[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] checking AJTJ/rust_problems against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAJTJ%2Frust_problems" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AJTJ/rust_problems on toolchain 3e826bb11228508fbe749e594038d6727208aa94 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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-2/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" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a026185ec3e04db0e6119f2fee2761d059611ae586d02e210b6452cc56b38c9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3a026185ec3e04db0e6119f2fee2761d059611ae586d02e210b6452cc56b38c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a026185ec3e04db0e6119f2fee2761d059611ae586d02e210b6452cc56b38c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a026185ec3e04db0e6119f2fee2761d059611ae586d02e210b6452cc56b38c9", kill_on_drop: false }` [INFO] [stdout] 3a026185ec3e04db0e6119f2fee2761d059611ae586d02e210b6452cc56b38c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 754b866b51ae2688b9afe29c11a1f89e52f451ec04f0c2e14271fd3b6d30c00a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "754b866b51ae2688b9afe29c11a1f89e52f451ec04f0c2e14271fd3b6d30c00a", kill_on_drop: false }` [INFO] [stderr] Checking 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[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: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[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] [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "754b866b51ae2688b9afe29c11a1f89e52f451ec04f0c2e14271fd3b6d30c00a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "754b866b51ae2688b9afe29c11a1f89e52f451ec04f0c2e14271fd3b6d30c00a", kill_on_drop: false }` [INFO] [stdout] 754b866b51ae2688b9afe29c11a1f89e52f451ec04f0c2e14271fd3b6d30c00a