[INFO] fetching crate perm 0.8.0...
[INFO] testing perm-0.8.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate perm 0.8.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate perm 0.8.0 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 perm 0.8.0
[INFO] finished tweaking crates.io crate perm 0.8.0
[INFO] tweaked toml for crates.io crate perm 0.8.0 written to /workspace/builds/worker-84/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] e67dc6da9960ed18d29c27ed9d318e12ce5d14f3a7737c474505fe913908f975
[INFO] running `Command { std: "docker" "start" "-a" "e67dc6da9960ed18d29c27ed9d318e12ce5d14f3a7737c474505fe913908f975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e67dc6da9960ed18d29c27ed9d318e12ce5d14f3a7737c474505fe913908f975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67dc6da9960ed18d29c27ed9d318e12ce5d14f3a7737c474505fe913908f975", kill_on_drop: false }`
[INFO] [stdout] e67dc6da9960ed18d29c27ed9d318e12ce5d14f3a7737c474505fe913908f975
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] abc72cdcd036e55dab83efa261d184c2b7f0d91b13a7d9db7427b38239b5ecdd
[INFO] running `Command { std: "docker" "start" "-a" "abc72cdcd036e55dab83efa261d184c2b7f0d91b13a7d9db7427b38239b5ecdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling perm v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/error.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub (crate) const fn new(line: u32, module_path: &'static str, msg: Option<Cow<'static, str>>) -> Self {
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "abc72cdcd036e55dab83efa261d184c2b7f0d91b13a7d9db7427b38239b5ecdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc72cdcd036e55dab83efa261d184c2b7f0d91b13a7d9db7427b38239b5ecdd", kill_on_drop: false }`
[INFO] [stdout] abc72cdcd036e55dab83efa261d184c2b7f0d91b13a7d9db7427b38239b5ecdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 11a06f315fcee0b69f7f3f67c8768fda17fcb68c3e70cbf04d7fde58a4960483
[INFO] running `Command { std: "docker" "start" "-a" "11a06f315fcee0b69f7f3f67c8768fda17fcb68c3e70cbf04d7fde58a4960483", kill_on_drop: false }`
[INFO] [stderr]    Compiling perm v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/error.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub (crate) const fn new(line: u32, module_path: &'static str, msg: Option<Cow<'static, str>>) -> Self {
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/error.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub (crate) const fn new(line: u32, module_path: &'static str, msg: Option<Cow<'static, str>>) -> Self {
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "11a06f315fcee0b69f7f3f67c8768fda17fcb68c3e70cbf04d7fde58a4960483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a06f315fcee0b69f7f3f67c8768fda17fcb68c3e70cbf04d7fde58a4960483", kill_on_drop: false }`
[INFO] [stdout] 11a06f315fcee0b69f7f3f67c8768fda17fcb68c3e70cbf04d7fde58a4960483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] cb67fcca68c6f78630fd4e2e2597186c019a8d8b185e54fdf63414696924270d
[INFO] running `Command { std: "docker" "start" "-a" "cb67fcca68c6f78630fd4e2e2597186c019a8d8b185e54fdf63414696924270d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/error.rs:29:26
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub (crate) const fn new(line: u32, module_path: &'static str, msg: Option<Cow<'static, str>>) -> Self {
[INFO] [stderr]    |                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `perm` (lib) generated 1 warning
[INFO] [stderr] warning: `perm` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/perm-a41be7d69d4cee9c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_crate_version ... 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]      Running tests/perm_iter.rs (/opt/rustwide/target/debug/deps/perm_iter-fea16a965eae976f)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test perm_iters ... ok
[INFO] [stdout] test perm_iters_implementation_of_iterator_nth ... ok
[INFO] [stdout] test perm_iters_implementation_of_iterator_nth_with_simple_data ... ok
[INFO] [stdout] test perm_iters_implementation_of_iterator_nth_with_small_data ... ok
[INFO] [stdout] test perm_iters_clone_with ... ok
[INFO] [stdout] test perm_iters_implementation_of_iterator_nth_with_large_data has been running for over 60 seconds
[INFO] [stdout] test perm_iters_implementation_of_iterator_nth_with_large_data ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 80.48s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests perm
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/version_info.rs - version_info (line 16) ... ignored
[INFO] [stdout] test src/perm_iter.rs - perm_iter::PermIter (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb67fcca68c6f78630fd4e2e2597186c019a8d8b185e54fdf63414696924270d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb67fcca68c6f78630fd4e2e2597186c019a8d8b185e54fdf63414696924270d", kill_on_drop: false }`
[INFO] [stdout] cb67fcca68c6f78630fd4e2e2597186c019a8d8b185e54fdf63414696924270d