[INFO] cloning repository https://github.com/darkwater/patternlock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darkwater/patternlock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Fpatternlock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Fpatternlock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 537bd2738220bb6e0011a3e0c6a3541baf49150d
[INFO] checking darkwater/patternlock against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Fpatternlock" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/darkwater/patternlock on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/darkwater/patternlock
[INFO] finished tweaking git repo https://github.com/darkwater/patternlock
[INFO] tweaked toml for git repo https://github.com/darkwater/patternlock written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/darkwater/patternlock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edcbb8fab8ea61632db2cb0dffccba5a110fc414997420bc36a91c203a5537d8
[INFO] running `Command { std: "docker" "start" "-a" "edcbb8fab8ea61632db2cb0dffccba5a110fc414997420bc36a91c203a5537d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edcbb8fab8ea61632db2cb0dffccba5a110fc414997420bc36a91c203a5537d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edcbb8fab8ea61632db2cb0dffccba5a110fc414997420bc36a91c203a5537d8", kill_on_drop: false }`
[INFO] [stdout] edcbb8fab8ea61632db2cb0dffccba5a110fc414997420bc36a91c203a5537d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a11f63e36019c320c14b965b61570ec92e74ccb4280c3c88a3f8d4eca63b13e9
[INFO] running `Command { std: "docker" "start" "-a" "a11f63e36019c320c14b965b61570ec92e74ccb4280c3c88a3f8d4eca63b13e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling khronos_api v0.0.8
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.1 (https://github.com/gtk-rs/gdk-pixbuf.git#739fe928)
[INFO] [stderr]    Compiling gio v0.1.1 (https://github.com/gtk-rs/gio#a7e8f44f)
[INFO] [stderr]    Compiling cairo-rs v0.1.1 (https://github.com/gtk-rs/cairo.git#8be0251d)
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking adler32 v0.3.0
[INFO] [stderr]    Compiling gdk v0.5.1 (https://github.com/gtk-rs/gdk.git#8b334252)
[INFO] [stderr]     Checking c_vec v1.2.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling gtk v0.1.1 (https://github.com/gtk-rs/gtk.git#7a4b9660)
[INFO] [stderr]     Checking bitflags v0.2.1
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking gif v0.9.1
[INFO] [stderr]    Compiling xml-rs v0.1.26
[INFO] [stderr]     Checking deflate v0.7.4
[INFO] [stderr]     Checking gl_common v0.1.0
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.2.1
[INFO] [stderr]     Checking xlib v0.1.0 (https://github.com/servo/rust-xlib#38ce24e6)
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]    Compiling glib-sys v0.3.2 (https://github.com/gtk-rs/sys.git#9ae84c22)
[INFO] [stderr]    Compiling gobject-sys v0.3.2 (https://github.com/gtk-rs/sys.git#9ae84c22)
[INFO] [stderr]    Compiling gio-sys v0.3.2 (https://github.com/gtk-rs/sys.git#9ae84c22)
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.2 (https://github.com/gtk-rs/cairo.git#8be0251d)
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.2 (https://github.com/gtk-rs/sys.git#9ae84c22)
[INFO] [stderr]    Compiling pango-sys v0.3.2 (https://github.com/gtk-rs/sys.git#9ae84c22)
[INFO] [stderr]    Compiling gdk-sys v0.3.2 (https://github.com/gtk-rs/sys.git#9ae84c22)
[INFO] [stderr]    Compiling atk-sys v0.3.2 (https://github.com/gtk-rs/sys.git#9ae84c22)
[INFO] [stderr]    Compiling gtk-sys v0.3.2 (https://github.com/gtk-rs/sys.git#9ae84c22)
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking screenshot v0.0.7 (https://github.com/darkwater/screenshot-rs#e808926a)
[INFO] [stderr]    Compiling gl_generator v0.1.0
[INFO] [stdout] error[E0635]: unknown feature `convert`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/screenshot-rs-a773e88c0337d451/e808926/src/lib.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core_intrinsics, convert)]
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `screenshot`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a11f63e36019c320c14b965b61570ec92e74ccb4280c3c88a3f8d4eca63b13e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11f63e36019c320c14b965b61570ec92e74ccb4280c3c88a3f8d4eca63b13e9", kill_on_drop: false }`
[INFO] [stdout] a11f63e36019c320c14b965b61570ec92e74ccb4280c3c88a3f8d4eca63b13e9