[INFO] cloning repository https://github.com/trashbyte/os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trashbyte/os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrashbyte%2Fos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrashbyte%2Fos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62a63d3dc87f1a12aaddbbe2db2462a6f22e2411
[INFO] checking trashbyte/os against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrashbyte%2Fos" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/trashbyte/os on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking git repo https://github.com/trashbyte/os
[INFO] finished tweaking git repo https://github.com/trashbyte/os
[INFO] tweaked toml for git repo https://github.com/trashbyte/os written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/trashbyte/os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7a7b4b5779f0a3ea1ac267cc33b238d4a0499239973d397e9b0981377d2dd43
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f7a7b4b5779f0a3ea1ac267cc33b238d4a0499239973d397e9b0981377d2dd43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7a7b4b5779f0a3ea1ac267cc33b238d4a0499239973d397e9b0981377d2dd43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a7b4b5779f0a3ea1ac267cc33b238d4a0499239973d397e9b0981377d2dd43", kill_on_drop: false }`
[INFO] [stdout] f7a7b4b5779f0a3ea1ac267cc33b238d4a0499239973d397e9b0981377d2dd43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a7222992fdbcba0522d9a204b395e6e2ed5f82c01ab557dcfa8be2109abbb09
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a7222992fdbcba0522d9a204b395e6e2ed5f82c01ab557dcfa8be2109abbb09", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling x86_64 v0.14.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling bootloader v0.9.19
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking bit v0.1.1
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking tinypci v0.1.0 (https://github.com/trashbyte/tinypci.git#bbf8ab92)
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking kernel-utils v0.1.0 (/opt/rustwide/workdir/kernel-utils)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking raw-cpuid v10.2.0
[INFO] [stderr]     Checking conquer-once v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking rsdp v2.0.0
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking acpi v4.1.0
[INFO] [stderr]     Checking linked_list_allocator v0.9.1 (/opt/rustwide/workdir/allocator)
[INFO] [stdout] error[E0277]: `hole::Hole` doesn't implement `Debug`
[INFO] [stdout]   --> allocator/src/hole.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug)]
[INFO] [stdout]    |          ----- in this derive macro expansion
[INFO] [stdout] 10 | pub struct HoleList {
[INFO] [stdout] 11 |     first: Hole, // dummy
[INFO] [stdout]    |     ^^^^^^^^^^^ `hole::Hole` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `hole::Hole`
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `hole::Hole` or manually `impl Debug for hole::Hole`
[INFO] [stdout]    = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_list_allocator` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2a7222992fdbcba0522d9a204b395e6e2ed5f82c01ab557dcfa8be2109abbb09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7222992fdbcba0522d9a204b395e6e2ed5f82c01ab557dcfa8be2109abbb09", kill_on_drop: false }`
[INFO] [stdout] 2a7222992fdbcba0522d9a204b395e6e2ed5f82c01ab557dcfa8be2109abbb09