[INFO] fetching crate knrs 0.2.1...
[INFO] testing knrs-0.2.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate knrs 0.2.1 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate knrs 0.2.1 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 knrs 0.2.1
[INFO] finished tweaking crates.io crate knrs 0.2.1
[INFO] tweaked toml for crates.io crate knrs 0.2.1 written to /workspace/builds/worker-77/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csv v0.14.7
[INFO] [stderr]   Downloaded quick-csv v0.1.6
[INFO] [stderr]   Downloaded pretty-bytes v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 2d3ccb5debb13b52ca6012150916136dff03f148307d6d9c167a9a0cf8baac62
[INFO] running `Command { std: "docker" "start" "-a" "2d3ccb5debb13b52ca6012150916136dff03f148307d6d9c167a9a0cf8baac62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d3ccb5debb13b52ca6012150916136dff03f148307d6d9c167a9a0cf8baac62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d3ccb5debb13b52ca6012150916136dff03f148307d6d9c167a9a0cf8baac62", kill_on_drop: false }`
[INFO] [stdout] 2d3ccb5debb13b52ca6012150916136dff03f148307d6d9c167a9a0cf8baac62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 8bee28387f55d9c714e7f209f72f66b0f43b24fac3eaa9ce8381daa0d9aa4b91
[INFO] running `Command { std: "docker" "start" "-a" "8bee28387f55d9c714e7f209f72f66b0f43b24fac3eaa9ce8381daa0d9aa4b91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling pretty-bytes v0.1.0
[INFO] [stderr]    Compiling quick-csv v0.1.6
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling knrs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "8bee28387f55d9c714e7f209f72f66b0f43b24fac3eaa9ce8381daa0d9aa4b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bee28387f55d9c714e7f209f72f66b0f43b24fac3eaa9ce8381daa0d9aa4b91", kill_on_drop: false }`
[INFO] [stdout] 8bee28387f55d9c714e7f209f72f66b0f43b24fac3eaa9ce8381daa0d9aa4b91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 30bdad2f15d78ef7526a8f7c843d90e5cc6f94ebc68bfab8c0df87e429b71808
[INFO] running `Command { std: "docker" "start" "-a" "30bdad2f15d78ef7526a8f7c843d90e5cc6f94ebc68bfab8c0df87e429b71808", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling knrs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "30bdad2f15d78ef7526a8f7c843d90e5cc6f94ebc68bfab8c0df87e429b71808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30bdad2f15d78ef7526a8f7c843d90e5cc6f94ebc68bfab8c0df87e429b71808", kill_on_drop: false }`
[INFO] [stdout] 30bdad2f15d78ef7526a8f7c843d90e5cc6f94ebc68bfab8c0df87e429b71808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] b61c70c824a50087cf8f9ec56db445ce0b26c62577fcdcb38ae14a7658234e5e
[INFO] running `Command { std: "docker" "start" "-a" "b61c70c824a50087cf8f9ec56db445ce0b26c62577fcdcb38ae14a7658234e5e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knrs-67b3378a8cd646e6)
[INFO] [stderr]    Doc-tests knrs
[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] [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" "b61c70c824a50087cf8f9ec56db445ce0b26c62577fcdcb38ae14a7658234e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b61c70c824a50087cf8f9ec56db445ce0b26c62577fcdcb38ae14a7658234e5e", kill_on_drop: false }`
[INFO] [stdout] b61c70c824a50087cf8f9ec56db445ce0b26c62577fcdcb38ae14a7658234e5e