[INFO] cloning repository https://github.com/llllishuo/os_rust_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/llllishuo/os_rust_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllllishuo%2Fos_rust_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllllishuo%2Fos_rust_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8921327032f2eeae982cda9805ce702acdac1e42
[INFO] checking llllishuo/os_rust_demo/8921327032f2eeae982cda9805ce702acdac1e42 against master#59fd4ef94daa991e6797b5aa6127e824f3067def for pr-145108-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllllishuo%2Fos_rust_demo" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/llllishuo/os_rust_demo
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/llllishuo/os_rust_demo
[INFO] tweaked toml for git repo https://github.com/llllishuo/os_rust_demo written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/llllishuo/os_rust_demo on toolchain 59fd4ef94daa991e6797b5aa6127e824f3067def
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+59fd4ef94daa991e6797b5aa6127e824f3067def" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/llllishuo/os_rust_demo 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" "+59fd4ef94daa991e6797b5aa6127e824f3067def" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded conquer-once v0.2.1
[INFO] [stderr]   Downloaded conquer-util v0.2.0
[INFO] [stderr]   Downloaded pc-keyboard v0.5.1
[INFO] [stderr]   Downloaded bootloader v0.9.29
[INFO] [stderr]   Downloaded spinning_top v0.2.5
[INFO] [stderr]   Downloaded pic8259 v0.10.4
[INFO] [stderr]   Downloaded uart_16550 v0.2.19
[INFO] [stderr]   Downloaded x86_64 v0.14.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+59fd4ef94daa991e6797b5aa6127e824f3067def" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d27bec6532e59865f9a438f58d17a844d45b3a36d8d277b9ef2b54c05096db48
[INFO] running `Command { std: "docker" "start" "-a" "d27bec6532e59865f9a438f58d17a844d45b3a36d8d277b9ef2b54c05096db48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d27bec6532e59865f9a438f58d17a844d45b3a36d8d277b9ef2b54c05096db48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d27bec6532e59865f9a438f58d17a844d45b3a36d8d277b9ef2b54c05096db48", kill_on_drop: false }`
[INFO] [stdout] d27bec6532e59865f9a438f58d17a844d45b3a36d8d277b9ef2b54c05096db48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+59fd4ef94daa991e6797b5aa6127e824f3067def" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 223c0b594da5fc5635f1ab3d0a61d945923b75c7c4fbe3e0ddf5890047554f48
[INFO] running `Command { std: "docker" "start" "-a" "223c0b594da5fc5635f1ab3d0a61d945923b75c7c4fbe3e0ddf5890047554f48", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]    Compiling bootloader v0.9.29
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking conquer-util v0.2.0
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking linked_list_allocator v0.10.5
[INFO] [stderr]     Checking conquer-once v0.2.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking x86_64 v0.14.12
[INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.12/src/addr.rs:382:51
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^ expected `(usize, Option<usize>)`, found `Option<usize>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&addr::VirtAddr, &addr::VirtAddr) -> (usize, Option<usize>)`
[INFO] [stdout]                found signature `fn(&addr::VirtAddr, &addr::VirtAddr) -> Option<usize>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]     |
[INFO] [stdout] 382 -     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 382 +     fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.12/src/structures/paging/page.rs:282:51
[INFO] [stdout]     |
[INFO] [stdout] 282 |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^ expected `(usize, Option<usize>)`, found `Option<usize>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&Page<_>, &Page<_>) -> (usize, Option<usize>)`
[INFO] [stdout]                found signature `fn(&Page<_>, &Page<_>) -> Option<usize>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]     |
[INFO] [stdout] 282 -     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 282 +     fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86_64` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "223c0b594da5fc5635f1ab3d0a61d945923b75c7c4fbe3e0ddf5890047554f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "223c0b594da5fc5635f1ab3d0a61d945923b75c7c4fbe3e0ddf5890047554f48", kill_on_drop: false }`
[INFO] [stdout] 223c0b594da5fc5635f1ab3d0a61d945923b75c7c4fbe3e0ddf5890047554f48
