[INFO] updating cached repository https://github.com/cjmochrie/Advent-of-Code-2017 [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] 4dee8ec92972b670e8feb5086cb2db7381608423 [INFO] checking cjmochrie/Advent-of-Code-2017 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjmochrie%2FAdvent-of-Code-2017" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cjmochrie/Advent-of-Code-2017 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/cjmochrie/Advent-of-Code-2017 [INFO] finished tweaking git repo https://github.com/cjmochrie/Advent-of-Code-2017 [INFO] tweaked toml for git repo https://github.com/cjmochrie/Advent-of-Code-2017 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/cjmochrie/Advent-of-Code-2017 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] ae3f3fd7fbcf70365927369a391fa3614beeef2294b68d62b1c3077f9891e8f4 [INFO] running `"docker" "start" "-a" "ae3f3fd7fbcf70365927369a391fa3614beeef2294b68d62b1c3077f9891e8f4"` [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking regex v0.2.3 [INFO] [stderr] Checking advent_of_code v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/problems/day_2.rs:23:51 [INFO] [stderr] | [INFO] [stderr] 23 | fn string_to_digit_rows<'a>(data: &'a str) -> Box> + 'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + 'a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `Op` is imported redundantly [INFO] [stderr] --> src/problems/day_8.rs:98:7 [INFO] [stderr] | [INFO] [stderr] 36 | / enum Op { [INFO] [stderr] 37 | | Inc, [INFO] [stderr] 38 | | Dec, [INFO] [stderr] 39 | | } [INFO] [stderr] | |_- the item `Op` is already defined here [INFO] [stderr] ... [INFO] [stderr] 98 | use self::Op; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:11:51 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn run(config: &Config) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/problems/day_2.rs:23:51 [INFO] [stderr] | [INFO] [stderr] 23 | fn string_to_digit_rows<'a>(data: &'a str) -> Box> + 'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + 'a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `Op` is imported redundantly [INFO] [stderr] --> src/problems/day_8.rs:98:7 [INFO] [stderr] | [INFO] [stderr] 36 | / enum Op { [INFO] [stderr] 37 | | Inc, [INFO] [stderr] 38 | | Dec, [INFO] [stderr] 39 | | } [INFO] [stderr] | |_- the item `Op` is already defined here [INFO] [stderr] ... [INFO] [stderr] 98 | use self::Op; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:11:51 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn run(config: &Config) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.09s [INFO] running `"docker" "inspect" "ae3f3fd7fbcf70365927369a391fa3614beeef2294b68d62b1c3077f9891e8f4"` [INFO] running `"docker" "rm" "-f" "ae3f3fd7fbcf70365927369a391fa3614beeef2294b68d62b1c3077f9891e8f4"` [INFO] [stdout] ae3f3fd7fbcf70365927369a391fa3614beeef2294b68d62b1c3077f9891e8f4