[INFO] fetching crate vec-arena 1.0.0...
[INFO] testing vec-arena-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate vec-arena 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vec-arena 1.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vec-arena 1.0.0
[INFO] finished tweaking crates.io crate vec-arena 1.0.0
[INFO] tweaked toml for crates.io crate vec-arena 1.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate vec-arena 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 852e561018a866878b308af544f40341791f69408b0230afaf6b9c26d908bb61
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "852e561018a866878b308af544f40341791f69408b0230afaf6b9c26d908bb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "852e561018a866878b308af544f40341791f69408b0230afaf6b9c26d908bb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852e561018a866878b308af544f40341791f69408b0230afaf6b9c26d908bb61", kill_on_drop: false }`
[INFO] [stdout] 852e561018a866878b308af544f40341791f69408b0230afaf6b9c26d908bb61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1757b6ac343dfac1e75869f68acc7d087172e708fa5c61bd92fd5f032c147362
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1757b6ac343dfac1e75869f68acc7d087172e708fa5c61bd92fd5f032c147362", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec-arena v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "1757b6ac343dfac1e75869f68acc7d087172e708fa5c61bd92fd5f032c147362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1757b6ac343dfac1e75869f68acc7d087172e708fa5c61bd92fd5f032c147362", kill_on_drop: false }`
[INFO] [stdout] 1757b6ac343dfac1e75869f68acc7d087172e708fa5c61bd92fd5f032c147362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54764adbed154b39c08b4490e8027cdde3325f8914f01e181e54414dcdc96f42
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "54764adbed154b39c08b4490e8027cdde3325f8914f01e181e54414dcdc96f42", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec-arena v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "54764adbed154b39c08b4490e8027cdde3325f8914f01e181e54414dcdc96f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54764adbed154b39c08b4490e8027cdde3325f8914f01e181e54414dcdc96f42", kill_on_drop: false }`
[INFO] [stdout] 54764adbed154b39c08b4490e8027cdde3325f8914f01e181e54414dcdc96f42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 98209b6ed44f323f02ac62603ce2bdf2d567b28a52ff7b92733599e3cba925e7
[INFO] running `Command { std: "docker" "start" "-a" "98209b6ed44f323f02ac62603ce2bdf2d567b28a52ff7b92733599e3cba925e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vec_arena-5add1bd26adde4a4
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arena-d6dcd55f60643423
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test from_iter ... ok
[INFO] [stdout] test indexing ... ok
[INFO] [stdout] test get ... ok
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test reserve ... ok
[INFO] [stdout] test remove ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test insert ... ok
[INFO] [stdout] test new ... ok
[INFO] [stdout] test invalid_remove ... ok
[INFO] [stdout] test iter_mut ... ok
[INFO] [stdout] test reserve_exact ... ok
[INFO] [stdout] test with_capacity ... ok
[INFO] [stdout] test indexing_vacant ... ok
[INFO] [stdout] test invalid_indexing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vec-arena
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs - Arena<T>::capacity (line 173) ... ok
[INFO] [stdout] test src/lib.rs - Arena (line 66) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::len (line 188) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::next_vacant (line 227) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::remove (line 289) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::get_mut (line 408) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::new (line 121) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::reserve (line 470) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::reserve_exact (line 496) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::get (line 383) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::clear (line 358) ... ok
[INFO] [stdout] test src/lib.rs - Arena (line 87) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::iter_mut (line 540) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::is_empty (line 208) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::insert (line 254) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::iter (line 516) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::with_capacity (line 142) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::shrink_to_fit (line 571) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::retain (line 324) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::swap (line 437) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "98209b6ed44f323f02ac62603ce2bdf2d567b28a52ff7b92733599e3cba925e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98209b6ed44f323f02ac62603ce2bdf2d567b28a52ff7b92733599e3cba925e7", kill_on_drop: false }`
[INFO] [stdout] 98209b6ed44f323f02ac62603ce2bdf2d567b28a52ff7b92733599e3cba925e7