[INFO] fetching crate monc 0.1.0...
[INFO] testing monc-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate monc 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate monc 0.1.0
[INFO] finished tweaking crates.io crate monc 0.1.0
[INFO] tweaked toml for crates.io crate monc 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate monc 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e5a75d6bb9cd282679cabb53b999a27f053a21ab90535dd620c440062502be5
[INFO] running `Command { std: "docker" "start" "-a" "2e5a75d6bb9cd282679cabb53b999a27f053a21ab90535dd620c440062502be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e5a75d6bb9cd282679cabb53b999a27f053a21ab90535dd620c440062502be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e5a75d6bb9cd282679cabb53b999a27f053a21ab90535dd620c440062502be5", kill_on_drop: false }`
[INFO] [stdout] 2e5a75d6bb9cd282679cabb53b999a27f053a21ab90535dd620c440062502be5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f872c81e1bc97f5adec9a7a04f83d1679c4474663f15e9c5965588f5e20891f
[INFO] running `Command { std: "docker" "start" "-a" "7f872c81e1bc97f5adec9a7a04f83d1679c4474663f15e9c5965588f5e20891f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling griddle v0.5.2
[INFO] [stderr]    Compiling ritelinked v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling monk-macro v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling monc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.75s
[INFO] running `Command { std: "docker" "inspect" "7f872c81e1bc97f5adec9a7a04f83d1679c4474663f15e9c5965588f5e20891f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f872c81e1bc97f5adec9a7a04f83d1679c4474663f15e9c5965588f5e20891f", kill_on_drop: false }`
[INFO] [stdout] 7f872c81e1bc97f5adec9a7a04f83d1679c4474663f15e9c5965588f5e20891f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b19d3175cee45737599a6ba21062f5a3bddc37b91b71229d416adecab7be88bd
[INFO] running `Command { std: "docker" "start" "-a" "b19d3175cee45737599a6ba21062f5a3bddc37b91b71229d416adecab7be88bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling monc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "b19d3175cee45737599a6ba21062f5a3bddc37b91b71229d416adecab7be88bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19d3175cee45737599a6ba21062f5a3bddc37b91b71229d416adecab7be88bd", kill_on_drop: false }`
[INFO] [stdout] b19d3175cee45737599a6ba21062f5a3bddc37b91b71229d416adecab7be88bd
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] abe7f886781db964832d422aa965e7879b6cb530b6806bc4e0bf6504c6520c0f
[INFO] running `Command { std: "docker" "start" "-a" "abe7f886781db964832d422aa965e7879b6cb530b6806bc4e0bf6504c6520c0f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/monc-fca9409aa1fa7187)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::example ... FAILED
[INFO] [stdout] test test::gold_farm ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::example stdout ----
[INFO] [stdout] Compound {
[INFO] [stdout]     end: End,
[INFO] [stdout]     value: {
[INFO] [stdout]         String {
[INFO] [stdout]             length: 1,
[INFO] [stdout]             value: "a",
[INFO] [stdout]         }: Int(
[INFO] [stdout]             0,
[INFO] [stdout]         ),
[INFO] [stdout]         String {
[INFO] [stdout]             length: 1,
[INFO] [stdout]             value: "c",
[INFO] [stdout]         }: Float(
[INFO] [stdout]             0.1,
[INFO] [stdout]         ),
[INFO] [stdout]     },
[INFO] [stdout] }
[INFO] [stdout] Error: IO(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::example
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "abe7f886781db964832d422aa965e7879b6cb530b6806bc4e0bf6504c6520c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe7f886781db964832d422aa965e7879b6cb530b6806bc4e0bf6504c6520c0f", kill_on_drop: false }`
[INFO] [stdout] abe7f886781db964832d422aa965e7879b6cb530b6806bc4e0bf6504c6520c0f