[INFO] cloning repository https://github.com/kolloch/digits-differ
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kolloch/digits-differ" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolloch%2Fdigits-differ", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolloch%2Fdigits-differ'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2de412ec1fd43d7941a22e9f8aa51965dadbcf52
[INFO] testing kolloch/digits-differ against beta-2025-04-13 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolloch%2Fdigits-differ" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kolloch/digits-differ on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/kolloch/digits-differ
[INFO] finished tweaking git repo https://github.com/kolloch/digits-differ
[INFO] tweaked toml for git repo https://github.com/kolloch/digits-differ written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kolloch/digits-differ 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-2025-04-13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66ad61ac31c71a15bcf4f6a811c112f17e79c92c652edf5806ec8b0679bbff1a
[INFO] running `Command { std: "docker" "start" "-a" "66ad61ac31c71a15bcf4f6a811c112f17e79c92c652edf5806ec8b0679bbff1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66ad61ac31c71a15bcf4f6a811c112f17e79c92c652edf5806ec8b0679bbff1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ad61ac31c71a15bcf4f6a811c112f17e79c92c652edf5806ec8b0679bbff1a", kill_on_drop: false }`
[INFO] [stdout] 66ad61ac31c71a15bcf4f6a811c112f17e79c92c652edf5806ec8b0679bbff1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48b0fc9e40e7b37a7e2ad4fd865bdafe6c08140a5062009dd352b30ff234d9d8
[INFO] running `Command { std: "docker" "start" "-a" "48b0fc9e40e7b37a7e2ad4fd865bdafe6c08140a5062009dd352b30ff234d9d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling vob v2.0.4
[INFO] [stderr]    Compiling numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/main.rs:189:15
[INFO] [stdout]     |
[INFO] [stdout] 189 |     buf: [u8; (N_DIGITS+1)],
[INFO] [stdout]     |               ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 189 -     buf: [u8; (N_DIGITS+1)],
[INFO] [stdout] 189 +     buf: [u8; N_DIGITS+1],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WriteNumEasy` is never constructed
[INFO] [stdout]    --> src/main.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | struct WriteNumEasy;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `WriteNumEasy` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "48b0fc9e40e7b37a7e2ad4fd865bdafe6c08140a5062009dd352b30ff234d9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b0fc9e40e7b37a7e2ad4fd865bdafe6c08140a5062009dd352b30ff234d9d8", kill_on_drop: false }`
[INFO] [stdout] 48b0fc9e40e7b37a7e2ad4fd865bdafe6c08140a5062009dd352b30ff234d9d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c3a1d1d24061955f8fd5dc7dc5734993db30eb569695092bdd35de2590820ae
[INFO] running `Command { std: "docker" "start" "-a" "3c3a1d1d24061955f8fd5dc7dc5734993db30eb569695092bdd35de2590820ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling vob v2.0.4
[INFO] [stderr]    Compiling numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/main.rs:189:15
[INFO] [stdout]     |
[INFO] [stdout] 189 |     buf: [u8; (N_DIGITS+1)],
[INFO] [stdout]     |               ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 189 -     buf: [u8; (N_DIGITS+1)],
[INFO] [stdout] 189 +     buf: [u8; N_DIGITS+1],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "3c3a1d1d24061955f8fd5dc7dc5734993db30eb569695092bdd35de2590820ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3a1d1d24061955f8fd5dc7dc5734993db30eb569695092bdd35de2590820ae", kill_on_drop: false }`
[INFO] [stdout] 3c3a1d1d24061955f8fd5dc7dc5734993db30eb569695092bdd35de2590820ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e40447cd1c82d65563e47e3b7c9af6c9168fc77ffe564288b6b2241cd2e0158c
[INFO] running `Command { std: "docker" "start" "-a" "e40447cd1c82d65563e47e3b7c9af6c9168fc77ffe564288b6b2241cd2e0158c", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/main.rs:189:15
[INFO] [stderr]     |
[INFO] [stderr] 189 |     buf: [u8; (N_DIGITS+1)],
[INFO] [stderr]     |               ^          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 189 -     buf: [u8; (N_DIGITS+1)],
[INFO] [stderr] 189 +     buf: [u8; N_DIGITS+1],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `numbers` (bin "numbers" test) generated 1 warning (run `cargo fix --bin "numbers" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/numbers-d8d293c02ae54b80)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_two_digits ... ok
[INFO] [stdout] test test_write_num_reverse ... ok
[INFO] [stdout] test test_three_digits ... ok
[INFO] [stdout] test test_write_num_easy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e40447cd1c82d65563e47e3b7c9af6c9168fc77ffe564288b6b2241cd2e0158c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e40447cd1c82d65563e47e3b7c9af6c9168fc77ffe564288b6b2241cd2e0158c", kill_on_drop: false }`
[INFO] [stdout] e40447cd1c82d65563e47e3b7c9af6c9168fc77ffe564288b6b2241cd2e0158c