[INFO] cloning repository https://github.com/davelively14/grep-lite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davelively14/grep-lite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavelively14%2Fgrep-lite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavelively14%2Fgrep-lite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c16ffaf92a96ab3b107cd27d9ef2213210dc7747
[INFO] checking davelively14/grep-lite against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavelively14%2Fgrep-lite" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davelively14/grep-lite on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davelively14/grep-lite
[INFO] finished tweaking git repo https://github.com/davelively14/grep-lite
[INFO] tweaked toml for git repo https://github.com/davelively14/grep-lite written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/davelively14/grep-lite already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.4
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.3
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded libc v0.2.59
[INFO] [stderr]   Downloaded regex-syntax v0.6.8
[INFO] [stderr]   Downloaded regex v1.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3a1e63fa69453c8cf57e34930bed0e9d803a653bb8fcb23ba208be11a197f03
[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" "a3a1e63fa69453c8cf57e34930bed0e9d803a653bb8fcb23ba208be11a197f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3a1e63fa69453c8cf57e34930bed0e9d803a653bb8fcb23ba208be11a197f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a1e63fa69453c8cf57e34930bed0e9d803a653bb8fcb23ba208be11a197f03", kill_on_drop: false }`
[INFO] [stdout] a3a1e63fa69453c8cf57e34930bed0e9d803a653bb8fcb23ba208be11a197f03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ced58888f4e03010955eefd7be1af6514c74b59b7c0f81abc471b345be75a21e
[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" "ced58888f4e03010955eefd7be1af6514c74b59b7c0f81abc471b345be75a21e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking grep-lite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.45s
[INFO] running `Command { std: "docker" "inspect" "ced58888f4e03010955eefd7be1af6514c74b59b7c0f81abc471b345be75a21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced58888f4e03010955eefd7be1af6514c74b59b7c0f81abc471b345be75a21e", kill_on_drop: false }`
[INFO] [stdout] ced58888f4e03010955eefd7be1af6514c74b59b7c0f81abc471b345be75a21e