[INFO] fetching crate brainhug 0.5.0...
[INFO] testing brainhug-0.5.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate brainhug 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate brainhug 0.5.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brainhug 0.5.0
[INFO] finished tweaking crates.io crate brainhug 0.5.0
[INFO] tweaked toml for crates.io crate brainhug 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate brainhug 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 2e55803cca23041c548a78c999c1f8e4e101e7dfb7954a23d8af56c2b8b20f95
[INFO] running `Command { std: "docker" "start" "-a" "2e55803cca23041c548a78c999c1f8e4e101e7dfb7954a23d8af56c2b8b20f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e55803cca23041c548a78c999c1f8e4e101e7dfb7954a23d8af56c2b8b20f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e55803cca23041c548a78c999c1f8e4e101e7dfb7954a23d8af56c2b8b20f95", kill_on_drop: false }`
[INFO] [stdout] 2e55803cca23041c548a78c999c1f8e4e101e7dfb7954a23d8af56c2b8b20f95
[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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 228c5d53a9ea7ee076050776b493143acdf94c4e7d644cb278a5f761fa5bc15e
[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" "228c5d53a9ea7ee076050776b493143acdf94c4e7d644cb278a5f761fa5bc15e", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainhug v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "228c5d53a9ea7ee076050776b493143acdf94c4e7d644cb278a5f761fa5bc15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228c5d53a9ea7ee076050776b493143acdf94c4e7d644cb278a5f761fa5bc15e", kill_on_drop: false }`
[INFO] [stdout] 228c5d53a9ea7ee076050776b493143acdf94c4e7d644cb278a5f761fa5bc15e
[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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6c99ab24b8718337b47714245cf8ec861962e878075d19ca9022ebae21dac74
[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" "d6c99ab24b8718337b47714245cf8ec861962e878075d19ca9022ebae21dac74", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling criterion-plot v0.4.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling criterion v0.3.1
[INFO] [stderr]    Compiling brainhug v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "d6c99ab24b8718337b47714245cf8ec861962e878075d19ca9022ebae21dac74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c99ab24b8718337b47714245cf8ec861962e878075d19ca9022ebae21dac74", kill_on_drop: false }`
[INFO] [stdout] d6c99ab24b8718337b47714245cf8ec861962e878075d19ca9022ebae21dac74
[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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 4161ff7e15b49b56dc2461980aef669f8c5aa3d25810f8fef090d06a9b745bb3
[INFO] running `Command { std: "docker" "start" "-a" "4161ff7e15b49b56dc2461980aef669f8c5aa3d25810f8fef090d06a9b745bb3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/brainhug-52de84997c71f22f
[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]    Doc-tests brainhug
[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] running `Command { std: "docker" "inspect" "4161ff7e15b49b56dc2461980aef669f8c5aa3d25810f8fef090d06a9b745bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4161ff7e15b49b56dc2461980aef669f8c5aa3d25810f8fef090d06a9b745bb3", kill_on_drop: false }`
[INFO] [stdout] 4161ff7e15b49b56dc2461980aef669f8c5aa3d25810f8fef090d06a9b745bb3