[INFO] updating cached repository https://github.com/Riey/compiletime-sort-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ffb85b6be4b853eb2a50be789da4b5849b2f2f38
[INFO] checking Riey/compiletime-sort-rs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiey%2Fcompiletime-sort-rs" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Riey/compiletime-sort-rs on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Riey/compiletime-sort-rs
[INFO] finished tweaking git repo https://github.com/Riey/compiletime-sort-rs
[INFO] tweaked toml for git repo https://github.com/Riey/compiletime-sort-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Riey/compiletime-sort-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72bf2a808e446940b539cb3c4a8494580238bd2fe28bf9d08d6fcc99e50460cf
[INFO] running `"docker" "start" "-a" "72bf2a808e446940b539cb3c4a8494580238bd2fe28bf9d08d6fcc99e50460cf"`
[INFO] [stderr]     Checking compiletime-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0658]: `loop` is not allowed in a `const fn`
[INFO] [stderr]   --> src/main.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     loop {
[INFO] [stderr] 7  | |         let left = 2 * node + 1;
[INFO] [stderr] 8  | |         let right = 2 * node + 2;
[INFO] [stderr] 9  | |
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |         node = greater;
[INFO] [stderr] 24 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #52000 <https://github.com/rust-lang/rust/issues/52000> for more information
[INFO] [stderr]    = help: add `#![feature(const_loop)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: `loop` is not allowed in a `const fn`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     loop {
[INFO] [stderr] 32 | |         sift_down(arr, i);
[INFO] [stderr] 33 | |         if i == 0 {
[INFO] [stderr] 34 | |             break;
[INFO] [stderr] 35 | |         }
[INFO] [stderr] 36 | |         i -= 1;
[INFO] [stderr] 37 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #52000 <https://github.com/rust-lang/rust/issues/52000> for more information
[INFO] [stderr]    = help: add `#![feature(const_loop)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: `loop` is not allowed in a `const fn`
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     loop {
[INFO] [stderr] 41 | |         let tmp = arr[0];
[INFO] [stderr] 42 | |         arr[0] = arr[i];
[INFO] [stderr] 43 | |         arr[i] = tmp;
[INFO] [stderr] ...  |
[INFO] [stderr] 50 | |         i -= 1;
[INFO] [stderr] 51 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #52000 <https://github.com/rust-lang/rust/issues/52000> for more information
[INFO] [stderr]    = help: add `#![feature(const_loop)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: `loop` is not allowed in a `const fn`
[INFO] [stderr]   --> src/main.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     loop {
[INFO] [stderr] 7  | |         let left = 2 * node + 1;
[INFO] [stderr] 8  | |         let right = 2 * node + 2;
[INFO] [stderr] 9  | |
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |         node = greater;
[INFO] [stderr] 24 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #52000 <https://github.com/rust-lang/rust/issues/52000> for more information
[INFO] [stderr]    = help: add `#![feature(const_loop)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: `loop` is not allowed in a `const fn`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     loop {
[INFO] [stderr] 32 | |         sift_down(arr, i);
[INFO] [stderr] 33 | |         if i == 0 {
[INFO] [stderr] 34 | |             break;
[INFO] [stderr] 35 | |         }
[INFO] [stderr] 36 | |         i -= 1;
[INFO] [stderr] 37 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #52000 <https://github.com/rust-lang/rust/issues/52000> for more information
[INFO] [stderr]    = help: add `#![feature(const_loop)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: `loop` is not allowed in a `const fn`
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     loop {
[INFO] [stderr] 41 | |         let tmp = arr[0];
[INFO] [stderr] 42 | |         arr[0] = arr[i];
[INFO] [stderr] 43 | |         arr[i] = tmp;
[INFO] [stderr] ...  |
[INFO] [stderr] 50 | |         i -= 1;
[INFO] [stderr] 51 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #52000 <https://github.com/rust-lang/rust/issues/52000> for more information
[INFO] [stderr]    = help: add `#![feature(const_loop)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `compiletime-sort`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `compiletime-sort`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "72bf2a808e446940b539cb3c4a8494580238bd2fe28bf9d08d6fcc99e50460cf"`
[INFO] running `"docker" "rm" "-f" "72bf2a808e446940b539cb3c4a8494580238bd2fe28bf9d08d6fcc99e50460cf"`
[INFO] [stdout] 72bf2a808e446940b539cb3c4a8494580238bd2fe28bf9d08d6fcc99e50460cf