[INFO] cloning repository https://github.com/samfoo/trees
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samfoo/trees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamfoo%2Ftrees", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamfoo%2Ftrees'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5a1dedf47be273d4cd153ee6281b31dfb8a4c60
[INFO] testing samfoo/trees against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamfoo%2Ftrees" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samfoo/trees on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samfoo/trees
[INFO] finished tweaking git repo https://github.com/samfoo/trees
[INFO] tweaked toml for git repo https://github.com/samfoo/trees written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/samfoo/trees already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.1.0
[INFO] [stderr]   Downloaded gobject-sys v0.3.4
[INFO] [stderr]   Downloaded cairo-rs v0.1.3
[INFO] [stderr]   Downloaded glib-sys v0.3.4
[INFO] [stderr]   Downloaded c_vec v1.2.1
[INFO] [stderr]   Downloaded bitflags v0.5.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.3.4
[INFO] [stderr]   Downloaded num-traits v0.1.39
[INFO] [stderr]   Downloaded matrixmultiply v0.1.13
[INFO] [stderr]   Downloaded itertools v0.6.0
[INFO] [stderr]   Downloaded num-complex v0.1.38
[INFO] [stderr]   Downloaded glib v0.1.3
[INFO] [stderr]   Downloaded ndarray-rand v0.5.0
[INFO] [stderr]   Downloaded libc v0.2.24
[INFO] [stderr]   Downloaded ndarray v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7df813595ffd5f3d28833d013c839607b2bb7153363b2032a9d20023204d606f
[INFO] running `Command { std: "docker" "start" "-a" "7df813595ffd5f3d28833d013c839607b2bb7153363b2032a9d20023204d606f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7df813595ffd5f3d28833d013c839607b2bb7153363b2032a9d20023204d606f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df813595ffd5f3d28833d013c839607b2bb7153363b2032a9d20023204d606f", kill_on_drop: false }`
[INFO] [stdout] 7df813595ffd5f3d28833d013c839607b2bb7153363b2032a9d20023204d606f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ebbcc66e906f625c64b8c9f8e162157d1a3621cde622036ddf4c289e115e336
[INFO] running `Command { std: "docker" "start" "-a" "1ebbcc66e906f625c64b8c9f8e162157d1a3621cde622036ddf4c289e115e336", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]    Compiling cairo-rs v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling c_vec v1.2.1
[INFO] [stderr]    Compiling itertools v0.6.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num-complex v0.1.38
[INFO] [stderr]    Compiling glib-sys v0.3.4
[INFO] [stderr]    Compiling gobject-sys v0.3.4
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.4
[INFO] [stderr]    Compiling ndarray-rand v0.5.0
[INFO] [stderr]    Compiling glib v0.1.3
[INFO] [stdout] error[E0119]: conflicting implementations of trait `value::SetValueOptional` for type `&_`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/glib-0.1.3/src/value.rs:509:1
[INFO] [stdout]     |
[INFO] [stdout] 478 | impl<'a, T: ?Sized + SetValueOptional> SetValueOptional for &'a T {
[INFO] [stdout]     | ----------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 509 | 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/registry/src/github.com-1ecc6299db9ec823/glib-0.1.3/src/value.rs:503:1
[INFO] [stdout]     |
[INFO] [stdout] 472 | impl<'a, T: ?Sized + SetValue> SetValue for &'a T {
[INFO] [stdout]     | ------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 503 | 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] running `Command { std: "docker" "inspect" "1ebbcc66e906f625c64b8c9f8e162157d1a3621cde622036ddf4c289e115e336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ebbcc66e906f625c64b8c9f8e162157d1a3621cde622036ddf4c289e115e336", kill_on_drop: false }`
[INFO] [stdout] 1ebbcc66e906f625c64b8c9f8e162157d1a3621cde622036ddf4c289e115e336