[INFO] fetching crate ftl-numkernel 0.1.0...
[INFO] checking ftl-numkernel-0.1.0 against 1.95.0 for pr-155915
[INFO] extracting crate ftl-numkernel 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ftl-numkernel 0.1.0
[INFO] finished tweaking crates.io crate ftl-numkernel 0.1.0
[INFO] tweaked toml for crates.io crate ftl-numkernel 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ftl-numkernel 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v1.0.0 (available: v2.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.3.0
[INFO] [stderr]   Downloaded duplicate v2.0.1
[INFO] [stderr]   Downloaded rug v1.30.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b10d490941e31b2cb7d38dc9a4b912060c6b548570a6a610d0c0f1aa07bebfbb
[INFO] running `Command { std: "docker" "start" "-a" "b10d490941e31b2cb7d38dc9a4b912060c6b548570a6a610d0c0f1aa07bebfbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b10d490941e31b2cb7d38dc9a4b912060c6b548570a6a610d0c0f1aa07bebfbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10d490941e31b2cb7d38dc9a4b912060c6b548570a6a610d0c0f1aa07bebfbb", kill_on_drop: false }`
[INFO] [stdout] b10d490941e31b2cb7d38dc9a4b912060c6b548570a6a610d0c0f1aa07bebfbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72f18abcbc898b6d47f7f04bad31ca325640acda3f149b29563c767df2ee97c9
[INFO] running `Command { std: "docker" "start" "-a" "72f18abcbc898b6d47f7f04bad31ca325640acda3f149b29563c767df2ee97c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling duplicate v2.0.1
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking ftl-numkernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `thiserror`
[INFO] [stdout]   --> src/errors.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 | #[derive(Debug, Error)]
[INFO] [stdout]    |                 ^^^^^ no `ThiserrorProvide` in `__private18`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(error_generic_member_access)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `thiserror`
[INFO] [stdout]   --> src/errors.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 | #[derive(Debug, Error)]
[INFO] [stdout]    |                 ^^^^^ no `ThiserrorProvide` in `__private18`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(error_generic_member_access)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `thiserror_provide` found for reference `&RealValueErrors<RealType>` in the current scope
[INFO] [stdout]   --> src/errors.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         real_part_error: RealValueErrors<RealType>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ method not found in `&RealValueErrors<RealType>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `thiserror_provide` found for reference `&RealValueErrors<RealType>` in the current scope
[INFO] [stdout]   --> src/errors.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         imaginary_part_error: RealValueErrors<RealType>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ method not found in `&RealValueErrors<RealType>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `thiserror_provide` found for reference `&errors::RealValueErrors<RealType>` in the current scope
[INFO] [stdout]   --> src/errors.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         real_part_error: RealValueErrors<RealType>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ method not found in `&errors::RealValueErrors<RealType>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `thiserror_provide` found for reference `&errors::RealValueErrors<RealType>` in the current scope
[INFO] [stdout]   --> src/errors.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         imaginary_part_error: RealValueErrors<RealType>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ method not found in `&errors::RealValueErrors<RealType>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ftl-numkernel` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ftl-numkernel` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "72f18abcbc898b6d47f7f04bad31ca325640acda3f149b29563c767df2ee97c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f18abcbc898b6d47f7f04bad31ca325640acda3f149b29563c767df2ee97c9", kill_on_drop: false }`
[INFO] [stdout] 72f18abcbc898b6d47f7f04bad31ca325640acda3f149b29563c767df2ee97c9