[INFO] fetching crate cuba 0.2.2...
[INFO] checking cuba-0.2.2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate cuba 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cuba 0.2.2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cuba 0.2.2
[INFO] finished tweaking crates.io crate cuba 0.2.2
[INFO] tweaked toml for crates.io crate cuba 0.2.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cuba 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b11275f2ede73b005c79786997eeab523bf0762912393a0d9b9250f94824710b
[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" "b11275f2ede73b005c79786997eeab523bf0762912393a0d9b9250f94824710b"`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cuba v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `ndim`
[INFO] [stderr]    --> src/lib.rs:571:9
[INFO] [stderr]     |
[INFO] [stderr] 571 |         ndim: *const c_int,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_ndim`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/lib.rs:572:9
[INFO] [stderr]     |
[INFO] [stderr] 572 |         b: *const c_double,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/lib.rs:573:9
[INFO] [stderr]     |
[INFO] [stderr] 573 |         n: *mut c_int,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:574:9
[INFO] [stderr]     |
[INFO] [stderr] 574 |         x: *mut c_double,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `userdata`
[INFO] [stderr]    --> src/lib.rs:575:9
[INFO] [stderr]     |
[INFO] [stderr] 575 |         userdata: *mut c_void,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_userdata`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ndim`
[INFO] [stderr]    --> src/lib.rs:571:9
[INFO] [stderr]     |
[INFO] [stderr] 571 |         ndim: *const c_int,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_ndim`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/lib.rs:572:9
[INFO] [stderr]     |
[INFO] [stderr] 572 |         b: *const c_double,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/lib.rs:573:9
[INFO] [stderr]     |
[INFO] [stderr] 573 |         n: *mut c_int,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:574:9
[INFO] [stderr]     |
[INFO] [stderr] 574 |         x: *mut c_double,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `userdata`
[INFO] [stderr]    --> src/lib.rs:575:9
[INFO] [stderr]     |
[INFO] [stderr] 575 |         userdata: *mut c_void,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_userdata`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `c_peakfinder`
[INFO] [stderr]    --> src/lib.rs:570:5
[INFO] [stderr]     |
[INFO] [stderr] 570 | /     extern "C" fn c_peakfinder(
[INFO] [stderr] 571 | |         ndim: *const c_int,
[INFO] [stderr] 572 | |         b: *const c_double,
[INFO] [stderr] 573 | |         n: *mut c_int,
[INFO] [stderr] ...   |
[INFO] [stderr] 577 | |         // TODO: call a safe peakfinder routine
[INFO] [stderr] 578 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `c_peakfinder`
[INFO] [stderr]    --> src/lib.rs:570:5
[INFO] [stderr]     |
[INFO] [stderr] 570 | /     extern "C" fn c_peakfinder(
[INFO] [stderr] 571 | |         ndim: *const c_int,
[INFO] [stderr] 572 | |         b: *const c_double,
[INFO] [stderr] 573 | |         n: *mut c_int,
[INFO] [stderr] ...   |
[INFO] [stderr] 577 | |         // TODO: call a safe peakfinder routine
[INFO] [stderr] 578 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "b11275f2ede73b005c79786997eeab523bf0762912393a0d9b9250f94824710b"`
[INFO] running `"docker" "rm" "-f" "b11275f2ede73b005c79786997eeab523bf0762912393a0d9b9250f94824710b"`
[INFO] [stdout] b11275f2ede73b005c79786997eeab523bf0762912393a0d9b9250f94824710b