[INFO] fetching crate torchbear 0.11.5...
[INFO] checking torchbear-0.11.5 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate torchbear 0.11.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate torchbear 0.11.5 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-ucd-segment v0.8.0
[INFO] [stderr]   Downloaded tera-v1 v1.0.0-alpha.4
[INFO] [stderr]   Downloaded variance v0.1.3
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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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b95e14d8a13872f556076784abb0f99662d36ada3daea641c3209ea6f2c5a6cc
[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" "b95e14d8a13872f556076784abb0f99662d36ada3daea641c3209ea6f2c5a6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b95e14d8a13872f556076784abb0f99662d36ada3daea641c3209ea6f2c5a6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b95e14d8a13872f556076784abb0f99662d36ada3daea641c3209ea6f2c5a6cc", kill_on_drop: false }`
[INFO] [stdout] b95e14d8a13872f556076784abb0f99662d36ada3daea641c3209ea6f2c5a6cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7da521c9a9cff75842ab32f83f0ffbbdb9573cfe241d03bfe46f2ff6c89bc026
[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" "7da521c9a9cff75842ab32f83f0ffbbdb9573cfe241d03bfe46f2ff6c89bc026", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling pkg-config v0.3.18
[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 v0.1.29
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling siphasher v0.2.3
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[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling syn v0.15.44
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[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
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[INFO] [stderr]    Compiling arrayvec v0.4.12
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[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking unic-char-range v0.8.0
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[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking downcast v0.9.2
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking census v0.1.1
[INFO] [stderr]     Checking diffs v0.2.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[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]    Compiling crossbeam-epoch v0.8.2
[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] 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" "7da521c9a9cff75842ab32f83f0ffbbdb9573cfe241d03bfe46f2ff6c89bc026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da521c9a9cff75842ab32f83f0ffbbdb9573cfe241d03bfe46f2ff6c89bc026", kill_on_drop: false }`
[INFO] [stdout] 7da521c9a9cff75842ab32f83f0ffbbdb9573cfe241d03bfe46f2ff6c89bc026