[INFO] cloning repository https://github.com/TianWZhang/TFHEStrings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TianWZhang/TFHEStrings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTianWZhang%2FTFHEStrings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTianWZhang%2FTFHEStrings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93f429350a6216657ac8b5face5a27c524b349e7
[INFO] checking TianWZhang/TFHEStrings against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTianWZhang%2FTFHEStrings" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TianWZhang/TFHEStrings
[INFO] finished tweaking git repo https://github.com/TianWZhang/TFHEStrings
[INFO] tweaked toml for git repo https://github.com/TianWZhang/TFHEStrings written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TianWZhang/TFHEStrings on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TianWZhang/TFHEStrings 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f295fdf13c99b5de842d2bc2611ed8c88b6465a4565a3a103561eeeb849ee4f
[INFO] running `Command { std: "docker" "start" "-a" "4f295fdf13c99b5de842d2bc2611ed8c88b6465a4565a3a103561eeeb849ee4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f295fdf13c99b5de842d2bc2611ed8c88b6465a4565a3a103561eeeb849ee4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f295fdf13c99b5de842d2bc2611ed8c88b6465a4565a3a103561eeeb849ee4f", kill_on_drop: false }`
[INFO] [stdout] 4f295fdf13c99b5de842d2bc2611ed8c88b6465a4565a3a103561eeeb849ee4f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e04a29483a66222ab78cec219f79754cd7710258866aa3a477b1efdfd9c71231
[INFO] running `Command { std: "docker" "start" "-a" "e04a29483a66222ab78cec219f79754cd7710258866aa3a477b1efdfd9c71231", kill_on_drop: false }`
[INFO] [stderr]     Checking bytemuck v1.18.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking reborrow v0.5.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling concrete-csprng v0.4.1
[INFO] [stderr]    Compiling tfhe v0.10.0
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking dyn-stack v0.10.0
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling tfhe-versionable-derive v0.3.2
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking aligned-vec v0.5.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking pulp v0.18.22
[INFO] [stderr]     Checking tfhe-versionable v0.3.2
[INFO] [stderr]     Checking concrete-fft v0.5.1
[INFO] [stderr]     Checking concrete-ntt v0.2.0
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/integer/backward_compatibility/ciphertext/mod.rs:52:10
[INFO] [stdout]     |
[INFO] [stdout]  52 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/shortint/backward_compatibility/ciphertext/mod.rs:61:10
[INFO] [stdout]     |
[INFO] [stdout]  61 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/shortint/backward_compatibility/ciphertext/mod.rs:105:10
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/high_level_api/backward_compatibility/booleans.rs:33:10
[INFO] [stdout]     |
[INFO] [stdout]  33 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/high_level_api/backward_compatibility/booleans.rs:62:10
[INFO] [stdout]     |
[INFO] [stdout]  62 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/high_level_api/backward_compatibility/compact_list.rs:23:10
[INFO] [stdout]     |
[INFO] [stdout]  23 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/high_level_api/backward_compatibility/compressed_ciphertext_list.rs:37:10
[INFO] [stdout]     |
[INFO] [stdout]  37 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/high_level_api/backward_compatibility/integers.rs:84:10
[INFO] [stdout]     |
[INFO] [stdout]  84 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/high_level_api/backward_compatibility/integers.rs:122:10
[INFO] [stdout]     |
[INFO] [stdout] 122 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/high_level_api/backward_compatibility/keys.rs:7:10
[INFO] [stdout]     |
[INFO] [stdout]   7 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/high_level_api/backward_compatibility/keys.rs:71:10
[INFO] [stdout]     |
[INFO] [stdout]  71 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/high_level_api/backward_compatibility/keys.rs:93:10
[INFO] [stdout]     |
[INFO] [stdout]  93 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/high_level_api/backward_compatibility/keys.rs:115:10
[INFO] [stdout]     |
[INFO] [stdout] 115 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/high_level_api/backward_compatibility/keys.rs:137:10
[INFO] [stdout]     |
[INFO] [stdout] 137 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-0.10.0/src/high_level_api/backward_compatibility/keys.rs:175:10
[INFO] [stdout]     |
[INFO] [stdout] 175 | #[derive(VersionsDispatch)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `UnversionizeError::upgrade`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tfhe-versionable-0.3.2/src/lib.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn upgrade<E: Error + 'static + Send + Sync>(
[INFO] [stdout]     |                       ^^^^^ required by this bound in `UnversionizeError::upgrade`
[INFO] [stdout]     = note: this error originates in the derive macro `VersionsDispatch` (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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tfhe` (lib) due to 15 previous errors
[INFO] running `Command { std: "docker" "inspect" "e04a29483a66222ab78cec219f79754cd7710258866aa3a477b1efdfd9c71231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e04a29483a66222ab78cec219f79754cd7710258866aa3a477b1efdfd9c71231", kill_on_drop: false }`
[INFO] [stdout] e04a29483a66222ab78cec219f79754cd7710258866aa3a477b1efdfd9c71231
