[INFO] cloning repository https://github.com/Gumshoe21/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gumshoe21/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGumshoe21%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGumshoe21%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e5541b6e8c68faa25d9a02011d77f4428e96f7d
[INFO] checking Gumshoe21/rust-playground/5e5541b6e8c68faa25d9a02011d77f4428e96f7d against master#b44e14f762fd4062faeba97f8f2bc470298ec1ac for pr-135331
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGumshoe21%2Frust-playground" "/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/Gumshoe21/rust-playground on toolchain b44e14f762fd4062faeba97f8f2bc470298ec1ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gumshoe21/rust-playground
[INFO] finished tweaking git repo https://github.com/Gumshoe21/rust-playground
[INFO] tweaked toml for git repo https://github.com/Gumshoe21/rust-playground written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Gumshoe21/rust-playground 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" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80141c22127e43252044cac186c340d39ad1b44b9e61e4923c5dc415ef517ba8
[INFO] running `Command { std: "docker" "start" "-a" "80141c22127e43252044cac186c340d39ad1b44b9e61e4923c5dc415ef517ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80141c22127e43252044cac186c340d39ad1b44b9e61e4923c5dc415ef517ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80141c22127e43252044cac186c340d39ad1b44b9e61e4923c5dc415ef517ba8", kill_on_drop: false }`
[INFO] [stdout] 80141c22127e43252044cac186c340d39ad1b44b9e61e4923c5dc415ef517ba8
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d217a67fe856220c8c6e8982855549002a8415855fd6f4db0326b8b7922ad05
[INFO] running `Command { std: "docker" "start" "-a" "3d217a67fe856220c8c6e8982855549002a8415855fd6f4db0326b8b7922ad05", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/mymatchguard.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         (x, y) if x % 2 == 1 => println!("x % 2 == 1"),
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `0_u8..=u8::MAX` not covered
[INFO] [stdout]   --> src/mymatchguard.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     match number {
[INFO] [stdout]    |           ^^^^^^ pattern `0_u8..=u8::MAX` not covered
[INFO] [stdout]    |
[INFO] [stdout]    = note: the matched value is of type `u8`
[INFO] [stdout]    = note: match arms with guards don't count towards exhaustivity
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 17 ~         i if i < 0 => println!("i < 0"),
[INFO] [stdout] 18 ~         0_u8..=u8::MAX => todo!(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]  --> src/myparse.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn test_parse(val: &str) {
[INFO] [stdout]   |                   ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/mymatchguard.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         (x, y) if x % 2 == 1 => println!("x % 2 == 1"),
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-playground` (bin "rust-playground") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `0_u8..=u8::MAX` not covered
[INFO] [stdout]   --> src/mymatchguard.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     match number {
[INFO] [stdout]    |           ^^^^^^ pattern `0_u8..=u8::MAX` not covered
[INFO] [stdout]    |
[INFO] [stdout]    = note: the matched value is of type `u8`
[INFO] [stdout]    = note: match arms with guards don't count towards exhaustivity
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 17 ~         i if i < 0 => println!("i < 0"),
[INFO] [stdout] 18 ~         0_u8..=u8::MAX => todo!(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]  --> src/myparse.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn test_parse(val: &str) {
[INFO] [stdout]   |                   ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-playground` (bin "rust-playground" test) due to 1 previous error; 2 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d217a67fe856220c8c6e8982855549002a8415855fd6f4db0326b8b7922ad05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d217a67fe856220c8c6e8982855549002a8415855fd6f4db0326b8b7922ad05", kill_on_drop: false }`
[INFO] [stdout] 3d217a67fe856220c8c6e8982855549002a8415855fd6f4db0326b8b7922ad05