[INFO] cloning repository https://github.com/mfroeh/ngrams
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfroeh/ngrams" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfroeh%2Fngrams", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfroeh%2Fngrams'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1265ec66ddcc8f95a940baf28628a8b4bc3c1331
[INFO] testing mfroeh/ngrams against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfroeh%2Fngrams" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mfroeh/ngrams
[INFO] finished tweaking git repo https://github.com/mfroeh/ngrams
[INFO] tweaked toml for git repo https://github.com/mfroeh/ngrams written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mfroeh/ngrams on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mfroeh/ngrams 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79bbc4d803a06e5f4d6a7126249504251a9bcad52d99cea7df69c769979baa44
[INFO] running `Command { std: "docker" "start" "-a" "79bbc4d803a06e5f4d6a7126249504251a9bcad52d99cea7df69c769979baa44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79bbc4d803a06e5f4d6a7126249504251a9bcad52d99cea7df69c769979baa44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79bbc4d803a06e5f4d6a7126249504251a9bcad52d99cea7df69c769979baa44", kill_on_drop: false }`
[INFO] [stdout] 79bbc4d803a06e5f4d6a7126249504251a9bcad52d99cea7df69c769979baa44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34669814c95644f52cd212fef48b8f65338a17e673b7e5a11ef23ab19b6c299b
[INFO] running `Command { std: "docker" "start" "-a" "34669814c95644f52cd212fef48b8f65338a17e673b7e5a11ef23ab19b6c299b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling bstr v1.11.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling clap_builder v4.5.31
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling ignore v0.4.23
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling clap v4.5.31
[INFO] [stderr]    Compiling ngrams v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/main.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, fs, io, path::PathBuf, process::exit};
[INFO] [stdout]   |                                     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.48s
[INFO] running `Command { std: "docker" "inspect" "34669814c95644f52cd212fef48b8f65338a17e673b7e5a11ef23ab19b6c299b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34669814c95644f52cd212fef48b8f65338a17e673b7e5a11ef23ab19b6c299b", kill_on_drop: false }`
[INFO] [stdout] 34669814c95644f52cd212fef48b8f65338a17e673b7e5a11ef23ab19b6c299b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c856d660165b4d32e73579573c6c240104d56d1e7fc8c4d6199c90ab72ac2e3
[INFO] running `Command { std: "docker" "start" "-a" "7c856d660165b4d32e73579573c6c240104d56d1e7fc8c4d6199c90ab72ac2e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ngrams v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/main.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, fs, io, path::PathBuf, process::exit};
[INFO] [stdout]   |                                     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "7c856d660165b4d32e73579573c6c240104d56d1e7fc8c4d6199c90ab72ac2e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c856d660165b4d32e73579573c6c240104d56d1e7fc8c4d6199c90ab72ac2e3", kill_on_drop: false }`
[INFO] [stdout] 7c856d660165b4d32e73579573c6c240104d56d1e7fc8c4d6199c90ab72ac2e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8820597866ef8aec8da006c657fa0d0eca9b392218bf2a397f7c7e3c0079b371
[INFO] running `Command { std: "docker" "start" "-a" "8820597866ef8aec8da006c657fa0d0eca9b392218bf2a397f7c7e3c0079b371", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> src/main.rs:1:37
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashMap, fs, io, path::PathBuf, process::exit};
[INFO] [stderr]   |                                     ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ngrams` (bin "ngrams" test) generated 1 warning (run `cargo fix --bin "ngrams" -p ngrams --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ngrams-5f16d98efd696416)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8820597866ef8aec8da006c657fa0d0eca9b392218bf2a397f7c7e3c0079b371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8820597866ef8aec8da006c657fa0d0eca9b392218bf2a397f7c7e3c0079b371", kill_on_drop: false }`
[INFO] [stdout] 8820597866ef8aec8da006c657fa0d0eca9b392218bf2a397f7c7e3c0079b371
