[INFO] updating cached repository https://github.com/ejlangev/rust_os
[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] c103789ef4f17e09976108402bc57b5fe09534b6
[INFO] checking ejlangev/rust_os against try#b19afc12c4f781e95f168f2fdea339c972f14ae2 for pr-64327
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fejlangev%2Frust_os" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ejlangev/rust_os on toolchain b19afc12c4f781e95f168f2fdea339c972f14ae2-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ejlangev/rust_os
[INFO] finished tweaking git repo https://github.com/ejlangev/rust_os
[INFO] tweaked toml for git repo https://github.com/ejlangev/rust_os written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ejlangev/rust_os already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/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" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a2457e1567619d64a243c49bb9ea2e61a88444eeb77c73e9f9fd3f559ce0618c
[INFO] running `"docker" "start" "-a" "a2457e1567619d64a243c49bb9ea2e61a88444eeb77c73e9f9fd3f559ce0618c"`
[INFO] [stderr]     Checking ux v0.1.2
[INFO] [stderr]     Checking x86_64 v0.2.14
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling skeptic v0.5.0
[INFO] [stderr]    Compiling fixedvec v0.2.3
[INFO] [stderr]     Checking bootloader v0.3.7
[INFO] [stderr]     Checking ethan_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vga_buffer/mod.rs:75:50
[INFO] [stderr]    |
[INFO] [stderr] 75 |   fn with_color(&mut self, color: ColorCode, f: &Fn(&mut Self)) {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Self)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/vga_buffer/mod.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         0x20...0x7e | b'\n' => self.write_byte(byte),
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vga_buffer/mod.rs:75:50
[INFO] [stderr]    |
[INFO] [stderr] 75 |   fn with_color(&mut self, color: ColorCode, f: &Fn(&mut Self)) {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Self)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/vga_buffer/mod.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         0x20...0x7e | b'\n' => self.write_byte(byte),
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.03s
[INFO] running `"docker" "inspect" "a2457e1567619d64a243c49bb9ea2e61a88444eeb77c73e9f9fd3f559ce0618c"`
[INFO] running `"docker" "rm" "-f" "a2457e1567619d64a243c49bb9ea2e61a88444eeb77c73e9f9fd3f559ce0618c"`
[INFO] [stdout] a2457e1567619d64a243c49bb9ea2e61a88444eeb77c73e9f9fd3f559ce0618c