[INFO] fetching crate once 0.3.4...
[INFO] testing once-0.3.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate once 0.3.4 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate once 0.3.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate once 0.3.4
[INFO] finished tweaking crates.io crate once 0.3.4
[INFO] tweaked toml for crates.io crate once 0.3.4 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43174ce9f2d8328efab95d0e6654ac97982c494f16b5e5d959a7fb0a5620b864
[INFO] running `Command { std: "docker" "start" "-a" "43174ce9f2d8328efab95d0e6654ac97982c494f16b5e5d959a7fb0a5620b864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43174ce9f2d8328efab95d0e6654ac97982c494f16b5e5d959a7fb0a5620b864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43174ce9f2d8328efab95d0e6654ac97982c494f16b5e5d959a7fb0a5620b864", kill_on_drop: false }`
[INFO] [stdout] 43174ce9f2d8328efab95d0e6654ac97982c494f16b5e5d959a7fb0a5620b864
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c3cfd2adb0d4fd1b2c4d55347fea80296efb29bf0f5a311cd390549f8b65315
[INFO] running `Command { std: "docker" "start" "-a" "6c3cfd2adb0d4fd1b2c4d55347fea80296efb29bf0f5a311cd390549f8b65315", kill_on_drop: false }`
[INFO] [stderr]    Compiling once v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "6c3cfd2adb0d4fd1b2c4d55347fea80296efb29bf0f5a311cd390549f8b65315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3cfd2adb0d4fd1b2c4d55347fea80296efb29bf0f5a311cd390549f8b65315", kill_on_drop: false }`
[INFO] [stdout] 6c3cfd2adb0d4fd1b2c4d55347fea80296efb29bf0f5a311cd390549f8b65315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05a722e2f786cbc51a0ec8e650eaf0c59e84780d0142eb0cb9895acf1917b126
[INFO] running `Command { std: "docker" "start" "-a" "05a722e2f786cbc51a0ec8e650eaf0c59e84780d0142eb0cb9895acf1917b126", kill_on_drop: false }`
[INFO] [stderr]    Compiling once v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "05a722e2f786cbc51a0ec8e650eaf0c59e84780d0142eb0cb9895acf1917b126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a722e2f786cbc51a0ec8e650eaf0c59e84780d0142eb0cb9895acf1917b126", kill_on_drop: false }`
[INFO] [stdout] 05a722e2f786cbc51a0ec8e650eaf0c59e84780d0142eb0cb9895acf1917b126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d3aba476bf425906545ae166970472e0153fbcedcb9c3da58bbc370af995b22
[INFO] running `Command { std: "docker" "start" "-a" "5d3aba476bf425906545ae166970472e0153fbcedcb9c3da58bbc370af995b22", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/once-9a7f02bc023e237a)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_hygiene1 ... ok
[INFO] [stdout] test test_hygiene2 ... ok
[INFO] [stdout] test test_run_once ... ok
[INFO] [stdout] test test_run_once_different_fns ... ok
[INFO] [stdout] test test_run_twice - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests once
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - assert_has_not_been_called (line 36) ... ok
[INFO] [stdout] test src/lib.rs - assert_has_not_been_called (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d3aba476bf425906545ae166970472e0153fbcedcb9c3da58bbc370af995b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3aba476bf425906545ae166970472e0153fbcedcb9c3da58bbc370af995b22", kill_on_drop: false }`
[INFO] [stdout] 5d3aba476bf425906545ae166970472e0153fbcedcb9c3da58bbc370af995b22