[INFO] updating cached repository ruscur/snowpatch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ruscur/snowpatch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ruscur/snowpatch" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/ruscur/snowpatch"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/ruscur/snowpatch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ruscur/snowpatch" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/ruscur/snowpatch"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/ruscur/snowpatch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e24bf810eb9496993d80bd1554f9b185776259bc
[INFO] sha for GitHub repo ruscur/snowpatch: e24bf810eb9496993d80bd1554f9b185776259bc
[INFO] validating manifest of ruscur/snowpatch on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ruscur/snowpatch on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ruscur/snowpatch
[INFO] finished frobbing ruscur/snowpatch
[INFO] frobbed toml for ruscur/snowpatch written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/ruscur/snowpatch/Cargo.toml
[INFO] started frobbing ruscur/snowpatch
[INFO] finished frobbing ruscur/snowpatch
[INFO] frobbed toml for ruscur/snowpatch written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/ruscur/snowpatch/Cargo.toml
[INFO] crate ruscur/snowpatch already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ruscur/snowpatch against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-2/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/ruscur/snowpatch:/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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 834421f1f40ec93cf771330b5648d40f9760eba3b52b90ffc3219cc34df92bae
[INFO] running `"docker" "start" "-a" "834421f1f40ec93cf771330b5648d40f9760eba3b52b90ffc3219cc34df92bae"`
[INFO] [stderr]    Compiling curl-sys v0.4.16
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking reqwest v0.9.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling vergen v3.0.4
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling snowpatch v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking docopt v1.0.2
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr] error: variable does not need to be mutable
[INFO] [stderr]    --> src/jenkins.rs:121:24
[INFO] [stderr]     |
[INFO] [stderr] 121 |                     Ok(mut resp) => match resp.status().is_success() {
[INFO] [stderr]     |                        ----^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/main.rs:20:9
[INFO] [stderr]     |
[INFO] [stderr] 20  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: #[deny(unused_mut)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `snowpatch`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: variable does not need to be mutable
[INFO] [stderr]    --> src/jenkins.rs:121:24
[INFO] [stderr]     |
[INFO] [stderr] 121 |                     Ok(mut resp) => match resp.status().is_success() {
[INFO] [stderr]     |                        ----^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/main.rs:20:9
[INFO] [stderr]     |
[INFO] [stderr] 20  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: #[deny(unused_mut)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `snowpatch`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "834421f1f40ec93cf771330b5648d40f9760eba3b52b90ffc3219cc34df92bae"`
[INFO] running `"docker" "rm" "-f" "834421f1f40ec93cf771330b5648d40f9760eba3b52b90ffc3219cc34df92bae"`
[INFO] [stdout] 834421f1f40ec93cf771330b5648d40f9760eba3b52b90ffc3219cc34df92bae