[INFO] fetching crate ppar 0.2.0...
[INFO] testing ppar-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ppar 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ppar 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ppar 0.2.0
[INFO] finished tweaking crates.io crate ppar 0.2.0
[INFO] tweaked toml for crates.io crate ppar 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ppar 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded structopt-derive v0.4.13
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[INFO] [stderr]   Downloaded structopt v0.3.20
[INFO] [stderr]   Downloaded im-rc v15.0.0
[INFO] [stderr]   Downloaded arbitrary v0.4.7
[INFO] [stderr]   Downloaded im v15.0.0
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] [stderr]   Downloaded syn v1.0.48
[INFO] [stderr]   Downloaded derive_arbitrary v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cca84d9201a19f41504641a1bf566d613f3d2e2a93d7b108b87b6f5b1159837
[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" "2cca84d9201a19f41504641a1bf566d613f3d2e2a93d7b108b87b6f5b1159837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cca84d9201a19f41504641a1bf566d613f3d2e2a93d7b108b87b6f5b1159837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cca84d9201a19f41504641a1bf566d613f3d2e2a93d7b108b87b6f5b1159837", kill_on_drop: false }`
[INFO] [stdout] 2cca84d9201a19f41504641a1bf566d613f3d2e2a93d7b108b87b6f5b1159837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0dd677cfeccbbc1ce16e950c4e3cf2ee30706c30e2bd9062232db69f82a7dbb
[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" "f0dd677cfeccbbc1ce16e950c4e3cf2ee30706c30e2bd9062232db69f82a7dbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling derive_arbitrary v0.4.7
[INFO] [stderr]    Compiling arbitrary v0.4.7
[INFO] [stderr]    Compiling ppar v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.47s
[INFO] running `Command { std: "docker" "inspect" "f0dd677cfeccbbc1ce16e950c4e3cf2ee30706c30e2bd9062232db69f82a7dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0dd677cfeccbbc1ce16e950c4e3cf2ee30706c30e2bd9062232db69f82a7dbb", kill_on_drop: false }`
[INFO] [stdout] f0dd677cfeccbbc1ce16e950c4e3cf2ee30706c30e2bd9062232db69f82a7dbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84a2248af42045347b8701abbee3eebbedbac0b8d4c58270c063e16959899965
[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" "84a2248af42045347b8701abbee3eebbedbac0b8d4c58270c063e16959899965", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ppar v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.48s
[INFO] running `Command { std: "docker" "inspect" "84a2248af42045347b8701abbee3eebbedbac0b8d4c58270c063e16959899965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a2248af42045347b8701abbee3eebbedbac0b8d4c58270c063e16959899965", kill_on_drop: false }`
[INFO] [stdout] 84a2248af42045347b8701abbee3eebbedbac0b8d4c58270c063e16959899965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08f7383eed78ae91675a57d7979db0c0d73b39e995308bc2f45fb4152573e06a
[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" "08f7383eed78ae91675a57d7979db0c0d73b39e995308bc2f45fb4152573e06a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ppar-9a6778bd98b6a527
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test arc::ppar::ppar_test::test_new ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_to_vec ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_iter ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_into_iter ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_new ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_into_iter ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_from_slice ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_iter ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_from_slice ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_to_vec ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_crud ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_crud ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_append ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_append ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_delete_skew ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_delete_skew ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_rebalance ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_rebalance ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_split_off ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_prepend ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_split_off ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_prepend ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 50.90s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ppar
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08f7383eed78ae91675a57d7979db0c0d73b39e995308bc2f45fb4152573e06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f7383eed78ae91675a57d7979db0c0d73b39e995308bc2f45fb4152573e06a", kill_on_drop: false }`
[INFO] [stdout] 08f7383eed78ae91675a57d7979db0c0d73b39e995308bc2f45fb4152573e06a