[INFO] fetching crate torchbear 0.11.5...
[INFO] checking torchbear-0.11.5 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate torchbear 0.11.5 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate torchbear 0.11.5 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate torchbear 0.11.5
[INFO] finished tweaking crates.io crate torchbear 0.11.5
[INFO] tweaked toml for crates.io crate torchbear 0.11.5 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cb0550b969a978f6730126debe6d112a7d4ac8dc01315f23223d8e164b2c315
[INFO] running `Command { std: "docker" "start" "-a" "1cb0550b969a978f6730126debe6d112a7d4ac8dc01315f23223d8e164b2c315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cb0550b969a978f6730126debe6d112a7d4ac8dc01315f23223d8e164b2c315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb0550b969a978f6730126debe6d112a7d4ac8dc01315f23223d8e164b2c315", kill_on_drop: false }`
[INFO] [stdout] 1cb0550b969a978f6730126debe6d112a7d4ac8dc01315f23223d8e164b2c315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dd97047b3d9cd60ac4d07bfd44d68ba0c097f0af2a03a7b06bf926a95513f70
[INFO] running `Command { std: "docker" "start" "-a" "1dd97047b3d9cd60ac4d07bfd44d68ba0c097f0af2a03a7b06bf926a95513f70", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]     Checking stable_deref_trait v1.2.0
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[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking scopeguard v0.3.3
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[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking downcast v0.9.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling openssl-src v300.0.2+3.0.0
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[INFO] [stderr]     Checking owning_ref v0.4.1
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[INFO] [stderr]    Compiling curl-sys v0.4.51+curl-7.80.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling rlua v0.15.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking owned-read v0.4.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking humantime v1.3.0
[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] [stderr] error: could not compile `downcast` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1dd97047b3d9cd60ac4d07bfd44d68ba0c097f0af2a03a7b06bf926a95513f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd97047b3d9cd60ac4d07bfd44d68ba0c097f0af2a03a7b06bf926a95513f70", kill_on_drop: false }`
[INFO] [stdout] 1dd97047b3d9cd60ac4d07bfd44d68ba0c097f0af2a03a7b06bf926a95513f70