[INFO] fetching crate once 0.3.4...
[INFO] testing once-0.3.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate once 0.3.4 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate once 0.3.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-38/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4874fa0c274bc76f24303bfc8dfa4d97210b65e87c5adcd1a11c93ad89d9698b
[INFO] running `Command { std: "docker" "start" "-a" "4874fa0c274bc76f24303bfc8dfa4d97210b65e87c5adcd1a11c93ad89d9698b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4874fa0c274bc76f24303bfc8dfa4d97210b65e87c5adcd1a11c93ad89d9698b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4874fa0c274bc76f24303bfc8dfa4d97210b65e87c5adcd1a11c93ad89d9698b", kill_on_drop: false }`
[INFO] [stdout] 4874fa0c274bc76f24303bfc8dfa4d97210b65e87c5adcd1a11c93ad89d9698b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1f673d4a85044252d7c7d1cb3e72114e031488529dbf70d5a5f03a16d637f5b
[INFO] running `Command { std: "docker" "start" "-a" "e1f673d4a85044252d7c7d1cb3e72114e031488529dbf70d5a5f03a16d637f5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling once v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "e1f673d4a85044252d7c7d1cb3e72114e031488529dbf70d5a5f03a16d637f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f673d4a85044252d7c7d1cb3e72114e031488529dbf70d5a5f03a16d637f5b", kill_on_drop: false }`
[INFO] [stdout] e1f673d4a85044252d7c7d1cb3e72114e031488529dbf70d5a5f03a16d637f5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca409ce6611c180a0ccd8ff9c6d64f524d6a64736e6db1a54330e425e5579dd8
[INFO] running `Command { std: "docker" "start" "-a" "ca409ce6611c180a0ccd8ff9c6d64f524d6a64736e6db1a54330e425e5579dd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling once v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "ca409ce6611c180a0ccd8ff9c6d64f524d6a64736e6db1a54330e425e5579dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca409ce6611c180a0ccd8ff9c6d64f524d6a64736e6db1a54330e425e5579dd8", kill_on_drop: false }`
[INFO] [stdout] ca409ce6611c180a0ccd8ff9c6d64f524d6a64736e6db1a54330e425e5579dd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e840b394c35a3ce622c119f86556a0193310b6a2ac9e9aea576064ff34a04119
[INFO] running `Command { std: "docker" "start" "-a" "e840b394c35a3ce622c119f86556a0193310b6a2ac9e9aea576064ff34a04119", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/once-63f30a81e0449317)
[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] [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 0.02s
[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 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e840b394c35a3ce622c119f86556a0193310b6a2ac9e9aea576064ff34a04119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e840b394c35a3ce622c119f86556a0193310b6a2ac9e9aea576064ff34a04119", kill_on_drop: false }`
[INFO] [stdout] e840b394c35a3ce622c119f86556a0193310b6a2ac9e9aea576064ff34a04119