[INFO] fetching crate parallel_reader 0.1.2...
[INFO] testing parallel_reader-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate parallel_reader 0.1.2 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate parallel_reader 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parallel_reader 0.1.2
[INFO] finished tweaking crates.io crate parallel_reader 0.1.2
[INFO] tweaked toml for crates.io crate parallel_reader 0.1.2 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate crates.io crate parallel_reader 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31de6ad0d7fea897e4d518cc9c49c563ca2db57401f9857f2480d2ce6b4a2c68
[INFO] running `Command { std: "docker" "start" "-a" "31de6ad0d7fea897e4d518cc9c49c563ca2db57401f9857f2480d2ce6b4a2c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31de6ad0d7fea897e4d518cc9c49c563ca2db57401f9857f2480d2ce6b4a2c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31de6ad0d7fea897e4d518cc9c49c563ca2db57401f9857f2480d2ce6b4a2c68", kill_on_drop: false }`
[INFO] [stdout] 31de6ad0d7fea897e4d518cc9c49c563ca2db57401f9857f2480d2ce6b4a2c68
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64f967a7e249b611bc5def848710613b26570e02ea9ee1c05a7cef08ecaae2dd
[INFO] running `Command { std: "docker" "start" "-a" "64f967a7e249b611bc5def848710613b26570e02ea9ee1c05a7cef08ecaae2dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling parallel_reader v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "64f967a7e249b611bc5def848710613b26570e02ea9ee1c05a7cef08ecaae2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f967a7e249b611bc5def848710613b26570e02ea9ee1c05a7cef08ecaae2dd", kill_on_drop: false }`
[INFO] [stdout] 64f967a7e249b611bc5def848710613b26570e02ea9ee1c05a7cef08ecaae2dd
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d85d54c1be9bd211462fc9923814da3ed50a99981e5ce9a53a005559360e6a6
[INFO] running `Command { std: "docker" "start" "-a" "5d85d54c1be9bd211462fc9923814da3ed50a99981e5ce9a53a005559360e6a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling parallel_reader v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.66s
[INFO] running `Command { std: "docker" "inspect" "5d85d54c1be9bd211462fc9923814da3ed50a99981e5ce9a53a005559360e6a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d85d54c1be9bd211462fc9923814da3ed50a99981e5ce9a53a005559360e6a6", kill_on_drop: false }`
[INFO] [stdout] 5d85d54c1be9bd211462fc9923814da3ed50a99981e5ce9a53a005559360e6a6
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 173ebbb2e1191e1700c2e06341305a0e401e949492d451ec2c35b531ae0d13b7
[INFO] running `Command { std: "docker" "start" "-a" "173ebbb2e1191e1700c2e06341305a0e401e949492d451ec2c35b531ae0d13b7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parallel_reader-9a5371e96683b2a4)
[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] [stderr]    Doc-tests parallel_reader
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - read_stream_and_process_chunks_in_parallel (line 101) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "173ebbb2e1191e1700c2e06341305a0e401e949492d451ec2c35b531ae0d13b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "173ebbb2e1191e1700c2e06341305a0e401e949492d451ec2c35b531ae0d13b7", kill_on_drop: false }`
[INFO] [stdout] 173ebbb2e1191e1700c2e06341305a0e401e949492d451ec2c35b531ae0d13b7