[INFO] cloning repository https://github.com/ROGR3/Recallo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ROGR3/Recallo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FROGR3%2FRecallo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FROGR3%2FRecallo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37039dc316cba7ada7a2d82f6a2845d98c05097d
[INFO] checking ROGR3/Recallo against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FROGR3%2FRecallo" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/ROGR3/Recallo
[INFO] finished tweaking git repo https://github.com/ROGR3/Recallo
[INFO] tweaked toml for git repo https://github.com/ROGR3/Recallo written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ROGR3/Recallo on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ROGR3/Recallo 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7094aa8f215dd0812bed34ffeb13e08edac511fbe30d52c7a1a108dafccc7ba6
[INFO] running `Command { std: "docker" "start" "-a" "7094aa8f215dd0812bed34ffeb13e08edac511fbe30d52c7a1a108dafccc7ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7094aa8f215dd0812bed34ffeb13e08edac511fbe30d52c7a1a108dafccc7ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7094aa8f215dd0812bed34ffeb13e08edac511fbe30d52c7a1a108dafccc7ba6", kill_on_drop: false }`
[INFO] [stdout] 7094aa8f215dd0812bed34ffeb13e08edac511fbe30d52c7a1a108dafccc7ba6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21a7549d63f98ac568e6edbd3e628f438b1649acacf123d4d416a096e8169b6f
[INFO] running `Command { std: "docker" "start" "-a" "21a7549d63f98ac568e6edbd3e628f438b1649acacf123d4d416a096e8169b6f", kill_on_drop: false }`
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/screens/game.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |     let mut score: Signal<usize> = use_signal(|| 0);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/screens/game.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |     let mut mistakes: Signal<usize> = use_signal(|| 0);
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/screens/game.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |     let mut penalty_total: Signal<f64> = use_signal(|| 0.0);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/screens/game.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |     let mut accumulated_secs: Signal<f64> = use_signal(|| 0.0);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `subject` is never used
[INFO] [stdout]   --> src/data/math_words.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl MathTopic {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn subject(&self) -> MathSubject {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/screens/game.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |     let mut score: Signal<usize> = use_signal(|| 0);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/screens/game.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |     let mut mistakes: Signal<usize> = use_signal(|| 0);
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/screens/game.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |     let mut penalty_total: Signal<f64> = use_signal(|| 0.0);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/screens/game.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |     let mut accumulated_secs: Signal<f64> = use_signal(|| 0.0);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `subject` is never used
[INFO] [stdout]   --> src/data/math_words.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl MathTopic {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn subject(&self) -> MathSubject {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 55s
[INFO] running `Command { std: "docker" "inspect" "21a7549d63f98ac568e6edbd3e628f438b1649acacf123d4d416a096e8169b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a7549d63f98ac568e6edbd3e628f438b1649acacf123d4d416a096e8169b6f", kill_on_drop: false }`
[INFO] [stdout] 21a7549d63f98ac568e6edbd3e628f438b1649acacf123d4d416a096e8169b6f
