[INFO] cloning repository https://github.com/frankzyu/yu_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frankzyu/yu_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankzyu%2Fyu_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankzyu%2Fyu_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 450bbd041e0a218ba24534aceb88bdd2e7525c04
[INFO] checking frankzyu/yu_os against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankzyu%2Fyu_os" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/frankzyu/yu_os
[INFO] finished tweaking git repo https://github.com/frankzyu/yu_os
[INFO] tweaked toml for git repo https://github.com/frankzyu/yu_os written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/frankzyu/yu_os on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/frankzyu/yu_os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e26d510e09d6a1c9127f09e127d6bb6568f5478fdac146c00cd7ba91c32bd28
[INFO] running `Command { std: "docker" "start" "-a" "7e26d510e09d6a1c9127f09e127d6bb6568f5478fdac146c00cd7ba91c32bd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e26d510e09d6a1c9127f09e127d6bb6568f5478fdac146c00cd7ba91c32bd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e26d510e09d6a1c9127f09e127d6bb6568f5478fdac146c00cd7ba91c32bd28", kill_on_drop: false }`
[INFO] [stdout] 7e26d510e09d6a1c9127f09e127d6bb6568f5478fdac146c00cd7ba91c32bd28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c78f7ec593def9838b3d147865c6ab31ffb9156469ba9546654b78b8dd70ac9
[INFO] running `Command { std: "docker" "start" "-a" "4c78f7ec593def9838b3d147865c6ab31ffb9156469ba9546654b78b8dd70ac9", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `src/memory/page_table.rs`: stream did not contain valid UTF-8
[INFO] [stdout]    --> src/memory/mod.rs:43:1
[INFO] [stdout]     |
[INFO] [stdout]  43 | pub mod page_table;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: bytes `[226, 128]` are not valid utf-8
[INFO] [stdout]    --> src/memory/page_table.rs:294:58
[INFO] [stdout]     |
[INFO] [stdout] 294 |     /// Don't flush the TLB and silence the “must be used�? warning.
[INFO] [stdout]     |                                                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/memory/page_table.rs`: stream did not contain valid UTF-8
[INFO] [stdout]    --> src/memory/mod.rs:43:1
[INFO] [stdout]     |
[INFO] [stdout]  43 | pub mod page_table;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: bytes `[226, 128]` are not valid utf-8
[INFO] [stdout]    --> src/memory/page_table.rs:294:58
[INFO] [stdout]     |
[INFO] [stdout] 294 |     /// Don't flush the TLB and silence the “must be used�? warning.
[INFO] [stdout]     |                                                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/memory/page_table.rs`: stream did not contain valid UTF-8
[INFO] [stdout]    --> src/memory/mod.rs:43:1
[INFO] [stdout]     |
[INFO] [stdout]  43 | pub mod page_table;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: bytes `[226, 128]` are not valid utf-8
[INFO] [stdout]    --> src/memory/page_table.rs:294:58
[INFO] [stdout]     |
[INFO] [stdout] 294 |     /// Don't flush the TLB and silence the “must be used�? warning.
[INFO] [stdout]     |                                                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `os` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `os` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4c78f7ec593def9838b3d147865c6ab31ffb9156469ba9546654b78b8dd70ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c78f7ec593def9838b3d147865c6ab31ffb9156469ba9546654b78b8dd70ac9", kill_on_drop: false }`
[INFO] [stdout] 4c78f7ec593def9838b3d147865c6ab31ffb9156469ba9546654b78b8dd70ac9