[INFO] cloning repository https://github.com/e1732a364fed/user_trait
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/e1732a364fed/user_trait" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe1732a364fed%2Fuser_trait", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe1732a364fed%2Fuser_trait'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28e5bc09befafe5b8fb2a1d3104cfc5b309e069f
[INFO] checking e1732a364fed/user_trait/28e5bc09befafe5b8fb2a1d3104cfc5b309e069f against try#94382f34384023f3d2062a34ccf0bb6b4d44a75a for mutual-coercion
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe1732a364fed%2Fuser_trait" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/e1732a364fed/user_trait
[INFO] finished tweaking git repo https://github.com/e1732a364fed/user_trait
[INFO] tweaked toml for git repo https://github.com/e1732a364fed/user_trait written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/e1732a364fed/user_trait on toolchain 94382f34384023f3d2062a34ccf0bb6b4d44a75a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94382f34384023f3d2062a34ccf0bb6b4d44a75a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/e1732a364fed/user_trait 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" "+94382f34384023f3d2062a34ccf0bb6b4d44a75a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+94382f34384023f3d2062a34ccf0bb6b4d44a75a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f31bd5361a6e7d89dbe3c3d2a63013f238614decba8fc859624eb50eb3894fef
[INFO] running `Command { std: "docker" "start" "-a" "f31bd5361a6e7d89dbe3c3d2a63013f238614decba8fc859624eb50eb3894fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f31bd5361a6e7d89dbe3c3d2a63013f238614decba8fc859624eb50eb3894fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31bd5361a6e7d89dbe3c3d2a63013f238614decba8fc859624eb50eb3894fef", kill_on_drop: false }`
[INFO] [stdout] f31bd5361a6e7d89dbe3c3d2a63013f238614decba8fc859624eb50eb3894fef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+94382f34384023f3d2062a34ccf0bb6b4d44a75a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8839abe2945650f2adf97f1110e72a3c3e70b8720d0c949f6aa01edbb1953abc
[INFO] running `Command { std: "docker" "start" "-a" "8839abe2945650f2adf97f1110e72a3c3e70b8720d0c949f6aa01edbb1953abc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling typeid v1.0.2
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking inventory v0.3.17
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling typetag-impl v0.2.19
[INFO] [stderr]     Checking erased-serde v0.4.5
[INFO] [stderr]     Checking typetag v0.2.19
[INFO] [stderr]     Checking user_trait v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ expected trait `UserTrait + Send + Sync`, found trait `UserTrait`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `Box<dyn UserTrait + Send + Sync>` to `Box<dyn UserTrait>`
[INFO] [stdout]    = note: expected struct `Box<dyn UserTrait>`
[INFO] [stdout]               found struct `Box<dyn UserTrait + 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]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ expected trait `UserTrait + Send + Sync`, found trait `UserTrait + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `Box<dyn UserTrait + Send + Sync>` to `Box<dyn UserTrait + Send>`
[INFO] [stdout]    = note: expected struct `Box<dyn UserTrait + Send>`
[INFO] [stdout]               found struct `Box<dyn UserTrait + 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]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ expected trait `UserTrait + Send + Sync`, found trait `UserTrait + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `Box<dyn UserTrait + Send + Sync>` to `Box<dyn UserTrait + Sync>`
[INFO] [stdout]    = note: expected struct `Box<dyn UserTrait + Sync>`
[INFO] [stdout]               found struct `Box<dyn UserTrait + 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]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ expected trait `UserTrait + Send + Sync`, found trait `UserTrait`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `Box<dyn UserTrait + Send + Sync>` to `Box<dyn UserTrait>`
[INFO] [stdout]    = note: expected struct `Box<dyn UserTrait>`
[INFO] [stdout]               found struct `Box<dyn UserTrait + 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]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ expected trait `UserTrait + Send + Sync`, found trait `UserTrait + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `Box<dyn UserTrait + Send + Sync>` to `Box<dyn UserTrait + Send>`
[INFO] [stdout]    = note: expected struct `Box<dyn UserTrait + Send>`
[INFO] [stdout]               found struct `Box<dyn UserTrait + 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]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[typetag::serde]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ expected trait `UserTrait + Send + Sync`, found trait `UserTrait + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `Box<dyn UserTrait + Send + Sync>` to `Box<dyn UserTrait + Sync>`
[INFO] [stdout]    = note: expected struct `Box<dyn UserTrait + Sync>`
[INFO] [stdout]               found struct `Box<dyn UserTrait + 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 `user_trait` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `user_trait` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "8839abe2945650f2adf97f1110e72a3c3e70b8720d0c949f6aa01edbb1953abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8839abe2945650f2adf97f1110e72a3c3e70b8720d0c949f6aa01edbb1953abc", kill_on_drop: false }`
[INFO] [stdout] 8839abe2945650f2adf97f1110e72a3c3e70b8720d0c949f6aa01edbb1953abc
