[INFO] fetching crate skyangle 0.4.0...
[INFO] testing skyangle-0.4.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate skyangle 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate skyangle 0.4.0
[INFO] finished tweaking crates.io crate skyangle 0.4.0
[INFO] tweaked toml for crates.io crate skyangle 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate skyangle 0.4.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate skyangle 0.4.0 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.217
[INFO] [stderr]   Downloaded itoa v1.0.5
[INFO] [stderr]   Downloaded unicode-ident v1.0.16
[INFO] [stderr]   Downloaded proc-macro2 v1.0.93
[INFO] [stderr]   Downloaded ryu v1.0.12
[INFO] [stderr]   Downloaded serde v1.0.217
[INFO] [stderr]   Downloaded syn v2.0.98
[INFO] [stderr]   Downloaded serde_json v1.0.91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abfc24e566faf95aa08c3a73e082d18f8173d8f6d32aaf06a7537b9b3b45f2f1
[INFO] running `Command { std: "docker" "start" "-a" "abfc24e566faf95aa08c3a73e082d18f8173d8f6d32aaf06a7537b9b3b45f2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abfc24e566faf95aa08c3a73e082d18f8173d8f6d32aaf06a7537b9b3b45f2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abfc24e566faf95aa08c3a73e082d18f8173d8f6d32aaf06a7537b9b3b45f2f1", kill_on_drop: false }`
[INFO] [stdout] abfc24e566faf95aa08c3a73e082d18f8173d8f6d32aaf06a7537b9b3b45f2f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de72c9e3f6bbfd23d8d76894e01ad452233a52b72c0418cbcdcca36f4f31afca
[INFO] running `Command { std: "docker" "start" "-a" "de72c9e3f6bbfd23d8d76894e01ad452233a52b72c0418cbcdcca36f4f31afca", kill_on_drop: false }`
[INFO] [stderr]    Compiling skyangle v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "de72c9e3f6bbfd23d8d76894e01ad452233a52b72c0418cbcdcca36f4f31afca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de72c9e3f6bbfd23d8d76894e01ad452233a52b72c0418cbcdcca36f4f31afca", kill_on_drop: false }`
[INFO] [stdout] de72c9e3f6bbfd23d8d76894e01ad452233a52b72c0418cbcdcca36f4f31afca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89c2c538f9148f91749ae6c244390a3695ff0737d991158dd63fd7676f90292e
[INFO] running `Command { std: "docker" "start" "-a" "89c2c538f9148f91749ae6c244390a3695ff0737d991158dd63fd7676f90292e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling skyangle v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `SkyAngle<f64>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> src/lib.rs:279:39
[INFO] [stdout]      |
[INFO] [stdout]  279 |         let s = serde_json::to_string(&a).unwrap();
[INFO] [stdout]      |                 --------------------- ^^ unsatisfied trait bound
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout] help: the trait `serde::ser::Serialize` is not implemented for `SkyAngle<f64>`
[INFO] [stdout]     --> src/lib.rs:7:1
[INFO] [stdout]      |
[INFO] [stdout]    7 | pub enum SkyAngle<T: Conversion<T>> {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Serialize)]` to your `SkyAngle<f64>` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]              and 131 others
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.91/src/ser.rs:2141:17
[INFO] [stdout]      |
[INFO] [stdout] 2139 | pub fn to_string<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        --------- required by a bound in this function
[INFO] [stdout] 2140 | where
[INFO] [stdout] 2141 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `skyangle` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "89c2c538f9148f91749ae6c244390a3695ff0737d991158dd63fd7676f90292e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c2c538f9148f91749ae6c244390a3695ff0737d991158dd63fd7676f90292e", kill_on_drop: false }`
[INFO] [stdout] 89c2c538f9148f91749ae6c244390a3695ff0737d991158dd63fd7676f90292e
