[INFO] updating cached repository wfehrnstrom/rustgzip
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wfehrnstrom/rustgzip
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wfehrnstrom/rustgzip" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/wfehrnstrom/rustgzip"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/wfehrnstrom/rustgzip'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wfehrnstrom/rustgzip" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/wfehrnstrom/rustgzip"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/wfehrnstrom/rustgzip'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 85058c0197562620747561b72c459ebee21ba423
[INFO] sha for GitHub repo wfehrnstrom/rustgzip: 85058c0197562620747561b72c459ebee21ba423
[INFO] validating manifest of wfehrnstrom/rustgzip 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 wfehrnstrom/rustgzip 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 wfehrnstrom/rustgzip
[INFO] finished frobbing wfehrnstrom/rustgzip
[INFO] frobbed toml for wfehrnstrom/rustgzip written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/wfehrnstrom/rustgzip/Cargo.toml
[INFO] started frobbing wfehrnstrom/rustgzip
[INFO] finished frobbing wfehrnstrom/rustgzip
[INFO] frobbed toml for wfehrnstrom/rustgzip written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/wfehrnstrom/rustgzip/Cargo.toml
[INFO] crate wfehrnstrom/rustgzip 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/wfehrnstrom/rustgzip/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking wfehrnstrom/rustgzip against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/wfehrnstrom/rustgzip:/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] e25ef9e26a027a4fe7e4643b739af8c34f005d5b9e249c4b42c2ded52c9a5506
[INFO] running `"docker" "start" "-a" "e25ef9e26a027a4fe7e4643b739af8c34f005d5b9e249c4b42c2ded52c9a5506"`
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking utime v0.2.1
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking libflate v0.1.26
[INFO] [stderr]     Checking predicates v1.0.1
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]     Checking zip v0.5.2
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking rstzip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `StreamHeader`
[INFO] [stderr]   --> src/formats/zip.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct StreamHeader {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StreamHeader`
[INFO] [stderr]   --> src/formats/zip.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct StreamHeader {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.73s
[INFO] running `"docker" "inspect" "e25ef9e26a027a4fe7e4643b739af8c34f005d5b9e249c4b42c2ded52c9a5506"`
[INFO] running `"docker" "rm" "-f" "e25ef9e26a027a4fe7e4643b739af8c34f005d5b9e249c4b42c2ded52c9a5506"`
[INFO] [stdout] e25ef9e26a027a4fe7e4643b739af8c34f005d5b9e249c4b42c2ded52c9a5506