[INFO] fetching crate perm 0.8.0...
[INFO] testing perm-0.8.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate perm 0.8.0 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate perm 0.8.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0301e937ea0d30fb2b5d5278d41648aa339a705c65af3e0a2b36d835c2dd1cdc
[INFO] running `Command { std: "docker" "start" "-a" "0301e937ea0d30fb2b5d5278d41648aa339a705c65af3e0a2b36d835c2dd1cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0301e937ea0d30fb2b5d5278d41648aa339a705c65af3e0a2b36d835c2dd1cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0301e937ea0d30fb2b5d5278d41648aa339a705c65af3e0a2b36d835c2dd1cdc", kill_on_drop: false }`
[INFO] [stdout] 0301e937ea0d30fb2b5d5278d41648aa339a705c65af3e0a2b36d835c2dd1cdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2fe9134adfd86a522e4c8f08f0b7a4b77fd08d2e4e6d1b7f516b5604f4cc0a5
[INFO] running `Command { std: "docker" "start" "-a" "b2fe9134adfd86a522e4c8f08f0b7a4b77fd08d2e4e6d1b7f516b5604f4cc0a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.48s
[INFO] running `Command { std: "docker" "inspect" "b2fe9134adfd86a522e4c8f08f0b7a4b77fd08d2e4e6d1b7f516b5604f4cc0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2fe9134adfd86a522e4c8f08f0b7a4b77fd08d2e4e6d1b7f516b5604f4cc0a5", kill_on_drop: false }`
[INFO] [stdout] b2fe9134adfd86a522e4c8f08f0b7a4b77fd08d2e4e6d1b7f516b5604f4cc0a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2badd6a49906fecb42e9d6236b683a11de02e74c997befbdedafe6353f3709b
[INFO] running `Command { std: "docker" "start" "-a" "c2badd6a49906fecb42e9d6236b683a11de02e74c997befbdedafe6353f3709b", kill_on_drop: false }`
[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] [stderr]    Compiling perm v0.8.0 (/opt/rustwide/workdir)
[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 0.92s
[INFO] running `Command { std: "docker" "inspect" "c2badd6a49906fecb42e9d6236b683a11de02e74c997befbdedafe6353f3709b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2badd6a49906fecb42e9d6236b683a11de02e74c997befbdedafe6353f3709b", kill_on_drop: false }`
[INFO] [stdout] c2badd6a49906fecb42e9d6236b683a11de02e74c997befbdedafe6353f3709b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf4cce6dcb3c0ec01c333b04da7438129aa63e4580d5cc574288bf2ca85a952f
[INFO] running `Command { std: "docker" "start" "-a" "cf4cce6dcb3c0ec01c333b04da7438129aa63e4580d5cc574288bf2ca85a952f", kill_on_drop: false }`
[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 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/perm-91eeaae44c6ee197)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/perm_iter.rs (/opt/rustwide/target/debug/deps/perm_iter-2030e2a091f5911a)
[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] [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 74.69s
[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 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cf4cce6dcb3c0ec01c333b04da7438129aa63e4580d5cc574288bf2ca85a952f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4cce6dcb3c0ec01c333b04da7438129aa63e4580d5cc574288bf2ca85a952f", kill_on_drop: false }`
[INFO] [stdout] cf4cce6dcb3c0ec01c333b04da7438129aa63e4580d5cc574288bf2ca85a952f