[INFO] updating cached repository cyberwinter/first-crate
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cyberwinter/first-crate
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cyberwinter/first-crate" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/cyberwinter/first-crate"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/cyberwinter/first-crate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cyberwinter/first-crate" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/cyberwinter/first-crate"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/cyberwinter/first-crate'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a602171ce131e42c7092819ee4d82e30b88618a4
[INFO] sha for GitHub repo cyberwinter/first-crate: a602171ce131e42c7092819ee4d82e30b88618a4
[INFO] validating manifest of cyberwinter/first-crate on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cyberwinter/first-crate on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cyberwinter/first-crate
[INFO] finished frobbing cyberwinter/first-crate
[INFO] frobbed toml for cyberwinter/first-crate written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/cyberwinter/first-crate/Cargo.toml
[INFO] started frobbing cyberwinter/first-crate
[INFO] finished frobbing cyberwinter/first-crate
[INFO] frobbed toml for cyberwinter/first-crate written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/cyberwinter/first-crate/Cargo.toml
[INFO] crate cyberwinter/first-crate already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking cyberwinter/first-crate against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/cyberwinter/first-crate:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dbe842733db2d1b2d109040ca1a759451c2f7d4831ce470daf4d801b5c1a1737
[INFO] running `"docker" "start" "-a" "dbe842733db2d1b2d109040ca1a759451c2f7d4831ce470daf4d801b5c1a1737"`
[INFO] [stderr]     Checking first_crate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:68:46
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn run(config: Config) -> Result<(), Box<Error>>{
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:68:46
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn run(config: Config) -> Result<(), Box<Error>>{
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/main.rs:12:53
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let config = Config::new(&args).unwrap_or_else(|err| {
[INFO] [stderr]    |                                                     ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 |     if let Err(e) = first_crate::run(config) {
[INFO] [stderr]    |                ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/main.rs:12:53
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let config = Config::new(&args).unwrap_or_else(|err| {
[INFO] [stderr]    |                                                     ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 |     if let Err(e) = first_crate::run(config) {
[INFO] [stderr]    |                ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "dbe842733db2d1b2d109040ca1a759451c2f7d4831ce470daf4d801b5c1a1737"`
[INFO] running `"docker" "rm" "-f" "dbe842733db2d1b2d109040ca1a759451c2f7d4831ce470daf4d801b5c1a1737"`
[INFO] [stdout] dbe842733db2d1b2d109040ca1a759451c2f7d4831ce470daf4d801b5c1a1737