[INFO] updating cached repository https://github.com/dantarian/adventofcode2019 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8addecbab315763dba92c7821092ae58bcdff265 [INFO] checking dantarian/adventofcode2019 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdantarian%2Fadventofcode2019" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dantarian/adventofcode2019 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790 [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/dantarian/adventofcode2019 [INFO] finished tweaking git repo https://github.com/dantarian/adventofcode2019 [INFO] tweaked toml for git repo https://github.com/dantarian/adventofcode2019 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/dantarian/adventofcode2019 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 25cebbd1ee278244a62f738a7590d8e118802dcd242bc952806e3998de2c19d7 [INFO] running `"docker" "start" "-a" "25cebbd1ee278244a62f738a7590d8e118802dcd242bc952806e3998de2c19d7"` [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling serial_test_derive v0.3.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Compiling structopt-derive v0.3.5 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking serial_test v0.3.2 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking gag v0.1.10 [INFO] [stderr] Checking structopt v0.3.5 [INFO] [stderr] Checking adventofcode2019 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:437:9 [INFO] [stderr] | [INFO] [stderr] 437 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:446:9 [INFO] [stderr] | [INFO] [stderr] 446 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:455:9 [INFO] [stderr] | [INFO] [stderr] 455 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:466:9 [INFO] [stderr] | [INFO] [stderr] 466 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:481:9 [INFO] [stderr] | [INFO] [stderr] 481 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:490:9 [INFO] [stderr] | [INFO] [stderr] 490 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:506:13 [INFO] [stderr] | [INFO] [stderr] 506 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:519:9 [INFO] [stderr] | [INFO] [stderr] 519 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:528:9 [INFO] [stderr] | [INFO] [stderr] 528 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:537:9 [INFO] [stderr] | [INFO] [stderr] 537 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:546:9 [INFO] [stderr] | [INFO] [stderr] 546 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:555:9 [INFO] [stderr] | [INFO] [stderr] 555 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:564:9 [INFO] [stderr] | [INFO] [stderr] 564 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:573:9 [INFO] [stderr] | [INFO] [stderr] 573 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:582:9 [INFO] [stderr] | [INFO] [stderr] 582 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:591:9 [INFO] [stderr] | [INFO] [stderr] 591 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:600:9 [INFO] [stderr] | [INFO] [stderr] 600 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:609:9 [INFO] [stderr] | [INFO] [stderr] 609 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/intcode.rs:618:9 [INFO] [stderr] | [INFO] [stderr] 618 | computer.step().is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: 19 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.26s [INFO] running `"docker" "inspect" "25cebbd1ee278244a62f738a7590d8e118802dcd242bc952806e3998de2c19d7"` [INFO] running `"docker" "rm" "-f" "25cebbd1ee278244a62f738a7590d8e118802dcd242bc952806e3998de2c19d7"` [INFO] [stdout] 25cebbd1ee278244a62f738a7590d8e118802dcd242bc952806e3998de2c19d7