[INFO] updating cached repository https://github.com/coreyja/rust-devicon-lookup
[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] [stderr] From https://github.com/coreyja/rust-devicon-lookup
[INFO] [stderr]  * [new branch]      dependabot/cargo/structopt-0.3.13 -> dependabot/cargo/structopt-0.3.13
[INFO] [stderr]    85f3d04..9f646f9  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f646f9c052b83f4e05941a200bb0849d60d9bac
[INFO] checking coreyja/rust-devicon-lookup against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreyja%2Frust-devicon-lookup" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coreyja/rust-devicon-lookup on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/coreyja/rust-devicon-lookup
[INFO] finished tweaking git repo https://github.com/coreyja/rust-devicon-lookup
[INFO] tweaked toml for git repo https://github.com/coreyja/rust-devicon-lookup written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/coreyja/rust-devicon-lookup already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] ad8b986312c787527f7ab8792c364e61a930744fedbf613d92516f228227f6f8
[INFO] running `"docker" "start" "-a" "ad8b986312c787527f7ab8792c364e61a930744fedbf613d92516f228227f6f8"`
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking devicon-lookup v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr] warning: unused import: `phf::phf_map`
[INFO] [stderr]  --> src/devicon_lookup.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use phf::phf_map;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stderr]  --> src/devicon_lookup.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use regex::Regex;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr] warning: unused import: `assert_cmd::prelude`
[INFO] [stderr]  --> tests/regex.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     use assert_cmd::prelude::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `predicates::prelude::*`
[INFO] [stderr]  --> tests/prefix.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     use predicates::prelude::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `phf::phf_map`
[INFO] [stderr]  --> src/devicon_lookup.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use phf::phf_map;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stderr]  --> src/devicon_lookup.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use regex::Regex;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `assert_cmd::prelude`
[INFO] [stderr]  --> tests/prefix.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     use assert_cmd::prelude::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `assert_cmd::prelude`
[INFO] [stderr]  --> benches/benchmark_cli.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use assert_cmd::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `"docker" "inspect" "ad8b986312c787527f7ab8792c364e61a930744fedbf613d92516f228227f6f8"`
[INFO] running `"docker" "rm" "-f" "ad8b986312c787527f7ab8792c364e61a930744fedbf613d92516f228227f6f8"`
[INFO] [stdout] ad8b986312c787527f7ab8792c364e61a930744fedbf613d92516f228227f6f8