[INFO] cloning repository https://github.com/danrspencer/adventofcode2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danrspencer/adventofcode2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrspencer%2Fadventofcode2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrspencer%2Fadventofcode2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07c8be5edbed2441f180e2afb70a863a10b4b633
[INFO] checking danrspencer/adventofcode2019 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrspencer%2Fadventofcode2019" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danrspencer/adventofcode2019 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danrspencer/adventofcode2019
[INFO] finished tweaking git repo https://github.com/danrspencer/adventofcode2019
[INFO] tweaked toml for git repo https://github.com/danrspencer/adventofcode2019 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/danrspencer/adventofcode2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edc412bcb0463df1dd15d6a3ae5a0a3c1e5d859aa4e27c10d1466f70e9364d3b
[INFO] running `Command { std: "docker" "start" "-a" "edc412bcb0463df1dd15d6a3ae5a0a3c1e5d859aa4e27c10d1466f70e9364d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edc412bcb0463df1dd15d6a3ae5a0a3c1e5d859aa4e27c10d1466f70e9364d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc412bcb0463df1dd15d6a3ae5a0a3c1e5d859aa4e27c10d1466f70e9364d3b", kill_on_drop: false }`
[INFO] [stdout] edc412bcb0463df1dd15d6a3ae5a0a3c1e5d859aa4e27c10d1466f70e9364d3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f0e29b3d047ea00ede1d219d346d6406a7144fa01cc010156d734a23971d827
[INFO] running `Command { std: "docker" "start" "-a" "8f0e29b3d047ea00ede1d219d346d6406a7144fa01cc010156d734a23971d827", kill_on_drop: false }`
[INFO] [stderr]     Checking adventofcode2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0502]: cannot borrow `program` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/day2.rs:40:56
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let operation = program.get(pointer);
[INFO] [stdout]    |                         ------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 40 |         let output = program.get(pointer + 3).and_then(|op| program.get_mut(*op));
[INFO] [stdout]    |                                                        ^^^^ ------- second borrow occurs due to use of `program` in closure
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        mutable borrow occurs here
[INFO] [stdout] 41 | 
[INFO] [stdout] 42 |         let result = match operation {
[INFO] [stdout]    |                            --------- immutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode2019` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `program` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/day2.rs:40:56
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let operation = program.get(pointer);
[INFO] [stdout]    |                         ------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 40 |         let output = program.get(pointer + 3).and_then(|op| program.get_mut(*op));
[INFO] [stdout]    |                                                        ^^^^ ------- second borrow occurs due to use of `program` in closure
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        mutable borrow occurs here
[INFO] [stdout] 41 | 
[INFO] [stdout] 42 |         let result = match operation {
[INFO] [stdout]    |                            --------- immutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f0e29b3d047ea00ede1d219d346d6406a7144fa01cc010156d734a23971d827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0e29b3d047ea00ede1d219d346d6406a7144fa01cc010156d734a23971d827", kill_on_drop: false }`
[INFO] [stdout] 8f0e29b3d047ea00ede1d219d346d6406a7144fa01cc010156d734a23971d827