[INFO] cloning repository https://github.com/AJTJ/rust_problems
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AJTJ/rust_problems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAJTJ%2Frust_problems", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAJTJ%2Frust_problems'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87f258cdf9eab9b23a01bba18486cecee34b3f8b
[INFO] testing AJTJ/rust_problems against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAJTJ%2Frust_problems" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AJTJ/rust_problems on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AJTJ/rust_problems
[INFO] finished tweaking git repo https://github.com/AJTJ/rust_problems
[INFO] tweaked toml for git repo https://github.com/AJTJ/rust_problems written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/AJTJ/rust_problems already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ffe7be59672b64fbe0bb5d3378ddfdbc5ba7c4e58e621f46fa70933a8e9e406
[INFO] running `Command { std: "docker" "start" "-a" "2ffe7be59672b64fbe0bb5d3378ddfdbc5ba7c4e58e621f46fa70933a8e9e406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ffe7be59672b64fbe0bb5d3378ddfdbc5ba7c4e58e621f46fa70933a8e9e406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ffe7be59672b64fbe0bb5d3378ddfdbc5ba7c4e58e621f46fa70933a8e9e406", kill_on_drop: false }`
[INFO] [stdout] 2ffe7be59672b64fbe0bb5d3378ddfdbc5ba7c4e58e621f46fa70933a8e9e406
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d18d849c850a13e76d05c8cd5d3af259a3df99b9f9424081311a3fd75a090577
[INFO] running `Command { std: "docker" "start" "-a" "d18d849c850a13e76d05c8cd5d3af259a3df99b9f9424081311a3fd75a090577", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_problems v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: cannot add `Option<Option<i32>>` to `&i32`
[INFO] [stdout]   --> src/main.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 if y + Some(first_value) == target {
[INFO] [stdout]    |                      ^ no implementation for `&i32 + Option<Option<i32>>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add<Option<Option<i32>>>` is not implemented for `&i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     second_index = *y;
[INFO] [stdout]    |                                    ^^
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    expected enum `Option`, found `i32`
[INFO] [stdout]    |                                    help: try using a variant of the expected enum: `Some(*y)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<i32>`
[INFO] [stdout]               found type `i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let my_vec: Vec<i32> = vec![first_index, second_index];
[INFO] [stdout]    |                                     ^^^^^^^^^^^ expected `i32`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `i32`
[INFO] [stdout]               found enum `Option<i32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_problems`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d18d849c850a13e76d05c8cd5d3af259a3df99b9f9424081311a3fd75a090577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18d849c850a13e76d05c8cd5d3af259a3df99b9f9424081311a3fd75a090577", kill_on_drop: false }`
[INFO] [stdout] d18d849c850a13e76d05c8cd5d3af259a3df99b9f9424081311a3fd75a090577
