[INFO] fetching crate mutable-constant 0.1.0...
[INFO] testing mutable-constant-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mutable-constant 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mutable-constant 0.1.0
[INFO] finished tweaking crates.io crate mutable-constant 0.1.0
[INFO] tweaked toml for crates.io crate mutable-constant 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mutable-constant 0.1.0 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]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8bf6f3154fac05f6ce664ac9cc9845483f8cf9416e2a8e2549f04c5ae82afc4f
[INFO] running `Command { std: "docker" "start" "-a" "8bf6f3154fac05f6ce664ac9cc9845483f8cf9416e2a8e2549f04c5ae82afc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf6f3154fac05f6ce664ac9cc9845483f8cf9416e2a8e2549f04c5ae82afc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf6f3154fac05f6ce664ac9cc9845483f8cf9416e2a8e2549f04c5ae82afc4f", kill_on_drop: false }`
[INFO] [stdout] 8bf6f3154fac05f6ce664ac9cc9845483f8cf9416e2a8e2549f04c5ae82afc4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5b9ed41bed5fb099ece490c4023dbbc28b72ca607a9dad4aa52ebe7c0bd301f2
[INFO] running `Command { std: "docker" "start" "-a" "5b9ed41bed5fb099ece490c4023dbbc28b72ca607a9dad4aa52ebe7c0bd301f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutable-constant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "5b9ed41bed5fb099ece490c4023dbbc28b72ca607a9dad4aa52ebe7c0bd301f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9ed41bed5fb099ece490c4023dbbc28b72ca607a9dad4aa52ebe7c0bd301f2", kill_on_drop: false }`
[INFO] [stdout] 5b9ed41bed5fb099ece490c4023dbbc28b72ca607a9dad4aa52ebe7c0bd301f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3503b5362a66ebcf0781d4fdbb4ff55d1329073ad7e681baf147d15983e83556
[INFO] running `Command { std: "docker" "start" "-a" "3503b5362a66ebcf0781d4fdbb4ff55d1329073ad7e681baf147d15983e83556", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutable-constant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "3503b5362a66ebcf0781d4fdbb4ff55d1329073ad7e681baf147d15983e83556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3503b5362a66ebcf0781d4fdbb4ff55d1329073ad7e681baf147d15983e83556", kill_on_drop: false }`
[INFO] [stdout] 3503b5362a66ebcf0781d4fdbb4ff55d1329073ad7e681baf147d15983e83556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] dde57ed9d1c8e8f60d9fe19a8d8b48a478a7bc1af4d1cb09f99f602adbe83caf
[INFO] running `Command { std: "docker" "start" "-a" "dde57ed9d1c8e8f60d9fe19a8d8b48a478a7bc1af4d1cb09f99f602adbe83caf", 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/mutable_constant-d8824370c93e6ce5)
[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]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-287e9ff22a645a59)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test constant_access ... ok
[INFO] [stdout] test mutable_access ... ok
[INFO] [stdout] test mutate_constant_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ops.rs (/opt/rustwide/target/debug/deps/ops-0f1ff35a78e88211)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test basic_add ... 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] [stderr]    Doc-tests mutable_constant
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Mc<T>::as_defiant_mut (line 66) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - Mc<T>::new (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dde57ed9d1c8e8f60d9fe19a8d8b48a478a7bc1af4d1cb09f99f602adbe83caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde57ed9d1c8e8f60d9fe19a8d8b48a478a7bc1af4d1cb09f99f602adbe83caf", kill_on_drop: false }`
[INFO] [stdout] dde57ed9d1c8e8f60d9fe19a8d8b48a478a7bc1af4d1cb09f99f602adbe83caf