[INFO] fetching crate sonogram 0.7.3...
[INFO] testing sonogram-0.7.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate sonogram 0.7.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate sonogram 0.7.3
[INFO] finished tweaking crates.io crate sonogram 0.7.3
[INFO] tweaked toml for crates.io crate sonogram 0.7.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sonogram 0.7.3 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sonogram 0.7.3 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36cf259104f0bb5ad8532025bc96f790eca2a4a3a558342d93334b0046c32d99
[INFO] running `Command { std: "docker" "start" "-a" "36cf259104f0bb5ad8532025bc96f790eca2a4a3a558342d93334b0046c32d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36cf259104f0bb5ad8532025bc96f790eca2a4a3a558342d93334b0046c32d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36cf259104f0bb5ad8532025bc96f790eca2a4a3a558342d93334b0046c32d99", kill_on_drop: false }`
[INFO] [stdout] 36cf259104f0bb5ad8532025bc96f790eca2a4a3a558342d93334b0046c32d99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7722e0dad5487363460cd95e768e9d4b873736c3d13e92c327259a37bde76dbc
[INFO] running `Command { std: "docker" "start" "-a" "7722e0dad5487363460cd95e768e9d4b873736c3d13e92c327259a37bde76dbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling primal-check v0.3.1
[INFO] [stderr]    Compiling transpose v0.2.1
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling rustfft v6.0.1
[INFO] [stderr]    Compiling resize v0.8.8
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling sonogram v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.82s
[INFO] running `Command { std: "docker" "inspect" "7722e0dad5487363460cd95e768e9d4b873736c3d13e92c327259a37bde76dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7722e0dad5487363460cd95e768e9d4b873736c3d13e92c327259a37bde76dbc", kill_on_drop: false }`
[INFO] [stdout] 7722e0dad5487363460cd95e768e9d4b873736c3d13e92c327259a37bde76dbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66c9a971f7acd8ea9d20c764c13975ad1b3fc8baf0bf0840719c86f1317e49b4
[INFO] running `Command { std: "docker" "start" "-a" "66c9a971f7acd8ea9d20c764c13975ad1b3fc8baf0bf0840719c86f1317e49b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sonogram v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "66c9a971f7acd8ea9d20c764c13975ad1b3fc8baf0bf0840719c86f1317e49b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c9a971f7acd8ea9d20c764c13975ad1b3fc8baf0bf0840719c86f1317e49b4", kill_on_drop: false }`
[INFO] [stdout] 66c9a971f7acd8ea9d20c764c13975ad1b3fc8baf0bf0840719c86f1317e49b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81866fb8a67022088efb2b4bf7ee0b5d97ac53ef7e65e80e3751bf963ea288d8
[INFO] running `Command { std: "docker" "start" "-a" "81866fb8a67022088efb2b4bf7ee0b5d97ac53ef7e65e80e3751bf963ea288d8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sonogram-6e2af877b9ac0401)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test colour_gradient::tests::test_min_max ... ok
[INFO] [stdout] test tests::test_integrate ... ok
[INFO] [stdout] test tests::test_from_raw ... ok
[INFO] [stdout] test colour_gradient::tests::get_colour ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sonogram
[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" "81866fb8a67022088efb2b4bf7ee0b5d97ac53ef7e65e80e3751bf963ea288d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81866fb8a67022088efb2b4bf7ee0b5d97ac53ef7e65e80e3751bf963ea288d8", kill_on_drop: false }`
[INFO] [stdout] 81866fb8a67022088efb2b4bf7ee0b5d97ac53ef7e65e80e3751bf963ea288d8