[INFO] updating cached repository piggybox/blog_os [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/piggybox/blog_os [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/piggybox/blog_os" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/piggybox/blog_os"` [INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/piggybox/blog_os'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/piggybox/blog_os" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/piggybox/blog_os"` [INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/piggybox/blog_os'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cf61a2052fb42e60c91751f6baddf976cb55e44a [INFO] sha for GitHub repo piggybox/blog_os: cf61a2052fb42e60c91751f6baddf976cb55e44a [INFO] validating manifest of piggybox/blog_os on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of piggybox/blog_os on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing piggybox/blog_os [INFO] finished frobbing piggybox/blog_os [INFO] frobbed toml for piggybox/blog_os written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/piggybox/blog_os/Cargo.toml [INFO] started frobbing piggybox/blog_os [INFO] finished frobbing piggybox/blog_os [INFO] frobbed toml for piggybox/blog_os written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/piggybox/blog_os/Cargo.toml [INFO] crate piggybox/blog_os already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking piggybox/blog_os against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-2/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/piggybox/blog_os:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b36df02043a9079dd195565f2935a13f7747cd7db6903e0e4c53258cdba13d11 [INFO] running `"docker" "start" "-a" "b36df02043a9079dd195565f2935a13f7747cd7db6903e0e4c53258cdba13d11"` [INFO] [stderr] Checking blog_os v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(panic_implementation)] // required for defining the panic handler [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: subsumed by `#[panic_handler]` [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(panic_implementation)] // required for defining the panic handler [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(panic_implementation)] // required for defining the panic handler [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: subsumed by `#[panic_handler]` [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(panic_implementation)] // required for defining the panic handler [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: The attribute `panic_implementation` is currently unknown to the compiler and may have meaning added to it in the future [INFO] [stderr] --> src/main.rs:8:3 [INFO] [stderr] | [INFO] [stderr] 8 | #[panic_implementation] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/29642 [INFO] [stderr] = help: add #![feature(custom_attribute)] to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0658]: The attribute `panic_implementation` is currently unknown to the compiler and may have meaning added to it in the future [INFO] [stderr] --> src/main.rs:8:3 [INFO] [stderr] | [INFO] [stderr] 8 | #[panic_implementation] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/29642 [INFO] [stderr] = help: add #![feature(custom_attribute)] to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error: `#[panic_handler]` function required, but not found [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0557, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0557`. [INFO] [stderr] error: Could not compile `blog_os`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0557, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0557`. [INFO] [stderr] error: Could not compile `blog_os`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "b36df02043a9079dd195565f2935a13f7747cd7db6903e0e4c53258cdba13d11"` [INFO] running `"docker" "rm" "-f" "b36df02043a9079dd195565f2935a13f7747cd7db6903e0e4c53258cdba13d11"` [INFO] [stdout] b36df02043a9079dd195565f2935a13f7747cd7db6903e0e4c53258cdba13d11