[INFO] crate c2-chacha 0.2.3 is already in cache
[INFO] checking c2-chacha-0.2.3 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate c2-chacha 0.2.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate c2-chacha 0.2.3 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate c2-chacha 0.2.3
[INFO] finished tweaking crates.io crate c2-chacha 0.2.3
[INFO] tweaked toml for crates.io crate c2-chacha 0.2.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] a094c45e33269353c5cc46ee2e5cb202db897e0f6ef8961514efe6bff46bff18
[INFO] running `"docker" "start" "-a" "a094c45e33269353c5cc46ee2e5cb202db897e0f6ef8961514efe6bff46bff18"`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking c2-chacha v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/guts.rs:199:1
[INFO] [stderr]     |
[INFO] [stderr] 199 |   /// Refill the buffer from a single-block round, updating the block count.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 200 | / dispatch_light128!(m, Mach, {
[INFO] [stderr] 201 | |     fn refill_narrow(state: &mut ChaCha, drounds: u32, out: &mut [u8; BLOCK]) {
[INFO] [stderr] 202 | |         let x = refill_narrow_rounds(state, drounds);
[INFO] [stderr] 203 | |         let x = State {
[INFO] [stderr] ...   |
[INFO] [stderr] 211 | |     }
[INFO] [stderr] 212 | | });
[INFO] [stderr]     | |___- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/guts.rs:214:1
[INFO] [stderr]     |
[INFO] [stderr] 214 | / /// Single-block, rounds-only; shared by try_apply_keystream for tails shorter than BUFSZ
[INFO] [stderr] 215 | | /// and XChaCha's setup step.
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr] 216 | / dispatch!(m, Mach, {
[INFO] [stderr] 217 | |     fn refill_narrow_rounds(state: &mut ChaCha, drounds: u32) -> State<vec128_storage> {
[INFO] [stderr] 218 | |         let k: Mach::u32x4 = m.vec([0x6170_7865, 0x3320_646e, 0x7962_2d32, 0x6b20_6574]);
[INFO] [stderr] 219 | |         let mut x = State {
[INFO] [stderr] ...   |
[INFO] [stderr] 235 | |     }
[INFO] [stderr] 236 | | });
[INFO] [stderr]     | |___- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/guts.rs:199:1
[INFO] [stderr]     |
[INFO] [stderr] 199 |   /// Refill the buffer from a single-block round, updating the block count.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 200 | / dispatch_light128!(m, Mach, {
[INFO] [stderr] 201 | |     fn refill_narrow(state: &mut ChaCha, drounds: u32, out: &mut [u8; BLOCK]) {
[INFO] [stderr] 202 | |         let x = refill_narrow_rounds(state, drounds);
[INFO] [stderr] 203 | |         let x = State {
[INFO] [stderr] ...   |
[INFO] [stderr] 211 | |     }
[INFO] [stderr] 212 | | });
[INFO] [stderr]     | |___- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/guts.rs:214:1
[INFO] [stderr]     |
[INFO] [stderr] 214 | / /// Single-block, rounds-only; shared by try_apply_keystream for tails shorter than BUFSZ
[INFO] [stderr] 215 | | /// and XChaCha's setup step.
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr] 216 | / dispatch!(m, Mach, {
[INFO] [stderr] 217 | |     fn refill_narrow_rounds(state: &mut ChaCha, drounds: u32) -> State<vec128_storage> {
[INFO] [stderr] 218 | |         let k: Mach::u32x4 = m.vec([0x6170_7865, 0x3320_646e, 0x7962_2d32, 0x6b20_6574]);
[INFO] [stderr] 219 | |         let mut x = State {
[INFO] [stderr] ...   |
[INFO] [stderr] 235 | |     }
[INFO] [stderr] 236 | | });
[INFO] [stderr]     | |___- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.90s
[INFO] running `"docker" "inspect" "a094c45e33269353c5cc46ee2e5cb202db897e0f6ef8961514efe6bff46bff18"`
[INFO] running `"docker" "rm" "-f" "a094c45e33269353c5cc46ee2e5cb202db897e0f6ef8961514efe6bff46bff18"`
[INFO] [stdout] a094c45e33269353c5cc46ee2e5cb202db897e0f6ef8961514efe6bff46bff18