[INFO] updating cached repository https://github.com/piegamesde/jackmidiosc
[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] cb504c1afb0e961242f57c265473e11b8696a1d8
[INFO] checking piegamesde/jackmidiosc against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiegamesde%2Fjackmidiosc" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/piegamesde/jackmidiosc on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/piegamesde/jackmidiosc
[INFO] finished tweaking git repo https://github.com/piegamesde/jackmidiosc
[INFO] tweaked toml for git repo https://github.com/piegamesde/jackmidiosc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/piegamesde/jackmidiosc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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] c409244ff5c8de4c7437a787a7960a6f4d03beaa103d03a9019ed56c3aad21c2
[INFO] running `"docker" "start" "-a" "c409244ff5c8de4c7437a787a7960a6f4d03beaa103d03a9019ed56c3aad21c2"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]     Checking rosc v0.1.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking jack-sys v0.2.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking jack v0.6.0
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking simple_logger v1.3.0
[INFO] [stderr]     Checking jackmidiosc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the feature `option_flattening` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:43
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_trait, result_map_or_else, option_flattening)]
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `result_map_or_else` has been stable since 1.41.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_trait, result_map_or_else, option_flattening)]
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `option_flattening` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:43
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_trait, result_map_or_else, option_flattening)]
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `result_map_or_else` has been stable since 1.41.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_trait, result_map_or_else, option_flattening)]
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.68s
[INFO] running `"docker" "inspect" "c409244ff5c8de4c7437a787a7960a6f4d03beaa103d03a9019ed56c3aad21c2"`
[INFO] running `"docker" "rm" "-f" "c409244ff5c8de4c7437a787a7960a6f4d03beaa103d03a9019ed56c3aad21c2"`
[INFO] [stdout] c409244ff5c8de4c7437a787a7960a6f4d03beaa103d03a9019ed56c3aad21c2