[INFO] cloning repository https://github.com/goshorting/lrn_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goshorting/lrn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoshorting%2Flrn_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoshorting%2Flrn_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c4ff01f5f11f9970de753604960676ce2868e703 [INFO] testing goshorting/lrn_rust against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoshorting%2Flrn_rust" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/goshorting/lrn_rust on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/goshorting/lrn_rust [INFO] finished tweaking git repo https://github.com/goshorting/lrn_rust [INFO] tweaked toml for git repo https://github.com/goshorting/lrn_rust written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/goshorting/lrn_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1e19f40d3795700218747960f370ee292ed99341bb48ab7d030fcd46537126e [INFO] running `Command { std: "docker" "start" "-a" "c1e19f40d3795700218747960f370ee292ed99341bb48ab7d030fcd46537126e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1e19f40d3795700218747960f370ee292ed99341bb48ab7d030fcd46537126e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1e19f40d3795700218747960f370ee292ed99341bb48ab7d030fcd46537126e", kill_on_drop: false }` [INFO] [stdout] c1e19f40d3795700218747960f370ee292ed99341bb48ab7d030fcd46537126e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d024ac73fb05ec6d115c2b106f072067ff8d46fdef7d1b9ac114c307e77c8e2b [INFO] running `Command { std: "docker" "start" "-a" "d024ac73fb05ec6d115c2b106f072067ff8d46fdef7d1b9ac114c307e77c8e2b", kill_on_drop: false }` [INFO] [stderr] Compiling lrn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `V` should have a snake case name [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | Ok(V) => println!("{}",V), [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `E` should have a snake case name [INFO] [stdout] --> src/main.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | Err(E) => println!("{}",E) [INFO] [stdout] | ^ help: convert the identifier to snake case: `e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "d024ac73fb05ec6d115c2b106f072067ff8d46fdef7d1b9ac114c307e77c8e2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d024ac73fb05ec6d115c2b106f072067ff8d46fdef7d1b9ac114c307e77c8e2b", kill_on_drop: false }` [INFO] [stdout] d024ac73fb05ec6d115c2b106f072067ff8d46fdef7d1b9ac114c307e77c8e2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d3cb9f583ace130c101ef3e0ab5fe5b2beaa9491d5ed6dd29c1add698e5636f [INFO] running `Command { std: "docker" "start" "-a" "4d3cb9f583ace130c101ef3e0ab5fe5b2beaa9491d5ed6dd29c1add698e5636f", kill_on_drop: false }` [INFO] [stderr] Compiling lrn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `V` should have a snake case name [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | Ok(V) => println!("{}",V), [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `E` should have a snake case name [INFO] [stdout] --> src/main.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | Err(E) => println!("{}",E) [INFO] [stdout] | ^ help: convert the identifier to snake case: `e` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.48s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4d3cb9f583ace130c101ef3e0ab5fe5b2beaa9491d5ed6dd29c1add698e5636f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d3cb9f583ace130c101ef3e0ab5fe5b2beaa9491d5ed6dd29c1add698e5636f", kill_on_drop: false }` [INFO] [stdout] 4d3cb9f583ace130c101ef3e0ab5fe5b2beaa9491d5ed6dd29c1add698e5636f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 92f1ed211167e94677e05907f52f39be649caf0873381dabb46f7867271a95ee [INFO] running `Command { std: "docker" "start" "-a" "92f1ed211167e94677e05907f52f39be649caf0873381dabb46f7867271a95ee", kill_on_drop: false }` [INFO] [stderr] warning: variable `V` should have a snake case name [INFO] [stderr] --> src/main.rs:3:12 [INFO] [stderr] | [INFO] [stderr] 3 | Ok(V) => println!("{}",V), [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `E` should have a snake case name [INFO] [stderr] --> src/main.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | Err(E) => println!("{}",E) [INFO] [stderr] | ^ help: convert the identifier to snake case: `e` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lrn-8db8b2b62c378ae3) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "92f1ed211167e94677e05907f52f39be649caf0873381dabb46f7867271a95ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92f1ed211167e94677e05907f52f39be649caf0873381dabb46f7867271a95ee", kill_on_drop: false }` [INFO] [stdout] 92f1ed211167e94677e05907f52f39be649caf0873381dabb46f7867271a95ee