[INFO] cloning repository https://github.com/simvux/smolgh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simvux/smolgh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimvux%2Fsmolgh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimvux%2Fsmolgh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1511c9e6ed0550fe1c819fb6fbeffc72363e5e27
[INFO] checking simvux/smolgh against c25253fac451fff60fb5b6c0b2c64d60f628c7cd for pr-160391
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimvux%2Fsmolgh" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/simvux/smolgh
[INFO] finished tweaking git repo https://github.com/simvux/smolgh
[INFO] tweaked toml for git repo https://github.com/simvux/smolgh written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/simvux/smolgh on toolchain c25253fac451fff60fb5b6c0b2c64d60f628c7cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c25253fac451fff60fb5b6c0b2c64d60f628c7cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/simvux/smolgh 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" "+c25253fac451fff60fb5b6c0b2c64d60f628c7cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.4.30
[INFO] [stderr]   Downloaded ron v0.12.1
[INFO] [stderr]   Downloaded git2 v0.21.0
[INFO] [stderr]   Downloaded libz-sys v1.1.29
[INFO] [stderr]   Downloaded libgit2-sys v0.18.5+1.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3cbac9add13f6e3559003d46cbb0b9c32be5868e70917042a7bc64344644a6e8
[INFO] running `Command { std: "docker" "start" "3cbac9add13f6e3559003d46cbb0b9c32be5868e70917042a7bc64344644a6e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cbac9add13f6e3559003d46cbb0b9c32be5868e70917042a7bc64344644a6e8", 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" "3cbac9add13f6e3559003d46cbb0b9c32be5868e70917042a7bc64344644a6e8" "/opt/rustwide/cargo-home/bin/cargo" "+c25253fac451fff60fb5b6c0b2c64d60f628c7cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cbac9add13f6e3559003d46cbb0b9c32be5868e70917042a7bc64344644a6e8", 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" "3cbac9add13f6e3559003d46cbb0b9c32be5868e70917042a7bc64344644a6e8" "/opt/rustwide/cargo-home/bin/cargo" "+c25253fac451fff60fb5b6c0b2c64d60f628c7cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking smolgh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `connection` is never read
[INFO] [stdout]    --> src/event/repo.rs:182:30
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut connection = None;
[INFO] [stdout]     |                              ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 189 |                 connection = Some(
[INFO] [stdout]     |                 ---------- `connection` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `connection` is never read
[INFO] [stdout]    --> src/event/repo.rs:182:30
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut connection = None;
[INFO] [stdout]     |                              ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 189 |                 connection = Some(
[INFO] [stdout]     |                 ---------- `connection` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "3cbac9add13f6e3559003d46cbb0b9c32be5868e70917042a7bc64344644a6e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cbac9add13f6e3559003d46cbb0b9c32be5868e70917042a7bc64344644a6e8", kill_on_drop: false }`
[INFO] [stdout] 3cbac9add13f6e3559003d46cbb0b9c32be5868e70917042a7bc64344644a6e8