[INFO] cloning repository https://github.com/mojave2/code-stats-comparison
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mojave2/code-stats-comparison" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmojave2%2Fcode-stats-comparison", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmojave2%2Fcode-stats-comparison'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d83c8e183baa6833c94fc0f7f1e9228282e93149
[INFO] checking mojave2/code-stats-comparison against master#cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 for pr-135841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmojave2%2Fcode-stats-comparison" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mojave2/code-stats-comparison on toolchain cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mojave2/code-stats-comparison
[INFO] finished tweaking git repo https://github.com/mojave2/code-stats-comparison
[INFO] tweaked toml for git repo https://github.com/mojave2/code-stats-comparison written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mojave2/code-stats-comparison already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02d75eb4125997d06fbe15df8fe1bdb7a4f3fc5406bcfe5553c0a30ccb68fabe
[INFO] running `Command { std: "docker" "start" "-a" "02d75eb4125997d06fbe15df8fe1bdb7a4f3fc5406bcfe5553c0a30ccb68fabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02d75eb4125997d06fbe15df8fe1bdb7a4f3fc5406bcfe5553c0a30ccb68fabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d75eb4125997d06fbe15df8fe1bdb7a4f3fc5406bcfe5553c0a30ccb68fabe", kill_on_drop: false }`
[INFO] [stdout] 02d75eb4125997d06fbe15df8fe1bdb7a4f3fc5406bcfe5553c0a30ccb68fabe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3815341a0a4633824d6f89a54e1c7e04f12107fe7daf5ef84842d2efd7e9ee4
[INFO] running `Command { std: "docker" "start" "-a" "f3815341a0a4633824d6f89a54e1c7e04f12107fe7daf5ef84842d2efd7e9ee4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking bytes v1.2.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling tokio v1.20.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling async-recursion v1.0.0
[INFO] [stderr]     Checking clap v3.2.12
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking code_stats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `count_file2` is never used
[INFO] [stdout]   --> src/bin/count_tokio_sem.rs:77:10
[INFO] [stdout]    |
[INFO] [stdout] 77 | async fn count_file2(path: &Path) -> Result<CodeStats> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_dir2` is never used
[INFO] [stdout]    --> src/bin/count_tokio_sem.rs:123:10
[INFO] [stdout]     |
[INFO] [stdout] 123 | async fn count_dir2(path: &Path, ext: &str) -> Result<CodeStats> {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_file2` is never used
[INFO] [stdout]   --> src/bin/count_tokio_sem.rs:77:10
[INFO] [stdout]    |
[INFO] [stdout] 77 | async fn count_file2(path: &Path) -> Result<CodeStats> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_dir2` is never used
[INFO] [stdout]    --> src/bin/count_tokio_sem.rs:123:10
[INFO] [stdout]     |
[INFO] [stdout] 123 | async fn count_dir2(path: &Path, ext: &str) -> Result<CodeStats> {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.45s
[INFO] running `Command { std: "docker" "inspect" "f3815341a0a4633824d6f89a54e1c7e04f12107fe7daf5ef84842d2efd7e9ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3815341a0a4633824d6f89a54e1c7e04f12107fe7daf5ef84842d2efd7e9ee4", kill_on_drop: false }`
[INFO] [stdout] f3815341a0a4633824d6f89a54e1c7e04f12107fe7daf5ef84842d2efd7e9ee4