[INFO] fetching crate melcome 0.0.1...
[INFO] testing melcome-0.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate melcome 0.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate melcome 0.0.1
[INFO] finished tweaking crates.io crate melcome 0.0.1
[INFO] tweaked toml for crates.io crate melcome 0.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate melcome 0.0.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate melcome 0.0.1 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6073ab5f5144dbac9fb01000d8bd788385b01510f8b16ddc2ad4996b5ead1e55
[INFO] running `Command { std: "docker" "start" "-a" "6073ab5f5144dbac9fb01000d8bd788385b01510f8b16ddc2ad4996b5ead1e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6073ab5f5144dbac9fb01000d8bd788385b01510f8b16ddc2ad4996b5ead1e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6073ab5f5144dbac9fb01000d8bd788385b01510f8b16ddc2ad4996b5ead1e55", kill_on_drop: false }`
[INFO] [stdout] 6073ab5f5144dbac9fb01000d8bd788385b01510f8b16ddc2ad4996b5ead1e55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7be74f4d70068219d75b6cfe56918e401a0cb234a8a392367d6da58e0594ee7f
[INFO] running `Command { std: "docker" "start" "-a" "7be74f4d70068219d75b6cfe56918e401a0cb234a8a392367d6da58e0594ee7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling uuid v1.1.2
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling ang v0.6.0
[INFO] [stderr]    Compiling melcome v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "7be74f4d70068219d75b6cfe56918e401a0cb234a8a392367d6da58e0594ee7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be74f4d70068219d75b6cfe56918e401a0cb234a8a392367d6da58e0594ee7f", kill_on_drop: false }`
[INFO] [stdout] 7be74f4d70068219d75b6cfe56918e401a0cb234a8a392367d6da58e0594ee7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7ee71dcceec7782c9651fdee00c1d55793cc6cc3d87c497780cc1791a54e5f7
[INFO] running `Command { std: "docker" "start" "-a" "f7ee71dcceec7782c9651fdee00c1d55793cc6cc3d87c497780cc1791a54e5f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling melcome v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/io.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut expr3 = epr1.sniff(url4);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "f7ee71dcceec7782c9651fdee00c1d55793cc6cc3d87c497780cc1791a54e5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ee71dcceec7782c9651fdee00c1d55793cc6cc3d87c497780cc1791a54e5f7", kill_on_drop: false }`
[INFO] [stdout] f7ee71dcceec7782c9651fdee00c1d55793cc6cc3d87c497780cc1791a54e5f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80da989fb58e3997e2833d267a7215e972403d297d3ea17b85676a1f1031c2b4
[INFO] running `Command { std: "docker" "start" "-a" "80da989fb58e3997e2833d267a7215e972403d297d3ea17b85676a1f1031c2b4", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/io.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut expr3 = epr1.sniff(url4);
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `melcome` (example "io") generated 1 warning (run `cargo fix --example "io" -p melcome` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/melcome-6494e40654aa7364)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/melcome-098dc2c5623f2179)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests melcome
[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] [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" "80da989fb58e3997e2833d267a7215e972403d297d3ea17b85676a1f1031c2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80da989fb58e3997e2833d267a7215e972403d297d3ea17b85676a1f1031c2b4", kill_on_drop: false }`
[INFO] [stdout] 80da989fb58e3997e2833d267a7215e972403d297d3ea17b85676a1f1031c2b4