[INFO] crate mpmc-scheduler 0.2.2 is already in cache
[INFO] extracting crate mpmc-scheduler 0.2.2 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/mpmc-scheduler/0.2.2
[INFO] extracting crate mpmc-scheduler 0.2.2 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/mpmc-scheduler/0.2.2
[INFO] validating manifest of mpmc-scheduler-0.2.2 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mpmc-scheduler-0.2.2 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mpmc-scheduler-0.2.2
[INFO] finished frobbing mpmc-scheduler-0.2.2
[INFO] frobbed toml for mpmc-scheduler-0.2.2 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/mpmc-scheduler/0.2.2/Cargo.toml
[INFO] started frobbing mpmc-scheduler-0.2.2
[INFO] finished frobbing mpmc-scheduler-0.2.2
[INFO] frobbed toml for mpmc-scheduler-0.2.2 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/mpmc-scheduler/0.2.2/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mpmc-scheduler-0.2.2 against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-4/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/mpmc-scheduler/0.2.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 58b6e06116550ef9a6c5e05e6cd85987316df660e9eedd4da132021a2b11978f
[INFO] running `"docker" "start" "-a" "58b6e06116550ef9a6c5e05e6cd85987316df660e9eedd4da132021a2b11978f"`
[INFO] [stderr]     Checking hazard v0.3.1
[INFO] [stderr]     Checking bus v2.2.1
[INFO] [stderr]     Checking npnc v0.2.1
[INFO] [stderr]     Checking mpmc-scheduler v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/lib.rs:508:24
[INFO] [stderr]     |
[INFO] [stderr] 508 |             Some(move |v| {
[INFO] [stderr]     |                        ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:630:21
[INFO] [stderr]     |
[INFO] [stderr] 630 |                 for i in start..end {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `i32` should have an upper camel case name
[INFO] [stderr]   --> examples/dynamic_dispatch.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     i32(i32),
[INFO] [stderr]    |     ^^^ help: convert the identifier to upper camel case: `I32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `"docker" "inspect" "58b6e06116550ef9a6c5e05e6cd85987316df660e9eedd4da132021a2b11978f"`
[INFO] running `"docker" "rm" "-f" "58b6e06116550ef9a6c5e05e6cd85987316df660e9eedd4da132021a2b11978f"`
[INFO] [stdout] 58b6e06116550ef9a6c5e05e6cd85987316df660e9eedd4da132021a2b11978f