[INFO] fetching crate buf-read-ext 0.4.0...
[INFO] testing buf-read-ext-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate buf-read-ext 0.4.0 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate buf-read-ext 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buf-read-ext 0.4.0
[INFO] finished tweaking crates.io crate buf-read-ext 0.4.0
[INFO] tweaked toml for crates.io crate buf-read-ext 0.4.0 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ecba60f7823c9ddc64fefd24a2b7520efc8c3bac579c5f945cf4937e2ba3993
[INFO] running `Command { std: "docker" "start" "-a" "4ecba60f7823c9ddc64fefd24a2b7520efc8c3bac579c5f945cf4937e2ba3993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ecba60f7823c9ddc64fefd24a2b7520efc8c3bac579c5f945cf4937e2ba3993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ecba60f7823c9ddc64fefd24a2b7520efc8c3bac579c5f945cf4937e2ba3993", kill_on_drop: false }`
[INFO] [stdout] 4ecba60f7823c9ddc64fefd24a2b7520efc8c3bac579c5f945cf4937e2ba3993
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48c497e7ac8ec0f600004c01e884c1b7b77a01e412950d30a48bb219781bfd1b
[INFO] running `Command { std: "docker" "start" "-a" "48c497e7ac8ec0f600004c01e884c1b7b77a01e412950d30a48bb219781bfd1b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling buf-read-ext v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "48c497e7ac8ec0f600004c01e884c1b7b77a01e412950d30a48bb219781bfd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c497e7ac8ec0f600004c01e884c1b7b77a01e412950d30a48bb219781bfd1b", kill_on_drop: false }`
[INFO] [stdout] 48c497e7ac8ec0f600004c01e884c1b7b77a01e412950d30a48bb219781bfd1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2a3f861fafd3eb3ff191698a50ccfdeb17cdf968b7abecfbf6a12353ad8f155
[INFO] running `Command { std: "docker" "start" "-a" "a2a3f861fafd3eb3ff191698a50ccfdeb17cdf968b7abecfbf6a12353ad8f155", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling buf-read-ext v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "a2a3f861fafd3eb3ff191698a50ccfdeb17cdf968b7abecfbf6a12353ad8f155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a3f861fafd3eb3ff191698a50ccfdeb17cdf968b7abecfbf6a12353ad8f155", kill_on_drop: false }`
[INFO] [stdout] a2a3f861fafd3eb3ff191698a50ccfdeb17cdf968b7abecfbf6a12353ad8f155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d52c105a82fec5328913ee4e03a6bfe26e2d5742722a8d886c9cf73191c4540
[INFO] running `Command { std: "docker" "start" "-a" "3d52c105a82fec5328913ee4e03a6bfe26e2d5742722a8d886c9cf73191c4540", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/buf_read_ext-0fd091cfea5d0835)
[INFO] [stderr]    Doc-tests buf-read-ext
[INFO] [stdout] test tests::stream_until_token_complex_test ... ok
[INFO] [stdout] test tests::stream_until_token_double_straddle_test ... ok
[INFO] [stdout] test tests::stream_until_token_large_token_test ... ok
[INFO] [stdout] test tests::stream_until_token ... ok
[INFO] [stdout] test tests::stream_until_token_straddle_test ... ok
[INFO] [stdout] test tests::stream_until_token_multiple_prefix_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "3d52c105a82fec5328913ee4e03a6bfe26e2d5742722a8d886c9cf73191c4540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d52c105a82fec5328913ee4e03a6bfe26e2d5742722a8d886c9cf73191c4540", kill_on_drop: false }`
[INFO] [stdout] 3d52c105a82fec5328913ee4e03a6bfe26e2d5742722a8d886c9cf73191c4540