[INFO] fetching crate gfx_window_glfw 0.17.1...
[INFO] checking gfx_window_glfw-0.17.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate gfx_window_glfw 0.17.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate gfx_window_glfw 0.17.1 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 gfx_window_glfw 0.17.1
[INFO] finished tweaking crates.io crate gfx_window_glfw 0.17.1
[INFO] tweaked toml for crates.io crate gfx_window_glfw 0.17.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding glfw v0.20.0 (latest: v0.55.0)
[INFO] [stderr]       Adding glfw-sys v3.3.5 (latest: v5.0.0+3.3.9)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding nom v1.2.4 (latest: v7.1.3)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding num-bigint v0.1.44 (latest: v0.4.4)
[INFO] [stderr]       Adding num-complex v0.1.43 (latest: v0.4.5)
[INFO] [stderr]       Adding num-rational v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding semver v0.2.3 (latest: v1.0.22)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded gfx v0.18.3
[INFO] [stderr]   Downloaded nom v1.2.4
[INFO] [stderr]   Downloaded semver v0.2.3
[INFO] [stderr]   Downloaded glfw v0.20.0
[INFO] [stderr]   Downloaded glfw-sys v3.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fadf518e2596d7186bb51dff654e9d8050b4414bd2a3211c96a97a7043ff8e06
[INFO] running `Command { std: "docker" "start" "-a" "fadf518e2596d7186bb51dff654e9d8050b4414bd2a3211c96a97a7043ff8e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fadf518e2596d7186bb51dff654e9d8050b4414bd2a3211c96a97a7043ff8e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fadf518e2596d7186bb51dff654e9d8050b4414bd2a3211c96a97a7043ff8e06", kill_on_drop: false }`
[INFO] [stdout] fadf518e2596d7186bb51dff654e9d8050b4414bd2a3211c96a97a7043ff8e06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6799b799834e3d570ba8a4bbd51b92cd7b75fb3ed1a19cabd45772b2f8bce3e8
[INFO] running `Command { std: "docker" "start" "-a" "6799b799834e3d570ba8a4bbd51b92cd7b75fb3ed1a19cabd45772b2f8bce3e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.20
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking semver v0.2.3
[INFO] [stderr]    Compiling glfw-sys v3.3.5
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking gfx v0.18.3
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking glfw v0.20.0
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking gfx_window_glfw v0.17.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.2.4, num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "6799b799834e3d570ba8a4bbd51b92cd7b75fb3ed1a19cabd45772b2f8bce3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6799b799834e3d570ba8a4bbd51b92cd7b75fb3ed1a19cabd45772b2f8bce3e8", kill_on_drop: false }`
[INFO] [stdout] 6799b799834e3d570ba8a4bbd51b92cd7b75fb3ed1a19cabd45772b2f8bce3e8
[INFO] checking gfx_window_glfw-0.17.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate gfx_window_glfw 0.17.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate gfx_window_glfw 0.17.1 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 gfx_window_glfw 0.17.1
[INFO] finished tweaking crates.io crate gfx_window_glfw 0.17.1
[INFO] tweaked toml for crates.io crate gfx_window_glfw 0.17.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8fc98ba5e1175e3d84a2ba8d86060c75e318a8259d0562a9ba22cbd144f00b0a
[INFO] running `Command { std: "docker" "start" "-a" "8fc98ba5e1175e3d84a2ba8d86060c75e318a8259d0562a9ba22cbd144f00b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fc98ba5e1175e3d84a2ba8d86060c75e318a8259d0562a9ba22cbd144f00b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc98ba5e1175e3d84a2ba8d86060c75e318a8259d0562a9ba22cbd144f00b0a", kill_on_drop: false }`
[INFO] [stdout] 8fc98ba5e1175e3d84a2ba8d86060c75e318a8259d0562a9ba22cbd144f00b0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 511b95efd423aae7374866a0bdc8637bf75f5c76a2e68094dc81204bbfdb283b
[INFO] running `Command { std: "docker" "start" "-a" "511b95efd423aae7374866a0bdc8637bf75f5c76a2e68094dc81204bbfdb283b", kill_on_drop: false }`
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.20
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking semver v0.2.3
[INFO] [stderr]    Compiling glfw-sys v3.3.5
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking gfx v0.18.3
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking glfw v0.20.0
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking gfx_window_glfw v0.17.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.2.4, num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "511b95efd423aae7374866a0bdc8637bf75f5c76a2e68094dc81204bbfdb283b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "511b95efd423aae7374866a0bdc8637bf75f5c76a2e68094dc81204bbfdb283b", kill_on_drop: false }`
[INFO] [stdout] 511b95efd423aae7374866a0bdc8637bf75f5c76a2e68094dc81204bbfdb283b