[INFO] fetching crate yarns 0.4.1...
[INFO] testing yarns-0.4.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate yarns 0.4.1 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate yarns 0.4.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yarns 0.4.1
[INFO] finished tweaking crates.io crate yarns 0.4.1
[INFO] tweaked toml for crates.io crate yarns 0.4.1 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3c0e76a0b920c747da00c50858cb658c8a1bd41ec94e60d6d068b4ff3ff8883
[INFO] running `Command { std: "docker" "start" "-a" "e3c0e76a0b920c747da00c50858cb658c8a1bd41ec94e60d6d068b4ff3ff8883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3c0e76a0b920c747da00c50858cb658c8a1bd41ec94e60d6d068b4ff3ff8883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c0e76a0b920c747da00c50858cb658c8a1bd41ec94e60d6d068b4ff3ff8883", kill_on_drop: false }`
[INFO] [stdout] e3c0e76a0b920c747da00c50858cb658c8a1bd41ec94e60d6d068b4ff3ff8883
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d35baa50cfd416b1c26df8f0c12d9e0897fc1181c316ec1a93e911a6904097e1
[INFO] running `Command { std: "docker" "start" "-a" "d35baa50cfd416b1c26df8f0c12d9e0897fc1181c316ec1a93e911a6904097e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling yarns v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "d35baa50cfd416b1c26df8f0c12d9e0897fc1181c316ec1a93e911a6904097e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35baa50cfd416b1c26df8f0c12d9e0897fc1181c316ec1a93e911a6904097e1", kill_on_drop: false }`
[INFO] [stdout] d35baa50cfd416b1c26df8f0c12d9e0897fc1181c316ec1a93e911a6904097e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e798b5d6c74c164184689adbb09865501e037d46c90ed44f612c5fdd952ab43
[INFO] running `Command { std: "docker" "start" "-a" "1e798b5d6c74c164184689adbb09865501e037d46c90ed44f612c5fdd952ab43", kill_on_drop: false }`
[INFO] [stderr]    Compiling yarns v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "1e798b5d6c74c164184689adbb09865501e037d46c90ed44f612c5fdd952ab43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e798b5d6c74c164184689adbb09865501e037d46c90ed44f612c5fdd952ab43", kill_on_drop: false }`
[INFO] [stdout] 1e798b5d6c74c164184689adbb09865501e037d46c90ed44f612c5fdd952ab43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b84dd0881bd624fbf9ad5ffb74a0a849994e09ad50507cab2801ad1b636863f
[INFO] running `Command { std: "docker" "start" "-a" "0b84dd0881bd624fbf9ad5ffb74a0a849994e09ad50507cab2801ad1b636863f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yarns-786835b5c3742132)
[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 tests/lib.rs (/opt/rustwide/target/debug/deps/lib-ce293265a1f772c2)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test main::concat_hello_goodbye ... ok
[INFO] [stdout] test main::contains_hello_hell ... ok
[INFO] [stdout] test main::head_hello_h ... ok
[INFO] [stdout] test main::len_hello ... ok
[INFO] [stdout] test main::substr_hello_1_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yarns
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - head (line 5) ... ok
[INFO] [stdout] test src/lib.rs - concat (line 30) ... ok
[INFO] [stdout] test src/lib.rs - len (line 63) ... ok
[INFO] [stdout] test src/lib.rs - contains (line 43) ... ok
[INFO] [stdout] test src/lib.rs - substr (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0b84dd0881bd624fbf9ad5ffb74a0a849994e09ad50507cab2801ad1b636863f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b84dd0881bd624fbf9ad5ffb74a0a849994e09ad50507cab2801ad1b636863f", kill_on_drop: false }`
[INFO] [stdout] 0b84dd0881bd624fbf9ad5ffb74a0a849994e09ad50507cab2801ad1b636863f