[INFO] cloning repository https://github.com/martin-t/sokoban-solver
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martin-t/sokoban-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartin-t%2Fsokoban-solver"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartin-t%2Fsokoban-solver'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c097332dfdee406b9820fb68458a9f319b43389c
[INFO] checking martin-t/sokoban-solver against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartin-t%2Fsokoban-solver" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martin-t/sokoban-solver on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/martin-t/sokoban-solver
[INFO] finished tweaking git repo https://github.com/martin-t/sokoban-solver
[INFO] tweaked toml for git repo https://github.com/martin-t/sokoban-solver written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/martin-t/sokoban-solver already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] 17587a233efcf7d7dfc31a818f99601960f2e7ef0686ec2d276f1d37c46f0584
[INFO] running `"docker" "start" "-a" "17587a233efcf7d7dfc31a818f99601960f2e7ef0686ec2d276f1d37c46f0584"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking separator v0.4.1
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking libc v0.2.68
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking sokoban-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: external crate `clap` unused in `sokoban_solver`: remove the dependency or add `use clap as _;`
[INFO] [stderr]   --> src/lib.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![feature(crate_visibility_modifier)]
[INFO] [stderr]    | ^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![warn(unused)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_crate_dependencies)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `env_logger` unused in `sokoban_solver`: remove the dependency or add `use env_logger as _;`
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(crate_visibility_modifier)]
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `clap` unused in `sokoban_solver`: remove the dependency or add `use clap as _;`
[INFO] [stderr]   --> src/lib.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![feature(crate_visibility_modifier)]
[INFO] [stderr]    | ^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![warn(unused)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_crate_dependencies)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `env_logger` unused in `sokoban_solver`: remove the dependency or add `use env_logger as _;`
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(crate_visibility_modifier)]
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `fnv` unused in `sokoban_solver`: remove the dependency or add `use fnv as _;`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_copy_implementations)]
[INFO] [stderr]   | ^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![warn(unused)]
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_crate_dependencies)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `separator` unused in `sokoban_solver`: remove the dependency or add `use separator as _;`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_copy_implementations)]
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `typed_arena` unused in `sokoban_solver`: remove the dependency or add `use typed_arena as _;`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_copy_implementations)]
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Checking assert_cmd v1.0.0
[INFO] [stderr] warning: external crate `assert_cmd` unused in `sokoban_solver`: remove the dependency or add `use assert_cmd as _;`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_copy_implementations)]
[INFO] [stderr]   | ^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![warn(unused)]
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_crate_dependencies)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `criterion` unused in `sokoban_solver`: remove the dependency or add `use criterion as _;`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_copy_implementations)]
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `difference` unused in `sokoban_solver`: remove the dependency or add `use difference as _;`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_copy_implementations)]
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `fnv` unused in `sokoban_solver`: remove the dependency or add `use fnv as _;`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_copy_implementations)]
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `separator` unused in `sokoban_solver`: remove the dependency or add `use separator as _;`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_copy_implementations)]
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `typed_arena` unused in `sokoban_solver`: remove the dependency or add `use typed_arena as _;`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_copy_implementations)]
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `assert_cmd` unused in `sokoban_solver`: remove the dependency or add `use assert_cmd as _;`
[INFO] [stderr]   --> src/lib.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![feature(crate_visibility_modifier)]
[INFO] [stderr]    | ^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![warn(unused)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_crate_dependencies)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `clap` unused in `sokoban_solver`: remove the dependency or add `use clap as _;`
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(crate_visibility_modifier)]
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `criterion` unused in `sokoban_solver`: remove the dependency or add `use criterion as _;`
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(crate_visibility_modifier)]
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `env_logger` unused in `sokoban_solver`: remove the dependency or add `use env_logger as _;`
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(crate_visibility_modifier)]
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `"docker" "inspect" "17587a233efcf7d7dfc31a818f99601960f2e7ef0686ec2d276f1d37c46f0584"`
[INFO] running `"docker" "rm" "-f" "17587a233efcf7d7dfc31a818f99601960f2e7ef0686ec2d276f1d37c46f0584"`
[INFO] [stdout] 17587a233efcf7d7dfc31a818f99601960f2e7ef0686ec2d276f1d37c46f0584