[INFO] fetching crate persistent_stack 0.1.1... [INFO] testing persistent_stack-0.1.1 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate persistent_stack 0.1.1 into /workspace/builds/worker-63/source [INFO] validating manifest of crates.io crate persistent_stack 0.1.1 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate persistent_stack 0.1.1 [INFO] finished tweaking crates.io crate persistent_stack 0.1.1 [INFO] tweaked toml for crates.io crate persistent_stack 0.1.1 written to /workspace/builds/worker-63/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bcfd86b9bdeb6fb3b57975134281dbdb42173a19b2518e3206a7fc4cb1522906 [INFO] running `Command { std: "docker" "start" "-a" "bcfd86b9bdeb6fb3b57975134281dbdb42173a19b2518e3206a7fc4cb1522906", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bcfd86b9bdeb6fb3b57975134281dbdb42173a19b2518e3206a7fc4cb1522906", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcfd86b9bdeb6fb3b57975134281dbdb42173a19b2518e3206a7fc4cb1522906", kill_on_drop: false }` [INFO] [stdout] bcfd86b9bdeb6fb3b57975134281dbdb42173a19b2518e3206a7fc4cb1522906 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 331d2bcc6d315c1cd9c8d4f5e373e803a91a910efacf59b7795c7d406accf349 [INFO] running `Command { std: "docker" "start" "-a" "331d2bcc6d315c1cd9c8d4f5e373e803a91a910efacf59b7795c7d406accf349", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling persistent_stack v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.68s [INFO] running `Command { std: "docker" "inspect" "331d2bcc6d315c1cd9c8d4f5e373e803a91a910efacf59b7795c7d406accf349", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "331d2bcc6d315c1cd9c8d4f5e373e803a91a910efacf59b7795c7d406accf349", kill_on_drop: false }` [INFO] [stdout] 331d2bcc6d315c1cd9c8d4f5e373e803a91a910efacf59b7795c7d406accf349 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] feaa1a6d734eb4d707dc8524a8fcd1953f52dc1e9e4f55b7cd05bfcb0976cb98 [INFO] running `Command { std: "docker" "start" "-a" "feaa1a6d734eb4d707dc8524a8fcd1953f52dc1e9e4f55b7cd05bfcb0976cb98", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling persistent_stack v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `Command { std: "docker" "inspect" "feaa1a6d734eb4d707dc8524a8fcd1953f52dc1e9e4f55b7cd05bfcb0976cb98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "feaa1a6d734eb4d707dc8524a8fcd1953f52dc1e9e4f55b7cd05bfcb0976cb98", kill_on_drop: false }` [INFO] [stdout] feaa1a6d734eb4d707dc8524a8fcd1953f52dc1e9e4f55b7cd05bfcb0976cb98 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 38921ff1037e08932e3fc220ed2a213c3b6048d9889cb3a7d497589d7c9845ca [INFO] running `Command { std: "docker" "start" "-a" "38921ff1037e08932e3fc220ed2a213c3b6048d9889cb3a7d497589d7c9845ca", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.13s [INFO] [stdout] running 2 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/persistent_stack-87bb569717af2196) [INFO] [stdout] test tests::test_persistent_stack ... ok [INFO] [stdout] test tests::readme_example ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Doc-tests persistent_stack [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - PersistentStack::new (line 57) ... ok [INFO] [stdout] test src/lib.rs - PersistentStack::push (line 69) ... ok [INFO] [stdout] test src/lib.rs - PersistentStack::iter (line 124) ... ok [INFO] [stdout] test src/lib.rs - PersistentStack::pop (line 95) ... ok [INFO] [stdout] test src/lib.rs - PersistentStack (line 15) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "38921ff1037e08932e3fc220ed2a213c3b6048d9889cb3a7d497589d7c9845ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38921ff1037e08932e3fc220ed2a213c3b6048d9889cb3a7d497589d7c9845ca", kill_on_drop: false }` [INFO] [stdout] 38921ff1037e08932e3fc220ed2a213c3b6048d9889cb3a7d497589d7c9845ca