[INFO] crate sync_splitter 0.4.1 is already in cache
[INFO] testing sync_splitter-0.4.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate sync_splitter 0.4.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sync_splitter 0.4.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sync_splitter 0.4.1
[INFO] finished tweaking crates.io crate sync_splitter 0.4.1
[INFO] tweaked toml for crates.io crate sync_splitter 0.4.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68757df6642038e7849e34a37a0823326b8890eb81892c7f7605758cc3241110
[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" "68757df6642038e7849e34a37a0823326b8890eb81892c7f7605758cc3241110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68757df6642038e7849e34a37a0823326b8890eb81892c7f7605758cc3241110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68757df6642038e7849e34a37a0823326b8890eb81892c7f7605758cc3241110", kill_on_drop: false }`
[INFO] [stdout] 68757df6642038e7849e34a37a0823326b8890eb81892c7f7605758cc3241110
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 153ffffc713898e2226c136a74b80713fc61e436d58257aed33e0239094b74f0
[INFO] running `Command { std: "docker" "start" "-a" "153ffffc713898e2226c136a74b80713fc61e436d58257aed33e0239094b74f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync_splitter v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "153ffffc713898e2226c136a74b80713fc61e436d58257aed33e0239094b74f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153ffffc713898e2226c136a74b80713fc61e436d58257aed33e0239094b74f0", kill_on_drop: false }`
[INFO] [stdout] 153ffffc713898e2226c136a74b80713fc61e436d58257aed33e0239094b74f0
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e91e1829dc96c9abdb9f7c80779b46412e41f16159908ac72384b50e185f4044
[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" "e91e1829dc96c9abdb9f7c80779b46412e41f16159908ac72384b50e185f4044", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling sync_splitter v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "e91e1829dc96c9abdb9f7c80779b46412e41f16159908ac72384b50e185f4044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e91e1829dc96c9abdb9f7c80779b46412e41f16159908ac72384b50e185f4044", kill_on_drop: false }`
[INFO] [stdout] e91e1829dc96c9abdb9f7c80779b46412e41f16159908ac72384b50e185f4044
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be2f638f951ff4a5ce56048bf24fdbfdcf9ffec098bf865fcc969921b1550fdc
[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" "be2f638f951ff4a5ce56048bf24fdbfdcf9ffec098bf865fcc969921b1550fdc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sync_splitter-ce38fe180ee9baca
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::next_does_not_overflow ... ok
[INFO] [stdout] test tests::isize_max_minus_one_then_pop_min_is_ok ... ok
[INFO] [stdout] test tests::len_does_not_underflow ... ok
[INFO] [stdout] test tests::binary_tree_with_rayon_works ... ok
[INFO] [stdout] test tests::reads_what_was_written ... ok
[INFO] [stdout] test tests::works_when_popping_exact_slice_length ... ok
[INFO] [stdout] test tests::works_when_running_out_of_slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sync_splitter
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be2f638f951ff4a5ce56048bf24fdbfdcf9ffec098bf865fcc969921b1550fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2f638f951ff4a5ce56048bf24fdbfdcf9ffec098bf865fcc969921b1550fdc", kill_on_drop: false }`
[INFO] [stdout] be2f638f951ff4a5ce56048bf24fdbfdcf9ffec098bf865fcc969921b1550fdc