[INFO] cloning repository https://github.com/cwchentw/non-redundant-digits-rust-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cwchentw/non-redundant-digits-rust-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwchentw%2Fnon-redundant-digits-rust-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwchentw%2Fnon-redundant-digits-rust-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54f025a95cb38afa1f79729b2c38772a282310df
[INFO] checking cwchentw/non-redundant-digits-rust-demo against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwchentw%2Fnon-redundant-digits-rust-demo" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cwchentw/non-redundant-digits-rust-demo on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cwchentw/non-redundant-digits-rust-demo
[INFO] finished tweaking git repo https://github.com/cwchentw/non-redundant-digits-rust-demo
[INFO] tweaked toml for git repo https://github.com/cwchentw/non-redundant-digits-rust-demo written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/cwchentw/non-redundant-digits-rust-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaceb7ad152c5fcb2ae2fbe13944f770a05c65a7fb3bc54f4fe61969ca1f2d4d
[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" "aaceb7ad152c5fcb2ae2fbe13944f770a05c65a7fb3bc54f4fe61969ca1f2d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaceb7ad152c5fcb2ae2fbe13944f770a05c65a7fb3bc54f4fe61969ca1f2d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaceb7ad152c5fcb2ae2fbe13944f770a05c65a7fb3bc54f4fe61969ca1f2d4d", kill_on_drop: false }`
[INFO] [stdout] aaceb7ad152c5fcb2ae2fbe13944f770a05c65a7fb3bc54f4fe61969ca1f2d4d
[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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecf7e3dc845d66d450c755f2760f92cec2db627ab96f989920b78bbff6443c6a
[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" "ecf7e3dc845d66d450c755f2760f92cec2db627ab96f989920b78bbff6443c6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]     Checking enum-set v0.0.6
[INFO] [stderr]    Compiling xattr v0.1.10
[INFO] [stderr]    Compiling filetime v0.1.10
[INFO] [stderr]    Compiling tar v0.4.9
[INFO] [stderr]    Compiling bzip2-sys v0.1.4
[INFO] [stderr]    Compiling bzip2 v0.3.0
[INFO] [stderr]    Compiling libpcre-sys v0.2.2
[INFO] [stderr]     Checking pcre v0.2.3
[INFO] [stderr]     Checking nine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.53s
[INFO] running `Command { std: "docker" "inspect" "ecf7e3dc845d66d450c755f2760f92cec2db627ab96f989920b78bbff6443c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecf7e3dc845d66d450c755f2760f92cec2db627ab96f989920b78bbff6443c6a", kill_on_drop: false }`
[INFO] [stdout] ecf7e3dc845d66d450c755f2760f92cec2db627ab96f989920b78bbff6443c6a