[INFO] updating cached repository https://github.com/gf4t47/rust_os
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 7bbafe15c5bb6ad747f8ed8ba6caff8f853b3483
[INFO] checking gf4t47/rust_os against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgf4t47%2Frust_os" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gf4t47/rust_os on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gf4t47/rust_os
[INFO] finished tweaking git repo https://github.com/gf4t47/rust_os
[INFO] tweaked toml for git repo https://github.com/gf4t47/rust_os written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/gf4t47/rust_os already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f782bdb26ed7539a3ffa2f78fdf508a9a0d4b8471391fc119238474bd633b39
[INFO] running `"docker" "start" "-a" "4f782bdb26ed7539a3ffa2f78fdf508a9a0d4b8471391fc119238474bd633b39"`
[INFO] [stderr]     Checking os_bootinfo v0.2.1
[INFO] [stderr]     Checking ux v0.1.2
[INFO] [stderr]     Checking usize_conversions v0.2.0
[INFO] [stderr]     Checking cpuio v0.2.0
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking spin v0.4.9
[INFO] [stderr]     Checking volatile v0.2.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking array-init v0.0.3
[INFO] [stderr]     Checking pic8259_simple v0.1.1
[INFO] [stderr]     Checking bootloader_precompiled v0.2.0
[INFO] [stderr]     Checking x86_64 v0.2.14
[INFO] [stderr]     Checking uart_16550 v0.1.0
[INFO] [stderr]     Checking rust_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/vga_buffer.rs:83:21
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 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: `...` range patterns are deprecated
[INFO] [stderr]   --> src/vga_buffer.rs:83:21
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 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: `...` range patterns are deprecated
[INFO] [stderr]   --> src/vga_buffer.rs:83:21
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 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 21.86s
[INFO] running `"docker" "inspect" "4f782bdb26ed7539a3ffa2f78fdf508a9a0d4b8471391fc119238474bd633b39"`
[INFO] running `"docker" "rm" "-f" "4f782bdb26ed7539a3ffa2f78fdf508a9a0d4b8471391fc119238474bd633b39"`
[INFO] [stdout] 4f782bdb26ed7539a3ffa2f78fdf508a9a0d4b8471391fc119238474bd633b39