[INFO] updating cached repository https://github.com/yamafaktory/yume [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] c28e8aa57161704bbac5b3677357d8179b405dcc [INFO] checking yamafaktory/yume against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamafaktory%2Fyume" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yamafaktory/yume on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c [INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/yamafaktory/yume [INFO] finished tweaking git repo https://github.com/yamafaktory/yume [INFO] tweaked toml for git repo https://github.com/yamafaktory/yume written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/yamafaktory/yume already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "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] e6b167361d1c22a68796ccf0b5ba8280b7cab17a537275d2a2fffad54954d225 [INFO] running `"docker" "start" "-a" "e6b167361d1c22a68796ccf0b5ba8280b7cab17a537275d2a2fffad54954d225"` [INFO] [stderr] Checking subtle v2.2.2 [INFO] [stderr] Checking zeroize v1.1.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling ring v0.16.10 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Checking aead v0.2.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Checking crossbeam-epoch v0.8.0 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Compiling thiserror-impl v1.0.10 [INFO] [stderr] Checking universal-hash v0.3.0 [INFO] [stderr] Checking serde_json v1.0.46 [INFO] [stderr] Checking chacha20 v0.3.3 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Checking poly1305 v0.5.2 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking chacha20poly1305 v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking signal-hook v0.1.13 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking crossterm v0.15.0 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking thiserror v1.0.10 [INFO] [stderr] Checking broadcaster v0.2.6 [INFO] [stderr] Checking async-std v1.4.0 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking yume v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `sender` [INFO] [stderr] --> src/udp_utils.rs:27:6 [INFO] [stderr] | [INFO] [stderr] 27 | (sender, receiver): (Sender>, Receiver>), [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_sender` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `receiver` [INFO] [stderr] --> src/udp_utils.rs:27:14 [INFO] [stderr] | [INFO] [stderr] 27 | (sender, receiver): (Sender>, Receiver>), [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_receiver` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `receiver` [INFO] [stderr] --> src/udp_utils.rs:78:14 [INFO] [stderr] | [INFO] [stderr] 78 | (sender, receiver): (Sender>, Receiver>), [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_receiver` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sent` [INFO] [stderr] --> src/udp_utils.rs:100:24 [INFO] [stderr] | [INFO] [stderr] 100 | Ok(sent) => { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_sent` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sender` [INFO] [stderr] --> src/udp_utils.rs:27:6 [INFO] [stderr] | [INFO] [stderr] 27 | (sender, receiver): (Sender>, Receiver>), [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_sender` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `receiver` [INFO] [stderr] --> src/udp_utils.rs:27:14 [INFO] [stderr] | [INFO] [stderr] 27 | (sender, receiver): (Sender>, Receiver>), [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_receiver` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `receiver` [INFO] [stderr] --> src/udp_utils.rs:78:14 [INFO] [stderr] | [INFO] [stderr] 78 | (sender, receiver): (Sender>, Receiver>), [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_receiver` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sent` [INFO] [stderr] --> src/udp_utils.rs:100:24 [INFO] [stderr] | [INFO] [stderr] 100 | Ok(sent) => { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_sent` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.43s [INFO] running `"docker" "inspect" "e6b167361d1c22a68796ccf0b5ba8280b7cab17a537275d2a2fffad54954d225"` [INFO] running `"docker" "rm" "-f" "e6b167361d1c22a68796ccf0b5ba8280b7cab17a537275d2a2fffad54954d225"` [INFO] [stdout] e6b167361d1c22a68796ccf0b5ba8280b7cab17a537275d2a2fffad54954d225