[INFO] fetching crate toshi 0.1.0...
[INFO] testing toshi-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate toshi 0.1.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate toshi 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate toshi 0.1.0
[INFO] finished tweaking crates.io crate toshi 0.1.0
[INFO] tweaked toml for crates.io crate toshi 0.1.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4de0a71e44e9adcbeb7230789d6b22be61dd8cfc1e096affcd378aa9b72bfda5
[INFO] running `Command { std: "docker" "start" "-a" "4de0a71e44e9adcbeb7230789d6b22be61dd8cfc1e096affcd378aa9b72bfda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4de0a71e44e9adcbeb7230789d6b22be61dd8cfc1e096affcd378aa9b72bfda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de0a71e44e9adcbeb7230789d6b22be61dd8cfc1e096affcd378aa9b72bfda5", kill_on_drop: false }`
[INFO] [stdout] 4de0a71e44e9adcbeb7230789d6b22be61dd8cfc1e096affcd378aa9b72bfda5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1220cb466760996fb88b4e8a4f5d83e8beab9c19dad61acafc508f195ab2bdb
[INFO] running `Command { std: "docker" "start" "-a" "b1220cb466760996fb88b4e8a4f5d83e8beab9c19dad61acafc508f195ab2bdb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling try-lock v0.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling downcast v0.9.2
[INFO] [stderr]    Compiling borrow-bag v1.1.0
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling census v0.1.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling capnp v0.9.5
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling owned-read v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling snap v0.2.5
[INFO] [stderr]    Compiling lock_api v0.3.4
[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] [stderr] error: could not compile `downcast` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b1220cb466760996fb88b4e8a4f5d83e8beab9c19dad61acafc508f195ab2bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1220cb466760996fb88b4e8a4f5d83e8beab9c19dad61acafc508f195ab2bdb", kill_on_drop: false }`
[INFO] [stdout] b1220cb466760996fb88b4e8a4f5d83e8beab9c19dad61acafc508f195ab2bdb