[INFO] cloning repository https://github.com/ircnelson/rust-gtk-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ircnelson/rust-gtk-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fircnelson%2Frust-gtk-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fircnelson%2Frust-gtk-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ec5a5fd3f73529b4acad3c12b814d34651e8085
[INFO] checking ircnelson/rust-gtk-playground against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fircnelson%2Frust-gtk-playground" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ircnelson/rust-gtk-playground on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ircnelson/rust-gtk-playground
[INFO] finished tweaking git repo https://github.com/ircnelson/rust-gtk-playground
[INFO] tweaked toml for git repo https://github.com/ircnelson/rust-gtk-playground written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/ircnelson/rust-gtk-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96a3e6e6fdfe002a0542f40ba12ee7bf941791310c0460c45d272c5aa0a693f8
[INFO] running `Command { std: "docker" "start" "-a" "96a3e6e6fdfe002a0542f40ba12ee7bf941791310c0460c45d272c5aa0a693f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96a3e6e6fdfe002a0542f40ba12ee7bf941791310c0460c45d272c5aa0a693f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a3e6e6fdfe002a0542f40ba12ee7bf941791310c0460c45d272c5aa0a693f8", kill_on_drop: false }`
[INFO] [stdout] 96a3e6e6fdfe002a0542f40ba12ee7bf941791310c0460c45d272c5aa0a693f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc052d17edcb93c27c06b92533df44700d7966c7de87d49b44a81000a19f50dc
[INFO] running `Command { std: "docker" "start" "-a" "dc052d17edcb93c27c06b92533df44700d7966c7de87d49b44a81000a19f50dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]    Compiling gio v0.1.1 (https://github.com/gtk-rs/gio#9133f88c)
[INFO] [stderr]    Compiling cairo-rs v0.1.1 (https://github.com/gtk-rs/cairo#e5bf5d88)
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.1 (https://github.com/gtk-rs/gdk-pixbuf#d227c3a8)
[INFO] [stderr]    Compiling gdk v0.5.1 (https://github.com/gtk-rs/gdk#227d7f0f)
[INFO] [stderr]     Checking c_vec v1.2.0
[INFO] [stderr]    Compiling gtk v0.1.1 (https://github.com/gtk-rs/gtk#72987190)
[INFO] [stderr]    Compiling glib-sys v0.3.2 (https://github.com/gtk-rs/sys#aaa2a305)
[INFO] [stderr]    Compiling gobject-sys v0.3.2 (https://github.com/gtk-rs/sys#aaa2a305)
[INFO] [stderr]    Compiling gio-sys v0.3.2 (https://github.com/gtk-rs/sys#aaa2a305)
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.2 (https://github.com/gtk-rs/sys#aaa2a305)
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.2 (https://github.com/gtk-rs/cairo#e5bf5d88)
[INFO] [stderr]    Compiling pango-sys v0.3.2 (https://github.com/gtk-rs/sys#aaa2a305)
[INFO] [stderr]    Compiling gdk-sys v0.3.2 (https://github.com/gtk-rs/sys#aaa2a305)
[INFO] [stderr]    Compiling atk-sys v0.3.2 (https://github.com/gtk-rs/sys#aaa2a305)
[INFO] [stderr]    Compiling gtk-sys v0.3.2 (https://github.com/gtk-rs/sys#aaa2a305)
[INFO] [stderr]     Checking glib v0.1.1 (https://github.com/gtk-rs/glib#d6fe8c68)
[INFO] [stdout] error[E0119]: conflicting implementations of trait `value::SetValueOptional` for type `&_`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/glib-928cf7b282977403/d6fe8c6/src/value.rs:489:1
[INFO] [stdout]     |
[INFO] [stdout] 458 | impl<'a, T: ?Sized + SetValueOptional> SetValueOptional for &'a T {
[INFO] [stdout]     | ----------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 489 | impl<T: IsA<Object>> SetValueOptional for T {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: downstream crates may implement trait `object::IsA<object::Object>` for type `&_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `value::SetValue` for type `&_`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/glib-928cf7b282977403/d6fe8c6/src/value.rs:483:1
[INFO] [stdout]     |
[INFO] [stdout] 452 | impl<'a, T: ?Sized + SetValue> SetValue for &'a T {
[INFO] [stdout]     | ------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 483 | impl<T: IsA<Object>> SetValue for T {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: downstream crates may implement trait `object::IsA<object::Object>` for type `&_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `glib` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dc052d17edcb93c27c06b92533df44700d7966c7de87d49b44a81000a19f50dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc052d17edcb93c27c06b92533df44700d7966c7de87d49b44a81000a19f50dc", kill_on_drop: false }`
[INFO] [stdout] dc052d17edcb93c27c06b92533df44700d7966c7de87d49b44a81000a19f50dc