[INFO] cloning repository https://github.com/inda20plusplus/leonardp-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inda20plusplus/leonardp-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finda20plusplus%2Fleonardp-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finda20plusplus%2Fleonardp-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aae561ae7e5248584043ed69ed3d66fa98611d34
[INFO] checking inda20plusplus/leonardp-chess against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finda20plusplus%2Fleonardp-chess" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inda20plusplus/leonardp-chess on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/inda20plusplus/leonardp-chess
[INFO] finished tweaking git repo https://github.com/inda20plusplus/leonardp-chess
[INFO] tweaked toml for git repo https://github.com/inda20plusplus/leonardp-chess written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/inda20plusplus/leonardp-chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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 coreaudio-sys v0.2.5
[INFO] [stderr]   Downloaded backtrace v0.3.51
[INFO] [stderr]   Downloaded libloading v0.6.3
[INFO] [stderr]   Downloaded zip v0.5.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dec1d9ad6dc8f4da3e38c43a649f05494cef7c872b7476b1d3d68fae1fe781b
[INFO] running `Command { std: "docker" "start" "-a" "5dec1d9ad6dc8f4da3e38c43a649f05494cef7c872b7476b1d3d68fae1fe781b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dec1d9ad6dc8f4da3e38c43a649f05494cef7c872b7476b1d3d68fae1fe781b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dec1d9ad6dc8f4da3e38c43a649f05494cef7c872b7476b1d3d68fae1fe781b", kill_on_drop: false }`
[INFO] [stdout] 5dec1d9ad6dc8f4da3e38c43a649f05494cef7c872b7476b1d3d68fae1fe781b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31c68dc9a33ac4d6dc5433ccbc5c2eb9b7430c29580ad6e7084a3eb8c7c74aba
[INFO] running `Command { std: "docker" "start" "-a" "31c68dc9a33ac4d6dc5433ccbc5c2eb9b7430c29580ad6e7084a3eb8c7c74aba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking chess_engine v0.1.0 (/opt/rustwide/workdir/engine)
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> engine/src/lib.rs:1226:10
[INFO] [stdout]      |
[INFO] [stdout] 1226 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> engine/src/lib.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 | /             format!(
[INFO] [stdout] 195 | |                 "cannot add piece to tile with existing piece at {}",
[INFO] [stdout] 196 | |                 tile.position.to_string_code()
[INFO] [stdout] 197 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 194 ~             
[INFO] [stdout] 195 |                 "cannot add piece to tile with existing piece at {}",
[INFO] [stdout] 196 |                 tile.position.to_string_code()
[INFO] [stdout] 197 ~             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> engine/src/lib.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 | /             format!(
[INFO] [stdout] 195 | |                 "cannot add piece to tile with existing piece at {}",
[INFO] [stdout] 196 | |                 tile.position.to_string_code()
[INFO] [stdout] 197 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 194 ~             
[INFO] [stdout] 195 |                 "cannot add piece to tile with existing piece at {}",
[INFO] [stdout] 196 |                 tile.position.to_string_code()
[INFO] [stdout] 197 ~             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[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]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chess_repl v0.1.0 (/opt/rustwide/workdir/repl)
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace v0.3.51
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.116/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=b38bd0e2c2ffc27b -C extra-filename=-b38bd0e2c2ffc27b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "31c68dc9a33ac4d6dc5433ccbc5c2eb9b7430c29580ad6e7084a3eb8c7c74aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c68dc9a33ac4d6dc5433ccbc5c2eb9b7430c29580ad6e7084a3eb8c7c74aba", kill_on_drop: false }`
[INFO] [stdout] 31c68dc9a33ac4d6dc5433ccbc5c2eb9b7430c29580ad6e7084a3eb8c7c74aba