[INFO] fetching crate rc-u8-reader 2.0.14...
[INFO] testing rc-u8-reader-2.0.14 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rc-u8-reader 2.0.14 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate rc-u8-reader 2.0.14 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rc-u8-reader 2.0.14
[INFO] finished tweaking crates.io crate rc-u8-reader 2.0.14
[INFO] tweaked toml for crates.io crate rc-u8-reader 2.0.14 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debug-helper v0.3.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95573c1ffc484ab5a974411a50a246f6ecc48c1461e0ca3bfb64abe912ee98c8
[INFO] running `Command { std: "docker" "start" "-a" "95573c1ffc484ab5a974411a50a246f6ecc48c1461e0ca3bfb64abe912ee98c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95573c1ffc484ab5a974411a50a246f6ecc48c1461e0ca3bfb64abe912ee98c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95573c1ffc484ab5a974411a50a246f6ecc48c1461e0ca3bfb64abe912ee98c8", kill_on_drop: false }`
[INFO] [stdout] 95573c1ffc484ab5a974411a50a246f6ecc48c1461e0ca3bfb64abe912ee98c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01bc2e2e5e023de09c04dece63c73ab0a8ddfb6544f2ba67e639bd5c856fc251
[INFO] running `Command { std: "docker" "start" "-a" "01bc2e2e5e023de09c04dece63c73ab0a8ddfb6544f2ba67e639bd5c856fc251", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling debug-helper v0.3.12
[INFO] [stderr]    Compiling rc-u8-reader v2.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "01bc2e2e5e023de09c04dece63c73ab0a8ddfb6544f2ba67e639bd5c856fc251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01bc2e2e5e023de09c04dece63c73ab0a8ddfb6544f2ba67e639bd5c856fc251", kill_on_drop: false }`
[INFO] [stdout] 01bc2e2e5e023de09c04dece63c73ab0a8ddfb6544f2ba67e639bd5c856fc251
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17d07523fbbe1ae3d41375e94f7b521a685e65f8ab1a3a8ad0505b19bd2ec924
[INFO] running `Command { std: "docker" "start" "-a" "17d07523fbbe1ae3d41375e94f7b521a685e65f8ab1a3a8ad0505b19bd2ec924", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc-u8-reader v2.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "17d07523fbbe1ae3d41375e94f7b521a685e65f8ab1a3a8ad0505b19bd2ec924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d07523fbbe1ae3d41375e94f7b521a685e65f8ab1a3a8ad0505b19bd2ec924", kill_on_drop: false }`
[INFO] [stdout] 17d07523fbbe1ae3d41375e94f7b521a685e65f8ab1a3a8ad0505b19bd2ec924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9f12f6e37811e2288da3c455fcd53c3a30e49fde859405a31193175f06363433
[INFO] running `Command { std: "docker" "start" "-a" "9f12f6e37811e2288da3c455fcd53c3a30e49fde859405a31193175f06363433", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rc_u8_reader-9c846e82db920048)
[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] [stderr]    Doc-tests rc-u8-reader
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 73) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9f12f6e37811e2288da3c455fcd53c3a30e49fde859405a31193175f06363433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f12f6e37811e2288da3c455fcd53c3a30e49fde859405a31193175f06363433", kill_on_drop: false }`
[INFO] [stdout] 9f12f6e37811e2288da3c455fcd53c3a30e49fde859405a31193175f06363433