[INFO] updating cached repository https://github.com/BoogieP/CP-rust [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] be61e67accbc70a8d16abf71df71effdaff84621 [INFO] checking BoogieP/CP-rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBoogieP%2FCP-rust" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BoogieP/CP-rust 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/BoogieP/CP-rust [INFO] finished tweaking git repo https://github.com/BoogieP/CP-rust [INFO] tweaked toml for git repo https://github.com/BoogieP/CP-rust written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/BoogieP/CP-rust 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] a1f586b0def518f418ff3d0127bd119e2c331d4f46bcca8d4ca4c434295bd752 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "a1f586b0def518f418ff3d0127bd119e2c331d4f46bcca8d4ca4c434295bd752"` [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking regex v1.3.0 [INFO] [stderr] Checking cp v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `stdout` [INFO] [stderr] --> src/main.rs:3:22 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{stdin, stdout}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `scan` [INFO] [stderr] --> src/main.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | let mut scan = Scanner::default(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scan` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | let mut scan = Scanner::default(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking tinytemplate v1.0.2 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stderr] warning: unused import: `stdout` [INFO] [stderr] --> src/main.rs:3:22 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{stdin, stdout}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `scan` [INFO] [stderr] --> src/main.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | let mut scan = Scanner::default(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scan` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | let mut scan = Scanner::default(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.23s [INFO] running `"docker" "inspect" "a1f586b0def518f418ff3d0127bd119e2c331d4f46bcca8d4ca4c434295bd752"` [INFO] running `"docker" "rm" "-f" "a1f586b0def518f418ff3d0127bd119e2c331d4f46bcca8d4ca4c434295bd752"` [INFO] [stdout] a1f586b0def518f418ff3d0127bd119e2c331d4f46bcca8d4ca4c434295bd752