[INFO] fetching crate yarn 0.0.1...
[INFO] testing yarn-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate yarn 0.0.1 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate yarn 0.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yarn 0.0.1
[INFO] finished tweaking crates.io crate yarn 0.0.1
[INFO] tweaked toml for crates.io crate yarn 0.0.1 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e1031a893e8da1411dc1b8e5d319352dca6d92ed9484327bbc6092c308e2466
[INFO] running `Command { std: "docker" "start" "-a" "9e1031a893e8da1411dc1b8e5d319352dca6d92ed9484327bbc6092c308e2466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e1031a893e8da1411dc1b8e5d319352dca6d92ed9484327bbc6092c308e2466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e1031a893e8da1411dc1b8e5d319352dca6d92ed9484327bbc6092c308e2466", kill_on_drop: false }`
[INFO] [stdout] 9e1031a893e8da1411dc1b8e5d319352dca6d92ed9484327bbc6092c308e2466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1c191aa2d1a071b4d10cc90aee8beef69558c85316bb414d8e3151f6b889400
[INFO] running `Command { std: "docker" "start" "-a" "d1c191aa2d1a071b4d10cc90aee8beef69558c85316bb414d8e3151f6b889400", kill_on_drop: false }`
[INFO] [stderr]    Compiling yarn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "d1c191aa2d1a071b4d10cc90aee8beef69558c85316bb414d8e3151f6b889400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c191aa2d1a071b4d10cc90aee8beef69558c85316bb414d8e3151f6b889400", kill_on_drop: false }`
[INFO] [stdout] d1c191aa2d1a071b4d10cc90aee8beef69558c85316bb414d8e3151f6b889400
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e75a6b075f909a80d0a1e3e67055dbf1410aacde945e2c8adc5b5c9746ab20b
[INFO] running `Command { std: "docker" "start" "-a" "8e75a6b075f909a80d0a1e3e67055dbf1410aacde945e2c8adc5b5c9746ab20b", kill_on_drop: false }`
[INFO] [stderr]    Compiling yarn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/yarn-069a71a06b510ef2)
[INFO] running `Command { std: "docker" "inspect" "8e75a6b075f909a80d0a1e3e67055dbf1410aacde945e2c8adc5b5c9746ab20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e75a6b075f909a80d0a1e3e67055dbf1410aacde945e2c8adc5b5c9746ab20b", kill_on_drop: false }`
[INFO] [stdout] 8e75a6b075f909a80d0a1e3e67055dbf1410aacde945e2c8adc5b5c9746ab20b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 48227a3816dc9fa878983f4a8be3ddcea15de99da8d20166fa47cd9715e0192e
[INFO] running `Command { std: "docker" "start" "-a" "48227a3816dc9fa878983f4a8be3ddcea15de99da8d20166fa47cd9715e0192e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/yarn-069a71a06b510ef2)
[INFO] [stderr]    Doc-tests yarn
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "48227a3816dc9fa878983f4a8be3ddcea15de99da8d20166fa47cd9715e0192e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48227a3816dc9fa878983f4a8be3ddcea15de99da8d20166fa47cd9715e0192e", kill_on_drop: false }`
[INFO] [stdout] 48227a3816dc9fa878983f4a8be3ddcea15de99da8d20166fa47cd9715e0192e