[INFO] cloning repository https://github.com/liqargon/algorythm_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liqargon/algorythm_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliqargon%2Falgorythm_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliqargon%2Falgorythm_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6b8d04967d0af42acf8daa12c67c8c9769bd5ae
[INFO] checking liqargon/algorythm_rust against try#378b6a8a384b3bd0818af5f1745e5747a98bff7b for pr-95819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliqargon%2Falgorythm_rust" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liqargon/algorythm_rust on toolchain 378b6a8a384b3bd0818af5f1745e5747a98bff7b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-49/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/liqargon/algorythm_rust
[INFO] finished tweaking git repo https://github.com/liqargon/algorythm_rust
[INFO] tweaked toml for git repo https://github.com/liqargon/algorythm_rust written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/liqargon/algorythm_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7566af1c13327449cf1ac5bc6e2da83ca794f24ec269d3f64348d63d633dc6f
[INFO] running `Command { std: "docker" "start" "-a" "d7566af1c13327449cf1ac5bc6e2da83ca794f24ec269d3f64348d63d633dc6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7566af1c13327449cf1ac5bc6e2da83ca794f24ec269d3f64348d63d633dc6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7566af1c13327449cf1ac5bc6e2da83ca794f24ec269d3f64348d63d633dc6f", kill_on_drop: false }`
[INFO] [stdout] d7566af1c13327449cf1ac5bc6e2da83ca794f24ec269d3f64348d63d633dc6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b49c04ad5995be71a122bd7fb5e47b54d408b04cf1865e491e0f31be93b369bc
[INFO] running `Command { std: "docker" "start" "-a" "b49c04ad5995be71a122bd7fb5e47b54d408b04cf1865e491e0f31be93b369bc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking algorythm_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let n = m + 1;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let n = m + 1;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "b49c04ad5995be71a122bd7fb5e47b54d408b04cf1865e491e0f31be93b369bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b49c04ad5995be71a122bd7fb5e47b54d408b04cf1865e491e0f31be93b369bc", kill_on_drop: false }`
[INFO] [stdout] b49c04ad5995be71a122bd7fb5e47b54d408b04cf1865e491e0f31be93b369bc