[INFO] fetching crate iovec 0.1.4...
[INFO] testing iovec-0.1.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate iovec 0.1.4 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate iovec 0.1.4 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iovec 0.1.4
[INFO] finished tweaking crates.io crate iovec 0.1.4
[INFO] tweaked toml for crates.io crate iovec 0.1.4 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7197ab6737842a71ae1695d0d478f7c59bf847dcd72141d801acf256831e9f7e
[INFO] running `Command { std: "docker" "start" "-a" "7197ab6737842a71ae1695d0d478f7c59bf847dcd72141d801acf256831e9f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7197ab6737842a71ae1695d0d478f7c59bf847dcd72141d801acf256831e9f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7197ab6737842a71ae1695d0d478f7c59bf847dcd72141d801acf256831e9f7e", kill_on_drop: false }`
[INFO] [stdout] 7197ab6737842a71ae1695d0d478f7c59bf847dcd72141d801acf256831e9f7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acd7673e8fe563e446fbb54a92ae87f5a6246802369146fffbd77b9109d1d753
[INFO] running `Command { std: "docker" "start" "-a" "acd7673e8fe563e446fbb54a92ae87f5a6246802369146fffbd77b9109d1d753", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iovec v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "acd7673e8fe563e446fbb54a92ae87f5a6246802369146fffbd77b9109d1d753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd7673e8fe563e446fbb54a92ae87f5a6246802369146fffbd77b9109d1d753", kill_on_drop: false }`
[INFO] [stdout] acd7673e8fe563e446fbb54a92ae87f5a6246802369146fffbd77b9109d1d753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05dce669a5540f1738edcf8a0d7d58911c90f2beef89cad90031d1fbe07c5cac
[INFO] running `Command { std: "docker" "start" "-a" "05dce669a5540f1738edcf8a0d7d58911c90f2beef89cad90031d1fbe07c5cac", kill_on_drop: false }`
[INFO] [stderr]    Compiling iovec v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "05dce669a5540f1738edcf8a0d7d58911c90f2beef89cad90031d1fbe07c5cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05dce669a5540f1738edcf8a0d7d58911c90f2beef89cad90031d1fbe07c5cac", kill_on_drop: false }`
[INFO] [stdout] 05dce669a5540f1738edcf8a0d7d58911c90f2beef89cad90031d1fbe07c5cac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41ffcdc98ae53b5616168fc4df0fa4f2482b18a342c86ea478a478934b951368
[INFO] running `Command { std: "docker" "start" "-a" "41ffcdc98ae53b5616168fc4df0fa4f2482b18a342c86ea478a478934b951368", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iovec-b409767ebadd99e1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::convert_ref ... ok
[INFO] [stdout] test test::convert_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iovec
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/unix.rs - unix::as_os_slice_mut (line 54) ... ok
[INFO] [stdout] test src/unix.rs - unix::as_os_slice (line 32) ... ok
[INFO] [stdout] test src/unix.rs - unix (line 8) ... ok
[INFO] [stdout] test src/lib.rs - IoVec (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "41ffcdc98ae53b5616168fc4df0fa4f2482b18a342c86ea478a478934b951368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ffcdc98ae53b5616168fc4df0fa4f2482b18a342c86ea478a478934b951368", kill_on_drop: false }`
[INFO] [stdout] 41ffcdc98ae53b5616168fc4df0fa4f2482b18a342c86ea478a478934b951368