[INFO] cloning repository https://github.com/Tapanito/rust_1brc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tapanito/rust_1brc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTapanito%2Frust_1brc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTapanito%2Frust_1brc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff7e2564a5eaf35969c45f164111642c4aae3270
[INFO] checking Tapanito/rust_1brc/ff7e2564a5eaf35969c45f164111642c4aae3270 against master#f8192ba0d00bbbc58a10c45823ba010e98ea4474 for pr-130531
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTapanito%2Frust_1brc" "/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/Tapanito/rust_1brc on toolchain f8192ba0d00bbbc58a10c45823ba010e98ea4474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8192ba0d00bbbc58a10c45823ba010e98ea4474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tapanito/rust_1brc
[INFO] finished tweaking git repo https://github.com/Tapanito/rust_1brc
[INFO] tweaked toml for git repo https://github.com/Tapanito/rust_1brc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Tapanito/rust_1brc 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" "+f8192ba0d00bbbc58a10c45823ba010e98ea4474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f8192ba0d00bbbc58a10c45823ba010e98ea4474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2b595c7555c583191f86317e35814b73e2f509480e4d1ec2a8ca8d5951515b4
[INFO] running `Command { std: "docker" "start" "-a" "e2b595c7555c583191f86317e35814b73e2f509480e4d1ec2a8ca8d5951515b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2b595c7555c583191f86317e35814b73e2f509480e4d1ec2a8ca8d5951515b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b595c7555c583191f86317e35814b73e2f509480e4d1ec2a8ca8d5951515b4", kill_on_drop: false }`
[INFO] [stdout] e2b595c7555c583191f86317e35814b73e2f509480e4d1ec2a8ca8d5951515b4
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f8192ba0d00bbbc58a10c45823ba010e98ea4474" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd819ea43624675caf5a367210fb2eee2311aeff0845d87d2a001b49d5760bc2
[INFO] running `Command { std: "docker" "start" "-a" "cd819ea43624675caf5a367210fb2eee2311aeff0845d87d2a001b49d5760bc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking rust_1bil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/single_thread.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/single_thread.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/single_thread.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Err(err) => break,
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/single_thread.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Err(err) => break,
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/single_thread.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |                     city.write_str(value);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |                     let _ = city.write_str(value);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/single_thread.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |                     city.write_str(value);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |                     let _ = city.write_str(value);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `Command { std: "docker" "inspect" "cd819ea43624675caf5a367210fb2eee2311aeff0845d87d2a001b49d5760bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd819ea43624675caf5a367210fb2eee2311aeff0845d87d2a001b49d5760bc2", kill_on_drop: false }`
[INFO] [stdout] cd819ea43624675caf5a367210fb2eee2311aeff0845d87d2a001b49d5760bc2