[INFO] updating cached repository luxrck/icat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/luxrck/icat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/luxrck/icat" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/luxrck/icat"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/luxrck/icat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/luxrck/icat" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/luxrck/icat"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/luxrck/icat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6eb0876c6af8c6c2cada325750a43f3e054aba3d
[INFO] sha for GitHub repo luxrck/icat: 6eb0876c6af8c6c2cada325750a43f3e054aba3d
[INFO] validating manifest of luxrck/icat on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of luxrck/icat on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing luxrck/icat
[INFO] finished frobbing luxrck/icat
[INFO] frobbed toml for luxrck/icat written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/luxrck/icat/Cargo.toml
[INFO] started frobbing luxrck/icat
[INFO] finished frobbing luxrck/icat
[INFO] frobbed toml for luxrck/icat written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/luxrck/icat/Cargo.toml
[INFO] crate luxrck/icat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking luxrck/icat against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-1/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/luxrck/icat:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1dcbbb3520b23ea71c3cb75dfd0349ec1dda6319f06626195cecd621ff8df133
[INFO] running `"docker" "start" "-a" "1dcbbb3520b23ea71c3cb75dfd0349ec1dda6319f06626195cecd621ff8df133"`
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.15.16
[INFO] [stderr]     Checking console v0.6.2
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.0
[INFO] [stderr]     Checking icat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:42
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn write_bestfit(&self, output: &mut io::Write) -> Result<(), ImageError> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/main.rs:40:34
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn write(&self, output: &mut io::Write) -> Result<(), ImageError> {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/main.rs:34:29
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn write_bestfit(&self, output: &mut io::Write) -> Result<(), ImageError> {
[INFO] [stderr]    |                             ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:42
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn write_bestfit(&self, output: &mut io::Write) -> Result<(), ImageError> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/main.rs:40:34
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn write(&self, output: &mut io::Write) -> Result<(), ImageError> {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/main.rs:34:29
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn write_bestfit(&self, output: &mut io::Write) -> Result<(), ImageError> {
[INFO] [stderr]    |                             ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.55s
[INFO] running `"docker" "inspect" "1dcbbb3520b23ea71c3cb75dfd0349ec1dda6319f06626195cecd621ff8df133"`
[INFO] running `"docker" "rm" "-f" "1dcbbb3520b23ea71c3cb75dfd0349ec1dda6319f06626195cecd621ff8df133"`
[INFO] [stdout] 1dcbbb3520b23ea71c3cb75dfd0349ec1dda6319f06626195cecd621ff8df133