[INFO] updating cached repository https://github.com/sidebog7/rustos
[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] 66bdc1ddf9fd5a78835cf573c9d653549f60ad43
[INFO] checking sidebog7/rustos against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidebog7%2Frustos" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sidebog7/rustos on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sidebog7/rustos
[INFO] finished tweaking git repo https://github.com/sidebog7/rustos
[INFO] tweaked toml for git repo https://github.com/sidebog7/rustos written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/sidebog7/rustos already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 11dbd06195facfb0ef065e3ca9c332f42f31457c8468e30c1b92ef28535cb6c6
[INFO] running `"docker" "start" "-a" "11dbd06195facfb0ef065e3ca9c332f42f31457c8468e30c1b92ef28535cb6c6"`
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]     Checking volatile v0.2.5
[INFO] [stderr]    Compiling rand v0.4.5
[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 v0.3.12
[INFO] [stderr]     Checking rustos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/vga_buffer.rs:92:21
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 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: the item `hlt_loop` is imported redundantly
[INFO] [stderr]   --> src/interrupts.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 5  | use crate::{gdt, hlt_loop};
[INFO] [stderr]    |                  -------- the item `hlt_loop` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 85 |     use crate::hlt_loop;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/vga_buffer.rs:92:21
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 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: the item `Box` is imported redundantly
[INFO] [stderr]    --> src/vga_buffer.rs:154:13
[INFO] [stderr]     |
[INFO] [stderr] 154 |         use std::boxed::Box;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `hlt_loop` is imported redundantly
[INFO] [stderr]   --> src/interrupts.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 5  | use crate::{gdt, hlt_loop};
[INFO] [stderr]    |                  -------- the item `hlt_loop` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 85 |     use crate::hlt_loop;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/vga_buffer.rs:92:21
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 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: the item `hlt_loop` is imported redundantly
[INFO] [stderr]   --> src/interrupts.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 5  | use crate::{gdt, hlt_loop};
[INFO] [stderr]    |                  -------- the item `hlt_loop` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 85 |     use crate::hlt_loop;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/vga_buffer.rs:92:21
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 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:92:21
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 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 12.94s
[INFO] running `"docker" "inspect" "11dbd06195facfb0ef065e3ca9c332f42f31457c8468e30c1b92ef28535cb6c6"`
[INFO] running `"docker" "rm" "-f" "11dbd06195facfb0ef065e3ca9c332f42f31457c8468e30c1b92ef28535cb6c6"`
[INFO] [stdout] 11dbd06195facfb0ef065e3ca9c332f42f31457c8468e30c1b92ef28535cb6c6