[INFO] fetching crate torchbear 0.11.5...
[INFO] checking torchbear-0.11.5 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate torchbear 0.11.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate torchbear 0.11.5 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-ucd-version v0.8.0
[INFO] [stderr]   Downloaded tera-v1 v1.0.0-alpha.4
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[INFO] [stderr]   Downloaded actix-lua v0.5.2
[INFO] [stderr]   Downloaded diff-rs v0.2.3
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[INFO] [stderr]   Downloaded tantivy v0.8.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf0248a17e4c4390b4ca4a107f44b214c6d8f795203ed1cd1f493ac3f4da22e7
[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" "cf0248a17e4c4390b4ca4a107f44b214c6d8f795203ed1cd1f493ac3f4da22e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf0248a17e4c4390b4ca4a107f44b214c6d8f795203ed1cd1f493ac3f4da22e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf0248a17e4c4390b4ca4a107f44b214c6d8f795203ed1cd1f493ac3f4da22e7", kill_on_drop: false }`
[INFO] [stdout] cf0248a17e4c4390b4ca4a107f44b214c6d8f795203ed1cd1f493ac3f4da22e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] def648d157ae0d60896549e7b0c9eae986f1889d26d9ff1be63c36e446580e10
[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" "def648d157ae0d60896549e7b0c9eae986f1889d26d9ff1be63c36e446580e10", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.61
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[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking slab v0.4.2
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[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.18
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[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking unic-common v0.8.0
[INFO] [stderr]    Compiling nix v0.14.1
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[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking census v0.1.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking diffs v0.2.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking downcast v0.9.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking 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] [stderr]     Checking rand_core v0.3.1
[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]     Checking rand_jitter v0.1.4
[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" "def648d157ae0d60896549e7b0c9eae986f1889d26d9ff1be63c36e446580e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def648d157ae0d60896549e7b0c9eae986f1889d26d9ff1be63c36e446580e10", kill_on_drop: false }`
[INFO] [stdout] def648d157ae0d60896549e7b0c9eae986f1889d26d9ff1be63c36e446580e10