[INFO] updating cached repository wraithan/choice-bot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wraithan/choice-bot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wraithan/choice-bot" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/wraithan/choice-bot"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/wraithan/choice-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wraithan/choice-bot" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/wraithan/choice-bot"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/wraithan/choice-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3ca6754cbe1b71c0f3bb1b7027d089bed5e65987
[INFO] sha for GitHub repo wraithan/choice-bot: 3ca6754cbe1b71c0f3bb1b7027d089bed5e65987
[INFO] validating manifest of wraithan/choice-bot on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wraithan/choice-bot on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wraithan/choice-bot
[INFO] finished frobbing wraithan/choice-bot
[INFO] frobbed toml for wraithan/choice-bot written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/wraithan/choice-bot/Cargo.toml
[INFO] started frobbing wraithan/choice-bot
[INFO] finished frobbing wraithan/choice-bot
[INFO] frobbed toml for wraithan/choice-bot written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/wraithan/choice-bot/Cargo.toml
[INFO] crate wraithan/choice-bot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/wraithan/choice-bot/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wraithan/choice-bot against master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-6/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/wraithan/choice-bot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 34cbf1278444e17f4231f88912d96989fc65a7c01d4f405186ee40c8b5fc1a4f
[INFO] running `"docker" "start" "-a" "34cbf1278444e17f4231f88912d96989fc65a7c01d4f405186ee40c8b5fc1a4f"`
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling amqp v0.0.13
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking serde v0.6.15
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking serde_json v0.6.1
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking choice-bot v0.1.0 (/opt/crater/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 9.96s
[INFO] running `"docker" "inspect" "34cbf1278444e17f4231f88912d96989fc65a7c01d4f405186ee40c8b5fc1a4f"`
[INFO] running `"docker" "rm" "-f" "34cbf1278444e17f4231f88912d96989fc65a7c01d4f405186ee40c8b5fc1a4f"`
[INFO] [stdout] 34cbf1278444e17f4231f88912d96989fc65a7c01d4f405186ee40c8b5fc1a4f