[INFO] fetching crate mux_attrs 0.1.0...
[INFO] testing mux_attrs-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mux_attrs 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mux_attrs 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mux_attrs 0.1.0
[INFO] tweaked toml for crates.io crate mux_attrs 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mux_attrs 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] crate crates.io crate mux_attrs 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" "+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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3d9613ced7ed93795e81a663ce82ab84f8ea0556ad2085f501a7b327eea7a6fd
[INFO] running `Command { std: "docker" "start" "-a" "3d9613ced7ed93795e81a663ce82ab84f8ea0556ad2085f501a7b327eea7a6fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d9613ced7ed93795e81a663ce82ab84f8ea0556ad2085f501a7b327eea7a6fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9613ced7ed93795e81a663ce82ab84f8ea0556ad2085f501a7b327eea7a6fd", kill_on_drop: false }`
[INFO] [stdout] 3d9613ced7ed93795e81a663ce82ab84f8ea0556ad2085f501a7b327eea7a6fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 74d53f41f46c8986258dbf0c99fdb1fa45cd63957fce0dd898d540f4bb65934c
[INFO] running `Command { std: "docker" "start" "-a" "74d53f41f46c8986258dbf0c99fdb1fa45cd63957fce0dd898d540f4bb65934c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling mux_attrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "74d53f41f46c8986258dbf0c99fdb1fa45cd63957fce0dd898d540f4bb65934c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d53f41f46c8986258dbf0c99fdb1fa45cd63957fce0dd898d540f4bb65934c", kill_on_drop: false }`
[INFO] [stdout] 74d53f41f46c8986258dbf0c99fdb1fa45cd63957fce0dd898d540f4bb65934c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 82aea782ddaf7d7663a49cafa904e7ede0451a35c2e48223a335f94b7b69757f
[INFO] running `Command { std: "docker" "start" "-a" "82aea782ddaf7d7663a49cafa904e7ede0451a35c2e48223a335f94b7b69757f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling mux_attrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "82aea782ddaf7d7663a49cafa904e7ede0451a35c2e48223a335f94b7b69757f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82aea782ddaf7d7663a49cafa904e7ede0451a35c2e48223a335f94b7b69757f", kill_on_drop: false }`
[INFO] [stdout] 82aea782ddaf7d7663a49cafa904e7ede0451a35c2e48223a335f94b7b69757f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1f39023d3c3c150b8f5063567b3440ae79f47c1177a0aaaadcd945c951df92fc
[INFO] running `Command { std: "docker" "start" "-a" "1f39023d3c3c150b8f5063567b3440ae79f47c1177a0aaaadcd945c951df92fc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mux_attrs-c78a07917992e8e4)
[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] [stderr]    Doc-tests mux_attrs
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.59s; merged doctests compilation took 0.54s
[INFO] running `Command { std: "docker" "inspect" "1f39023d3c3c150b8f5063567b3440ae79f47c1177a0aaaadcd945c951df92fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f39023d3c3c150b8f5063567b3440ae79f47c1177a0aaaadcd945c951df92fc", kill_on_drop: false }`
[INFO] [stdout] 1f39023d3c3c150b8f5063567b3440ae79f47c1177a0aaaadcd945c951df92fc