[INFO] cloning repository https://github.com/chaseklake/playing-with-matches.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chaseklake/playing-with-matches.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaseklake%2Fplaying-with-matches.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaseklake%2Fplaying-with-matches.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 580a077d702d1f21c9916013713a79949048b844 [INFO] testing chaseklake/playing-with-matches.rs against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaseklake%2Fplaying-with-matches.rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chaseklake/playing-with-matches.rs on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chaseklake/playing-with-matches.rs [INFO] finished tweaking git repo https://github.com/chaseklake/playing-with-matches.rs [INFO] tweaked toml for git repo https://github.com/chaseklake/playing-with-matches.rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/chaseklake/playing-with-matches.rs 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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 [ERROR] error running command: no output for 300 seconds [INFO] testing chaseklake/playing-with-matches.rs against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaseklake%2Fplaying-with-matches.rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chaseklake/playing-with-matches.rs on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chaseklake/playing-with-matches.rs [INFO] finished tweaking git repo https://github.com/chaseklake/playing-with-matches.rs [INFO] tweaked toml for git repo https://github.com/chaseklake/playing-with-matches.rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/chaseklake/playing-with-matches.rs 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b20a182e9b3b72e515b4a267cdeefeada4ece9bb4b070273b5bd2a691117d55 [INFO] running `Command { std: "docker" "start" "-a" "1b20a182e9b3b72e515b4a267cdeefeada4ece9bb4b070273b5bd2a691117d55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b20a182e9b3b72e515b4a267cdeefeada4ece9bb4b070273b5bd2a691117d55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b20a182e9b3b72e515b4a267cdeefeada4ece9bb4b070273b5bd2a691117d55", kill_on_drop: false }` [INFO] [stdout] 1b20a182e9b3b72e515b4a267cdeefeada4ece9bb4b070273b5bd2a691117d55 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8b510d18ac0cd96d6525ad9fac1b665a80ed635271f412127301d2e439b5dba [INFO] running `Command { std: "docker" "start" "-a" "f8b510d18ac0cd96d6525ad9fac1b665a80ed635271f412127301d2e439b5dba", kill_on_drop: false }` [INFO] [stderr] Compiling playing-with-matches v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | _ => println!("No idea what this is.") // catch-all pattern, when you don't want to use the variable [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 18 | Coin::Penny => println!("Penny!"), [INFO] [stdout] | ----------- matches some of the same values [INFO] [stdout] 19 | Coin::Nickel => println!("Nickel!"), [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] 20 | other => println!("Not a penny or nickel! It's a {:?}", &other), // uses a custom variable to handle edge cases [INFO] [stdout] | ----- matches some of the same values [INFO] [stdout] 21 | _ => println!("No idea what this is.") // catch-all pattern, when you don't want to use the variable [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `distance` [INFO] [stdout] --> src/main.rs:90:16 [INFO] [stdout] | [INFO] [stdout] 90 | fn move_player(distance: u8) {} [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_distance` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Alabama`, `Alaska`, and `Arkansas` are never constructed [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | enum UsState { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 48 | Alabama, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 49 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 50 | Arizona, [INFO] [stdout] 51 | Arkansas, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Penny` and `Dime` are never constructed [INFO] [stdout] --> src/main.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 56 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 57 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 58 | Nickel, [INFO] [stdout] 59 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Coin` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "f8b510d18ac0cd96d6525ad9fac1b665a80ed635271f412127301d2e439b5dba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8b510d18ac0cd96d6525ad9fac1b665a80ed635271f412127301d2e439b5dba", kill_on_drop: false }` [INFO] [stdout] f8b510d18ac0cd96d6525ad9fac1b665a80ed635271f412127301d2e439b5dba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba8f18b0c66757de734d3a22439f7d18ca8e011ed86315a3fd760019a4df06d9 [INFO] running `Command { std: "docker" "start" "-a" "ba8f18b0c66757de734d3a22439f7d18ca8e011ed86315a3fd760019a4df06d9", kill_on_drop: false }` [INFO] [stderr] Compiling playing-with-matches v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | _ => println!("No idea what this is.") // catch-all pattern, when you don't want to use the variable [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 18 | Coin::Penny => println!("Penny!"), [INFO] [stdout] | ----------- matches some of the same values [INFO] [stdout] 19 | Coin::Nickel => println!("Nickel!"), [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] 20 | other => println!("Not a penny or nickel! It's a {:?}", &other), // uses a custom variable to handle edge cases [INFO] [stdout] | ----- matches some of the same values [INFO] [stdout] 21 | _ => println!("No idea what this is.") // catch-all pattern, when you don't want to use the variable [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `distance` [INFO] [stdout] --> src/main.rs:90:16 [INFO] [stdout] | [INFO] [stdout] 90 | fn move_player(distance: u8) {} [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_distance` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Alabama`, `Alaska`, and `Arkansas` are never constructed [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | enum UsState { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 48 | Alabama, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 49 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 50 | Arizona, [INFO] [stdout] 51 | Arkansas, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Penny` and `Dime` are never constructed [INFO] [stdout] --> src/main.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 56 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 57 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 58 | Nickel, [INFO] [stdout] 59 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Coin` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "ba8f18b0c66757de734d3a22439f7d18ca8e011ed86315a3fd760019a4df06d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba8f18b0c66757de734d3a22439f7d18ca8e011ed86315a3fd760019a4df06d9", kill_on_drop: false }` [INFO] [stdout] ba8f18b0c66757de734d3a22439f7d18ca8e011ed86315a3fd760019a4df06d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ab0b88b48dac2ab567a3b699485f440d20bbdc21e26a1c1600a665d89e1f86af [INFO] running `Command { std: "docker" "start" "-a" "ab0b88b48dac2ab567a3b699485f440d20bbdc21e26a1c1600a665d89e1f86af", kill_on_drop: false }` [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/main.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | _ => println!("No idea what this is.") // catch-all pattern, when you don't want to use the variable [INFO] [stderr] | ^ no value can reach this [INFO] [stderr] | [INFO] [stderr] note: multiple earlier patterns match some of the same values [INFO] [stderr] --> src/main.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 18 | Coin::Penny => println!("Penny!"), [INFO] [stderr] | ----------- matches some of the same values [INFO] [stderr] 19 | Coin::Nickel => println!("Nickel!"), [INFO] [stderr] | ------------ matches some of the same values [INFO] [stderr] 20 | other => println!("Not a penny or nickel! It's a {:?}", &other), // uses a custom variable to handle edge cases [INFO] [stderr] | ----- matches some of the same values [INFO] [stderr] 21 | _ => println!("No idea what this is.") // catch-all pattern, when you don't want to use the variable [INFO] [stderr] | ^ collectively making this unreachable [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `distance` [INFO] [stderr] --> src/main.rs:90:16 [INFO] [stderr] | [INFO] [stderr] 90 | fn move_player(distance: u8) {} [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_distance` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variants `Alabama`, `Alaska`, and `Arkansas` are never constructed [INFO] [stderr] --> src/main.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 47 | enum UsState { [INFO] [stderr] | ------- variants in this enum [INFO] [stderr] 48 | Alabama, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 49 | Alaska, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 50 | Arizona, [INFO] [stderr] 51 | Arkansas, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variants `Penny` and `Dime` are never constructed [INFO] [stderr] --> src/main.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 56 | enum Coin { [INFO] [stderr] | ---- variants in this enum [INFO] [stderr] 57 | Penny, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 58 | Nickel, [INFO] [stderr] 59 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Coin` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `playing-with-matches` (bin "playing-with-matches" test) generated 4 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/playing_with_matches-9ea2cc897f6a3dde) [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" "ab0b88b48dac2ab567a3b699485f440d20bbdc21e26a1c1600a665d89e1f86af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab0b88b48dac2ab567a3b699485f440d20bbdc21e26a1c1600a665d89e1f86af", kill_on_drop: false }` [INFO] [stdout] ab0b88b48dac2ab567a3b699485f440d20bbdc21e26a1c1600a665d89e1f86af