[INFO] updating cached repository https://github.com/tdaira/rust-aoj [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] 48efbc53469bdd3b62c668ab54a94e9633160749 [INFO] checking tdaira/rust-aoj against try#e6563ac70cbfd3196492061900e9e9793e065e4d for pr-69410 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdaira%2Frust-aoj" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tdaira/rust-aoj on toolchain e6563ac70cbfd3196492061900e9e9793e065e4d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/tdaira/rust-aoj [INFO] finished tweaking git repo https://github.com/tdaira/rust-aoj [INFO] tweaked toml for git repo https://github.com/tdaira/rust-aoj written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/tdaira/rust-aoj already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "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] ee8eb1cc6576a139d99eb66384f3253e874e5e67f02a551f20a894089abdc22e [INFO] running `"docker" "start" "-a" "ee8eb1cc6576a139d99eb66384f3253e874e5e67f02a551f20a894089abdc22e"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rust-aoj v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: value assigned to `can_over_write` is never read [INFO] [stderr] --> src/0403/main.rs:36:17 [INFO] [stderr] | [INFO] [stderr] 36 | let mut can_over_write = false; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `left_distance` is never read [INFO] [stderr] --> src/0403/main.rs:87:21 [INFO] [stderr] | [INFO] [stderr] 87 | let mut left_distance = std::i64::MAX; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `right_distance` is never read [INFO] [stderr] --> src/0403/main.rs:88:21 [INFO] [stderr] | [INFO] [stderr] 88 | let mut right_distance = std::i64::MAX; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `can_over_write` is never read [INFO] [stderr] --> src/0403/main.rs:36:17 [INFO] [stderr] | [INFO] [stderr] 36 | let mut can_over_write = false; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `left_distance` is never read [INFO] [stderr] --> src/0403/main.rs:87:21 [INFO] [stderr] | [INFO] [stderr] 87 | let mut left_distance = std::i64::MAX; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `right_distance` is never read [INFO] [stderr] --> src/0403/main.rs:88:21 [INFO] [stderr] | [INFO] [stderr] 88 | let mut right_distance = std::i64::MAX; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.42s [INFO] running `"docker" "inspect" "ee8eb1cc6576a139d99eb66384f3253e874e5e67f02a551f20a894089abdc22e"` [INFO] running `"docker" "rm" "-f" "ee8eb1cc6576a139d99eb66384f3253e874e5e67f02a551f20a894089abdc22e"` [INFO] [stdout] ee8eb1cc6576a139d99eb66384f3253e874e5e67f02a551f20a894089abdc22e