[INFO] updating cached repository https://github.com/FedericoPonzi/lesser
[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] 782f5d63d991b65de05efccd74591d0fd2ff17a3
[INFO] checking FedericoPonzi/lesser against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFedericoPonzi%2Flesser" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FedericoPonzi/lesser on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/FedericoPonzi/lesser
[INFO] finished tweaking git repo https://github.com/FedericoPonzi/lesser
[INFO] tweaked toml for git repo https://github.com/FedericoPonzi/lesser written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/FedericoPonzi/lesser already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 83b7b59e51ec5732b57d3c1495c45a2b9e7064f7f4453d4b924ad5fe47202e53
[INFO] running `"docker" "start" "-a" "83b7b59e51ec5732b57d3c1495c45a2b9e7064f7f4453d4b924ad5fe47202e53"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling clap_derive v0.3.0 (https://github.com/clap-rs/clap_derive#4a46684b)
[INFO] [stderr]     Checking clap v3.0.0-beta.1 (https://github.com/clap-rs/clap#335f34be)
[INFO] [stderr]     Checking lesser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `ScrollLeft`
[INFO] [stderr]  --> src/less/formats.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ScrollLeft,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ScrollRight`
[INFO] [stderr]   --> src/less/formats.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     ScrollRight,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `move_left`
[INFO] [stderr]   --> src/less/screen_move_handler.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub(crate) fn move_left() -> Result<PageToPrint> {
[INFO] [stderr]    |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `move_right`
[INFO] [stderr]   --> src/less/screen_move_handler.rs:29:19
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub(crate) fn move_right() -> Result<PageToPrint> {
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ScrollLeft`
[INFO] [stderr]  --> src/less/formats.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ScrollLeft,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ScrollRight`
[INFO] [stderr]   --> src/less/formats.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     ScrollRight,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `move_left`
[INFO] [stderr]   --> src/less/screen_move_handler.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub(crate) fn move_left() -> Result<PageToPrint> {
[INFO] [stderr]    |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `move_right`
[INFO] [stderr]   --> src/less/screen_move_handler.rs:29:19
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub(crate) fn move_right() -> Result<PageToPrint> {
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.06s
[INFO] running `"docker" "inspect" "83b7b59e51ec5732b57d3c1495c45a2b9e7064f7f4453d4b924ad5fe47202e53"`
[INFO] running `"docker" "rm" "-f" "83b7b59e51ec5732b57d3c1495c45a2b9e7064f7f4453d4b924ad5fe47202e53"`
[INFO] [stdout] 83b7b59e51ec5732b57d3c1495c45a2b9e7064f7f4453d4b924ad5fe47202e53