[INFO] fetching crate circbuf 0.2.0...
[INFO] testing circbuf-0.2.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate circbuf 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate circbuf 0.2.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate circbuf 0.2.0
[INFO] finished tweaking crates.io crate circbuf 0.2.0
[INFO] tweaked toml for crates.io crate circbuf 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78e768308d464cc88a74d6efb07d8ee82a04e1639cc967f80157304d01c5cac3
[INFO] running `Command { std: "docker" "start" "-a" "78e768308d464cc88a74d6efb07d8ee82a04e1639cc967f80157304d01c5cac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78e768308d464cc88a74d6efb07d8ee82a04e1639cc967f80157304d01c5cac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e768308d464cc88a74d6efb07d8ee82a04e1639cc967f80157304d01c5cac3", kill_on_drop: false }`
[INFO] [stdout] 78e768308d464cc88a74d6efb07d8ee82a04e1639cc967f80157304d01c5cac3
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e5fd6abe6851b1c272fe273b8d54c9915f2cec5f558771158bc38b1d9d9a9d8
[INFO] running `Command { std: "docker" "start" "-a" "9e5fd6abe6851b1c272fe273b8d54c9915f2cec5f558771158bc38b1d9d9a9d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling circbuf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "9e5fd6abe6851b1c272fe273b8d54c9915f2cec5f558771158bc38b1d9d9a9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e5fd6abe6851b1c272fe273b8d54c9915f2cec5f558771158bc38b1d9d9a9d8", kill_on_drop: false }`
[INFO] [stdout] 9e5fd6abe6851b1c272fe273b8d54c9915f2cec5f558771158bc38b1d9d9a9d8
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba339a9e38aa97dec46c9104efcd4a514d170cc700e1d71ff4c7022a24657675
[INFO] running `Command { std: "docker" "start" "-a" "ba339a9e38aa97dec46c9104efcd4a514d170cc700e1d71ff4c7022a24657675", kill_on_drop: false }`
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling vecio v0.1.0
[INFO] [stderr]    Compiling circbuf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "ba339a9e38aa97dec46c9104efcd4a514d170cc700e1d71ff4c7022a24657675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba339a9e38aa97dec46c9104efcd4a514d170cc700e1d71ff4c7022a24657675", kill_on_drop: false }`
[INFO] [stdout] ba339a9e38aa97dec46c9104efcd4a514d170cc700e1d71ff4c7022a24657675
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 664501699bf111830fd327ab98f3aab9c0eab294ad8ad1f1fd6f3722b00ba1d5
[INFO] running `Command { std: "docker" "start" "-a" "664501699bf111830fd327ab98f3aab9c0eab294ad8ad1f1fd6f3722b00ba1d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/circbuf-b40e635c0c8f7373)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::create_circbuf_with_capacity ... ok
[INFO] [stdout] test tests::find_bytes ... ok
[INFO] [stdout] test tests::create_circbuf ... ok
[INFO] [stdout] test tests::get_bytes_and_avail ... ok
[INFO] [stdout] test tests::grow_buffer ... ok
[INFO] [stdout] test tests::put_peek_and_get_bytes ... ok
[INFO] [stdout] test tests::read_and_write_bytes ... ok
[INFO] [stdout] test tests::vecio ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests circbuf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 40) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "664501699bf111830fd327ab98f3aab9c0eab294ad8ad1f1fd6f3722b00ba1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664501699bf111830fd327ab98f3aab9c0eab294ad8ad1f1fd6f3722b00ba1d5", kill_on_drop: false }`
[INFO] [stdout] 664501699bf111830fd327ab98f3aab9c0eab294ad8ad1f1fd6f3722b00ba1d5