[INFO] updating cached repository Arekkusuva/try-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Arekkusuva/try-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Arekkusuva/try-rust" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/Arekkusuva/try-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/Arekkusuva/try-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Arekkusuva/try-rust" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/Arekkusuva/try-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/Arekkusuva/try-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 453065a21eca81b37b0511d5558c30272c961d5c
[INFO] sha for GitHub repo Arekkusuva/try-rust: 453065a21eca81b37b0511d5558c30272c961d5c
[INFO] validating manifest of Arekkusuva/try-rust on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Arekkusuva/try-rust on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Arekkusuva/try-rust
[INFO] finished frobbing Arekkusuva/try-rust
[INFO] frobbed toml for Arekkusuva/try-rust written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/Arekkusuva/try-rust/Cargo.toml
[INFO] started frobbing Arekkusuva/try-rust
[INFO] finished frobbing Arekkusuva/try-rust
[INFO] frobbed toml for Arekkusuva/try-rust written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/Arekkusuva/try-rust/Cargo.toml
[INFO] crate Arekkusuva/try-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Arekkusuva/try-rust against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-2/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/Arekkusuva/try-rust:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 932de5639d3ab6f48e46c34a6272064e0e38aefeb2235ad3f719b02a13f76f61
[INFO] running `"docker" "start" "-a" "932de5639d3ab6f48e46c34a6272064e0e38aefeb2235ad3f719b02a13f76f61"`
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.15
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking serde-value v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.39
[INFO] [stderr]     Checking log4rs v0.8.0
[INFO] [stderr]     Checking zoma v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/watcher.rs:28:30
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn update(&mut self, c: conf::Config) {
[INFO] [stderr]    |                              ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:33:29
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn start(&mut self, task_name: String) {
[INFO] [stderr]    |                             ^^^^^^^^^ help: consider prefixing with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:38:28
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn stop(&mut self, task_name: String) {
[INFO] [stderr]    |                            ^^^^^^^^^ help: consider prefixing with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn status(&self, task_name: String) -> bool {
[INFO] [stderr]    |                          ^^^^^^^^^ help: consider prefixing with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/watcher.rs:28:30
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn update(&mut self, c: conf::Config) {
[INFO] [stderr]    |                              ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:33:29
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn start(&mut self, task_name: String) {
[INFO] [stderr]    |                             ^^^^^^^^^ help: consider prefixing with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:38:28
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn stop(&mut self, task_name: String) {
[INFO] [stderr]    |                            ^^^^^^^^^ help: consider prefixing with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn status(&self, task_name: String) -> bool {
[INFO] [stderr]    |                          ^^^^^^^^^ help: consider prefixing with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.55s
[INFO] running `"docker" "inspect" "932de5639d3ab6f48e46c34a6272064e0e38aefeb2235ad3f719b02a13f76f61"`
[INFO] running `"docker" "rm" "-f" "932de5639d3ab6f48e46c34a6272064e0e38aefeb2235ad3f719b02a13f76f61"`
[INFO] [stdout] 932de5639d3ab6f48e46c34a6272064e0e38aefeb2235ad3f719b02a13f76f61