[INFO] fetching crate option_vec 0.1.3...
[INFO] testing option_vec-0.1.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate option_vec 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate option_vec 0.1.3 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 option_vec 0.1.3
[INFO] finished tweaking crates.io crate option_vec 0.1.3
[INFO] tweaked toml for crates.io crate option_vec 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 67503e5282c7e42b238c3384323bab6c71c0b6b2d3340a29f3ebe9fc3d0c2c82
[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" "67503e5282c7e42b238c3384323bab6c71c0b6b2d3340a29f3ebe9fc3d0c2c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67503e5282c7e42b238c3384323bab6c71c0b6b2d3340a29f3ebe9fc3d0c2c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67503e5282c7e42b238c3384323bab6c71c0b6b2d3340a29f3ebe9fc3d0c2c82", kill_on_drop: false }`
[INFO] [stdout] 67503e5282c7e42b238c3384323bab6c71c0b6b2d3340a29f3ebe9fc3d0c2c82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f9c29c767fe16dc83ac02df049b945e100e1ac85e70f53f5b05d9b1407948b1a
[INFO] running `Command { std: "docker" "start" "-a" "f9c29c767fe16dc83ac02df049b945e100e1ac85e70f53f5b05d9b1407948b1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling option_vec v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "f9c29c767fe16dc83ac02df049b945e100e1ac85e70f53f5b05d9b1407948b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c29c767fe16dc83ac02df049b945e100e1ac85e70f53f5b05d9b1407948b1a", kill_on_drop: false }`
[INFO] [stdout] f9c29c767fe16dc83ac02df049b945e100e1ac85e70f53f5b05d9b1407948b1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2b6a7c0b72b4aaa4c6d6e017eaab0e92b1d3b8250c4fac1e7b5de04b021da803
[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" "2b6a7c0b72b4aaa4c6d6e017eaab0e92b1d3b8250c4fac1e7b5de04b021da803", kill_on_drop: false }`
[INFO] [stderr]    Compiling option_vec v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "2b6a7c0b72b4aaa4c6d6e017eaab0e92b1d3b8250c4fac1e7b5de04b021da803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6a7c0b72b4aaa4c6d6e017eaab0e92b1d3b8250c4fac1e7b5de04b021da803", kill_on_drop: false }`
[INFO] [stdout] 2b6a7c0b72b4aaa4c6d6e017eaab0e92b1d3b8250c4fac1e7b5de04b021da803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 9e7bd3f0fdee30cd39212d8c414bf5bdea32c56b2cc0edde84963d335609b9ba
[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" "9e7bd3f0fdee30cd39212d8c414bf5bdea32c56b2cc0edde84963d335609b9ba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/option_vec-19d764fe76c9a6be
[INFO] [stdout] test test::test_clone ... ok
[INFO] [stdout] test test::test_eq ... ok
[INFO] [stdout] test test::test_clone_iter ... ok
[INFO] [stdout] test test::test_enumerate ... ok
[INFO] [stdout] test test::test_debug ... ok
[INFO] [stdout] test test::test_enumerate_rev ... ok
[INFO] [stdout] test test::test_insert ... ok
[INFO] [stdout] test test::test_enumerate_mut ... ok
[INFO] [stdout] test test::test_into_iter ... ok
[INFO] [stdout] test test::test_into_enumerate ... ok
[INFO] [stdout] test test::test_pop_front ... ok
[INFO] [stdout] test test::test_pop_back ... ok
[INFO] [stdout] test test::test_iter_rev ... ok
[INFO] [stdout] test test::test_iter ... ok
[INFO] [stdout] test test::test_remove ... ok
[INFO] [stdout] test test::test_retain ... ok
[INFO] [stdout] test test::test_iter_mut ... ok
[INFO] [stdout] test test::test_shrink_to_fit ... ok
[INFO] [stdout] test test::test_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests option_vec
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "9e7bd3f0fdee30cd39212d8c414bf5bdea32c56b2cc0edde84963d335609b9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7bd3f0fdee30cd39212d8c414bf5bdea32c56b2cc0edde84963d335609b9ba", kill_on_drop: false }`
[INFO] [stdout] 9e7bd3f0fdee30cd39212d8c414bf5bdea32c56b2cc0edde84963d335609b9ba