[INFO] cloning repository https://github.com/sunkit02/onebrc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunkit02/onebrc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunkit02%2Fonebrc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunkit02%2Fonebrc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05c90d6690481637bbd0d7788983e3b02c963fa9
[INFO] checking sunkit02/onebrc against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunkit02%2Fonebrc" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sunkit02/onebrc
[INFO] finished tweaking git repo https://github.com/sunkit02/onebrc
[INFO] tweaked toml for git repo https://github.com/sunkit02/onebrc written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sunkit02/onebrc on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sunkit02/onebrc 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c48a2f4d839ac1b3a8efb8bd5426ee61de53da3cd27f2b763da7c6221bfdd81a
[INFO] running `Command { std: "docker" "start" "-a" "c48a2f4d839ac1b3a8efb8bd5426ee61de53da3cd27f2b763da7c6221bfdd81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c48a2f4d839ac1b3a8efb8bd5426ee61de53da3cd27f2b763da7c6221bfdd81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c48a2f4d839ac1b3a8efb8bd5426ee61de53da3cd27f2b763da7c6221bfdd81a", kill_on_drop: false }`
[INFO] [stdout] c48a2f4d839ac1b3a8efb8bd5426ee61de53da3cd27f2b763da7c6221bfdd81a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b15cd9eb7481fe0a750fedaaa9cef4911829422921bfa043c9528cf7b18c0a74
[INFO] running `Command { std: "docker" "start" "-a" "b15cd9eb7481fe0a750fedaaa9cef4911829422921bfa043c9528cf7b18c0a74", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.118
[INFO] [stderr]     Checking plotters-backend v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking plotters-svg v0.3.6
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking plotters v0.3.6
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking onebrc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `count_lines_read_to_buf` is never used
[INFO] [stdout]    --> src/lib.rs:327:4
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn count_lines_read_to_buf(path: PathBuf) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_lines_read_line` is never used
[INFO] [stdout]    --> src/lib.rs:342:4
[INFO] [stdout]     |
[INFO] [stdout] 342 | fn count_lines_read_line(path: PathBuf) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_lines_concurrent` is never used
[INFO] [stdout]    --> src/lib.rs:350:4
[INFO] [stdout]     |
[INFO] [stdout] 350 | fn count_lines_concurrent(path: PathBuf, threads: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:293:5
[INFO] [stdout]     |
[INFO] [stdout] 293 |     PathBuf::from_str(path_str).expect("Failed to parse file path.")
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `onebrc` (lib) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b15cd9eb7481fe0a750fedaaa9cef4911829422921bfa043c9528cf7b18c0a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15cd9eb7481fe0a750fedaaa9cef4911829422921bfa043c9528cf7b18c0a74", kill_on_drop: false }`
[INFO] [stdout] b15cd9eb7481fe0a750fedaaa9cef4911829422921bfa043c9528cf7b18c0a74