[INFO] fetching crate mpsc_requests 0.3.2...
[INFO] testing mpsc_requests-0.3.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate mpsc_requests 0.3.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mpsc_requests 0.3.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mpsc_requests 0.3.2
[INFO] finished tweaking crates.io crate mpsc_requests 0.3.2
[INFO] tweaked toml for crates.io crate mpsc_requests 0.3.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate mpsc_requests 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 39d65c188b19bbeeb755ca807ef46567c5c2f28dd492195eb57510f18c50772d
[INFO] running `"docker" "start" "-a" "39d65c188b19bbeeb755ca807ef46567c5c2f28dd492195eb57510f18c50772d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mpsc_requests v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "39d65c188b19bbeeb755ca807ef46567c5c2f28dd492195eb57510f18c50772d"`
[INFO] running `"docker" "rm" "-f" "39d65c188b19bbeeb755ca807ef46567c5c2f28dd492195eb57510f18c50772d"`
[INFO] [stdout] 39d65c188b19bbeeb755ca807ef46567c5c2f28dd492195eb57510f18c50772d
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de6d1d0727b5cee0b1776015e0ed7e7c337f100a29a7efffc0aa2cb243cdb6f0
[INFO] running `"docker" "start" "-a" "de6d1d0727b5cee0b1776015e0ed7e7c337f100a29a7efffc0aa2cb243cdb6f0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mpsc_requests v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `"docker" "inspect" "de6d1d0727b5cee0b1776015e0ed7e7c337f100a29a7efffc0aa2cb243cdb6f0"`
[INFO] running `"docker" "rm" "-f" "de6d1d0727b5cee0b1776015e0ed7e7c337f100a29a7efffc0aa2cb243cdb6f0"`
[INFO] [stdout] de6d1d0727b5cee0b1776015e0ed7e7c337f100a29a7efffc0aa2cb243cdb6f0
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 100f5c4f064ad6f1381b36fcfcdda1c1a6125b3c7d4b4ccfcfbf3fb7c68e9de5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "100f5c4f064ad6f1381b36fcfcdda1c1a6125b3c7d4b4ccfcfbf3fb7c68e9de5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mpsc_requests-69e316d06bc88e44
[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] [stderr]      Running /opt/rustwide/target/debug/deps/test-e810317fe9a8e384
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_echo ... ok
[INFO] [stdout] test tests::test_result ... ok
[INFO] [stdout] test tests::test_wordcount ... ok
[INFO] [stdout] test tests::test_multiple_requesters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mpsc_requests
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "100f5c4f064ad6f1381b36fcfcdda1c1a6125b3c7d4b4ccfcfbf3fb7c68e9de5"`
[INFO] running `"docker" "rm" "-f" "100f5c4f064ad6f1381b36fcfcdda1c1a6125b3c7d4b4ccfcfbf3fb7c68e9de5"`
[INFO] [stdout] 100f5c4f064ad6f1381b36fcfcdda1c1a6125b3c7d4b4ccfcfbf3fb7c68e9de5