[INFO] cloning repository https://github.com/jaztec/rust-grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaztec/rust-grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaztec%2Frust-grep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaztec%2Frust-grep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c43adaac15818d0bb62b91674c9e63925a1f8e9
[INFO] checking jaztec/rust-grep against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaztec%2Frust-grep" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaztec/rust-grep on toolchain 96cfc75584359ae7ad11cc45968059f29e7b44b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaztec/rust-grep
[INFO] finished tweaking git repo https://github.com/jaztec/rust-grep
[INFO] tweaked toml for git repo https://github.com/jaztec/rust-grep written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jaztec/rust-grep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bf25e05a2411995bfc09d341bc99cf24551836957fc14a73d793d3bf3639f83
[INFO] running `Command { std: "docker" "start" "-a" "5bf25e05a2411995bfc09d341bc99cf24551836957fc14a73d793d3bf3639f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bf25e05a2411995bfc09d341bc99cf24551836957fc14a73d793d3bf3639f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bf25e05a2411995bfc09d341bc99cf24551836957fc14a73d793d3bf3639f83", kill_on_drop: false }`
[INFO] [stdout] 5bf25e05a2411995bfc09d341bc99cf24551836957fc14a73d793d3bf3639f83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d42ac8cb90c4940d56d45e1f02d2649afe130e8ad6fc652b062ffa5569253bb6
[INFO] running `Command { std: "docker" "start" "-a" "d42ac8cb90c4940d56d45e1f02d2649afe130e8ad6fc652b062ffa5569253bb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rust-grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `Command { std: "docker" "inspect" "d42ac8cb90c4940d56d45e1f02d2649afe130e8ad6fc652b062ffa5569253bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d42ac8cb90c4940d56d45e1f02d2649afe130e8ad6fc652b062ffa5569253bb6", kill_on_drop: false }`
[INFO] [stdout] d42ac8cb90c4940d56d45e1f02d2649afe130e8ad6fc652b062ffa5569253bb6