[INFO] fetching crate perm 0.8.0...
[INFO] testing perm-0.8.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate perm 0.8.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate perm 0.8.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 608080b172eb15da0338c27630b2203fb72107ec6d661bfe02da121ed1345718
[INFO] running `Command { std: "docker" "start" "-a" "608080b172eb15da0338c27630b2203fb72107ec6d661bfe02da121ed1345718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "608080b172eb15da0338c27630b2203fb72107ec6d661bfe02da121ed1345718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608080b172eb15da0338c27630b2203fb72107ec6d661bfe02da121ed1345718", kill_on_drop: false }`
[INFO] [stdout] 608080b172eb15da0338c27630b2203fb72107ec6d661bfe02da121ed1345718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e29d1b9d39d36742955599118d488f02f3aaba9995afbdb61c9103278bb0d76b
[INFO] running `Command { std: "docker" "start" "-a" "e29d1b9d39d36742955599118d488f02f3aaba9995afbdb61c9103278bb0d76b", 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 1.33s
[INFO] running `Command { std: "docker" "inspect" "e29d1b9d39d36742955599118d488f02f3aaba9995afbdb61c9103278bb0d76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29d1b9d39d36742955599118d488f02f3aaba9995afbdb61c9103278bb0d76b", kill_on_drop: false }`
[INFO] [stdout] e29d1b9d39d36742955599118d488f02f3aaba9995afbdb61c9103278bb0d76b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dd4b522e407deb7397403fc5be3e78fc6abee61afad9ca43299f446eb9aa4c4e
[INFO] running `Command { std: "docker" "start" "-a" "dd4b522e407deb7397403fc5be3e78fc6abee61afad9ca43299f446eb9aa4c4e", 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 2.73s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/perm-e632decf10a9c26a)
[INFO] [stderr]   Executable tests/perm_iter.rs (/opt/rustwide/target/debug/deps/perm_iter-dcb35d23b4150176)
[INFO] running `Command { std: "docker" "inspect" "dd4b522e407deb7397403fc5be3e78fc6abee61afad9ca43299f446eb9aa4c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd4b522e407deb7397403fc5be3e78fc6abee61afad9ca43299f446eb9aa4c4e", kill_on_drop: false }`
[INFO] [stdout] dd4b522e407deb7397403fc5be3e78fc6abee61afad9ca43299f446eb9aa4c4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9fb51daa41dacbe8ea554fd39fd647380618f50204f93b763cdc51702a7572a4
[INFO] running `Command { std: "docker" "start" "-a" "9fb51daa41dacbe8ea554fd39fd647380618f50204f93b763cdc51702a7572a4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stdout] running 1 test
[INFO] [stderr]   --> src/error.rs:29:26
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 29 |     pub (crate) const fn new(line: u32, module_path: &'static str, msg: Option<Cow<'static, str>>) -> Self {
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]    |                          ^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] running 6 tests
[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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/perm-e632decf10a9c26a)
[INFO] [stderr]      Running tests/perm_iter.rs (/opt/rustwide/target/debug/deps/perm_iter-dcb35d23b4150176)
[INFO] [stdout] test perm_iters ... ok
[INFO] [stdout] test perm_iters_implementation_of_iterator_nth ... ok
[INFO] [stdout] test perm_iters_clone_with ... ok
[INFO] [stdout] test perm_iters_implementation_of_iterator_nth_with_small_data ... ok
[INFO] [stdout] test perm_iters_implementation_of_iterator_nth_with_simple_data ... 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 76.76s
[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 1.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9fb51daa41dacbe8ea554fd39fd647380618f50204f93b763cdc51702a7572a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb51daa41dacbe8ea554fd39fd647380618f50204f93b763cdc51702a7572a4", kill_on_drop: false }`
[INFO] [stdout] 9fb51daa41dacbe8ea554fd39fd647380618f50204f93b763cdc51702a7572a4