[INFO] cloning repository https://github.com/henryaj/conway-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/henryaj/conway-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenryaj%2Fconway-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenryaj%2Fconway-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84452fe2320511d71a422c5ce84216ead104cb70
[INFO] checking henryaj/conway-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenryaj%2Fconway-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/henryaj/conway-rs 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 git repo https://github.com/henryaj/conway-rs
[INFO] finished tweaking git repo https://github.com/henryaj/conway-rs
[INFO] tweaked toml for git repo https://github.com/henryaj/conway-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/henryaj/conway-rs 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
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pxl v0.0.7
[INFO] [stderr]   Downloaded wayland-client v0.20.10
[INFO] [stderr]   Downloaded wayland-sys v0.20.10
[INFO] [stderr]   Downloaded wayland-scanner v0.20.10
[INFO] [stderr]   Downloaded x11-dl v2.18.0
[INFO] [stderr]   Downloaded cc v1.0.17
[INFO] [stderr]   Downloaded log v0.4.2
[INFO] [stderr]   Downloaded cpal v0.8.1
[INFO] [stderr]   Downloaded wayland-protocols v0.20.10
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.2.3
[INFO] [stderr]   Downloaded winit v0.15.1
[INFO] [stderr]   Downloaded cocoa v0.15.0
[INFO] [stderr]   Downloaded parking_lot v0.5.5
[INFO] [stderr]   Downloaded core-foundation-sys v0.6.0
[INFO] [stderr]   Downloaded core-foundation v0.6.0
[INFO] [stderr]   Downloaded stable_deref_trait v1.1.0
[INFO] [stderr]   Downloaded smallvec v0.6.2
[INFO] [stderr]   Downloaded downcast-rs v1.0.3
[INFO] [stderr]   Downloaded wayland-commons v0.20.10
[INFO] [stderr]   Downloaded glutin v0.16.0
[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] 18742e9f344a97c23b0aaaebe88e7b2735cd00e560e944597134d2ed0c38991c
[INFO] running `Command { std: "docker" "start" "-a" "18742e9f344a97c23b0aaaebe88e7b2735cd00e560e944597134d2ed0c38991c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18742e9f344a97c23b0aaaebe88e7b2735cd00e560e944597134d2ed0c38991c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18742e9f344a97c23b0aaaebe88e7b2735cd00e560e944597134d2ed0c38991c", kill_on_drop: false }`
[INFO] [stdout] 18742e9f344a97c23b0aaaebe88e7b2735cd00e560e944597134d2ed0c38991c
[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] 0a85a6fd5dc48b567d0a1e53176d8f89b263aedaeafb9e9899acf9ef08d1bbd1
[INFO] running `Command { std: "docker" "start" "-a" "0a85a6fd5dc48b567d0a1e53176d8f89b263aedaeafb9e9899acf9ef08d1bbd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.0
[INFO] [stderr]     Checking smallvec v0.6.2
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling x11-dl v2.18.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.20.10
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking cpal v0.8.1
[INFO] [stderr]     Checking tempfile v3.0.2
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.20.10
[INFO] [stderr]    Compiling wayland-client v0.20.10
[INFO] [stderr]    Compiling wayland-protocols v0.20.10
[INFO] [stderr]     Checking wayland-commons v0.20.10
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]    Compiling glutin v0.16.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.3
[INFO] [stderr]     Checking winit v0.15.1
[INFO] [stderr]     Checking pxl v0.0.7
[INFO] [stderr]     Checking conway-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.77s
[INFO] running `Command { std: "docker" "inspect" "0a85a6fd5dc48b567d0a1e53176d8f89b263aedaeafb9e9899acf9ef08d1bbd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a85a6fd5dc48b567d0a1e53176d8f89b263aedaeafb9e9899acf9ef08d1bbd1", kill_on_drop: false }`
[INFO] [stdout] 0a85a6fd5dc48b567d0a1e53176d8f89b263aedaeafb9e9899acf9ef08d1bbd1
[INFO] checking henryaj/conway-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenryaj%2Fconway-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/henryaj/conway-rs 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 git repo https://github.com/henryaj/conway-rs
[INFO] finished tweaking git repo https://github.com/henryaj/conway-rs
[INFO] tweaked toml for git repo https://github.com/henryaj/conway-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/henryaj/conway-rs 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] [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] 09605a14e8d9f095bb410946f12b4ba2f7451a5bf3c2581ec49faea3d8e7faa5
[INFO] running `Command { std: "docker" "start" "-a" "09605a14e8d9f095bb410946f12b4ba2f7451a5bf3c2581ec49faea3d8e7faa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09605a14e8d9f095bb410946f12b4ba2f7451a5bf3c2581ec49faea3d8e7faa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09605a14e8d9f095bb410946f12b4ba2f7451a5bf3c2581ec49faea3d8e7faa5", kill_on_drop: false }`
[INFO] [stdout] 09605a14e8d9f095bb410946f12b4ba2f7451a5bf3c2581ec49faea3d8e7faa5
[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] 13b8e89f15b18a78ad0bdbe3e23f1bff12bfe2b2dd6bafa42f13ae9e281b3d61
[INFO] running `Command { std: "docker" "start" "-a" "13b8e89f15b18a78ad0bdbe3e23f1bff12bfe2b2dd6bafa42f13ae9e281b3d61", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking smallvec v0.6.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]    Compiling x11-dl v2.18.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.20.10
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking tempfile v3.0.2
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking cpal v0.8.1
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]    Compiling wayland-client v0.20.10
[INFO] [stderr]    Compiling wayland-protocols v0.20.10
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.20.10
[INFO] [stderr]    Compiling glutin v0.16.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking wayland-commons v0.20.10
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.3
[INFO] [stderr]     Checking winit v0.15.1
[INFO] [stderr]     Checking pxl v0.0.7
[INFO] [stderr]     Checking conway-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "13b8e89f15b18a78ad0bdbe3e23f1bff12bfe2b2dd6bafa42f13ae9e281b3d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b8e89f15b18a78ad0bdbe3e23f1bff12bfe2b2dd6bafa42f13ae9e281b3d61", kill_on_drop: false }`
[INFO] [stdout] 13b8e89f15b18a78ad0bdbe3e23f1bff12bfe2b2dd6bafa42f13ae9e281b3d61