[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 master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemhak%2Ftextstat" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/memhak/textstat on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e87385ca41f8db0591c4946743f70ee307f4000e1f0e4a4801d389b6932689be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e87385ca41f8db0591c4946743f70ee307f4000e1f0e4a4801d389b6932689be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e87385ca41f8db0591c4946743f70ee307f4000e1f0e4a4801d389b6932689be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87385ca41f8db0591c4946743f70ee307f4000e1f0e4a4801d389b6932689be", kill_on_drop: false }`
[INFO] [stdout] e87385ca41f8db0591c4946743f70ee307f4000e1f0e4a4801d389b6932689be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87ee75bf0e73cf6ff469f1fc5657d1cae0d2bf9e5c26e357c0c1b3875c22e2d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "87ee75bf0e73cf6ff469f1fc5657d1cae0d2bf9e5c26e357c0c1b3875c22e2d9", 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:30:6
[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 1.41s
[INFO] running `Command { std: "docker" "inspect" "87ee75bf0e73cf6ff469f1fc5657d1cae0d2bf9e5c26e357c0c1b3875c22e2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ee75bf0e73cf6ff469f1fc5657d1cae0d2bf9e5c26e357c0c1b3875c22e2d9", kill_on_drop: false }`
[INFO] [stdout] 87ee75bf0e73cf6ff469f1fc5657d1cae0d2bf9e5c26e357c0c1b3875c22e2d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f193888b091d358cd5e222e96f4218d76a09ac6d5e6a108ec37ca5fdf83c7ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f193888b091d358cd5e222e96f4218d76a09ac6d5e6a108ec37ca5fdf83c7ac", 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:30:6
[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 0.60s
[INFO] running `Command { std: "docker" "inspect" "5f193888b091d358cd5e222e96f4218d76a09ac6d5e6a108ec37ca5fdf83c7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f193888b091d358cd5e222e96f4218d76a09ac6d5e6a108ec37ca5fdf83c7ac", kill_on_drop: false }`
[INFO] [stdout] 5f193888b091d358cd5e222e96f4218d76a09ac6d5e6a108ec37ca5fdf83c7ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dc4cb398b03dbb5b98c6a7dcc3b7fa6af3be15bb3f33b7748a2df5edb08680b9
[INFO] running `Command { std: "docker" "start" "-a" "dc4cb398b03dbb5b98c6a7dcc3b7fa6af3be15bb3f33b7748a2df5edb08680b9", 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:30:6
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/textstat-5f4c4f8f87239af6
[INFO] running `Command { std: "docker" "inspect" "dc4cb398b03dbb5b98c6a7dcc3b7fa6af3be15bb3f33b7748a2df5edb08680b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4cb398b03dbb5b98c6a7dcc3b7fa6af3be15bb3f33b7748a2df5edb08680b9", kill_on_drop: false }`
[INFO] [stdout] dc4cb398b03dbb5b98c6a7dcc3b7fa6af3be15bb3f33b7748a2df5edb08680b9