[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 try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrspencer%2Fadventofcode2019" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danrspencer/adventofcode2019 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-11/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c155ecdbfc5ff6f26074c00316ded42133f57e3770f8edbb17359a1e4f8cd2e
[INFO] running `Command { std: "docker" "start" "-a" "1c155ecdbfc5ff6f26074c00316ded42133f57e3770f8edbb17359a1e4f8cd2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c155ecdbfc5ff6f26074c00316ded42133f57e3770f8edbb17359a1e4f8cd2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c155ecdbfc5ff6f26074c00316ded42133f57e3770f8edbb17359a1e4f8cd2e", kill_on_drop: false }`
[INFO] [stdout] 1c155ecdbfc5ff6f26074c00316ded42133f57e3770f8edbb17359a1e4f8cd2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08a0178d5bc333aebb4fc1372fc87bb0fa975e51939e275e6e7c377d0785de65
[INFO] running `Command { std: "docker" "start" "-a" "08a0178d5bc333aebb4fc1372fc87bb0fa975e51939e275e6e7c377d0785de65", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking adventofcode2019 v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[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] [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] [stderr] error: could not compile `adventofcode2019` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [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] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "08a0178d5bc333aebb4fc1372fc87bb0fa975e51939e275e6e7c377d0785de65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a0178d5bc333aebb4fc1372fc87bb0fa975e51939e275e6e7c377d0785de65", kill_on_drop: false }`
[INFO] [stdout] 08a0178d5bc333aebb4fc1372fc87bb0fa975e51939e275e6e7c377d0785de65