[INFO] fetching crate byteseeker 0.2.1...
[INFO] testing byteseeker-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate byteseeker 0.2.1 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate byteseeker 0.2.1 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 byteseeker 0.2.1
[INFO] finished tweaking crates.io crate byteseeker 0.2.1
[INFO] tweaked toml for crates.io crate byteseeker 0.2.1 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 0c221f5c13bbd6d335e75bea58529ee287a421107e5db0031884ebecd74b1b92
[INFO] running `Command { std: "docker" "start" "-a" "0c221f5c13bbd6d335e75bea58529ee287a421107e5db0031884ebecd74b1b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c221f5c13bbd6d335e75bea58529ee287a421107e5db0031884ebecd74b1b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c221f5c13bbd6d335e75bea58529ee287a421107e5db0031884ebecd74b1b92", kill_on_drop: false }`
[INFO] [stdout] 0c221f5c13bbd6d335e75bea58529ee287a421107e5db0031884ebecd74b1b92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 2cd9a39ff546654b869b0559b1e5493d68055213dcf1100f4ee077b570e57ff7
[INFO] running `Command { std: "docker" "start" "-a" "2cd9a39ff546654b869b0559b1e5493d68055213dcf1100f4ee077b570e57ff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteseeker v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "2cd9a39ff546654b869b0559b1e5493d68055213dcf1100f4ee077b570e57ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd9a39ff546654b869b0559b1e5493d68055213dcf1100f4ee077b570e57ff7", kill_on_drop: false }`
[INFO] [stdout] 2cd9a39ff546654b869b0559b1e5493d68055213dcf1100f4ee077b570e57ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] b1d0d2d1b9740766006fa134a8559c57088459d9cfa13aa019e721525cb5bd69
[INFO] running `Command { std: "docker" "start" "-a" "b1d0d2d1b9740766006fa134a8559c57088459d9cfa13aa019e721525cb5bd69", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteseeker v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "b1d0d2d1b9740766006fa134a8559c57088459d9cfa13aa019e721525cb5bd69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d0d2d1b9740766006fa134a8559c57088459d9cfa13aa019e721525cb5bd69", kill_on_drop: false }`
[INFO] [stdout] b1d0d2d1b9740766006fa134a8559c57088459d9cfa13aa019e721525cb5bd69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 6913fd3035e8d34349a75ddc92d6b3c1d4b4269704f13f850e9597dc37ad4ad9
[INFO] running `Command { std: "docker" "start" "-a" "6913fd3035e8d34349a75ddc92d6b3c1d4b4269704f13f850e9597dc37ad4ad9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/byteseeker-cc1e3711473e7a78)
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/seeker.rs (/opt/rustwide/target/debug/deps/seeker-0678b10b9f535705)
[INFO] [stdout] test seeker::tests::test_match_in_place ... ok
[INFO] [stdout] test seeker::tests::test_vecu8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test_invalid_seeking_bytes ... ok
[INFO] [stdout] test test_seek_back_cs0 ... ok
[INFO] [stdout] test test_seek_back_cs1 ... ok
[INFO] [stdout] test test_seek_back_cs2 ... ok
[INFO] [stdout] test test_seek_back_cs3 ... ok
[INFO] [stdout] test test_seek_cs0 ... ok
[INFO] [stdout] test test_seek_cs1 ... ok
[INFO] [stdout] test test_seek_cs2 ... ok
[INFO] [stdout] test test_seek_back_csn ... ok
[INFO] [stdout] test test_seek_cs3 ... ok
[INFO] [stdout] test test_seek_nth ... ok
[INFO] [stdout] test test_seek_csn ... ok
[INFO] [stdout] test test_seek_nth_back ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests byteseeker
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 11) - compile ... ok
[INFO] [stdout] test src/seeker.rs - seeker::ByteSeeker::new (line 63) ... ok
[INFO] [stdout] test src/seeker.rs - seeker::ByteSeeker::len (line 114) ... ok
[INFO] [stdout] test src/seeker.rs - seeker::ByteSeeker::with_capacity (line 80) ... ok
[INFO] [stdout] test src/seeker.rs - seeker::ByteSeeker::capacity (line 132) ... ok
[INFO] [stdout] test src/seeker.rs - seeker::ByteSeeker::seek_nth_back (line 308) ... ok
[INFO] [stdout] test src/seeker.rs - seeker::ByteSeeker::reset (line 151) ... ok
[INFO] [stdout] test src/seeker.rs - seeker::ByteSeeker::seek_nth (line 263) ... ok
[INFO] [stdout] test src/seeker.rs - seeker::ByteSeeker::get_mut (line 342) ... ok
[INFO] [stdout] test src/seeker.rs - seeker::ByteSeeker::seek (line 197) ... ok
[INFO] [stdout] test src/seeker.rs - seeker::ByteSeeker (line 10) ... ok
[INFO] [stdout] test src/seeker.rs - seeker::ByteSeeker::seek_back (line 230) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6913fd3035e8d34349a75ddc92d6b3c1d4b4269704f13f850e9597dc37ad4ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6913fd3035e8d34349a75ddc92d6b3c1d4b4269704f13f850e9597dc37ad4ad9", kill_on_drop: false }`
[INFO] [stdout] 6913fd3035e8d34349a75ddc92d6b3c1d4b4269704f13f850e9597dc37ad4ad9