[INFO] cloning repository https://github.com/zainsubhani/RustFileReader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zainsubhani/RustFileReader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzainsubhani%2FRustFileReader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzainsubhani%2FRustFileReader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4602bbd2088b6c1e60b023100384818b69900ef6
[INFO] checking zainsubhani/RustFileReader against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzainsubhani%2FRustFileReader" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zainsubhani/RustFileReader
[INFO] finished tweaking git repo https://github.com/zainsubhani/RustFileReader
[INFO] tweaked toml for git repo https://github.com/zainsubhani/RustFileReader written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zainsubhani/RustFileReader on toolchain f21fbac535ab2c3bc50db20547f4d48477357103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zainsubhani/RustFileReader 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" "+f21fbac535ab2c3bc50db20547f4d48477357103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 520112f85758bfc9cccd66dc2dc85a18acd746d4d2cbcc09b7dc0b9b8e716161
[INFO] running `Command { std: "docker" "start" "-a" "520112f85758bfc9cccd66dc2dc85a18acd746d4d2cbcc09b7dc0b9b8e716161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "520112f85758bfc9cccd66dc2dc85a18acd746d4d2cbcc09b7dc0b9b8e716161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520112f85758bfc9cccd66dc2dc85a18acd746d4d2cbcc09b7dc0b9b8e716161", kill_on_drop: false }`
[INFO] [stdout] 520112f85758bfc9cccd66dc2dc85a18acd746d4d2cbcc09b7dc0b9b8e716161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffd7ff41286d02d1c25a919d71f03d6baad026128db1763ff84d848687d7aca3
[INFO] running `Command { std: "docker" "start" "-a" "ffd7ff41286d02d1c25a919d71f03d6baad026128db1763ff84d848687d7aca3", kill_on_drop: false }`
[INFO] [stderr]     Checking file_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found keyword `pub`
[INFO] [stdout]   --> src/quiz1.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | mod pub tests {
[INFO] [stdout]    |     ^^^ expected identifier, found keyword
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `;` or `{`, found `tests`
[INFO] [stdout]   --> src/quiz1.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | mod pub tests {
[INFO] [stdout]    |         ^^^^^ expected one of `;` or `{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found keyword `pub`
[INFO] [stdout]   --> src/quiz1.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | mod pub tests {
[INFO] [stdout]    |     ^^^ expected identifier, found keyword
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `;` or `{`, found `tests`
[INFO] [stdout]   --> src/quiz1.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | mod pub tests {
[INFO] [stdout]    |         ^^^^^ expected one of `;` or `{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `file_reader` (bin "file_reader") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `file_reader` (bin "file_reader" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ffd7ff41286d02d1c25a919d71f03d6baad026128db1763ff84d848687d7aca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd7ff41286d02d1c25a919d71f03d6baad026128db1763ff84d848687d7aca3", kill_on_drop: false }`
[INFO] [stdout] ffd7ff41286d02d1c25a919d71f03d6baad026128db1763ff84d848687d7aca3