[INFO] cloning repository https://github.com/stanpapa/rust-scf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stanpapa/rust-scf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanpapa%2Frust-scf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanpapa%2Frust-scf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02b168cd99a26d2ebc74d72a9f730407dd9d074c
[INFO] checking stanpapa/rust-scf against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanpapa%2Frust-scf" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stanpapa/rust-scf on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stanpapa/rust-scf
[INFO] finished tweaking git repo https://github.com/stanpapa/rust-scf
[INFO] tweaked toml for git repo https://github.com/stanpapa/rust-scf written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/stanpapa/rust-scf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ffe4f898c1e338728153d7b9db175f40f2971f3fb04ada5f3ddba07b1d88bc0
[INFO] running `Command { std: "docker" "start" "-a" "0ffe4f898c1e338728153d7b9db175f40f2971f3fb04ada5f3ddba07b1d88bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ffe4f898c1e338728153d7b9db175f40f2971f3fb04ada5f3ddba07b1d88bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffe4f898c1e338728153d7b9db175f40f2971f3fb04ada5f3ddba07b1d88bc0", kill_on_drop: false }`
[INFO] [stdout] 0ffe4f898c1e338728153d7b9db175f40f2971f3fb04ada5f3ddba07b1d88bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2995bb92d691448d55a694c03816af743edc5c757c3e2eddf122084fabef946e
[INFO] running `Command { std: "docker" "start" "-a" "2995bb92d691448d55a694c03816af743edc5c757c3e2eddf122084fabef946e", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-scf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0384]: cannot assign to immutable argument `l`
[INFO] [stdout]    --> src/tools/basis.rs:137:3
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn gaussian_components(l: &i32) -> Vec<[i32; 3]> {
[INFO] [stdout]     |                        - help: consider making this binding mutable: `mut l`
[INFO] [stdout] 136 |   let n = (l + 1) * (l + 2) / 2;
[INFO] [stdout] 137 |   l = &2;
[INFO] [stdout]     |   ^^^^^^ cannot assign to immutable argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0384`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-scf`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0384]: cannot assign to immutable argument `l`
[INFO] [stdout]    --> src/tools/basis.rs:137:3
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn gaussian_components(l: &i32) -> Vec<[i32; 3]> {
[INFO] [stdout]     |                        - help: consider making this binding mutable: `mut l`
[INFO] [stdout] 136 |   let n = (l + 1) * (l + 2) / 2;
[INFO] [stdout] 137 |   l = &2;
[INFO] [stdout]     |   ^^^^^^ cannot assign to immutable argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0384`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2995bb92d691448d55a694c03816af743edc5c757c3e2eddf122084fabef946e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2995bb92d691448d55a694c03816af743edc5c757c3e2eddf122084fabef946e", kill_on_drop: false }`
[INFO] [stdout] 2995bb92d691448d55a694c03816af743edc5c757c3e2eddf122084fabef946e