[INFO] crate mrh 0.10.11 is already in cache
[INFO] testing mrh-0.10.11 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate mrh 0.10.11 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mrh 0.10.11 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mrh 0.10.11
[INFO] finished tweaking crates.io crate mrh 0.10.11
[INFO] tweaked toml for crates.io crate mrh 0.10.11 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate mrh 0.10.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfec8b68cfb183d8f8c1fb7dd3835586dc3b907cce1d37741f5c36177b53fefe
[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" "bfec8b68cfb183d8f8c1fb7dd3835586dc3b907cce1d37741f5c36177b53fefe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfec8b68cfb183d8f8c1fb7dd3835586dc3b907cce1d37741f5c36177b53fefe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfec8b68cfb183d8f8c1fb7dd3835586dc3b907cce1d37741f5c36177b53fefe", kill_on_drop: false }`
[INFO] [stdout] bfec8b68cfb183d8f8c1fb7dd3835586dc3b907cce1d37741f5c36177b53fefe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d27cf5ee0e23d6e3f5d275ad0d42cf376e30982dbf8827112527e8437c1a3308
[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" "d27cf5ee0e23d6e3f5d275ad0d42cf376e30982dbf8827112527e8437c1a3308", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling libssh2-sys v0.2.16
[INFO] [stderr]    Compiling libgit2-sys v0.12.5+1.0.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling git2 v0.13.5
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling mrh v0.10.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.40s
[INFO] running `Command { std: "docker" "inspect" "d27cf5ee0e23d6e3f5d275ad0d42cf376e30982dbf8827112527e8437c1a3308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d27cf5ee0e23d6e3f5d275ad0d42cf376e30982dbf8827112527e8437c1a3308", kill_on_drop: false }`
[INFO] [stdout] d27cf5ee0e23d6e3f5d275ad0d42cf376e30982dbf8827112527e8437c1a3308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--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] 263b01b3ea11a30f3409237033687c53a2f90db790c319b640946fdecc2a80c2
[INFO] running `Command { std: "docker" "start" "-a" "263b01b3ea11a30f3409237033687c53a2f90db790c319b640946fdecc2a80c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mrh v0.10.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "263b01b3ea11a30f3409237033687c53a2f90db790c319b640946fdecc2a80c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263b01b3ea11a30f3409237033687c53a2f90db790c319b640946fdecc2a80c2", kill_on_drop: false }`
[INFO] [stdout] 263b01b3ea11a30f3409237033687c53a2f90db790c319b640946fdecc2a80c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 99fde44ce702b45937f0b3826e5212af2799d1c0088ee024884b047b4c33377b
[INFO] running `Command { std: "docker" "start" "-a" "99fde44ce702b45937f0b3826e5212af2799d1c0088ee024884b047b4c33377b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mrh-5cf73d4d4b30c23a
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mrh-99564171dc5249f5
[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] [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 mrh
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 24) ... 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" "99fde44ce702b45937f0b3826e5212af2799d1c0088ee024884b047b4c33377b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99fde44ce702b45937f0b3826e5212af2799d1c0088ee024884b047b4c33377b", kill_on_drop: false }`
[INFO] [stdout] 99fde44ce702b45937f0b3826e5212af2799d1c0088ee024884b047b4c33377b