[INFO] cloning repository https://github.com/jacek-kurlit/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacek-kurlit/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacek-kurlit%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacek-kurlit%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 094a35783aadb1f0c090a3d68900df0924ed2805
[INFO] checking jacek-kurlit/learning-rust against try#a0cd57eba5d417638d3351ba13fc414ad1a24bec for pr-134688
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacek-kurlit%2Flearning-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacek-kurlit/learning-rust on toolchain a0cd57eba5d417638d3351ba13fc414ad1a24bec
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jacek-kurlit/learning-rust
[INFO] finished tweaking git repo https://github.com/jacek-kurlit/learning-rust
[INFO] tweaked toml for git repo https://github.com/jacek-kurlit/learning-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jacek-kurlit/learning-rust 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" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86d8fa44e8e75c5a443f23762c47c2ea24924dc7eab917da421fc00cf99b19e3
[INFO] running `Command { std: "docker" "start" "-a" "86d8fa44e8e75c5a443f23762c47c2ea24924dc7eab917da421fc00cf99b19e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86d8fa44e8e75c5a443f23762c47c2ea24924dc7eab917da421fc00cf99b19e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d8fa44e8e75c5a443f23762c47c2ea24924dc7eab917da421fc00cf99b19e3", kill_on_drop: false }`
[INFO] [stdout] 86d8fa44e8e75c5a443f23762c47c2ea24924dc7eab917da421fc00cf99b19e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81a01abce67b079a44d8efa947ae30a6f69b013686b221e938e174fa217f60cc
[INFO] running `Command { std: "docker" "start" "-a" "81a01abce67b079a44d8efa947ae30a6f69b013686b221e938e174fa217f60cc", kill_on_drop: false }`
[INFO] [stderr]     Checking learning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `gg` in this scope
[INFO] [stdout]   --> src/topics/iterior_mutability/rc.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         gg
[INFO] [stdout]    |         ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/topics/iterior_mutability/rc.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `learning_rust` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "81a01abce67b079a44d8efa947ae30a6f69b013686b221e938e174fa217f60cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a01abce67b079a44d8efa947ae30a6f69b013686b221e938e174fa217f60cc", kill_on_drop: false }`
[INFO] [stdout] 81a01abce67b079a44d8efa947ae30a6f69b013686b221e938e174fa217f60cc