[INFO] cloning repository https://github.com/ffloyd/pair_gen [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ffloyd/pair_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffloyd%2Fpair_gen", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffloyd%2Fpair_gen'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3110389bfb577a3a9c894bbbd2c496ee6b69d74e [INFO] testing ffloyd/pair_gen against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffloyd%2Fpair_gen" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ffloyd/pair_gen [INFO] finished tweaking git repo https://github.com/ffloyd/pair_gen [INFO] tweaked toml for git repo https://github.com/ffloyd/pair_gen written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ffloyd/pair_gen on toolchain c066bf6804adc55193b71afdff6a56922f4a8689 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ffloyd/pair_gen 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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fbd18ca88ec09f79da683b4dd8ecaf124fb517ec6277f43d1837fe81d87167b1 [INFO] running `Command { std: "docker" "start" "-a" "fbd18ca88ec09f79da683b4dd8ecaf124fb517ec6277f43d1837fe81d87167b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fbd18ca88ec09f79da683b4dd8ecaf124fb517ec6277f43d1837fe81d87167b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbd18ca88ec09f79da683b4dd8ecaf124fb517ec6277f43d1837fe81d87167b1", kill_on_drop: false }` [INFO] [stdout] fbd18ca88ec09f79da683b4dd8ecaf124fb517ec6277f43d1837fe81d87167b1 [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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] bd2c63ad6b437f0c28ca1258aa2b675e37c837d4aff2ad092eeb6620a9b94f4e [INFO] running `Command { std: "docker" "start" "-a" "bd2c63ad6b437f0c28ca1258aa2b675e37c837d4aff2ad092eeb6620a9b94f4e", kill_on_drop: false }` [INFO] [stderr] Compiling pair_gen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `names` [INFO] [stdout] --> src/main.rs:297:9 [INFO] [stdout] | [INFO] [stdout] 297 | let names = Set::from([ [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_names` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exp` [INFO] [stdout] --> src/main.rs:306:9 [INFO] [stdout] | [INFO] [stdout] 306 | let exp = Set::from(["Erik", "Iuri", "Max", "Moritz", "Tuomo", "Ema"]); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_exp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `exclude` is never used [INFO] [stdout] --> src/main.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 61 | impl History { [INFO] [stdout] | ------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 92 | fn exclude(&mut self, pairs: &Set<(T, T)>) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s [INFO] running `Command { std: "docker" "inspect" "bd2c63ad6b437f0c28ca1258aa2b675e37c837d4aff2ad092eeb6620a9b94f4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd2c63ad6b437f0c28ca1258aa2b675e37c837d4aff2ad092eeb6620a9b94f4e", kill_on_drop: false }` [INFO] [stdout] bd2c63ad6b437f0c28ca1258aa2b675e37c837d4aff2ad092eeb6620a9b94f4e [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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 24cd17d60225577e9d849a4b03886b0c277450dda7532f1dcf7953075e00116a [INFO] running `Command { std: "docker" "start" "-a" "24cd17d60225577e9d849a4b03886b0c277450dda7532f1dcf7953075e00116a", kill_on_drop: false }` [INFO] [stderr] Compiling pair_gen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `names` [INFO] [stdout] --> src/main.rs:297:9 [INFO] [stdout] | [INFO] [stdout] 297 | let names = Set::from([ [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_names` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exp` [INFO] [stdout] --> src/main.rs:306:9 [INFO] [stdout] | [INFO] [stdout] 306 | let exp = Set::from(["Erik", "Iuri", "Max", "Moritz", "Tuomo", "Ema"]); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_exp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `exclude` is never used [INFO] [stdout] --> src/main.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 61 | impl History { [INFO] [stdout] | ------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 92 | fn exclude(&mut self, pairs: &Set<(T, T)>) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s [INFO] running `Command { std: "docker" "inspect" "24cd17d60225577e9d849a4b03886b0c277450dda7532f1dcf7953075e00116a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24cd17d60225577e9d849a4b03886b0c277450dda7532f1dcf7953075e00116a", kill_on_drop: false }` [INFO] [stdout] 24cd17d60225577e9d849a4b03886b0c277450dda7532f1dcf7953075e00116a [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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] b57d922c4fbb218a8ce8bd6e0e514768afcbdee9ae8e541280b8ed67f019229c [INFO] running `Command { std: "docker" "start" "-a" "b57d922c4fbb218a8ce8bd6e0e514768afcbdee9ae8e541280b8ed67f019229c", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `names` [INFO] [stderr] --> src/main.rs:297:9 [INFO] [stderr] | [INFO] [stderr] 297 | let names = Set::from([ [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_names` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `exp` [INFO] [stderr] --> src/main.rs:306:9 [INFO] [stderr] | [INFO] [stderr] 306 | let exp = Set::from(["Erik", "Iuri", "Max", "Moritz", "Tuomo", "Ema"]); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_exp` [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: method `exclude` is never used [INFO] [stdout] running 5 tests [INFO] [stderr] --> src/main.rs:92:8 [INFO] [stdout] test tests::history_to_pairs ... ok [INFO] [stderr] | [INFO] [stdout] test tests::possible_distribution_for_4_items ... ok [INFO] [stderr] 61 | impl History { [INFO] [stdout] test tests::all_pairs_for_3_items ... ok [INFO] [stderr] | ------------------------------ method in this implementation [INFO] [stderr] ... [INFO] [stderr] 92 | fn exclude(&mut self, pairs: &Set<(T, T)>) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `pair_gen` (bin "pair_gen" test) generated 3 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/pair_gen-bee98e9a8baf21a4) [INFO] [stdout] test tests::history_forget ... ok [INFO] [stdout] test tests::best_next_distribution_simple_case ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b57d922c4fbb218a8ce8bd6e0e514768afcbdee9ae8e541280b8ed67f019229c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b57d922c4fbb218a8ce8bd6e0e514768afcbdee9ae8e541280b8ed67f019229c", kill_on_drop: false }` [INFO] [stdout] b57d922c4fbb218a8ce8bd6e0e514768afcbdee9ae8e541280b8ed67f019229c