7e0fde3a71a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09656ab1d75214ca032c8d45c60f633bf0cf8ac6af5f5f574d1f7e0fde3a71a8", kill_on_drop: false }`
[INFO] [stdout] 09656ab1d75214ca032c8d45c60f633bf0cf8ac6af5f5f574d1f7e0fde3a71a8
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29e8ae023c1728d19c346b50c716755b4917516a9c44c7fa9d0c2f4450ea4075
[INFO] running `Command { std: "docker" "start" "-a" "29e8ae023c1728d19c346b50c716755b4917516a9c44c7fa9d0c2f4450ea4075", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling std v0.1.0 (/opt/rustwide/workdir/std)
[INFO] [stderr]    Compiling base v0.1.0 (/opt/rustwide/workdir/base)
[INFO] [stderr]    Compiling anyhow v0.1.0 (/opt/rustwide/workdir/anyhow)
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling error-chain v0.1.0 (/opt/rustwide/workdir/error-chain)
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling failure v0.1.0 (/opt/rustwide/workdir/failure)
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling snafu v0.1.0 (/opt/rustwide/workdir/snafu)
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling diptych v0.1.0 (/opt/rustwide/workdir/diptych)
[INFO] [stderr]    Compiling thiserror v0.1.0 (/opt/rustwide/workdir/thiserror)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.39s
[INFO] running `Command { std: "docker" "inspect" "29e8ae023c1728d19c346b50c716755b4917516a9c44c7fa9d0c2f4450ea4075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e8ae023c1728d19c346b50c716755b4917516a9c44c7fa9d0c2f4450ea4075", kill_on_drop: false }`
[INFO] [stdout] 29e8ae023c1728d19c346b50c716755b4917516a9c44c7fa9d0c2f4450ea4075
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84e167938634601e3741f9dca45c2b08eeba065680d4aa817d13a1449dd0d709
[INFO] running `Command { std: "docker" "start" "-a" "84e167938634601e3741f9dca45c2b08eeba065680d4aa817d13a1449dd0d709", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-chain v0.1.0 (/opt/rustwide/workdir/error-chain)
[INFO] [stderr]    Compiling std v0.1.0 (/opt/rustwide/workdir/std)
[INFO] [stderr]    Compiling base v0.1.0 (/opt/rustwide/workdir/base)
[INFO] [stderr]    Compiling anyhow v0.1.0 (/opt/rustwide/workdir/anyhow)
[INFO] [stderr]    Compiling thiserror v0.1.0 (/opt/rustwide/workdir/thiserror)
[INFO] [stderr]    Compiling snafu v0.1.0 (/opt/rustwide/workdir/snafu)
[INFO] [stderr]    Compiling diptych v0.1.0 (/opt/rustwide/workdir/diptych)
[INFO] [stderr]    Compiling failure v0.1.0 (/opt/rustwide/workdir/failure)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "84e167938634601e3741f9dca45c2b08eeba065680d4aa817d13a1449dd0d709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e167938634601e3741f9dca45c2b08eeba065680d4aa817d13a1449dd0d709", kill_on_drop: false }`
[INFO] [stdout] 84e167938634601e3741f9dca45c2b08eeba065680d4aa817d13a1449dd0d709
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb59a27a485cdbc1a0fa3b4c05afce9fe0693db70640298c877c0e3a76bc1ae7
[INFO] running `Command { std: "docker" "start" "-a" "eb59a27a485cdbc1a0fa3b4c05afce9fe0693db70640298c877c0e3a76bc1ae7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/anyhow-f90ce8df966c42d0)
[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 (/opt/rustwide/target/debug/deps/base-89d2982e6cbb28b5)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/diptych-d5ded326354a8516)
[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 (/opt/rustwide/target/debug/deps/error_chain-acf001ffcce0800a)
[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 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 (/opt/rustwide/target/debug/deps/failure-e413505fff079700)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snafu-8b9e128092d782bc)
[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 (/opt/rustwide/target/debug/deps/std-4f9faac3a1502c7f)
[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 (/opt/rustwide/target/debug/deps/thiserror-c98eb322388cb56f)
[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 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" "eb59a27a485cdbc1a0fa3b4c05afce9fe0693db70640298c877c0e3a76bc1ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb59a27a485cdbc1a0fa3b4c05afce9fe0693db70640298c877c0e3a76bc1ae7", kill_on_drop: false }`
[INFO] [stdout] eb59a27a485cdbc1a0fa3b4c05afce9fe0693db70640298c877c0e3a76bc1ae7