[INFO] fetching crate muxml 0.1.3...
[INFO] testing muxml-0.1.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate muxml 0.1.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate muxml 0.1.3
[INFO] finished tweaking crates.io crate muxml 0.1.3
[INFO] tweaked toml for crates.io crate muxml 0.1.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate muxml 0.1.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding fraction v0.14.0 (available: v0.15.3)
[INFO] [stderr]       Adding quick-xml v0.30.0 (available: v0.38.3)
[INFO] [stderr]       Adding strum v0.25.0 (available: v0.27.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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] [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 31b535948e18497d5216265ff6edc1ccfa563bc9e555e32f518b0329c1f04e77
[INFO] running `Command { std: "docker" "start" "-a" "31b535948e18497d5216265ff6edc1ccfa563bc9e555e32f518b0329c1f04e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31b535948e18497d5216265ff6edc1ccfa563bc9e555e32f518b0329c1f04e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31b535948e18497d5216265ff6edc1ccfa563bc9e555e32f518b0329c1f04e77", kill_on_drop: false }`
[INFO] [stdout] 31b535948e18497d5216265ff6edc1ccfa563bc9e555e32f518b0329c1f04e77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3b4c323d51556a0dcc7ee87e6cc6fc1a688da6163665d571665cf0d3c1c078ca
[INFO] running `Command { std: "docker" "start" "-a" "3b4c323d51556a0dcc7ee87e6cc6fc1a688da6163665d571665cf0d3c1c078ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling fraction v0.14.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling quick-xml v0.30.0
[INFO] [stderr]    Compiling muxml v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.20s
[INFO] running `Command { std: "docker" "inspect" "3b4c323d51556a0dcc7ee87e6cc6fc1a688da6163665d571665cf0d3c1c078ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4c323d51556a0dcc7ee87e6cc6fc1a688da6163665d571665cf0d3c1c078ca", kill_on_drop: false }`
[INFO] [stdout] 3b4c323d51556a0dcc7ee87e6cc6fc1a688da6163665d571665cf0d3c1c078ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6179159e9b33b5b7f5682d07f07afcdbf01278b4ae51a0def7a144811cc47a98
[INFO] running `Command { std: "docker" "start" "-a" "6179159e9b33b5b7f5682d07f07afcdbf01278b4ae51a0def7a144811cc47a98", kill_on_drop: false }`
[INFO] [stderr]    Compiling muxml v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "6179159e9b33b5b7f5682d07f07afcdbf01278b4ae51a0def7a144811cc47a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6179159e9b33b5b7f5682d07f07afcdbf01278b4ae51a0def7a144811cc47a98", kill_on_drop: false }`
[INFO] [stdout] 6179159e9b33b5b7f5682d07f07afcdbf01278b4ae51a0def7a144811cc47a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 33b9fa7075364356ccf7ba37f8bbc97008dd62e8b492f61987fd6916da1950fe
[INFO] running `Command { std: "docker" "start" "-a" "33b9fa7075364356ccf7ba37f8bbc97008dd62e8b492f61987fd6916da1950fe", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/muxml-93b573ad5f520b57)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests muxml
[INFO] [stdout] test test::ser_test::test_encode_simple_musicxml ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "33b9fa7075364356ccf7ba37f8bbc97008dd62e8b492f61987fd6916da1950fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b9fa7075364356ccf7ba37f8bbc97008dd62e8b492f61987fd6916da1950fe", kill_on_drop: false }`
[INFO] [stdout] 33b9fa7075364356ccf7ba37f8bbc97008dd62e8b492f61987fd6916da1950fe