[INFO] cloning repository https://github.com/tsakath/rust_book_8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tsakath/rust_book_8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsakath%2Frust_book_8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsakath%2Frust_book_8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e076f797bf5954e191d2144d423833765fad19b
[INFO] testing tsakath/rust_book_8 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsakath%2Frust_book_8" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tsakath/rust_book_8 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tsakath/rust_book_8
[INFO] finished tweaking git repo https://github.com/tsakath/rust_book_8
[INFO] tweaked toml for git repo https://github.com/tsakath/rust_book_8 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/tsakath/rust_book_8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80c39941aa6e4532bcbbf43298a65fd59dbab9f04a90e8606af35de2b38fbb14
[INFO] running `Command { std: "docker" "start" "-a" "80c39941aa6e4532bcbbf43298a65fd59dbab9f04a90e8606af35de2b38fbb14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80c39941aa6e4532bcbbf43298a65fd59dbab9f04a90e8606af35de2b38fbb14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c39941aa6e4532bcbbf43298a65fd59dbab9f04a90e8606af35de2b38fbb14", kill_on_drop: false }`
[INFO] [stdout] 80c39941aa6e4532bcbbf43298a65fd59dbab9f04a90e8606af35de2b38fbb14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67b707fbe916a46d5367a33dadb011cd8c79ad27f437510a63262ff704a623a3
[INFO] running `Command { std: "docker" "start" "-a" "67b707fbe916a46d5367a33dadb011cd8c79ad27f437510a63262ff704a623a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling vector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "67b707fbe916a46d5367a33dadb011cd8c79ad27f437510a63262ff704a623a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b707fbe916a46d5367a33dadb011cd8c79ad27f437510a63262ff704a623a3", kill_on_drop: false }`
[INFO] [stdout] 67b707fbe916a46d5367a33dadb011cd8c79ad27f437510a63262ff704a623a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8623d8c00da06b011cb6cb55bc8b91ce4d1a3fda9cc4a1739aed5444ba9ca7af
[INFO] running `Command { std: "docker" "start" "-a" "8623d8c00da06b011cb6cb55bc8b91ce4d1a3fda9cc4a1739aed5444ba9ca7af", kill_on_drop: false }`
[INFO] [stderr]    Compiling vector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "8623d8c00da06b011cb6cb55bc8b91ce4d1a3fda9cc4a1739aed5444ba9ca7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8623d8c00da06b011cb6cb55bc8b91ce4d1a3fda9cc4a1739aed5444ba9ca7af", kill_on_drop: false }`
[INFO] [stdout] 8623d8c00da06b011cb6cb55bc8b91ce4d1a3fda9cc4a1739aed5444ba9ca7af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96ea291c7c03f367bc70131a9e7e62857c6126823ca43697a25dc854eae8d8eb
[INFO] running `Command { std: "docker" "start" "-a" "96ea291c7c03f367bc70131a9e7e62857c6126823ca43697a25dc854eae8d8eb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vector-705b99c629211169)
[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" "96ea291c7c03f367bc70131a9e7e62857c6126823ca43697a25dc854eae8d8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ea291c7c03f367bc70131a9e7e62857c6126823ca43697a25dc854eae8d8eb", kill_on_drop: false }`
[INFO] [stdout] 96ea291c7c03f367bc70131a9e7e62857c6126823ca43697a25dc854eae8d8eb