[INFO] fetching crate maybe-once 0.17.4...
[INFO] testing maybe-once-0.17.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate maybe-once 0.17.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate maybe-once 0.17.4
[INFO] finished tweaking crates.io crate maybe-once 0.17.4
[INFO] tweaked toml for crates.io crate maybe-once 0.17.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate maybe-once 0.17.4 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 maybe-once 0.17.4 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4efd99bb464a86def5b016f8c66066e05b55ca5330deea0c7c02d16f3bf836e
[INFO] running `Command { std: "docker" "start" "-a" "e4efd99bb464a86def5b016f8c66066e05b55ca5330deea0c7c02d16f3bf836e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4efd99bb464a86def5b016f8c66066e05b55ca5330deea0c7c02d16f3bf836e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4efd99bb464a86def5b016f8c66066e05b55ca5330deea0c7c02d16f3bf836e", kill_on_drop: false }`
[INFO] [stdout] e4efd99bb464a86def5b016f8c66066e05b55ca5330deea0c7c02d16f3bf836e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85f990940cf9d99cd5b1e41b5590024c3fc7e20001763e2f792019f5643f2bc1
[INFO] running `Command { std: "docker" "start" "-a" "85f990940cf9d99cd5b1e41b5590024c3fc7e20001763e2f792019f5643f2bc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling maybe-once v0.17.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "85f990940cf9d99cd5b1e41b5590024c3fc7e20001763e2f792019f5643f2bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f990940cf9d99cd5b1e41b5590024c3fc7e20001763e2f792019f5643f2bc1", kill_on_drop: false }`
[INFO] [stdout] 85f990940cf9d99cd5b1e41b5590024c3fc7e20001763e2f792019f5643f2bc1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5346d8341eb966045ed41813a87662f566c0939e086978e42bdcbbe775e8a530
[INFO] running `Command { std: "docker" "start" "-a" "5346d8341eb966045ed41813a87662f566c0939e086978e42bdcbbe775e8a530", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling maybe-once v0.17.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.90s
[INFO] running `Command { std: "docker" "inspect" "5346d8341eb966045ed41813a87662f566c0939e086978e42bdcbbe775e8a530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5346d8341eb966045ed41813a87662f566c0939e086978e42bdcbbe775e8a530", kill_on_drop: false }`
[INFO] [stdout] 5346d8341eb966045ed41813a87662f566c0939e086978e42bdcbbe775e8a530
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5ce9533899c89c637871166a4712bef954d8a33fa997bc9975346bdcd9f227d
[INFO] running `Command { std: "docker" "start" "-a" "b5ce9533899c89c637871166a4712bef954d8a33fa997bc9975346bdcd9f227d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maybe_once-1839e2c88488d1ed)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test blocking::test::should_execute_serially ... ok
[INFO] [stderr]    Doc-tests maybe_once
[INFO] [stdout] test blocking::test::should_execute_in_parallel ... 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] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/blocking.rs - blocking::MaybeOnce (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5ce9533899c89c637871166a4712bef954d8a33fa997bc9975346bdcd9f227d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ce9533899c89c637871166a4712bef954d8a33fa997bc9975346bdcd9f227d", kill_on_drop: false }`
[INFO] [stdout] b5ce9533899c89c637871166a4712bef954d8a33fa997bc9975346bdcd9f227d