[INFO] cloning repository https://github.com/LinusCDE/remarkable-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LinusCDE/remarkable-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinusCDE%2Fremarkable-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinusCDE%2Fremarkable-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63b6fee253f740047b2786276cd9d9b42e13c6d1
[INFO] checking LinusCDE/remarkable-chess against master#ad0d4190facd509a5c79dce427bb7deb2824046e for pr-92472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinusCDE%2Fremarkable-chess" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
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[INFO] validating manifest of git repo https://github.com/LinusCDE/remarkable-chess on toolchain ad0d4190facd509a5c79dce427bb7deb2824046e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-60/source/.cargo/config
[INFO] started tweaking git repo https://github.com/LinusCDE/remarkable-chess
[INFO] finished tweaking git repo https://github.com/LinusCDE/remarkable-chess
[INFO] tweaked toml for git repo https://github.com/LinusCDE/remarkable-chess written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate git repo https://github.com/LinusCDE/remarkable-chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.33
[INFO] [stderr]   Downloaded serde_json v1.0.58
[INFO] [stderr]   Downloaded rayon v1.4.1
[INFO] [stderr]   Downloaded mucow v0.1.0
[INFO] [stderr]   Downloaded tokio v0.2.23
[INFO] [stderr]   Downloaded peggler v0.1.0
[INFO] [stderr]   Downloaded pleco v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 162e2382dafbdf2e467cecc3e382c446388557e0e5fbacb5b584f899513aa430
[INFO] running `Command { std: "docker" "start" "-a" "162e2382dafbdf2e467cecc3e382c446388557e0e5fbacb5b584f899513aa430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "162e2382dafbdf2e467cecc3e382c446388557e0e5fbacb5b584f899513aa430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "162e2382dafbdf2e467cecc3e382c446388557e0e5fbacb5b584f899513aa430", kill_on_drop: false }`
[INFO] [stdout] 162e2382dafbdf2e467cecc3e382c446388557e0e5fbacb5b584f899513aa430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc25c31c0cae24cae3d45f72a72dcddb240f2f9a6ebee1350f90aa9f352388ea
[INFO] running `Command { std: "docker" "start" "-a" "bc25c31c0cae24cae3d45f72a72dcddb240f2f9a6ebee1350f90aa9f352388ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling log v0.4.11
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[INFO] [stderr]     Checking regex-syntax v0.6.18
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[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.58
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[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking strsim v0.10.0
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[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking ioctl-gen v0.1.1
[INFO] [stderr]     Checking peggler v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling atomic v0.5.0
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[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking bitvec v0.21.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking memmap2 v0.5.0
[INFO] [stderr]     Checking epoll v4.3.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking line_drawing v0.8.0
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]    Compiling lua52-sys v0.1.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking chess_pgn_parser v0.1.2 (/opt/rustwide/workdir/chess_pgn_parser)
[INFO] [stdout] warning: value assigned to `end` is never read
[INFO] [stdout]   --> chess_pgn_parser/src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut end= input.len()-1;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> chess_pgn_parser/src/lib.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Some((index, char)) => {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> chess_pgn_parser/src/lib.rs:55:31
[INFO] [stdout]    |
[INFO] [stdout] 55 |                         Some((index, char)) => {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> chess_pgn_parser/src/lib.rs:58:43
[INFO] [stdout]    |
[INFO] [stdout] 58 | ...                   Some((index, char)) => {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> chess_pgn_parser/src/lib.rs:82:43
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   Some((index, char)) => {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.23.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=d453643969334d5f -C extra-filename=-d453643969334d5f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f75283d3dcd3daad.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-88879d2dc0fa106c.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-78a101d8d88e7ff0.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-277e76b251e270cd.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bc25c31c0cae24cae3d45f72a72dcddb240f2f9a6ebee1350f90aa9f352388ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc25c31c0cae24cae3d45f72a72dcddb240f2f9a6ebee1350f90aa9f352388ea", kill_on_drop: false }`
[INFO] [stdout] bc25c31c0cae24cae3d45f72a72dcddb240f2f9a6ebee1350f90aa9f352388ea