[INFO] cloning repository https://github.com/threecgreen/nile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/threecgreen/nile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthreecgreen%2Fnile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthreecgreen%2Fnile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11acd7f491b4559d866a929ca5c8b219d9af4e3a
[INFO] checking threecgreen/nile against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthreecgreen%2Fnile" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/threecgreen/nile on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/threecgreen/nile
[INFO] finished tweaking git repo https://github.com/threecgreen/nile
[INFO] tweaked toml for git repo https://github.com/threecgreen/nile written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/threecgreen/nile already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.18
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.18
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c488e02e32b7a08f78b0e14087f863c02a0b2be241708381a3e16548f60719ca
[INFO] running `Command { std: "docker" "start" "-a" "c488e02e32b7a08f78b0e14087f863c02a0b2be241708381a3e16548f60719ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c488e02e32b7a08f78b0e14087f863c02a0b2be241708381a3e16548f60719ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c488e02e32b7a08f78b0e14087f863c02a0b2be241708381a3e16548f60719ca", kill_on_drop: false }`
[INFO] [stdout] c488e02e32b7a08f78b0e14087f863c02a0b2be241708381a3e16548f60719ca
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67da4f8576f87050572f014579ef5e2202aea1ca75c01bfbfbcd1cafb75c08f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "67da4f8576f87050572f014579ef5e2202aea1ca75c01bfbfbcd1cafb75c08f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.18
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]     Checking wasm-bindgen v0.2.68
[INFO] [stderr]     Checking js-sys v0.3.45
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.18
[INFO] [stderr]     Checking nile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.18
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/board.rs:141:1
[INFO] [stdout]     |
[INFO] [stdout] 141 | / macro_rules! hash_set(
[INFO] [stdout] 142 | |     { $($key:expr),+ } => {
[INFO] [stdout] 143 | |         {
[INFO] [stdout] 144 | |             let mut s = ::std::collections::HashSet::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 150 | |     }
[INFO] [stdout] 151 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen_test::*`
[INFO] [stdout]    --> src/wasm_api.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use wasm_bindgen_test::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/board.rs:927:13
[INFO] [stdout]     |
[INFO] [stdout] 927 |         let board = Board::new();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turn_coordinates`
[INFO] [stdout]    --> src/board.rs:928:13
[INFO] [stdout]     |
[INFO] [stdout] 928 |         let turn_coordinates = hash_set!(
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_turn_coordinates`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_end_of_game`
[INFO] [stdout]    --> src/wasm_api.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn test_end_of_game() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.64s
[INFO] running `Command { std: "docker" "inspect" "67da4f8576f87050572f014579ef5e2202aea1ca75c01bfbfbcd1cafb75c08f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67da4f8576f87050572f014579ef5e2202aea1ca75c01bfbfbcd1cafb75c08f7", kill_on_drop: false }`
[INFO] [stdout] 67da4f8576f87050572f014579ef5e2202aea1ca75c01bfbfbcd1cafb75c08f7