[INFO] cloning repository https://github.com/MateusAraujoBorges/rust-cses-challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MateusAraujoBorges/rust-cses-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMateusAraujoBorges%2Frust-cses-challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMateusAraujoBorges%2Frust-cses-challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c54bcf06560157db34c3d802c317faf4b3e969e
[INFO] testing MateusAraujoBorges/rust-cses-challenges against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMateusAraujoBorges%2Frust-cses-challenges" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MateusAraujoBorges/rust-cses-challenges
[INFO] finished tweaking git repo https://github.com/MateusAraujoBorges/rust-cses-challenges
[INFO] tweaked toml for git repo https://github.com/MateusAraujoBorges/rust-cses-challenges written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MateusAraujoBorges/rust-cses-challenges on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MateusAraujoBorges/rust-cses-challenges 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing MateusAraujoBorges/rust-cses-challenges against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMateusAraujoBorges%2Frust-cses-challenges" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MateusAraujoBorges/rust-cses-challenges
[INFO] finished tweaking git repo https://github.com/MateusAraujoBorges/rust-cses-challenges
[INFO] tweaked toml for git repo https://github.com/MateusAraujoBorges/rust-cses-challenges written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MateusAraujoBorges/rust-cses-challenges on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MateusAraujoBorges/rust-cses-challenges 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e4c4ebf4b527e54f3e194bc1a370dffc1fff019bc41d2356533343a8f7ae799
[INFO] running `Command { std: "docker" "start" "-a" "6e4c4ebf4b527e54f3e194bc1a370dffc1fff019bc41d2356533343a8f7ae799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e4c4ebf4b527e54f3e194bc1a370dffc1fff019bc41d2356533343a8f7ae799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4c4ebf4b527e54f3e194bc1a370dffc1fff019bc41d2356533343a8f7ae799", kill_on_drop: false }`
[INFO] [stdout] 6e4c4ebf4b527e54f3e194bc1a370dffc1fff019bc41d2356533343a8f7ae799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d64aa0c4beae201873bf653c88448f096056d97354a541b715d68fa87f38c8f3
[INFO] running `Command { std: "docker" "start" "-a" "d64aa0c4beae201873bf653c88448f096056d97354a541b715d68fa87f38c8f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cses v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0596]: cannot borrow `input` as mutable, as it is not declared as mutable
[INFO] [stdout]  --> src/bin/weird-alg.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     input.read_line(&mut line).unwrap();
[INFO] [stdout]   |     ^^^^^ cannot borrow as mutable
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut input = BufReader::new(std::io::stdin());
[INFO] [stdout]   |         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cses` (bin "weird-alg") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d64aa0c4beae201873bf653c88448f096056d97354a541b715d68fa87f38c8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64aa0c4beae201873bf653c88448f096056d97354a541b715d68fa87f38c8f3", kill_on_drop: false }`
[INFO] [stdout] d64aa0c4beae201873bf653c88448f096056d97354a541b715d68fa87f38c8f3