[INFO] updating cached repository https://github.com/chucksmash/schaching [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] 6c28e2e4988413791ad4a4db533bcd360f96553a [INFO] checking chucksmash/schaching against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchucksmash%2Fschaching" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chucksmash/schaching on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69 [INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/chucksmash/schaching [INFO] finished tweaking git repo https://github.com/chucksmash/schaching [INFO] tweaked toml for git repo https://github.com/chucksmash/schaching written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/chucksmash/schaching already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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] 4d1ce116a4a21ab9dfb07b29091e30024d147e8f7f8f9187dd0980ba7bf25bb4 [INFO] running `"docker" "start" "-a" "4d1ce116a4a21ab9dfb07b29091e30024d147e8f7f8f9187dd0980ba7bf25bb4"` [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.2 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking aho-corasick v0.6.6 [INFO] [stderr] Checking schaching v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: the item `usize` is imported redundantly [INFO] [stderr] --> src/main.rs:73:17 [INFO] [stderr] | [INFO] [stderr] 12 | use std::usize; [INFO] [stderr] | ---------- the item `usize` is already imported here [INFO] [stderr] ... [INFO] [stderr] 73 | use std::usize; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `usize` is imported redundantly [INFO] [stderr] --> src/main.rs:73:17 [INFO] [stderr] | [INFO] [stderr] 12 | use std::usize; [INFO] [stderr] | ---------- the item `usize` is already imported here [INFO] [stderr] ... [INFO] [stderr] 73 | use std::usize; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `usize` is imported redundantly [INFO] [stderr] --> src/main.rs:106:17 [INFO] [stderr] | [INFO] [stderr] 12 | use std::usize; [INFO] [stderr] | ---------- the item `usize` is already imported here [INFO] [stderr] ... [INFO] [stderr] 106 | use std::usize; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `usize` is imported redundantly [INFO] [stderr] --> src/main.rs:178:17 [INFO] [stderr] | [INFO] [stderr] 12 | use std::usize; [INFO] [stderr] | ---------- the item `usize` is already imported here [INFO] [stderr] ... [INFO] [stderr] 178 | use std::usize; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `usize` is imported redundantly [INFO] [stderr] --> src/main.rs:186:17 [INFO] [stderr] | [INFO] [stderr] 12 | use std::usize; [INFO] [stderr] | ---------- the item `usize` is already imported here [INFO] [stderr] ... [INFO] [stderr] 186 | use std::usize; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `Piece` is imported redundantly [INFO] [stderr] --> src/main.rs:582:17 [INFO] [stderr] | [INFO] [stderr] 577 | use super::*; [INFO] [stderr] | -------- the item `Piece` is already imported here [INFO] [stderr] ... [INFO] [stderr] 582 | use super::super::piece::Piece; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `usize` is imported redundantly [INFO] [stderr] --> src/main.rs:106:17 [INFO] [stderr] | [INFO] [stderr] 12 | use std::usize; [INFO] [stderr] | ---------- the item `usize` is already imported here [INFO] [stderr] ... [INFO] [stderr] 106 | use std::usize; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `usize` is imported redundantly [INFO] [stderr] --> src/main.rs:178:17 [INFO] [stderr] | [INFO] [stderr] 12 | use std::usize; [INFO] [stderr] | ---------- the item `usize` is already imported here [INFO] [stderr] ... [INFO] [stderr] 178 | use std::usize; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `usize` is imported redundantly [INFO] [stderr] --> src/main.rs:186:17 [INFO] [stderr] | [INFO] [stderr] 12 | use std::usize; [INFO] [stderr] | ---------- the item `usize` is already imported here [INFO] [stderr] ... [INFO] [stderr] 186 | use std::usize; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.22s [INFO] running `"docker" "inspect" "4d1ce116a4a21ab9dfb07b29091e30024d147e8f7f8f9187dd0980ba7bf25bb4"` [INFO] running `"docker" "rm" "-f" "4d1ce116a4a21ab9dfb07b29091e30024d147e8f7f8f9187dd0980ba7bf25bb4"` [INFO] [stdout] 4d1ce116a4a21ab9dfb07b29091e30024d147e8f7f8f9187dd0980ba7bf25bb4