[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] testing danrspencer/adventofcode2019 against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrspencer%2Fadventofcode2019" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/danrspencer/adventofcode2019 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/danrspencer/adventofcode2019 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing danrspencer/adventofcode2019 against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrspencer%2Fadventofcode2019" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/danrspencer/adventofcode2019 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/danrspencer/adventofcode2019 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed8b1c535eef6b7ee566ba9510d8e932c82c3671653310fc0900c99ccf71c01f
[INFO] running `Command { std: "docker" "start" "-a" "ed8b1c535eef6b7ee566ba9510d8e932c82c3671653310fc0900c99ccf71c01f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed8b1c535eef6b7ee566ba9510d8e932c82c3671653310fc0900c99ccf71c01f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8b1c535eef6b7ee566ba9510d8e932c82c3671653310fc0900c99ccf71c01f", kill_on_drop: false }`
[INFO] [stdout] ed8b1c535eef6b7ee566ba9510d8e932c82c3671653310fc0900c99ccf71c01f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9188b70d5a36ba98250bf91f6993ef2480307ed7616df759d7af816c42877a0
[INFO] running `Command { std: "docker" "start" "-a" "b9188b70d5a36ba98250bf91f6993ef2480307ed7616df759d7af816c42877a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode2019` (bin "adventofcode2019") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b9188b70d5a36ba98250bf91f6993ef2480307ed7616df759d7af816c42877a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9188b70d5a36ba98250bf91f6993ef2480307ed7616df759d7af816c42877a0", kill_on_drop: false }`
[INFO] [stdout] b9188b70d5a36ba98250bf91f6993ef2480307ed7616df759d7af816c42877a0
