[INFO] cloning repository https://github.com/Cancain/rust_arena
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cancain/rust_arena" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCancain%2Frust_arena", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCancain%2Frust_arena'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 139f1603368b07ced0078101143c2aafa2854a6a
[INFO] checking Cancain/rust_arena/139f1603368b07ced0078101143c2aafa2854a6a against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCancain%2Frust_arena" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cancain/rust_arena on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cancain/rust_arena
[INFO] finished tweaking git repo https://github.com/Cancain/rust_arena
[INFO] tweaked toml for git repo https://github.com/Cancain/rust_arena written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Cancain/rust_arena 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1fe1a2c0fdb6a3f3704337af61d4babc448a4ccc044062bde33bb8b57fceb12
[INFO] running `Command { std: "docker" "start" "-a" "e1fe1a2c0fdb6a3f3704337af61d4babc448a4ccc044062bde33bb8b57fceb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1fe1a2c0fdb6a3f3704337af61d4babc448a4ccc044062bde33bb8b57fceb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1fe1a2c0fdb6a3f3704337af61d4babc448a4ccc044062bde33bb8b57fceb12", kill_on_drop: false }`
[INFO] [stdout] e1fe1a2c0fdb6a3f3704337af61d4babc448a4ccc044062bde33bb8b57fceb12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbd279bb23546ee1bdf21d3951d44ffa0a95b1ebdad44baf9226c1463afcf401
[INFO] running `Command { std: "docker" "start" "-a" "dbd279bb23546ee1bdf21d3951d44ffa0a95b1ebdad44baf9226c1463afcf401", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking rust_arena v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0384]: cannot assign to immutable argument `game_on`
[INFO] [stdout]   --> src/characters.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 |             "e" | "exit" => game_on = false,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^ cannot assign to immutable argument
[INFO] [stdout]    |
[INFO] [stdout] help: consider making this binding mutable
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn start_new_player_character(mut game_on: bool) -> Character {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0384]: cannot assign to immutable argument `game_on`
[INFO] [stdout]   --> src/characters.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 |             "e" | "exit" => game_on = false,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^ cannot assign to immutable argument
[INFO] [stdout]    |
[INFO] [stdout] help: consider making this binding mutable
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn start_new_player_character(mut game_on: bool) -> Character {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0384`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0384`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_arena` (bin "rust_arena") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust_arena` (bin "rust_arena" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "dbd279bb23546ee1bdf21d3951d44ffa0a95b1ebdad44baf9226c1463afcf401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd279bb23546ee1bdf21d3951d44ffa0a95b1ebdad44baf9226c1463afcf401", kill_on_drop: false }`
[INFO] [stdout] dbd279bb23546ee1bdf21d3951d44ffa0a95b1ebdad44baf9226c1463afcf401