[INFO] fetching crate dsc 0.1.3...
[INFO] testing dsc-0.1.3 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate dsc 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dsc 0.1.3 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dsc 0.1.3
[INFO] finished tweaking crates.io crate dsc 0.1.3
[INFO] tweaked toml for crates.io crate dsc 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate dsc 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded format_num v0.1.0
[INFO] [stderr]   Downloaded throttle v0.1.0
[INFO] [stderr]   Downloaded xxhash-rust v0.8.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57a1d19d903b9f8ed40df068fe2b706df559eb7c17584f6abaffccfaeb815719
[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" "57a1d19d903b9f8ed40df068fe2b706df559eb7c17584f6abaffccfaeb815719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57a1d19d903b9f8ed40df068fe2b706df559eb7c17584f6abaffccfaeb815719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a1d19d903b9f8ed40df068fe2b706df559eb7c17584f6abaffccfaeb815719", kill_on_drop: false }`
[INFO] [stdout] 57a1d19d903b9f8ed40df068fe2b706df559eb7c17584f6abaffccfaeb815719
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a0fec613612c87895c58be40df5c8b889e2a0edd813e61d19e05362f834e001
[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" "7a0fec613612c87895c58be40df5c8b889e2a0edd813e61d19e05362f834e001", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling throttle v0.1.0
[INFO] [stderr]    Compiling xxhash-rust v0.8.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.8.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling format_num v0.1.0
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling ignore v0.4.17
[INFO] [stderr]    Compiling dsc v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.99s
[INFO] running `Command { std: "docker" "inspect" "7a0fec613612c87895c58be40df5c8b889e2a0edd813e61d19e05362f834e001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a0fec613612c87895c58be40df5c8b889e2a0edd813e61d19e05362f834e001", kill_on_drop: false }`
[INFO] [stdout] 7a0fec613612c87895c58be40df5c8b889e2a0edd813e61d19e05362f834e001
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b95d21c2e9a4ef44aa365be8f7bd7683ee30accc5eb4a28fc2e46910088239bb
[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" "b95d21c2e9a4ef44aa365be8f7bd7683ee30accc5eb4a28fc2e46910088239bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling dsc v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "b95d21c2e9a4ef44aa365be8f7bd7683ee30accc5eb4a28fc2e46910088239bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b95d21c2e9a4ef44aa365be8f7bd7683ee30accc5eb4a28fc2e46910088239bb", kill_on_drop: false }`
[INFO] [stdout] b95d21c2e9a4ef44aa365be8f7bd7683ee30accc5eb4a28fc2e46910088239bb
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65410b40f03e6a7a0aec0f56e37752d30c9f4c40ed0d3c3e13999892d0b31b0e
[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" "65410b40f03e6a7a0aec0f56e37752d30c9f4c40ed0d3c3e13999892d0b31b0e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dsc-a7d20e4915dc8d4c)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test concurrency::semaphore::tests::test_sem_basic ... ok
[INFO] [stdout] test concurrency::semaphore::tests::test_sem_multi_acquire_release ... ok
[INFO] [stdout] test candidate_selection::hashing::hashing_strategy::tests::sampling_strategy_seek_back_to_end ... ok
[INFO] [stdout] test concurrency::semaphore::tests::test_sem_as_mutex ... ok
[INFO] [stdout] test concurrency::semaphore::tests::test_sem_multi_resource ... ok
[INFO] [stdout] test concurrency::select::tests::select_send ... ok
[INFO] [stdout] test candidate_selection::hashing::hashing_strategy::tests::complete_strategy ... ok
[INFO] [stdout] test concurrency::select::tests::select_recv ... ok
[INFO] [stdout] test candidate_selection::hashing::hashing_strategy::tests::sampling_strategy_reach_until_end ... ok
[INFO] [stdout] test candidate_selection::hashing::hash_instructions::tests::correctly_calculates_block_limited_work_size ... ok
[INFO] [stdout] test concurrency::semaphore::tests::test_sem_runtime_friendly_blocking ... ok
[INFO] [stdout] test concurrency::semaphore::tests::test_sem_as_cvar ... ok
[INFO] [stdout] test concurrency::semaphore::tests::test_sem_acquire_release ... ok
[INFO] [stdout] test candidate_selection::hashing::hash_instructions::tests::correctly_calculates_limited_work_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "65410b40f03e6a7a0aec0f56e37752d30c9f4c40ed0d3c3e13999892d0b31b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65410b40f03e6a7a0aec0f56e37752d30c9f4c40ed0d3c3e13999892d0b31b0e", kill_on_drop: false }`
[INFO] [stdout] 65410b40f03e6a7a0aec0f56e37752d30c9f4c40ed0d3c3e13999892d0b31b0e