[INFO] fetching crate simple-triple-buffer 0.1.0...
[INFO] testing simple-triple-buffer-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate simple-triple-buffer 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate simple-triple-buffer 0.1.0 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 simple-triple-buffer 0.1.0
[INFO] finished tweaking crates.io crate simple-triple-buffer 0.1.0
[INFO] tweaked toml for crates.io crate simple-triple-buffer 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate simple-triple-buffer 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] ad8975b06660bb5eca6d26e7bcf8fca21f98b6b460b9724a02ba1f899aa6544e
[INFO] running `Command { std: "docker" "start" "-a" "ad8975b06660bb5eca6d26e7bcf8fca21f98b6b460b9724a02ba1f899aa6544e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad8975b06660bb5eca6d26e7bcf8fca21f98b6b460b9724a02ba1f899aa6544e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad8975b06660bb5eca6d26e7bcf8fca21f98b6b460b9724a02ba1f899aa6544e", kill_on_drop: false }`
[INFO] [stdout] ad8975b06660bb5eca6d26e7bcf8fca21f98b6b460b9724a02ba1f899aa6544e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 9071a934cde85b9045512ab19192e4c5246dd7d544fed30eee3b8038a0071164
[INFO] running `Command { std: "docker" "start" "-a" "9071a934cde85b9045512ab19192e4c5246dd7d544fed30eee3b8038a0071164", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-triple-buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "9071a934cde85b9045512ab19192e4c5246dd7d544fed30eee3b8038a0071164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9071a934cde85b9045512ab19192e4c5246dd7d544fed30eee3b8038a0071164", kill_on_drop: false }`
[INFO] [stdout] 9071a934cde85b9045512ab19192e4c5246dd7d544fed30eee3b8038a0071164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 93fb9a457134eae5f771ef4bb757257e6e3f189bc675dc49c1e5ba8d27ab1527
[INFO] running `Command { std: "docker" "start" "-a" "93fb9a457134eae5f771ef4bb757257e6e3f189bc675dc49c1e5ba8d27ab1527", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-triple-buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "93fb9a457134eae5f771ef4bb757257e6e3f189bc675dc49c1e5ba8d27ab1527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93fb9a457134eae5f771ef4bb757257e6e3f189bc675dc49c1e5ba8d27ab1527", kill_on_drop: false }`
[INFO] [stdout] 93fb9a457134eae5f771ef4bb757257e6e3f189bc675dc49c1e5ba8d27ab1527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 682a7ae3dad329abddf4c5592c576ce5891012eef526a62c3abc97005db3838d
[INFO] running `Command { std: "docker" "start" "-a" "682a7ae3dad329abddf4c5592c576ce5891012eef526a62c3abc97005db3838d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_triple_buffer-c0aff713667c8107)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_long_overlapping_read ... ok
[INFO] [stdout] test tests::test_long_overlapping_write ... ok
[INFO] [stdout] test tests::test_seq_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple-triple-buffer
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Reader<T>::read_newest (line 139) ... ok
[INFO] [stdout] test src/lib.rs - Writer<T>::write_new (line 108) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "682a7ae3dad329abddf4c5592c576ce5891012eef526a62c3abc97005db3838d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "682a7ae3dad329abddf4c5592c576ce5891012eef526a62c3abc97005db3838d", kill_on_drop: false }`
[INFO] [stdout] 682a7ae3dad329abddf4c5592c576ce5891012eef526a62c3abc97005db3838d