[INFO] cloning repository https://github.com/minsys/int_to_roman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minsys/int_to_roman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminsys%2Fint_to_roman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminsys%2Fint_to_roman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc7a7c2486935757f596dfa820ac855a934e51dd
[INFO] checking minsys/int_to_roman against master#ecb170afc878648c3ae355dbd596c8e4b6f7ebdc for pr-139022
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminsys%2Fint_to_roman" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/minsys/int_to_roman on toolchain ecb170afc878648c3ae355dbd596c8e4b6f7ebdc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/minsys/int_to_roman
[INFO] finished tweaking git repo https://github.com/minsys/int_to_roman
[INFO] tweaked toml for git repo https://github.com/minsys/int_to_roman written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/minsys/int_to_roman 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" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9edaafe1e7e2db04a27abaf739677c87f44a7565caf5a528fdb1ed4759a7d287
[INFO] running `Command { std: "docker" "start" "-a" "9edaafe1e7e2db04a27abaf739677c87f44a7565caf5a528fdb1ed4759a7d287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9edaafe1e7e2db04a27abaf739677c87f44a7565caf5a528fdb1ed4759a7d287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9edaafe1e7e2db04a27abaf739677c87f44a7565caf5a528fdb1ed4759a7d287", kill_on_drop: false }`
[INFO] [stdout] 9edaafe1e7e2db04a27abaf739677c87f44a7565caf5a528fdb1ed4759a7d287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58be82f9e4f25d0d2ae0e315879d36491693df6bbaae0e1cc71bce78e8db8d39
[INFO] running `Command { std: "docker" "start" "-a" "58be82f9e4f25d0d2ae0e315879d36491693df6bbaae0e1cc71bce78e8db8d39", kill_on_drop: false }`
[INFO] [stderr]     Checking int_to_roman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `int_to_roman`
[INFO] [stdout]   --> src/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let result = int_to_roman::convert(a);
[INFO] [stdout]    |                  ^^^^^^^^^^^^ use of unresolved module or unlinked crate `int_to_roman`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `int_to_roman`, use `cargo add int_to_roman` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `int_to_roman` (bin "int_to_roman") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `int_to_roman`
[INFO] [stdout]   --> src/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let result = int_to_roman::convert(a);
[INFO] [stdout]    |                  ^^^^^^^^^^^^ use of unresolved module or unlinked crate `int_to_roman`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `int_to_roman`, use `cargo add int_to_roman` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `int_to_roman` (bin "int_to_roman" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "58be82f9e4f25d0d2ae0e315879d36491693df6bbaae0e1cc71bce78e8db8d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58be82f9e4f25d0d2ae0e315879d36491693df6bbaae0e1cc71bce78e8db8d39", kill_on_drop: false }`
[INFO] [stdout] 58be82f9e4f25d0d2ae0e315879d36491693df6bbaae0e1cc71bce78e8db8d39