[INFO] cloning repository https://github.com/mosmeh/mahjongg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mosmeh/mahjongg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosmeh%2Fmahjongg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosmeh%2Fmahjongg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 684e489b98a8c0267aadc7fe64ad661297548129
[INFO] checking mosmeh/mahjongg against try#14731909456ca628a194900c35659dfdcb359e77 for pr-149195-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosmeh%2Fmahjongg" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mosmeh/mahjongg
[INFO] finished tweaking git repo https://github.com/mosmeh/mahjongg
[INFO] tweaked toml for git repo https://github.com/mosmeh/mahjongg written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mosmeh/mahjongg on toolchain 14731909456ca628a194900c35659dfdcb359e77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+14731909456ca628a194900c35659dfdcb359e77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mosmeh/mahjongg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+14731909456ca628a194900c35659dfdcb359e77" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+14731909456ca628a194900c35659dfdcb359e77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b2f02e92291ce2524b4f2f86e16072044c3f68836cb8d6285287770202cf771
[INFO] running `Command { std: "docker" "start" "-a" "5b2f02e92291ce2524b4f2f86e16072044c3f68836cb8d6285287770202cf771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b2f02e92291ce2524b4f2f86e16072044c3f68836cb8d6285287770202cf771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b2f02e92291ce2524b4f2f86e16072044c3f68836cb8d6285287770202cf771", kill_on_drop: false }`
[INFO] [stdout] 5b2f02e92291ce2524b4f2f86e16072044c3f68836cb8d6285287770202cf771
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+14731909456ca628a194900c35659dfdcb359e77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e5d12bdcc166b23bff0665c889615eda504d6858e4dce069fd48916e87777c9
[INFO] running `Command { std: "docker" "start" "-a" "2e5d12bdcc166b23bff0665c889615eda504d6858e4dce069fd48916e87777c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking nix v0.20.1
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking piston-viewport v1.0.0
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking minimal-lexical v0.1.3
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking piston-graphics_api_version v1.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling unicode-general-category v0.4.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking png v0.16.6
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking wayland-egl v0.28.6
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]     Checking shader_version v0.7.0
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking deflate v0.9.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking spin_sleep v1.0.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking siphasher v0.3.7
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking unicode-script v0.5.2
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]     Checking piston2d-graphics v0.40.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rustybuzz v0.4.0
[INFO] [stderr]     Checking svgtypes v0.8.0
[INFO] [stdout] error[E0659]: `Class` is ambiguous
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustybuzz-0.4.0/src/tables/gpos.rs:584:16
[INFO] [stdout]     |
[INFO] [stdout] 584 |     pub class: Class,
[INFO] [stdout]     |                ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Class` could refer to the struct imported here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustybuzz-0.4.0/src/tables/gpos.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout]   8 | use super::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Class` to disambiguate
[INFO] [stdout] note: `Class` could also refer to the struct imported here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustybuzz-0.4.0/src/tables/gpos.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout]   7 | use super::gsubgpos::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Class` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking png v0.17.1
[INFO] [stderr]     Checking roxmltree v0.14.1
[INFO] [stderr]     Checking fontdb v0.6.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking piston-gfx_texture v0.41.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking kurbo v0.8.0
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dlv-list v0.2.2
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking rctree v0.4.0
[INFO] [stderr]     Checking rgb v0.8.18
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.4.0
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.73.0
[INFO] [stderr]     Checking svgfilters v0.4.0
[INFO] [stderr]     Checking tiny-skia v0.6.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking ordered-multimap v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustybuzz` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2e5d12bdcc166b23bff0665c889615eda504d6858e4dce069fd48916e87777c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e5d12bdcc166b23bff0665c889615eda504d6858e4dce069fd48916e87777c9", kill_on_drop: false }`
[INFO] [stdout] 2e5d12bdcc166b23bff0665c889615eda504d6858e4dce069fd48916e87777c9
