[INFO] updating cached repository https://github.com/luxrck/icat
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6eb0876c6af8c6c2cada325750a43f3e054aba3d
[INFO] checking luxrck/icat against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluxrck%2Ficat" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luxrck/icat on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/luxrck/icat
[INFO] finished tweaking git repo https://github.com/luxrck/icat
[INFO] tweaked toml for git repo https://github.com/luxrck/icat written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/luxrck/icat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 11a98291ff4a4c5d46913a78d83134773eef59df801933dae13a06b3513c578d
[INFO] running `"docker" "start" "-a" "11a98291ff4a4c5d46913a78d83134773eef59df801933dae13a06b3513c578d"`
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]    Compiling syn v0.15.16
[INFO] [stderr]     Checking console v0.6.2
[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/rustwide/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 25.45s
[INFO] running `"docker" "inspect" "11a98291ff4a4c5d46913a78d83134773eef59df801933dae13a06b3513c578d"`
[INFO] running `"docker" "rm" "-f" "11a98291ff4a4c5d46913a78d83134773eef59df801933dae13a06b3513c578d"`
[INFO] [stdout] 11a98291ff4a4c5d46913a78d83134773eef59df801933dae13a06b3513c578d