[INFO] cloning repository https://github.com/Altair-Bueno/cw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Altair-Bueno/cw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAltair-Bueno%2Fcw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAltair-Bueno%2Fcw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f85ef5d4b853861542083d29032b9761840c1ef5
[INFO] checking Altair-Bueno/cw against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAltair-Bueno%2Fcw" "/workspace/builds/worker-100/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-100/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Altair-Bueno/cw on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Altair-Bueno/cw
[INFO] finished tweaking git repo https://github.com/Altair-Bueno/cw
[INFO] tweaked toml for git repo https://github.com/Altair-Bueno/cw written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate git repo https://github.com/Altair-Bueno/cw already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded mimalloc v0.1.27
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abeb011660486cf3010bdb7420e894a0edef93a05639601b77c59502cac7bf0b
[INFO] running `Command { std: "docker" "start" "-a" "abeb011660486cf3010bdb7420e894a0edef93a05639601b77c59502cac7bf0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abeb011660486cf3010bdb7420e894a0edef93a05639601b77c59502cac7bf0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abeb011660486cf3010bdb7420e894a0edef93a05639601b77c59502cac7bf0b", kill_on_drop: false }`
[INFO] [stdout] abeb011660486cf3010bdb7420e894a0edef93a05639601b77c59502cac7bf0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10c1966c238c478a3e0483e947ff7920a731dd1c7deaf349580423ac67dccdde
[INFO] running `Command { std: "docker" "start" "-a" "10c1966c238c478a3e0483e947ff7920a731dd1c7deaf349580423ac67dccdde", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling cw v3.0.3 (/opt/rustwide/workdir/crates/cw)
[INFO] [stderr]     Checking libcw v2.0.1 (/opt/rustwide/workdir/crates/libcw)
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stdout] warning: unused import: `std::env::args`
[INFO] [stdout]  --> crates/libcw/examples/count_from_file.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::args;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> crates/libcw/examples/count_from_file.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> crates/libcw/examples/count_from_file.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Encoding`, `LineBreak`
[INFO] [stdout]  --> crates/libcw/examples/count_from_file.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libcw::config::{Encoding, LineBreak};
[INFO] [stdout]   |                     ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libcw::Parser`
[INFO] [stdout]  --> crates/libcw/examples/count_from_file.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use libcw::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.85s
[INFO] running `Command { std: "docker" "inspect" "10c1966c238c478a3e0483e947ff7920a731dd1c7deaf349580423ac67dccdde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c1966c238c478a3e0483e947ff7920a731dd1c7deaf349580423ac67dccdde", kill_on_drop: false }`
[INFO] [stdout] 10c1966c238c478a3e0483e947ff7920a731dd1c7deaf349580423ac67dccdde