[INFO] cloning repository https://github.com/zxqfl/sashimi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zxqfl/sashimi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxqfl%2Fsashimi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxqfl%2Fsashimi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 718097fd6f4a647de01ae9ddf3d7b2eb4e08bdd4
[INFO] documenting zxqfl/sashimi against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxqfl%2Fsashimi" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zxqfl/sashimi on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zxqfl/sashimi
[INFO] finished tweaking git repo https://github.com/zxqfl/sashimi
[INFO] tweaked toml for git repo https://github.com/zxqfl/sashimi written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zxqfl/sashimi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3b4ee86ca3219c2dcc43c75d3c7e02a74a748c297abe95bff4a607fa869a337
[INFO] running `Command { std: "docker" "start" "-a" "c3b4ee86ca3219c2dcc43c75d3c7e02a74a748c297abe95bff4a607fa869a337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3b4ee86ca3219c2dcc43c75d3c7e02a74a748c297abe95bff4a607fa869a337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b4ee86ca3219c2dcc43c75d3c7e02a74a748c297abe95bff4a607fa869a337", kill_on_drop: false }`
[INFO] [stdout] c3b4ee86ca3219c2dcc43c75d3c7e02a74a748c297abe95bff4a607fa869a337
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97038b848fda6d27666bf4163943c795831d8b73b8075f7dbc9754e484a1dbc4
[INFO] running `Command { std: "docker" "start" "-a" "97038b848fda6d27666bf4163943c795831d8b73b8075f7dbc9754e484a1dbc4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking read_exact v0.0.1
[INFO] [stderr]     Checking packed v0.4.2
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]    Compiling slurp v1.0.1
[INFO] [stderr]     Checking option-filter v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]    Compiling shakmaty v0.5.1
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]    Compiling sashimi v0.2.0 (/opt/rustwide/workdir/engine)
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking pod v0.5.0
[INFO] [stderr]     Checking btoi v0.1.3
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking memchr v2.1.2
[INFO] [stderr]     Checking madvise v0.1.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking arena v0.1.0 (/opt/rustwide/workdir/arena)
[INFO] [stderr]  Documenting arena v0.1.0 (/opt/rustwide/workdir/arena)
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking mcts v0.2.0 (/opt/rustwide/workdir/mcts)
[INFO] [stderr]  Documenting mcts v0.2.0 (/opt/rustwide/workdir/mcts)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> mcts/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(integer_atomics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> mcts/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(integer_atomics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `mcts`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name mcts mcts/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern arena=/opt/rustwide/target/debug/deps/libarena-8cefea458998fccd.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-c2e4aed39abd56aa.rmeta --extern pod=/opt/rustwide/target/debug/deps/libpod-b4642565f69546ca.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-676373acc79f9549.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-fec5797b1e3fe4be.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> mcts/src/search_tree.rs:381:38
[INFO] [stdout]     |
[INFO] [stdout] 381 |             let child = choice.child.compare_and_swap(
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> mcts/src/search_tree.rs:396:40
[INFO] [stdout]     |
[INFO] [stdout] 396 |         let other_child = choice.child.compare_and_swap(
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> mcts/src/transposition_table.rs:108:22
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let result = ptr.compare_and_swap(
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> mcts/src/transposition_table.rs:149:40
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 let key_here = entry.k.compare_and_swap(0, my_hash as FakeU64, Ordering::Relaxed);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "97038b848fda6d27666bf4163943c795831d8b73b8075f7dbc9754e484a1dbc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97038b848fda6d27666bf4163943c795831d8b73b8075f7dbc9754e484a1dbc4", kill_on_drop: false }`
[INFO] [stdout] 97038b848fda6d27666bf4163943c795831d8b73b8075f7dbc9754e484a1dbc4
