[INFO] fetching crate exotic-iter 0.1.2...
[INFO] testing exotic-iter-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate exotic-iter 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate exotic-iter 0.1.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exotic-iter 0.1.2
[INFO] finished tweaking crates.io crate exotic-iter 0.1.2
[INFO] tweaked toml for crates.io crate exotic-iter 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21b5482c5ebf6af1eda8b3f3409a6afe0b620642dbff310e34809508e1e56dd5
[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" "21b5482c5ebf6af1eda8b3f3409a6afe0b620642dbff310e34809508e1e56dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21b5482c5ebf6af1eda8b3f3409a6afe0b620642dbff310e34809508e1e56dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21b5482c5ebf6af1eda8b3f3409a6afe0b620642dbff310e34809508e1e56dd5", kill_on_drop: false }`
[INFO] [stdout] 21b5482c5ebf6af1eda8b3f3409a6afe0b620642dbff310e34809508e1e56dd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a350c1b24d2ee77b75d9f9ac83b70999b819ed4e46c293e9f0017b0650c79864
[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" "a350c1b24d2ee77b75d9f9ac83b70999b819ed4e46c293e9f0017b0650c79864", kill_on_drop: false }`
[INFO] [stderr]    Compiling exotic-iter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "a350c1b24d2ee77b75d9f9ac83b70999b819ed4e46c293e9f0017b0650c79864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a350c1b24d2ee77b75d9f9ac83b70999b819ed4e46c293e9f0017b0650c79864", kill_on_drop: false }`
[INFO] [stdout] a350c1b24d2ee77b75d9f9ac83b70999b819ed4e46c293e9f0017b0650c79864
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40a80ca16b29b28b648ba3ba97fa668c83e57029e6474b74a5b77827d8f2ccbb
[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" "40a80ca16b29b28b648ba3ba97fa668c83e57029e6474b74a5b77827d8f2ccbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling exotic-iter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "40a80ca16b29b28b648ba3ba97fa668c83e57029e6474b74a5b77827d8f2ccbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a80ca16b29b28b648ba3ba97fa668c83e57029e6474b74a5b77827d8f2ccbb", kill_on_drop: false }`
[INFO] [stdout] 40a80ca16b29b28b648ba3ba97fa668c83e57029e6474b74a5b77827d8f2ccbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5bbbbb252729141e36a25510e6ca12e95f3792f272bb3e259882f84e3985257d
[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" "5bbbbb252729141e36a25510e6ca12e95f3792f272bb3e259882f84e3985257d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/exotic_iter-f8fdfffa378d31cd
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exotic-iter
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - ExoticIteratorExt::at_most (line 22) ... ok
[INFO] [stdout] test src/lib.rs - ExoticIteratorExt::perfectly_balanced (line 78) ... ok
[INFO] [stdout] test src/lib.rs - ExoticIteratorExt::exactly_m_n (line 49) ... ok
[INFO] [stdout] test src/lib.rs - ExoticIteratorExt::at_least (line 10) ... ok
[INFO] [stdout] test src/lib.rs - ExoticIteratorExt::all_or_none (line 64) ... ok
[INFO] [stdout] test src/lib.rs - ExoticIteratorExt::alternate (line 91) ... ok
[INFO] [stdout] test src/lib.rs - ExoticIteratorExt::exactly_n (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5bbbbb252729141e36a25510e6ca12e95f3792f272bb3e259882f84e3985257d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bbbbb252729141e36a25510e6ca12e95f3792f272bb3e259882f84e3985257d", kill_on_drop: false }`
[INFO] [stdout] 5bbbbb252729141e36a25510e6ca12e95f3792f272bb3e259882f84e3985257d