[INFO] fetching crate slide 0.0.1...
[INFO] checking slide-0.0.1 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate slide 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate slide 0.0.1 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slide 0.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate slide 0.0.1
[INFO] tweaked toml for crates.io crate slide 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate slide 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.9.0
[INFO] [stderr]   Downloaded libslide v0.0.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cc715dc64000da9eb6eebd48134818589331f26cf75858d6e70da7e3efd0f6e
[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" "0cc715dc64000da9eb6eebd48134818589331f26cf75858d6e70da7e3efd0f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cc715dc64000da9eb6eebd48134818589331f26cf75858d6e70da7e3efd0f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cc715dc64000da9eb6eebd48134818589331f26cf75858d6e70da7e3efd0f6e", kill_on_drop: false }`
[INFO] [stdout] 0cc715dc64000da9eb6eebd48134818589331f26cf75858d6e70da7e3efd0f6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a2cef07396aa57efe692ab8a75691532c49e2aeff651490c59443215ad2134a
[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" "6a2cef07396aa57efe692ab8a75691532c49e2aeff651490c59443215ad2134a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.2.4
[INFO] [stderr]    Compiling rug v1.9.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "6a2cef07396aa57efe692ab8a75691532c49e2aeff651490c59443215ad2134a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2cef07396aa57efe692ab8a75691532c49e2aeff651490c59443215ad2134a", kill_on_drop: false }`
[INFO] [stdout] 6a2cef07396aa57efe692ab8a75691532c49e2aeff651490c59443215ad2134a