[INFO] updating cached repository https://github.com/Prior99/midi-strip-client [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] dd45132afabc5d94ba58156aff3e2b7e1b41cebc [INFO] checking Prior99/midi-strip-client against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrior99%2Fmidi-strip-client" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Prior99/midi-strip-client on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Prior99/midi-strip-client [INFO] finished tweaking git repo https://github.com/Prior99/midi-strip-client [INFO] tweaked toml for git repo https://github.com/Prior99/midi-strip-client written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/Prior99/midi-strip-client already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 4448fd9a5c08e887f0ead9cc27991639cd19a9dd8412c4ec06df39a5e884f7de [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" "4448fd9a5c08e887f0ead9cc27991639cd19a9dd8412c4ec06df39a5e884f7de"` [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Checking term v0.5.1 [INFO] [stderr] Checking nix v0.9.0 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling syn v0.15.6 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Checking phf v0.7.23 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Compiling palette v0.4.1 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking ws v0.7.8 [INFO] [stderr] Checking simplelog v0.5.2 [INFO] [stderr] Checking alsa v0.2.1 [INFO] [stderr] Compiling serde_derive v1.0.79 [INFO] [stderr] Checking midir v0.5.0 [INFO] [stderr] Compiling palette_derive v0.4.1 [INFO] [stderr] Checking serde_json v1.0.31 [INFO] [stderr] Checking midi-strip-client v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:66:17 [INFO] [stderr] | [INFO] [stderr] 66 | let mut midi = create_midi(); [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/main.rs:77:17 [INFO] [stderr] | [INFO] [stderr] 77 | let mut midi_client: Arc>> = Arc::new(RefCell::new(None)); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: the feature `duration_as_u128` has been stable since 1.33.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(duration_as_u128)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:66:17 [INFO] [stderr] | [INFO] [stderr] 66 | let mut midi = create_midi(); [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/main.rs:77:17 [INFO] [stderr] | [INFO] [stderr] 77 | let mut midi_client: Arc>> = Arc::new(RefCell::new(None)); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: the feature `duration_as_u128` has been stable since 1.33.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(duration_as_u128)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 09s [INFO] running `"docker" "inspect" "4448fd9a5c08e887f0ead9cc27991639cd19a9dd8412c4ec06df39a5e884f7de"` [INFO] running `"docker" "rm" "-f" "4448fd9a5c08e887f0ead9cc27991639cd19a9dd8412c4ec06df39a5e884f7de"` [INFO] [stdout] 4448fd9a5c08e887f0ead9cc27991639cd19a9dd8412c4ec06df39a5e884f7de