[INFO] updating cached repository jr0d/press-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jr0d/press-rs
[INFO] [stderr]  * branch              HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jr0d/press-rs" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jr0d/press-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jr0d/press-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jr0d/press-rs" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/jr0d/press-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/jr0d/press-rs'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  97% (18515/18986)   
Checking out files:  98% (18607/18986)   
Checking out files:  99% (18797/18986)   
Checking out files: 100% (18986/18986)   
Checking out files: 100% (18986/18986), done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e3639898fc4c7d4e46b39e6c16265f2f13c6f6da
[INFO] sha for GitHub repo jr0d/press-rs: e3639898fc4c7d4e46b39e6c16265f2f13c6f6da
[INFO] validating manifest of jr0d/press-rs on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jr0d/press-rs on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jr0d/press-rs
[INFO] finished frobbing jr0d/press-rs
[INFO] frobbed toml for jr0d/press-rs written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jr0d/press-rs/Cargo.toml
[INFO] started frobbing jr0d/press-rs
[INFO] finished frobbing jr0d/press-rs
[INFO] frobbed toml for jr0d/press-rs written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/jr0d/press-rs/Cargo.toml
[INFO] crate jr0d/press-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking jr0d/press-rs against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-0/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jr0d/press-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] adb8442fb4c2011a9d6f6756e379f95658c29205f3154ebafd57577dc7cd1d96
[INFO] running `"docker" "start" "-a" "adb8442fb4c2011a9d6f6756e379f95658c29205f3154ebafd57577dc7cd1d96"`
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking uuid v0.7.3
[INFO] [stderr]     Checking press v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/size.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::de::{self, Visitor, Deserializer, Deserialize};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/size.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::de::{self, Visitor, Deserializer, Deserialize};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PressConfiguration`
[INFO] [stderr]   --> src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct PressConfiguration {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PressConfiguration`
[INFO] [stderr]   --> src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct PressConfiguration {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `json`, `to_string_pretty`
[INFO] [stderr]  --> src/bin/press.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde_json::{json, to_string_pretty};
[INFO] [stderr]   |                  ^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `json`, `to_string_pretty`
[INFO] [stderr]  --> src/bin/press.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde_json::{json, to_string_pretty};
[INFO] [stderr]   |                  ^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.41s
[INFO] running `"docker" "inspect" "adb8442fb4c2011a9d6f6756e379f95658c29205f3154ebafd57577dc7cd1d96"`
[INFO] running `"docker" "rm" "-f" "adb8442fb4c2011a9d6f6756e379f95658c29205f3154ebafd57577dc7cd1d96"`
[INFO] [stdout] adb8442fb4c2011a9d6f6756e379f95658c29205f3154ebafd57577dc7cd1d96