[INFO] fetching crate matchmaker 0.1.0...
[INFO] testing matchmaker-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] extracting crate matchmaker 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate matchmaker 0.1.0
[INFO] finished tweaking crates.io crate matchmaker 0.1.0
[INFO] tweaked toml for crates.io crate matchmaker 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate matchmaker 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate matchmaker 0.1.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.41
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da96b445cfb8a81f68412694cf5ed9aa0bfd6766b4775cc60e93f5bdd2e782ef
[INFO] running `Command { std: "docker" "start" "-a" "da96b445cfb8a81f68412694cf5ed9aa0bfd6766b4775cc60e93f5bdd2e782ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da96b445cfb8a81f68412694cf5ed9aa0bfd6766b4775cc60e93f5bdd2e782ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da96b445cfb8a81f68412694cf5ed9aa0bfd6766b4775cc60e93f5bdd2e782ef", kill_on_drop: false }`
[INFO] [stdout] da96b445cfb8a81f68412694cf5ed9aa0bfd6766b4775cc60e93f5bdd2e782ef
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 3597e150d9837e2ca3ba3b8942833b63988b3fe0e7f6baa87f2a5b59bb211c1b
[INFO] running `Command { std: "docker" "start" "-a" "3597e150d9837e2ca3ba3b8942833b63988b3fe0e7f6baa87f2a5b59bb211c1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling matchmaker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.79s
[INFO] running `Command { std: "docker" "inspect" "3597e150d9837e2ca3ba3b8942833b63988b3fe0e7f6baa87f2a5b59bb211c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3597e150d9837e2ca3ba3b8942833b63988b3fe0e7f6baa87f2a5b59bb211c1b", kill_on_drop: false }`
[INFO] [stdout] 3597e150d9837e2ca3ba3b8942833b63988b3fe0e7f6baa87f2a5b59bb211c1b
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4099abea5b2581eef58b96a2e5bd5a33e3c3bd9132be43ee9d8032922c361de3
[INFO] running `Command { std: "docker" "start" "-a" "4099abea5b2581eef58b96a2e5bd5a33e3c3bd9132be43ee9d8032922c361de3", kill_on_drop: false }`
[INFO] [stderr]    Compiling matchmaker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "4099abea5b2581eef58b96a2e5bd5a33e3c3bd9132be43ee9d8032922c361de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4099abea5b2581eef58b96a2e5bd5a33e3c3bd9132be43ee9d8032922c361de3", kill_on_drop: false }`
[INFO] [stdout] 4099abea5b2581eef58b96a2e5bd5a33e3c3bd9132be43ee9d8032922c361de3
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6956d8e6f26bbb17891a358d03af494ec7d419919088bf5f58bc207134e2a04d
[INFO] running `Command { std: "docker" "start" "-a" "6956d8e6f26bbb17891a358d03af494ec7d419919088bf5f58bc207134e2a04d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/matchmaker-be243f339c074463)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test da_stb::tests::test_assign_random_exclude ... ok
[INFO] [stdout] test da_stb::tests::test_draw_order ... ok
[INFO] [stdout] test da_stb::tests::test_place_students ... ok
[INFO] [stdout] test da_stb::tests::test_truncate_categories ... ok
[INFO] [stdout] test da_stb::tests::test_place_students_with_exclude ... ok
[INFO] [stdout] test da_stb::tests::assign_random_full ... ok
[INFO] [stdout] test da_stb::tests::test_assign_random ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/da_stb.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/da_stb-02ab78a42cb5a7d9)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_match_students_not_enough_places ... ok
[INFO] [stdout] test test_match_students_to_multiple_categories_not_enough_places ... ok
[INFO] [stdout] test test_match_students_to_multiple_categories_more_than_enough_places ... ok
[INFO] [stdout] test test_match_students_to_multiple_categories ... ok
[INFO] [stdout] test test_match_students ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6956d8e6f26bbb17891a358d03af494ec7d419919088bf5f58bc207134e2a04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6956d8e6f26bbb17891a358d03af494ec7d419919088bf5f58bc207134e2a04d", kill_on_drop: false }`
[INFO] [stdout] 6956d8e6f26bbb17891a358d03af494ec7d419919088bf5f58bc207134e2a04d