[INFO] cloning repository https://github.com/seppo0010/building-stuff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seppo0010/building-stuff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseppo0010%2Fbuilding-stuff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseppo0010%2Fbuilding-stuff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25aa2271c1cbc51fd37c7ff6d93df09dc2b4be94
[INFO] checking seppo0010/building-stuff against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseppo0010%2Fbuilding-stuff" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seppo0010/building-stuff on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seppo0010/building-stuff
[INFO] finished tweaking git repo https://github.com/seppo0010/building-stuff
[INFO] tweaked toml for git repo https://github.com/seppo0010/building-stuff written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/seppo0010/building-stuff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdweb v0.4.12
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.4
[INFO] [stderr]   Downloaded ncollide3d v0.17.3
[INFO] [stderr]   Downloaded ron v0.4.0
[INFO] [stderr]   Downloaded downcast v0.9.2
[INFO] [stderr]   Downloaded euclid v0.19.4
[INFO] [stderr]   Downloaded amethyst_renderer v0.10.1
[INFO] [stderr]   Downloaded intl_pluralrules v1.0.1
[INFO] [stderr]   Downloaded specs v0.14.1
[INFO] [stderr]   Downloaded hashbrown v0.1.7
[INFO] [stderr]   Downloaded hibitset v0.5.3
[INFO] [stderr]   Downloaded nphysics3d v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09079c3e17121bd5d9226c805ed871e8aa12366bd5ad0415f04b36498abef6b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09079c3e17121bd5d9226c805ed871e8aa12366bd5ad0415f04b36498abef6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09079c3e17121bd5d9226c805ed871e8aa12366bd5ad0415f04b36498abef6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09079c3e17121bd5d9226c805ed871e8aa12366bd5ad0415f04b36498abef6b7", kill_on_drop: false }`
[INFO] [stdout] 09079c3e17121bd5d9226c805ed871e8aa12366bd5ad0415f04b36498abef6b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 742a32d88034cc6ae04a30699b79c1dd2cce4bb0be8d21cc9b0e299572df3477
[INFO] running `Command { std: "docker" "start" "-a" "742a32d88034cc6ae04a30699b79c1dd2cce4bb0be8d21cc9b0e299572df3477", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking mint v0.5.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking nonzero_signed v1.0.2
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking hetseq v0.2.0
[INFO] [stderr]     Checking wavefront_obj v5.1.0
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking claxon v0.3.2
[INFO] [stderr]     Checking seahash v3.0.5
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking fluent-locale v0.4.1
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking downcast v0.9.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:120:38
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { self.type_id() == TypeId::of::<T>() }
[INFO] [stdout]     |                                      ^^^^^^^ multiple `type_id` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `Any`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:29:5
[INFO] [stdout]     |
[INFO] [stdout] 29  |     fn type_id(&self) -> TypeId { TypeId::of::<Self>() }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `std::any::Any`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { std::any::Any::type_id(&self) == TypeId::of::<T>() }
[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 E0034`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr] error: could not compile `downcast`
[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" "742a32d88034cc6ae04a30699b79c1dd2cce4bb0be8d21cc9b0e299572df3477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742a32d88034cc6ae04a30699b79c1dd2cce4bb0be8d21cc9b0e299572df3477", kill_on_drop: false }`
[INFO] [stdout] 742a32d88034cc6ae04a30699b79c1dd2cce4bb0be8d21cc9b0e299572df3477