[INFO] fetching crate prev-iter 0.1.2...
[INFO] testing prev-iter-0.1.2 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate prev-iter 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate prev-iter 0.1.2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prev-iter 0.1.2
[INFO] finished tweaking crates.io crate prev-iter 0.1.2
[INFO] tweaked toml for crates.io crate prev-iter 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 05e9af4d82a74c8361f65917e92e35e1778703ecb1b17d953169f6891ba2e2a4
[INFO] running `Command { std: "docker" "start" "-a" "05e9af4d82a74c8361f65917e92e35e1778703ecb1b17d953169f6891ba2e2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05e9af4d82a74c8361f65917e92e35e1778703ecb1b17d953169f6891ba2e2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e9af4d82a74c8361f65917e92e35e1778703ecb1b17d953169f6891ba2e2a4", kill_on_drop: false }`
[INFO] [stdout] 05e9af4d82a74c8361f65917e92e35e1778703ecb1b17d953169f6891ba2e2a4
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 584843180c01b47713fdd86552c5d09a56f320760ca8aa9a01484bc386764137
[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" "584843180c01b47713fdd86552c5d09a56f320760ca8aa9a01484bc386764137", kill_on_drop: false }`
[INFO] [stderr]    Compiling prev-iter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "584843180c01b47713fdd86552c5d09a56f320760ca8aa9a01484bc386764137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584843180c01b47713fdd86552c5d09a56f320760ca8aa9a01484bc386764137", kill_on_drop: false }`
[INFO] [stdout] 584843180c01b47713fdd86552c5d09a56f320760ca8aa9a01484bc386764137
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0502a34d575af951c0391ec1aee84045d3ef106577e39bff97de184581840e15
[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" "0502a34d575af951c0391ec1aee84045d3ef106577e39bff97de184581840e15", kill_on_drop: false }`
[INFO] [stderr]    Compiling prev-iter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "0502a34d575af951c0391ec1aee84045d3ef106577e39bff97de184581840e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0502a34d575af951c0391ec1aee84045d3ef106577e39bff97de184581840e15", kill_on_drop: false }`
[INFO] [stdout] 0502a34d575af951c0391ec1aee84045d3ef106577e39bff97de184581840e15
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c202869cf57907921ed397f25f0684ebcc2b8284767da61b2af31a9718d46e8
[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" "5c202869cf57907921ed397f25f0684ebcc2b8284767da61b2af31a9718d46e8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prev_iter-b5a3925695a2f173
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests prev-iter
[INFO] [stdout] test tests::test_next ... ok
[INFO] [stdout] test tests::test_peek ... ok
[INFO] [stdout] test tests::test_prev_peek ... ok
[INFO] [stdout] test tests::test_prev ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - PrevPeekable<I>::new (line 41) ... ok
[INFO] [stdout] test src/lib.rs - PrevPeekable<I>::peek (line 76) ... ok
[INFO] [stdout] test src/lib.rs - PrevPeekable<I>::prev (line 110) ... ok
[INFO] [stdout] test src/lib.rs - PrevPeekable<I>::prev_peek (line 148) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c202869cf57907921ed397f25f0684ebcc2b8284767da61b2af31a9718d46e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c202869cf57907921ed397f25f0684ebcc2b8284767da61b2af31a9718d46e8", kill_on_drop: false }`
[INFO] [stdout] 5c202869cf57907921ed397f25f0684ebcc2b8284767da61b2af31a9718d46e8
