[INFO] updating cached repository https://github.com/wraithan/choice-bot
[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] 3ca6754cbe1b71c0f3bb1b7027d089bed5e65987
[INFO] checking wraithan/choice-bot against master#4007d4ef26eab44bdabc2b7574d032152264d3ad for pr-66919
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwraithan%2Fchoice-bot" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wraithan/choice-bot on toolchain 4007d4ef26eab44bdabc2b7574d032152264d3ad
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/wraithan/choice-bot
[INFO] finished tweaking git repo https://github.com/wraithan/choice-bot
[INFO] tweaked toml for git repo https://github.com/wraithan/choice-bot written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/wraithan/choice-bot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "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] ac0b20de61fdb452188287966e5a8c02f93aadca3d284e6be7c8ba07ee32c403
[INFO] running `"docker" "start" "-a" "ac0b20de61fdb452188287966e5a8c02f93aadca3d284e6be7c8ba07ee32c403"`
[INFO] [stderr]    Compiling amqp v0.0.13
[INFO] [stderr]     Checking choice-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `consumer_name`
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let consumer_name = channel.basic_consume(consumer as ConsumerCallBackFn,
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_consumer_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `headers`
[INFO] [stderr]   --> src/main.rs:38:54
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn consumer(channel: &mut Channel, deliver: Deliver, headers: BasicProperties, body: Vec<u8>) {
[INFO] [stderr]    |                                                      ^^^^^^^ help: consider prefixing with an underscore: `_headers`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body`
[INFO] [stderr]   --> src/main.rs:38:80
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn consumer(channel: &mut Channel, deliver: Deliver, headers: BasicProperties, body: Vec<u8>) {
[INFO] [stderr]    |                                                                                ^^^^ help: consider prefixing with an underscore: `_body`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `consumer_name`
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let consumer_name = channel.basic_consume(consumer as ConsumerCallBackFn,
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_consumer_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `headers`
[INFO] [stderr]   --> src/main.rs:38:54
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn consumer(channel: &mut Channel, deliver: Deliver, headers: BasicProperties, body: Vec<u8>) {
[INFO] [stderr]    |                                                      ^^^^^^^ help: consider prefixing with an underscore: `_headers`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body`
[INFO] [stderr]   --> src/main.rs:38:80
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn consumer(channel: &mut Channel, deliver: Deliver, headers: BasicProperties, body: Vec<u8>) {
[INFO] [stderr]    |                                                                                ^^^^ help: consider prefixing with an underscore: `_body`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `"docker" "inspect" "ac0b20de61fdb452188287966e5a8c02f93aadca3d284e6be7c8ba07ee32c403"`
[INFO] running `"docker" "rm" "-f" "ac0b20de61fdb452188287966e5a8c02f93aadca3d284e6be7c8ba07ee32c403"`
[INFO] [stdout] ac0b20de61fdb452188287966e5a8c02f93aadca3d284e6be7c8ba07ee32c403