[INFO] fetching crate decluster 1.0.18...
[INFO] checking decluster-1.0.18 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate decluster 1.0.18 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate decluster 1.0.18 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate decluster 1.0.18
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate decluster 1.0.18
[INFO] tweaked toml for crates.io crate decluster 1.0.18 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate decluster 1.0.18 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 247db45ad532543cb521b356a516742337179f29abd56059bc88dd1e6012cb53
[INFO] running `Command { std: "docker" "start" "-a" "247db45ad532543cb521b356a516742337179f29abd56059bc88dd1e6012cb53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "247db45ad532543cb521b356a516742337179f29abd56059bc88dd1e6012cb53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "247db45ad532543cb521b356a516742337179f29abd56059bc88dd1e6012cb53", kill_on_drop: false }`
[INFO] [stdout] 247db45ad532543cb521b356a516742337179f29abd56059bc88dd1e6012cb53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a7c205d7fef3edf2cff2656f3d1a5337bbe934e0bd17c0e083cd715ea41e596
[INFO] running `Command { std: "docker" "start" "-a" "1a7c205d7fef3edf2cff2656f3d1a5337bbe934e0bd17c0e083cd715ea41e596", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling khronos_api v3.1.0
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[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]     Checking smallvec v1.8.0
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
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[INFO] [stderr]    Compiling memchr v2.4.1
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[INFO] [stderr]     Checking piston-float v1.0.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
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[INFO] [stderr]     Checking getrandom v0.2.5
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[INFO] [stderr]     Checking adler32 v1.2.0
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[INFO] [stderr]    Compiling futures-core v0.3.21
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[INFO] [stderr]    Compiling gl v0.13.0
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[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking raw-window-handle v0.3.4
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[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking byteorder v1.4.3
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[INFO] [stderr]     Checking rand_core v0.6.3
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[INFO] [stderr]     Checking image v0.24.1
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking pistoncore-window v0.47.1
[INFO] [stderr]     Checking pistoncore-event_loop v0.53.1
[INFO] [stderr]     Checking piston v0.53.1
[INFO] [stderr]     Checking piston-gfx_texture v0.42.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.76.0
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[INFO] [stderr]     Checking winit v0.24.0
[INFO] [stderr]     Checking glutin v0.26.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.69.0
[INFO] [stderr]     Checking piston_window v0.123.0
[INFO] [stderr]     Checking decluster v1.0.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "1a7c205d7fef3edf2cff2656f3d1a5337bbe934e0bd17c0e083cd715ea41e596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a7c205d7fef3edf2cff2656f3d1a5337bbe934e0bd17c0e083cd715ea41e596", kill_on_drop: false }`
[INFO] [stdout] 1a7c205d7fef3edf2cff2656f3d1a5337bbe934e0bd17c0e083cd715ea41e596
[INFO] checking decluster-1.0.18 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate decluster 1.0.18 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate decluster 1.0.18 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate decluster 1.0.18
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate decluster 1.0.18
[INFO] tweaked toml for crates.io crate decluster 1.0.18 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate decluster 1.0.18 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afbe7a91e44147009ad68e0cd7008cd7630f38c52c1f96ed9cb723c691aed18e
[INFO] running `Command { std: "docker" "start" "-a" "afbe7a91e44147009ad68e0cd7008cd7630f38c52c1f96ed9cb723c691aed18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afbe7a91e44147009ad68e0cd7008cd7630f38c52c1f96ed9cb723c691aed18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afbe7a91e44147009ad68e0cd7008cd7630f38c52c1f96ed9cb723c691aed18e", kill_on_drop: false }`
[INFO] [stdout] afbe7a91e44147009ad68e0cd7008cd7630f38c52c1f96ed9cb723c691aed18e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1eb0dbad98ff7cda2974910212205adc0d9f9625ccb9e266bef2a6c2e2e2167
[INFO] running `Command { std: "docker" "start" "-a" "a1eb0dbad98ff7cda2974910212205adc0d9f9625ccb9e266bef2a6c2e2e2167", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking piston-float v1.0.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.5
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking piston-viewport v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking piston-graphics_api_version v1.0.1
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]     Checking rayon-core v1.9.1
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[INFO] [stderr]     Checking nanorand v0.6.1
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[INFO] [stderr]     Checking xcursor v0.3.4
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[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking raw-window-handle v0.4.2
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[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking wayland-commons v0.28.6
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[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
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[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking lebe v0.5.1
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[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking png v0.17.3
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]     Checking jpeg-decoder v0.2.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking tiff v0.7.1
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking flume v0.10.11
[INFO] [stderr]     Checking wayland-egl v0.28.6
[INFO] [stderr]     Checking gfx v0.18.2
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[INFO] [stderr]     Checking exr v1.4.1
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[INFO] [stderr]     Checking spin_sleep v1.0.0
[INFO] [stderr]     Checking piston2d-graphics v0.42.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking pistoncore-input v1.0.1
[INFO] [stderr]     Checking image v0.24.1
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking pistoncore-window v0.47.1
[INFO] [stderr]     Checking pistoncore-event_loop v0.53.1
[INFO] [stderr]     Checking piston v0.53.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]     Checking winit v0.24.0
[INFO] [stderr]     Checking piston-gfx_texture v0.42.0
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[INFO] [stderr]     Checking glutin v0.26.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.69.0
[INFO] [stderr]     Checking piston_window v0.123.0
[INFO] [stderr]     Checking decluster v1.0.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "a1eb0dbad98ff7cda2974910212205adc0d9f9625ccb9e266bef2a6c2e2e2167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1eb0dbad98ff7cda2974910212205adc0d9f9625ccb9e266bef2a6c2e2e2167", kill_on_drop: false }`
[INFO] [stdout] a1eb0dbad98ff7cda2974910212205adc0d9f9625ccb9e266bef2a6c2e2e2167