[INFO] cloning repository https://github.com/sleibrock/lpfx-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sleibrock/lpfx-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleibrock%2Flpfx-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleibrock%2Flpfx-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca2e988171dd9a0ea40111bc6436cb7b240d9e71
[INFO] checking sleibrock/lpfx-rs against try#f88e9a4452e792c29632101b348a1df9876d45cd for pr-70087
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleibrock%2Flpfx-rs" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sleibrock/lpfx-rs on toolchain f88e9a4452e792c29632101b348a1df9876d45cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sleibrock/lpfx-rs
[INFO] finished tweaking git repo https://github.com/sleibrock/lpfx-rs
[INFO] tweaked toml for git repo https://github.com/sleibrock/lpfx-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sleibrock/lpfx-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+f88e9a4452e792c29632101b348a1df9876d45cd" "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] 3749abb904f122d985e44b76681631f5c67ff1b0a8ffb87d1046c9837d6a9e2e
[INFO] running `"docker" "start" "-a" "3749abb904f122d985e44b76681631f5c67ff1b0a8ffb87d1046c9837d6a9e2e"`
[INFO] [stderr]     Checking lpfx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::colors::*`
[INFO] [stderr]  --> src/launchpad.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use super::colors::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::colors::*`
[INFO] [stderr]  --> src/launchpad.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use super::colors::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/launchpad.rs:172:6
[INFO] [stderr]     |
[INFO] [stderr] 172 |     for i in 0..39 {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/launchpad.rs:172:6
[INFO] [stderr]     |
[INFO] [stderr] 172 |     for i in 0..39 {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/allglow.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     play(&mut launchpad);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/bin/colfade.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     loop {
[INFO] [stderr] 32 | |
[INFO] [stderr] 33 | |     match v {
[INFO] [stderr] 34 | |         EightV::Vals(a,b,c,d,e,f,g,h) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |     v = shiftr(v);
[INFO] [stderr] 50 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 51 | 
[INFO] [stderr] 52 |       return Ok(());
[INFO] [stderr]    |       ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/colfade.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     play(&mut lp);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/rowcol.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     play(&mut lp);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/allglow.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     play(&mut launchpad);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/bin/shiftyrows.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     loop {
[INFO] [stderr] 32 | |
[INFO] [stderr] 33 | |     for r in 0..8 {
[INFO] [stderr] 34 | |         match v {
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |     v = shiftr(v);
[INFO] [stderr] 53 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 54 | 
[INFO] [stderr] 55 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/shiftyrows.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     play(&mut lp);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/bin/colfade.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     loop {
[INFO] [stderr] 32 | |
[INFO] [stderr] 33 | |     match v {
[INFO] [stderr] 34 | |         EightV::Vals(a,b,c,d,e,f,g,h) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |     v = shiftr(v);
[INFO] [stderr] 50 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 51 | 
[INFO] [stderr] 52 |       return Ok(());
[INFO] [stderr]    |       ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/bin/shiftyrows.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     loop {
[INFO] [stderr] 32 | |
[INFO] [stderr] 33 | |     for r in 0..8 {
[INFO] [stderr] 34 | |         match v {
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |     v = shiftr(v);
[INFO] [stderr] 53 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 54 | 
[INFO] [stderr] 55 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/colfade.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     play(&mut lp);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/rowcol.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     play(&mut lp);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/shiftyrows.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     play(&mut lp);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `"docker" "inspect" "3749abb904f122d985e44b76681631f5c67ff1b0a8ffb87d1046c9837d6a9e2e"`
[INFO] running `"docker" "rm" "-f" "3749abb904f122d985e44b76681631f5c67ff1b0a8ffb87d1046c9837d6a9e2e"`
[INFO] [stdout] 3749abb904f122d985e44b76681631f5c67ff1b0a8ffb87d1046c9837d6a9e2e