[INFO] fetching crate parallel-iterator 0.1.6...
[INFO] testing parallel-iterator-0.1.6 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate parallel-iterator 0.1.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate parallel-iterator 0.1.6 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 parallel-iterator 0.1.6
[INFO] finished tweaking crates.io crate parallel-iterator 0.1.6
[INFO] tweaked toml for crates.io crate parallel-iterator 0.1.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate parallel-iterator 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[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: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] f97fd5511b49dfbb773fcb2555d2cdb314223ec609cc87a3d61632f8311b209d
[INFO] running `Command { std: "docker" "start" "-a" "f97fd5511b49dfbb773fcb2555d2cdb314223ec609cc87a3d61632f8311b209d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f97fd5511b49dfbb773fcb2555d2cdb314223ec609cc87a3d61632f8311b209d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f97fd5511b49dfbb773fcb2555d2cdb314223ec609cc87a3d61632f8311b209d", kill_on_drop: false }`
[INFO] [stdout] f97fd5511b49dfbb773fcb2555d2cdb314223ec609cc87a3d61632f8311b209d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25f6edf5ab663305851ca4f5d80a0720c42b404b466e9aaf5bdc223eac549a98
[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" "25f6edf5ab663305851ca4f5d80a0720c42b404b466e9aaf5bdc223eac549a98", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling parallel-iterator v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "25f6edf5ab663305851ca4f5d80a0720c42b404b466e9aaf5bdc223eac549a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f6edf5ab663305851ca4f5d80a0720c42b404b466e9aaf5bdc223eac549a98", kill_on_drop: false }`
[INFO] [stdout] 25f6edf5ab663305851ca4f5d80a0720c42b404b466e9aaf5bdc223eac549a98
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b16a9a98b127d15ea4eba640db69b5cf4cd66c96db0ecdeea0f54eb569cd197
[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" "6b16a9a98b127d15ea4eba640db69b5cf4cd66c96db0ecdeea0f54eb569cd197", kill_on_drop: false }`
[INFO] [stderr]    Compiling parallel-iterator v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "6b16a9a98b127d15ea4eba640db69b5cf4cd66c96db0ecdeea0f54eb569cd197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b16a9a98b127d15ea4eba640db69b5cf4cd66c96db0ecdeea0f54eb569cd197", kill_on_drop: false }`
[INFO] [stdout] 6b16a9a98b127d15ea4eba640db69b5cf4cd66c96db0ecdeea0f54eb569cd197
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 7b0578a1bf7dafe43d96f8ac75ef1a69c8b119548536cd96ad87e853fdcee7f4
[INFO] running `Command { std: "docker" "start" "-a" "7b0578a1bf7dafe43d96f8ac75ef1a69c8b119548536cd96ad87e853fdcee7f4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/parallel_iterator-b3053d3398e8e0e1
[INFO] [stdout] test tests::test_parallel_vs_sequential ... ok
[INFO] [stderr]    Doc-tests parallel-iterator
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b0578a1bf7dafe43d96f8ac75ef1a69c8b119548536cd96ad87e853fdcee7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0578a1bf7dafe43d96f8ac75ef1a69c8b119548536cd96ad87e853fdcee7f4", kill_on_drop: false }`
[INFO] [stdout] 7b0578a1bf7dafe43d96f8ac75ef1a69c8b119548536cd96ad87e853fdcee7f4
