[INFO] updating cached repository barrelll/picksmid
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/barrelll/picksmid
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/barrelll/picksmid" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/barrelll/picksmid"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/barrelll/picksmid'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/barrelll/picksmid" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/barrelll/picksmid"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/barrelll/picksmid'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5381f25072c90816fd8d23004cc33fca9a27ffa9
[INFO] sha for GitHub repo barrelll/picksmid: 5381f25072c90816fd8d23004cc33fca9a27ffa9
[INFO] validating manifest of barrelll/picksmid on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of barrelll/picksmid on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing barrelll/picksmid
[INFO] finished frobbing barrelll/picksmid
[INFO] frobbed toml for barrelll/picksmid written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/barrelll/picksmid/Cargo.toml
[INFO] started frobbing barrelll/picksmid
[INFO] finished frobbing barrelll/picksmid
[INFO] frobbed toml for barrelll/picksmid written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/barrelll/picksmid/Cargo.toml
[INFO] crate barrelll/picksmid has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking barrelll/picksmid against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-4/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/barrelll/picksmid:/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" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7530b1be27fc34c5409cdf3f25e81e56a10cd4b16dc2966cee4ad96c0b9b8b7b
[INFO] running `"docker" "start" "-a" "7530b1be27fc34c5409cdf3f25e81e56a10cd4b16dc2966cee4ad96c0b9b8b7b"`
[INFO] [stderr]     Checking bitvec v0.8.0
[INFO] [stderr]     Checking imf-streamer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `BigEndian`, `ReadBytesExt`
[INFO] [stderr]   --> src/objects/visual_object_sequence.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |         use byteorder::{BigEndian, ReadBytesExt};
[INFO] [stderr]    |                         ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Cursor`
[INFO] [stderr]   --> src/objects/visual_object_sequence.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |         use std::io::Cursor;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BigEndian`, `ReadBytesExt`
[INFO] [stderr]   --> src/objects/visual_object_sequence.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |         use byteorder::{BigEndian, ReadBytesExt};
[INFO] [stderr]    |                         ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Cursor`
[INFO] [stderr]   --> src/objects/visual_object_sequence.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |         use std::io::Cursor;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `slen`
[INFO] [stderr]   --> src/objects/visual_object_sequence.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |             let slen = s.len();
[INFO] [stderr]    |                 ^^^^ help: consider using `_slen` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bit_position`
[INFO] [stderr]   --> src/objects/visual_object_sequence.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut bit_position = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider using `_bit_position` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/objects/visual_object_sequence.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut bit_position = 0;
[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: unused variable: `slen`
[INFO] [stderr]   --> src/objects/visual_object_sequence.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |             let slen = s.len();
[INFO] [stderr]    |                 ^^^^ help: consider using `_slen` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bit_position`
[INFO] [stderr]   --> src/objects/visual_object_sequence.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut bit_position = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider using `_bit_position` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/objects/visual_object_sequence.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut bit_position = 0;
[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 3.22s
[INFO] running `"docker" "inspect" "7530b1be27fc34c5409cdf3f25e81e56a10cd4b16dc2966cee4ad96c0b9b8b7b"`
[INFO] running `"docker" "rm" "-f" "7530b1be27fc34c5409cdf3f25e81e56a10cd4b16dc2966cee4ad96c0b9b8b7b"`
[INFO] [stdout] 7530b1be27fc34c5409cdf3f25e81e56a10cd4b16dc2966cee4ad96c0b9b8b7b