[INFO] fetching crate qdk_sim_rs 0.28.263081...
[INFO] testing qdk_sim_rs-0.28.263081 against 1.69.0 for beta-1.70-1
[INFO] extracting crate qdk_sim_rs 0.28.263081 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate qdk_sim_rs 0.28.263081 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qdk_sim_rs 0.28.263081
[INFO] finished tweaking crates.io crate qdk_sim_rs 0.28.263081
[INFO] tweaked toml for crates.io crate qdk_sim_rs 0.28.263081 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miette-derive v4.7.1
[INFO] [stderr]   Downloaded cauchy v0.4.0
[INFO] [stderr]   Downloaded pyo3-macros v0.13.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.13.2
[INFO] [stderr]   Downloaded pyo3 v0.13.2
[INFO] [stderr]   Downloaded miette v4.7.1
[INFO] [stderr]   Downloaded numpy v0.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 512db4aa327e27b6c6606c2f4eb6d02d1a87e38ede6856b76c16b38d3bd526de
[INFO] running `Command { std: "docker" "start" "-a" "512db4aa327e27b6c6606c2f4eb6d02d1a87e38ede6856b76c16b38d3bd526de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "512db4aa327e27b6c6606c2f4eb6d02d1a87e38ede6856b76c16b38d3bd526de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512db4aa327e27b6c6606c2f4eb6d02d1a87e38ede6856b76c16b38d3bd526de", kill_on_drop: false }`
[INFO] [stdout] 512db4aa327e27b6c6606c2f4eb6d02d1a87e38ede6856b76c16b38d3bd526de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d380ae82f9e8b7ae19b7574e3f5b40ea05988922e8d80e0d844823917f4d9ad2
[INFO] running `Command { std: "docker" "start" "-a" "d380ae82f9e8b7ae19b7574e3f5b40ea05988922e8d80e0d844823917f4d9ad2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.160
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[INFO] [stderr]    Compiling num_enum v0.5.11
[INFO] [stderr]    Compiling thiserror v1.0.30
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[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling cauchy v0.4.0
[INFO] [stderr]    Compiling cargo-lock v8.0.3
[INFO] [stderr]    Compiling built v0.5.2
[INFO] [stderr]    Compiling qdk_sim_rs v0.28.263081 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0407]: method `backtrace` is not a member of trait `std::error::Error`
[INFO] [stdout]   --> src/error.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug, Diagnostic, Error)]
[INFO] [stdout]    |                             ^^^^^ not a member of trait `std::error::Error`
[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] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/linalg/tensor.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |             self[(i)] * other[(j)]
[INFO] [stdout]    |                  ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -             self[(i)] * other[(j)]
[INFO] [stdout] 27 +             self[i] * other[(j)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/linalg/tensor.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |             self[(i)] * other[(j)]
[INFO] [stdout]    |                               ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -             self[(i)] * other[(j)]
[INFO] [stdout] 27 +             self[(i)] * other[j]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/linalg/decompositions/eig.rs:86:39
[INFO] [stdout]    |
[INFO] [stdout] 86 |                         * new_eigvals[(idx_eig)]
[INFO] [stdout]    |                                       ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 86 -                         * new_eigvals[(idx_eig)]
[INFO] [stdout] 86 +                         * new_eigvals[idx_eig]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(backtrace)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `backtrace` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(backtrace)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `backtrace` found for enum `QdkSimError` in the current scope
[INFO] [stdout]   --> src/c_api.rs:45:34
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 *guard = api_err.backtrace().map(|bt| bt.to_string())
[INFO] [stdout]    |                                  ^^^^^^^^^ method not found in `QdkSimError`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/error.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum QdkSimError {
[INFO] [stdout]    | -------------------- method `backtrace` not found for this enum
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `backtrace` found for reference `&dyn StdError` in the current scope
[INFO] [stdout]   --> src/error.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |     #[error(transparent)]
[INFO] [stdout]    |             ^^^^^^^^^^^ method not found in `&dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `backtrace` found for reference `&dyn StdError` in the current scope
[INFO] [stdout]    --> src/error.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |     #[error(transparent)]
[INFO] [stdout]     |             ^^^^^^^^^^^ method not found in `&dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `backtrace` found for reference `&dyn StdError` in the current scope
[INFO] [stdout]    --> src/error.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |     #[error(transparent)]
[INFO] [stdout]     |             ^^^^^^^^^^^ method not found in `&dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]   --> src/c_api.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0407, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0407`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qdk_sim_rs` due to 7 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d380ae82f9e8b7ae19b7574e3f5b40ea05988922e8d80e0d844823917f4d9ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d380ae82f9e8b7ae19b7574e3f5b40ea05988922e8d80e0d844823917f4d9ad2", kill_on_drop: false }`
[INFO] [stdout] d380ae82f9e8b7ae19b7574e3f5b40ea05988922e8d80e0d844823917f4d9ad2
