[INFO] fetching crate once 0.3.4...
[INFO] testing once-0.3.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate once 0.3.4 into /workspace/builds/worker-111/source
[INFO] validating manifest of crates.io crate once 0.3.4 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-111/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c643f0d90399de9fb8129ce8a00ea6988e716ba7a1541c219829cf59bbacc9d
[INFO] running `Command { std: "docker" "start" "-a" "9c643f0d90399de9fb8129ce8a00ea6988e716ba7a1541c219829cf59bbacc9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c643f0d90399de9fb8129ce8a00ea6988e716ba7a1541c219829cf59bbacc9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c643f0d90399de9fb8129ce8a00ea6988e716ba7a1541c219829cf59bbacc9d", kill_on_drop: false }`
[INFO] [stdout] 9c643f0d90399de9fb8129ce8a00ea6988e716ba7a1541c219829cf59bbacc9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a118560a1b2c0e353ca80572dd1a49032e8c7ae86a2a8a10bdf582ba441c25fb
[INFO] running `Command { std: "docker" "start" "-a" "a118560a1b2c0e353ca80572dd1a49032e8c7ae86a2a8a10bdf582ba441c25fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling once v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "a118560a1b2c0e353ca80572dd1a49032e8c7ae86a2a8a10bdf582ba441c25fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a118560a1b2c0e353ca80572dd1a49032e8c7ae86a2a8a10bdf582ba441c25fb", kill_on_drop: false }`
[INFO] [stdout] a118560a1b2c0e353ca80572dd1a49032e8c7ae86a2a8a10bdf582ba441c25fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03f1c5592d5cb98245de826c8c1e05e94480ca1cbc1f6b4df9609083b38badec
[INFO] running `Command { std: "docker" "start" "-a" "03f1c5592d5cb98245de826c8c1e05e94480ca1cbc1f6b4df9609083b38badec", kill_on_drop: false }`
[INFO] [stderr]    Compiling once v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "03f1c5592d5cb98245de826c8c1e05e94480ca1cbc1f6b4df9609083b38badec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f1c5592d5cb98245de826c8c1e05e94480ca1cbc1f6b4df9609083b38badec", kill_on_drop: false }`
[INFO] [stdout] 03f1c5592d5cb98245de826c8c1e05e94480ca1cbc1f6b4df9609083b38badec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c15966ecc45c0e392b6faa7a72ec7156dad3fa8303dddc7ea2fee65e35a0b9e5
[INFO] running `Command { std: "docker" "start" "-a" "c15966ecc45c0e392b6faa7a72ec7156dad3fa8303dddc7ea2fee65e35a0b9e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/once-07831abd88703c9c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_hygiene1 ... ok
[INFO] [stdout] test test_run_once_different_fns ... ok
[INFO] [stdout] test test_hygiene2 ... ok
[INFO] [stdout] test test_run_once ... ok
[INFO] [stderr]    Doc-tests once
[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 0.06s
[INFO] [stdout] 
[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 0.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c15966ecc45c0e392b6faa7a72ec7156dad3fa8303dddc7ea2fee65e35a0b9e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c15966ecc45c0e392b6faa7a72ec7156dad3fa8303dddc7ea2fee65e35a0b9e5", kill_on_drop: false }`
[INFO] [stdout] c15966ecc45c0e392b6faa7a72ec7156dad3fa8303dddc7ea2fee65e35a0b9e5