[INFO] cloning repository https://github.com/bm-w/advent19-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bm-w/advent19-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbm-w%2Fadvent19-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbm-w%2Fadvent19-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9607844310ef6d248b76409e53d6950b35a516e
[INFO] checking bm-w/advent19-rs against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbm-w%2Fadvent19-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bm-w/advent19-rs on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bm-w/advent19-rs
[INFO] finished tweaking git repo https://github.com/bm-w/advent19-rs
[INFO] tweaked toml for git repo https://github.com/bm-w/advent19-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bm-w/advent19-rs 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" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b64810779604aacd2cd4996631e8543e81db8c8968ab40ef3b034d9d33a12b2
[INFO] running `Command { std: "docker" "start" "-a" "4b64810779604aacd2cd4996631e8543e81db8c8968ab40ef3b034d9d33a12b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b64810779604aacd2cd4996631e8543e81db8c8968ab40ef3b034d9d33a12b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b64810779604aacd2cd4996631e8543e81db8c8968ab40ef3b034d9d33a12b2", kill_on_drop: false }`
[INFO] [stdout] 4b64810779604aacd2cd4996631e8543e81db8c8968ab40ef3b034d9d33a12b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f055c3805755d1319aff585111e57aff2fec79f3820f1a32b8f7c4814d487f2a
[INFO] running `Command { std: "docker" "start" "-a" "f055c3805755d1319aff585111e57aff2fec79f3820f1a32b8f7c4814d487f2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling unindent v0.1.8
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling indoc v1.0.4
[INFO] [stderr]     Checking num-modular v0.5.1
[INFO] [stderr]     Checking advent19 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0502]: cannot borrow `droid` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/day15.rs:257:27
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let path = droid.path(&tiles, target).unwrap();
[INFO] [stdout]     |                    ----- immutable borrow occurs here
[INFO] [stdout] 256 |         for r#move in path {
[INFO] [stdout]     |                       ---- immutable borrow later used here
[INFO] [stdout] 257 |             let (tile_pos, tile) = droid.r#move(r#move, &mut program, &mut program_state);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `tiles` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/day15.rs:258:4
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let path = droid.path(&tiles, target).unwrap();
[INFO] [stdout]     |                               ------ immutable borrow occurs here
[INFO] [stdout] 256 |         for r#move in path {
[INFO] [stdout]     |                       ---- immutable borrow later used here
[INFO] [stdout] 257 |             let (tile_pos, tile) = droid.r#move(r#move, &mut program, &mut program_state);
[INFO] [stdout] 258 |             tiles.insert(tile_pos, tile);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `droid` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/day15.rs:257:27
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let path = droid.path(&tiles, target).unwrap();
[INFO] [stdout]     |                    ----- immutable borrow occurs here
[INFO] [stdout] 256 |         for r#move in path {
[INFO] [stdout]     |                       ---- immutable borrow later used here
[INFO] [stdout] 257 |             let (tile_pos, tile) = droid.r#move(r#move, &mut program, &mut program_state);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `tiles` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/day15.rs:258:4
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let path = droid.path(&tiles, target).unwrap();
[INFO] [stdout]     |                               ------ immutable borrow occurs here
[INFO] [stdout] 256 |         for r#move in path {
[INFO] [stdout]     |                       ---- immutable borrow later used here
[INFO] [stdout] 257 |             let (tile_pos, tile) = droid.r#move(r#move, &mut program, &mut program_state);
[INFO] [stdout] 258 |             tiles.insert(tile_pos, tile);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent19` (bin "advent19") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent19` (bin "advent19" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f055c3805755d1319aff585111e57aff2fec79f3820f1a32b8f7c4814d487f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f055c3805755d1319aff585111e57aff2fec79f3820f1a32b8f7c4814d487f2a", kill_on_drop: false }`
[INFO] [stdout] f055c3805755d1319aff585111e57aff2fec79f3820f1a32b8f7c4814d487f2a