[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] [stderr] From https://github.com/FedericoPonzi/lesser [INFO] [stderr] 289580b..c87ce99 master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c87ce99216496a5044cf72b169f97122a1443b4a [INFO] checking FedericoPonzi/lesser against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872 [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 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 [INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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" "+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] f3be0d41086ec3f27c5973f42c6b6dc08fb7d861382c4d4f36f4831b3e16061a [INFO] running `"docker" "start" "-a" "f3be0d41086ec3f27c5973f42c6b6dc08fb7d861382c4d4f36f4831b3e16061a"` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking arc-swap v0.4.5 [INFO] [stderr] Checking strsim v0.9.2 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking termion v1.5.3 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking signal-hook v0.1.13 [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: unreachable expression [INFO] [stderr] --> src/less/mod.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 61 | unimplemented!(); [INFO] [stderr] | ----------------- any code following this expression is unreachable [INFO] [stderr] 62 | MmapMut::map_anon(1).expect("Anon mmap").make_read_only()? [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rows` [INFO] [stderr] --> src/less/mod.rs:22:21 [INFO] [stderr] | [INFO] [stderr] 22 | let (_cols, mut rows) = terminal_size().unwrap_or_else(|_| (80, 80)); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `screen` [INFO] [stderr] --> src/less/mod.rs:21:19 [INFO] [stderr] | [INFO] [stderr] 21 | fn read_from_pipe(screen: &mut RawTerminal>) -> Mmap { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_screen` [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/less/mod.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 61 | unimplemented!(); [INFO] [stderr] | ----------------- any code following this expression is unreachable [INFO] [stderr] 62 | MmapMut::map_anon(1).expect("Anon mmap").make_read_only()? [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/less/mod.rs:22:17 [INFO] [stderr] | [INFO] [stderr] 22 | let (_cols, mut rows) = terminal_size().unwrap_or_else(|_| (80, 80)); [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: variable does not need to be mutable [INFO] [stderr] --> src/less/mod.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let mut mmap = unsafe { MmapMut::map_mut(&file).expect("Mmmap") }; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `write_line` [INFO] [stderr] --> src/less/mod.rs:170:4 [INFO] [stderr] | [INFO] [stderr] 170 | fn write_line( [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rows` [INFO] [stderr] --> src/less/mod.rs:22:21 [INFO] [stderr] | [INFO] [stderr] 22 | let (_cols, mut rows) = terminal_size().unwrap_or_else(|_| (80, 80)); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `screen` [INFO] [stderr] --> src/less/mod.rs:21:19 [INFO] [stderr] | [INFO] [stderr] 21 | fn read_from_pipe(screen: &mut RawTerminal>) -> Mmap { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_screen` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/less/mod.rs:22:17 [INFO] [stderr] | [INFO] [stderr] 22 | let (_cols, mut rows) = terminal_size().unwrap_or_else(|_| (80, 80)); [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: variable does not need to be mutable [INFO] [stderr] --> src/less/mod.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let mut mmap = unsafe { MmapMut::map_mut(&file).expect("Mmmap") }; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `write_line` [INFO] [stderr] --> src/less/mod.rs:170:4 [INFO] [stderr] | [INFO] [stderr] 170 | fn write_line( [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.82s [INFO] running `"docker" "inspect" "f3be0d41086ec3f27c5973f42c6b6dc08fb7d861382c4d4f36f4831b3e16061a"` [INFO] running `"docker" "rm" "-f" "f3be0d41086ec3f27c5973f42c6b6dc08fb7d861382c4d4f36f4831b3e16061a"` [INFO] [stdout] f3be0d41086ec3f27c5973f42c6b6dc08fb7d861382c4d4f36f4831b3e16061a