[INFO] cloning repository https://github.com/ericlobdell/citybuilder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ericlobdell/citybuilder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericlobdell%2Fcitybuilder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericlobdell%2Fcitybuilder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fa4c5ad53cbb5ccade6aef750c84504b567537a
[INFO] checking ericlobdell/citybuilder against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericlobdell%2Fcitybuilder" "/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/ericlobdell/citybuilder on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ericlobdell/citybuilder
[INFO] finished tweaking git repo https://github.com/ericlobdell/citybuilder
[INFO] tweaked toml for git repo https://github.com/ericlobdell/citybuilder written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ericlobdell/citybuilder 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" "+506512391b1a75ae450d36c9420978402a91abcc" "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-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f375d8689e39ae080de85e4e8f81afceef0a7d52bc0806943d4ce4be8336692
[INFO] running `Command { std: "docker" "start" "-a" "2f375d8689e39ae080de85e4e8f81afceef0a7d52bc0806943d4ce4be8336692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f375d8689e39ae080de85e4e8f81afceef0a7d52bc0806943d4ce4be8336692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f375d8689e39ae080de85e4e8f81afceef0a7d52bc0806943d4ce4be8336692", kill_on_drop: false }`
[INFO] [stdout] 2f375d8689e39ae080de85e4e8f81afceef0a7d52bc0806943d4ce4be8336692
[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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 814e974ec3876f439c7c5bc654201104ef7875b7f3e19247fe1cd90d11678ac9
[INFO] running `Command { std: "docker" "start" "-a" "814e974ec3876f439c7c5bc654201104ef7875b7f3e19247fe1cd90d11678ac9", kill_on_drop: false }`
[INFO] [stderr]     Checking citybuilder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0596]: cannot borrow `grid.squares` as mutable, as `grid` is not declared as mutable
[INFO] [stdout]    --> src/main.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let grid = ::Grid::generate_empty(3, 3);
[INFO] [stdout]     |             ^^^^ not mutable
[INFO] [stdout] ...
[INFO] [stdout] 127 |         grid.squares[0] = stoneSqure;
[INFO] [stdout]     |         ------------ cannot borrow as mutable
[INFO] [stdout] 128 |         grid.squares[1] = playerSquare;
[INFO] [stdout]     |         ------------ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut grid = ::Grid::generate_empty(3, 3);
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `citybuilder` (bin "citybuilder" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "814e974ec3876f439c7c5bc654201104ef7875b7f3e19247fe1cd90d11678ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "814e974ec3876f439c7c5bc654201104ef7875b7f3e19247fe1cd90d11678ac9", kill_on_drop: false }`
[INFO] [stdout] 814e974ec3876f439c7c5bc654201104ef7875b7f3e19247fe1cd90d11678ac9
[INFO] checking ericlobdell/citybuilder against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericlobdell%2Fcitybuilder" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ericlobdell/citybuilder on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ericlobdell/citybuilder
[INFO] finished tweaking git repo https://github.com/ericlobdell/citybuilder
[INFO] tweaked toml for git repo https://github.com/ericlobdell/citybuilder written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ericlobdell/citybuilder 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25e36d471859ad49ea5b86c15fdd09816b540de163cd40239c6367aa9790d0cd
[INFO] running `Command { std: "docker" "start" "-a" "25e36d471859ad49ea5b86c15fdd09816b540de163cd40239c6367aa9790d0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25e36d471859ad49ea5b86c15fdd09816b540de163cd40239c6367aa9790d0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e36d471859ad49ea5b86c15fdd09816b540de163cd40239c6367aa9790d0cd", kill_on_drop: false }`
[INFO] [stdout] 25e36d471859ad49ea5b86c15fdd09816b540de163cd40239c6367aa9790d0cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c07aad362041d73c653ae6fca5436866fceb1988e4748efdda376492b50a34c
[INFO] running `Command { std: "docker" "start" "-a" "8c07aad362041d73c653ae6fca5436866fceb1988e4748efdda376492b50a34c", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "8c07aad362041d73c653ae6fca5436866fceb1988e4748efdda376492b50a34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c07aad362041d73c653ae6fca5436866fceb1988e4748efdda376492b50a34c", kill_on_drop: false }`
[INFO] [stdout] 8c07aad362041d73c653ae6fca5436866fceb1988e4748efdda376492b50a34c