[INFO] updating cached repository Paxa/waithook
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Paxa/waithook
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Paxa/waithook" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Paxa/waithook"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Paxa/waithook'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Paxa/waithook" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Paxa/waithook"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Paxa/waithook'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 63fee73ba5f07a0ac5a85e4bfe28fe86bcbea84d
[INFO] sha for GitHub repo Paxa/waithook: 63fee73ba5f07a0ac5a85e4bfe28fe86bcbea84d
[INFO] validating manifest of Paxa/waithook on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Paxa/waithook on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Paxa/waithook
[INFO] finished frobbing Paxa/waithook
[INFO] frobbed toml for Paxa/waithook written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Paxa/waithook/Cargo.toml
[INFO] started frobbing Paxa/waithook
[INFO] finished frobbing Paxa/waithook
[INFO] frobbed toml for Paxa/waithook written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Paxa/waithook/Cargo.toml
[INFO] crate Paxa/waithook already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Paxa/waithook against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Paxa/waithook:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f2fab090990085de9a25a2e4a0605bc30caaeb5caa672cc1617b51aad42ca2b8
[INFO] running `"docker" "start" "-a" "f2fab090990085de9a25a2e4a0605bc30caaeb5caa672cc1617b51aad42ca2b8"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]    Compiling sentry v0.15.5
[INFO] [stderr]     Checking im v12.3.4
[INFO] [stderr]     Checking h2 v0.1.23
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking backtrace v0.3.30
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking regex v1.1.7
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking hyper v0.12.30
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]     Checking websocket v0.20.2 (https://github.com/paxa/rust-websocket.git#9f50cf15)
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde v1.0.92
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking debugid v0.4.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking sentry-types v0.11.0
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking waithook v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/waithook_utils.rs:100:25
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     let mut listeners = listeners_wrap.deref_mut();
[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/waithook_utils.rs:100:25
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     let mut listeners = listeners_wrap.deref_mut();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `"docker" "inspect" "f2fab090990085de9a25a2e4a0605bc30caaeb5caa672cc1617b51aad42ca2b8"`
[INFO] running `"docker" "rm" "-f" "f2fab090990085de9a25a2e4a0605bc30caaeb5caa672cc1617b51aad42ca2b8"`
[INFO] [stdout] f2fab090990085de9a25a2e4a0605bc30caaeb5caa672cc1617b51aad42ca2b8