[INFO] cloning repository https://github.com/gregfolker/grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregfolker/grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Fgrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Fgrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ce3b6ce9957c9fc03094799f7fb0ed4235c9082
[INFO] checking gregfolker/grep against try#579169d0e78824dc60934e5eb74cd3841f2b33e8 for pr-149328
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Fgrep" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gregfolker/grep
[INFO] finished tweaking git repo https://github.com/gregfolker/grep
[INFO] tweaked toml for git repo https://github.com/gregfolker/grep written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gregfolker/grep on toolchain 579169d0e78824dc60934e5eb74cd3841f2b33e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gregfolker/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" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e995bb43ea843c0f3c76a79c06cd8f979be36c85838fbf3f435c2e95f41350bd
[INFO] running `Command { std: "docker" "start" "-a" "e995bb43ea843c0f3c76a79c06cd8f979be36c85838fbf3f435c2e95f41350bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e995bb43ea843c0f3c76a79c06cd8f979be36c85838fbf3f435c2e95f41350bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e995bb43ea843c0f3c76a79c06cd8f979be36c85838fbf3f435c2e95f41350bd", kill_on_drop: false }`
[INFO] [stdout] e995bb43ea843c0f3c76a79c06cd8f979be36c85838fbf3f435c2e95f41350bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1230dea243569d71c59f652bc3b711f4f891e1026859cc24c483adafc3b50a37
[INFO] running `Command { std: "docker" "start" "-a" "1230dea243569d71c59f652bc3b711f4f891e1026859cc24c483adafc3b50a37", kill_on_drop: false }`
[INFO] [stderr]     Checking grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/lib.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |           let contents = "\
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 91 | |
[INFO] [stdout] 92 | | Rust:
[INFO] [stdout]    | |_^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/lib.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |           let contents = "\
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 91 | |
[INFO] [stdout] 92 | | Rust:
[INFO] [stdout]    | |_^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 |           let contents = "\
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 103 | |
[INFO] [stdout] 104 | | Rust:
[INFO] [stdout]     | |_^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 |           let contents = "\
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 103 | |
[INFO] [stdout] 104 | | Rust:
[INFO] [stdout]     | |_^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "1230dea243569d71c59f652bc3b711f4f891e1026859cc24c483adafc3b50a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1230dea243569d71c59f652bc3b711f4f891e1026859cc24c483adafc3b50a37", kill_on_drop: false }`
[INFO] [stdout] 1230dea243569d71c59f652bc3b711f4f891e1026859cc24c483adafc3b50a37