[INFO] fetching crate mithril-client 0.12.34...
[INFO] checking mithril-client-0.12.34 against try#bac5816c5f3d02cebd0599070af62d1782530294 for pr-150408
[INFO] extracting crate mithril-client 0.12.34 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mithril-client 0.12.34
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mithril-client 0.12.34
[INFO] tweaked toml for crates.io crate mithril-client 0.12.34 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mithril-client 0.12.34 on toolchain bac5816c5f3d02cebd0599070af62d1782530294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mithril-client 0.12.34 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6718f9b6463eea876b363188139459a9f30e96852b9c5b646b16e1d8cd4ac9ac
[INFO] running `Command { std: "docker" "start" "-a" "6718f9b6463eea876b363188139459a9f30e96852b9c5b646b16e1d8cd4ac9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6718f9b6463eea876b363188139459a9f30e96852b9c5b646b16e1d8cd4ac9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6718f9b6463eea876b363188139459a9f30e96852b9c5b646b16e1d8cd4ac9ac", kill_on_drop: false }`
[INFO] [stdout] 6718f9b6463eea876b363188139459a9f30e96852b9c5b646b16e1d8cd4ac9ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b58e6d33e85c29d91bdff26244eb2da6c79b5877baf7c4d81b7457a8557ab7e2
[INFO] running `Command { std: "docker" "start" "-a" "b58e6d33e85c29d91bdff26244eb2da6c79b5877baf7c4d81b7457a8557ab7e2", kill_on_drop: false }`
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[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mithril-common-0.6.25/src/signable_builder/interface.rs:20:41
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg_attr(not(target_family = "wasm"), typetag::serde(tag = "type"))]
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected trait `signable_builder::interface::Artifact + Send + Sync`, found trait `signable_builder::interface::Artifact`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `Box<dyn signable_builder::interface::Artifact + Send + Sync>` to `Box<dyn signable_builder::interface::Artifact>`
[INFO] [stdout]    = note: expected struct `Box<dyn signable_builder::interface::Artifact>`
[INFO] [stdout]               found struct `Box<dyn signable_builder::interface::Artifact + Send + Sync>`
[INFO] [stdout]    = note: this error originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mithril-common-0.6.25/src/signable_builder/interface.rs:20:41
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg_attr(not(target_family = "wasm"), typetag::serde(tag = "type"))]
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected trait `signable_builder::interface::Artifact + Send + Sync`, found trait `signable_builder::interface::Artifact + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `Box<dyn signable_builder::interface::Artifact + Send + Sync>` to `Box<dyn signable_builder::interface::Artifact + Send>`
[INFO] [stdout]    = note: expected struct `Box<dyn signable_builder::interface::Artifact + Send>`
[INFO] [stdout]               found struct `Box<dyn signable_builder::interface::Artifact + Send + Sync>`
[INFO] [stdout]    = note: this error originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mithril-common-0.6.25/src/signable_builder/interface.rs:20:41
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg_attr(not(target_family = "wasm"), typetag::serde(tag = "type"))]
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected trait `signable_builder::interface::Artifact + Send + Sync`, found trait `signable_builder::interface::Artifact + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `Box<dyn signable_builder::interface::Artifact + Send + Sync>` to `Box<dyn signable_builder::interface::Artifact + Sync>`
[INFO] [stdout]    = note: expected struct `Box<dyn signable_builder::interface::Artifact + Sync>`
[INFO] [stdout]               found struct `Box<dyn signable_builder::interface::Artifact + Send + Sync>`
[INFO] [stdout]    = note: this error originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mithril-common` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "b58e6d33e85c29d91bdff26244eb2da6c79b5877baf7c4d81b7457a8557ab7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58e6d33e85c29d91bdff26244eb2da6c79b5877baf7c4d81b7457a8557ab7e2", kill_on_drop: false }`
[INFO] [stdout] b58e6d33e85c29d91bdff26244eb2da6c79b5877baf7c4d81b7457a8557ab7e2
