[INFO] updating cached repository https://github.com/rhbvkleef/rust-eterm
[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/rhbvkleef/rust-eterm
[INFO] [stderr]    b33347f..a64df70  gh-pages   -> gh-pages
[INFO] [stderr]    2f3f87b..76db321  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 76db321e12709f604ebbde48bd240bbd3f0a818f
[INFO] checking rhbvkleef/rust-eterm against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69741
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhbvkleef%2Frust-eterm" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rhbvkleef/rust-eterm on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rhbvkleef/rust-eterm
[INFO] finished tweaking git repo https://github.com/rhbvkleef/rust-eterm
[INFO] tweaked toml for git repo https://github.com/rhbvkleef/rust-eterm written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/rhbvkleef/rust-eterm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 54de0aac3f6765d7b05b92c57991600af79ca8f859d82fae1952d5e5ae9d0697
[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" "54de0aac3f6765d7b05b92c57991600af79ca8f859d82fae1952d5e5ae9d0697"`
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking rust_eterm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `make_error`
[INFO] [stderr]    --> src/error.rs:198:4
[INFO] [stderr]     |
[INFO] [stderr] 198 | fn make_error(mut msg: String) -> Error {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_line_col`
[INFO] [stderr]    --> src/error.rs:209:4
[INFO] [stderr]     |
[INFO] [stderr] 209 | fn parse_line_col(msg: &mut String) -> Option<(usize, usize)> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `starts_with_digit`
[INFO] [stderr]    --> src/error.rs:248:4
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn starts_with_digit(slice: &str) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_error`
[INFO] [stderr]    --> src/error.rs:198:4
[INFO] [stderr]     |
[INFO] [stderr] 198 | fn make_error(mut msg: String) -> Error {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_line_col`
[INFO] [stderr]    --> src/error.rs:209:4
[INFO] [stderr]     |
[INFO] [stderr] 209 | fn parse_line_col(msg: &mut String) -> Option<(usize, usize)> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `starts_with_digit`
[INFO] [stderr]    --> src/error.rs:248:4
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn starts_with_digit(slice: &str) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `"docker" "inspect" "54de0aac3f6765d7b05b92c57991600af79ca8f859d82fae1952d5e5ae9d0697"`
[INFO] running `"docker" "rm" "-f" "54de0aac3f6765d7b05b92c57991600af79ca8f859d82fae1952d5e5ae9d0697"`
[INFO] [stdout] 54de0aac3f6765d7b05b92c57991600af79ca8f859d82fae1952d5e5ae9d0697