[INFO] cloning repository https://github.com/winksaville/sr-counter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/winksaville/sr-counter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinksaville%2Fsr-counter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinksaville%2Fsr-counter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e48ea4cc135bbe6baaf911b6281fe0af09a41971
[INFO] checking winksaville/sr-counter against master#fffed276b51cf514622e8d3109d620501cc01670 for pr-134021
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinksaville%2Fsr-counter" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/winksaville/sr-counter
[INFO] finished tweaking git repo https://github.com/winksaville/sr-counter
[INFO] tweaked toml for git repo https://github.com/winksaville/sr-counter written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/winksaville/sr-counter on toolchain fffed276b51cf514622e8d3109d620501cc01670
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fffed276b51cf514622e8d3109d620501cc01670" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/winksaville/sr-counter 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" "+fffed276b51cf514622e8d3109d620501cc01670" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a475bb6da4c8ae131b58f54cc98b8ea601197c10d9ca0b5a06061622c6a4a19b
[INFO] running `Command { std: "docker" "start" "a475bb6da4c8ae131b58f54cc98b8ea601197c10d9ca0b5a06061622c6a4a19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a475bb6da4c8ae131b58f54cc98b8ea601197c10d9ca0b5a06061622c6a4a19b" "/opt/rustwide/cargo-home/bin/cargo" "+fffed276b51cf514622e8d3109d620501cc01670" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a475bb6da4c8ae131b58f54cc98b8ea601197c10d9ca0b5a06061622c6a4a19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a475bb6da4c8ae131b58f54cc98b8ea601197c10d9ca0b5a06061622c6a4a19b" "/opt/rustwide/cargo-home/bin/cargo" "+fffed276b51cf514622e8d3109d620501cc01670" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking sr-counter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 let mut sm = state.to_mut();
[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/main.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 let mut sm = state.to_mut();
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "a475bb6da4c8ae131b58f54cc98b8ea601197c10d9ca0b5a06061622c6a4a19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a475bb6da4c8ae131b58f54cc98b8ea601197c10d9ca0b5a06061622c6a4a19b", kill_on_drop: false }`
[INFO] [stdout] a475bb6da4c8ae131b58f54cc98b8ea601197c10d9ca0b5a06061622c6a4a19b
