[INFO] cloning repository https://github.com/mtj8/simple_grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mtj8/simple_grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtj8%2Fsimple_grep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtj8%2Fsimple_grep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b52d3094f8a62058c370119d72ef485f06ef542
[INFO] testing mtj8/simple_grep against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtj8%2Fsimple_grep" "/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/mtj8/simple_grep
[INFO] finished tweaking git repo https://github.com/mtj8/simple_grep
[INFO] tweaked toml for git repo https://github.com/mtj8/simple_grep written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mtj8/simple_grep on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mtj8/simple_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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f995c471add72462e4dfb49dc3315b9bd4220ff02a1e7c12e4565dc498dc9549
[INFO] running `Command { std: "docker" "start" "-a" "f995c471add72462e4dfb49dc3315b9bd4220ff02a1e7c12e4565dc498dc9549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f995c471add72462e4dfb49dc3315b9bd4220ff02a1e7c12e4565dc498dc9549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f995c471add72462e4dfb49dc3315b9bd4220ff02a1e7c12e4565dc498dc9549", kill_on_drop: false }`
[INFO] [stdout] f995c471add72462e4dfb49dc3315b9bd4220ff02a1e7c12e4565dc498dc9549
[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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a0114a0c07da0f89fdc5ccf13ecec906c35873cb38a0f4022f3cacda6119a17
[INFO] running `Command { std: "docker" "start" "-a" "2a0114a0c07da0f89fdc5ccf13ecec906c35873cb38a0f4022f3cacda6119a17", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]   --> src/lib.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |         }
[INFO] [stdout]    |          ^ help: add `;` here
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |         let file_path = match args.next() {
[INFO] [stdout]    |         --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]   --> src/lib.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |         }
[INFO] [stdout]    |          ^ help: add `;` here
[INFO] [stdout] 26 |
[INFO] [stdout] 27 |         let ignore_case = env::var("IGNORE_CASE").is_ok();
[INFO] [stdout]    |         --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple_grep` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2a0114a0c07da0f89fdc5ccf13ecec906c35873cb38a0f4022f3cacda6119a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0114a0c07da0f89fdc5ccf13ecec906c35873cb38a0f4022f3cacda6119a17", kill_on_drop: false }`
[INFO] [stdout] 2a0114a0c07da0f89fdc5ccf13ecec906c35873cb38a0f4022f3cacda6119a17