[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>` 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>` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Add>>` 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` [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 = 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` [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