[INFO] cloning repository https://github.com/erwinlean/practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erwinlean/practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferwinlean%2Fpractice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferwinlean%2Fpractice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0619a042b97941b2705ab1b9ba2f262c5db2015
[INFO] checking erwinlean/practice against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferwinlean%2Fpractice" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/erwinlean/practice
[INFO] finished tweaking git repo https://github.com/erwinlean/practice
[INFO] tweaked toml for git repo https://github.com/erwinlean/practice written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/erwinlean/practice on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/erwinlean/practice 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 853b1cbcfe6989502a37f698fb18cf9ac9ae760475b428020d0f32934be05d29
[INFO] running `Command { std: "docker" "start" "-a" "853b1cbcfe6989502a37f698fb18cf9ac9ae760475b428020d0f32934be05d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "853b1cbcfe6989502a37f698fb18cf9ac9ae760475b428020d0f32934be05d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "853b1cbcfe6989502a37f698fb18cf9ac9ae760475b428020d0f32934be05d29", kill_on_drop: false }`
[INFO] [stdout] 853b1cbcfe6989502a37f698fb18cf9ac9ae760475b428020d0f32934be05d29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca99b4d991735f2462279073bbd071da2aa9a9cddfac34ead7382fc1253d080a
[INFO] running `Command { std: "docker" "start" "-a" "ca99b4d991735f2462279073bbd071da2aa9a9cddfac34ead7382fc1253d080a", kill_on_drop: false }`
[INFO] [stderr]     Checking practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `1` and `2` are never read
[INFO] [stdout]   --> src/main.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |     struct TestStruct2(u8, char, String);
[INFO] [stdout]    |            -----------     ^^^^  ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/main.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |     struct KeyPress(String, char);
[INFO] [stdout]    |            -------- ^^^^^^  ^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `KeyPress` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:75:28
[INFO] [stdout]    |
[INFO] [stdout] 75 |     enum WebEvent { WELoad(bool), WEClick(MouseClick), WEKeys(KeyPress) }
[INFO] [stdout]    |                     ------ ^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WebEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 75 -     enum WebEvent { WELoad(bool), WEClick(MouseClick), WEKeys(KeyPress) }
[INFO] [stdout] 75 +     enum WebEvent { WELoad(()), WEClick(MouseClick), WEKeys(KeyPress) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:75:43
[INFO] [stdout]    |
[INFO] [stdout] 75 |     enum WebEvent { WELoad(bool), WEClick(MouseClick), WEKeys(KeyPress) }
[INFO] [stdout]    |                                   ------- ^^^^^^^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WebEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 75 -     enum WebEvent { WELoad(bool), WEClick(MouseClick), WEKeys(KeyPress) }
[INFO] [stdout] 75 +     enum WebEvent { WELoad(bool), WEClick(()), WEKeys(KeyPress) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:75:63
[INFO] [stdout]    |
[INFO] [stdout] 75 |     enum WebEvent { WELoad(bool), WEClick(MouseClick), WEKeys(KeyPress) }
[INFO] [stdout]    |                                                        ------ ^^^^^^^^
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WebEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 75 -     enum WebEvent { WELoad(bool), WEClick(MouseClick), WEKeys(KeyPress) }
[INFO] [stdout] 75 +     enum WebEvent { WELoad(bool), WEClick(MouseClick), WEKeys(()) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |         Manual(bool),
[INFO] [stdout]    |         ------ ^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Transmission` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 96 -         Manual(bool),
[INFO] [stdout] 96 +         Manual(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "ca99b4d991735f2462279073bbd071da2aa9a9cddfac34ead7382fc1253d080a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca99b4d991735f2462279073bbd071da2aa9a9cddfac34ead7382fc1253d080a", kill_on_drop: false }`
[INFO] [stdout] ca99b4d991735f2462279073bbd071da2aa9a9cddfac34ead7382fc1253d080a