[INFO] cloning repository https://github.com/memhak/textstat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/memhak/textstat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemhak%2Ftextstat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemhak%2Ftextstat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b7fda0a61d33924b2e4de2c67514756edb10cd8
[INFO] testing memhak/textstat against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemhak%2Ftextstat" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/memhak/textstat 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 git repo https://github.com/memhak/textstat
[INFO] finished tweaking git repo https://github.com/memhak/textstat
[INFO] tweaked toml for git repo https://github.com/memhak/textstat written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/memhak/textstat already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 565b483e1ab78cbe3699db15a676d7a20759098e7aa2e2ad4fd823c59694c2fe
[INFO] running `Command { std: "docker" "start" "-a" "565b483e1ab78cbe3699db15a676d7a20759098e7aa2e2ad4fd823c59694c2fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "565b483e1ab78cbe3699db15a676d7a20759098e7aa2e2ad4fd823c59694c2fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565b483e1ab78cbe3699db15a676d7a20759098e7aa2e2ad4fd823c59694c2fe", kill_on_drop: false }`
[INFO] [stdout] 565b483e1ab78cbe3699db15a676d7a20759098e7aa2e2ad4fd823c59694c2fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 03f0d3b451fe9ea27eeddbd5a5fcc33665bf556615b448e394eab7ade8aaf503
[INFO] running `Command { std: "docker" "start" "-a" "03f0d3b451fe9ea27eeddbd5a5fcc33665bf556615b448e394eab7ade8aaf503", kill_on_drop: false }`
[INFO] [stderr]    Compiling textstat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `word_length` is never read
[INFO] [stdout]   --> src/main.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut word_length: usize = 0; // length of the current words
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "03f0d3b451fe9ea27eeddbd5a5fcc33665bf556615b448e394eab7ade8aaf503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f0d3b451fe9ea27eeddbd5a5fcc33665bf556615b448e394eab7ade8aaf503", kill_on_drop: false }`
[INFO] [stdout] 03f0d3b451fe9ea27eeddbd5a5fcc33665bf556615b448e394eab7ade8aaf503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 3964ead2190b3a051b0a40f8626f85f235bcea7a61684363fde5eaf1855aee9d
[INFO] running `Command { std: "docker" "start" "-a" "3964ead2190b3a051b0a40f8626f85f235bcea7a61684363fde5eaf1855aee9d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling textstat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `word_length` is never read
[INFO] [stdout]   --> src/main.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut word_length: usize = 0; // length of the current words
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "3964ead2190b3a051b0a40f8626f85f235bcea7a61684363fde5eaf1855aee9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3964ead2190b3a051b0a40f8626f85f235bcea7a61684363fde5eaf1855aee9d", kill_on_drop: false }`
[INFO] [stdout] 3964ead2190b3a051b0a40f8626f85f235bcea7a61684363fde5eaf1855aee9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 07ef77ad69bf009695a1f31997c7b8469311f181542ed7fa895447137f374440
[INFO] running `Command { std: "docker" "start" "-a" "07ef77ad69bf009695a1f31997c7b8469311f181542ed7fa895447137f374440", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `word_length` is never read
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:30:10
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 30 |     let mut word_length: usize = 0; // length of the current words
[INFO] [stdout] 
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `textstat` (bin "textstat" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/textstat-205f51729bbcd32d)
[INFO] running `Command { std: "docker" "inspect" "07ef77ad69bf009695a1f31997c7b8469311f181542ed7fa895447137f374440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ef77ad69bf009695a1f31997c7b8469311f181542ed7fa895447137f374440", kill_on_drop: false }`
[INFO] [stdout] 07ef77ad69bf009695a1f31997c7b8469311f181542ed7fa895447137f374440