[INFO] cloning repository https://github.com/aadit0402/self-learning-os-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aadit0402/self-learning-os-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faadit0402%2Fself-learning-os-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faadit0402%2Fself-learning-os-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4ffc712edb1dea72b746621e5d27c3ef0d395fb
[INFO] testing aadit0402/self-learning-os-rust against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faadit0402%2Fself-learning-os-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aadit0402/self-learning-os-rust on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aadit0402/self-learning-os-rust
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/aadit0402/self-learning-os-rust
[INFO] tweaked toml for git repo https://github.com/aadit0402/self-learning-os-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/aadit0402/self-learning-os-rust 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" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding bit_field v0.10.2
[INFO] [stderr]       Adding bitflags v2.8.0
[INFO] [stderr]       Adding rustversion v1.0.19
[INFO] [stderr]       Adding uart_16550 v0.2.19 (available: v0.3.2)
[INFO] [stderr]       Adding volatile v0.4.6
[INFO] [stderr]       Adding x86_64 v0.7.7 (available: v0.15.2)
[INFO] [stderr]       Adding x86_64 v0.14.13
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uart_16550 v0.2.19
[INFO] [stderr]   Downloaded fixedvec v0.2.4
[INFO] [stderr]   Downloaded bootloader v0.6.4
[INFO] [stderr]   Downloaded x86_64 v0.14.13
[INFO] [stderr]   Downloaded x86_64 v0.7.7
[INFO] [stderr]   Downloaded llvm-tools v0.1.1
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e10c819507b84328512dedebba6ff4af73671c32d049df7af0325315564ecfdd
[INFO] running `Command { std: "docker" "start" "-a" "e10c819507b84328512dedebba6ff4af73671c32d049df7af0325315564ecfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e10c819507b84328512dedebba6ff4af73671c32d049df7af0325315564ecfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10c819507b84328512dedebba6ff4af73671c32d049df7af0325315564ecfdd", kill_on_drop: false }`
[INFO] [stdout] e10c819507b84328512dedebba6ff4af73671c32d049df7af0325315564ecfdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7ccb4084cc91b855d5a817e78bcf23cd0ef9fd5fabc8f3aa84fa68dc324a245
[INFO] running `Command { std: "docker" "start" "-a" "a7ccb4084cc91b855d5a817e78bcf23cd0ef9fd5fabc8f3aa84fa68dc324a245", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling llvm-tools v0.1.1
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling zero v0.1.2
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling ux v0.1.3
[INFO] [stderr]    Compiling array-init v0.0.4
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling xmas-elf v0.6.2
[INFO] [stderr]    Compiling fixedvec v0.2.4
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling bootloader v0.6.4
[INFO] [stderr]    Compiling usize_conversions v0.2.0
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/spin-0.4.10/src/lib.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
[INFO] [stdout]   |                                           ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling volatile v0.2.6
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spin` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a7ccb4084cc91b855d5a817e78bcf23cd0ef9fd5fabc8f3aa84fa68dc324a245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ccb4084cc91b855d5a817e78bcf23cd0ef9fd5fabc8f3aa84fa68dc324a245", kill_on_drop: false }`
[INFO] [stdout] a7ccb4084cc91b855d5a817e78bcf23cd0ef9fd5fabc8f3aa84fa68dc324a245