[INFO] fetching crate libtaos 0.4.5...
[INFO] testing libtaos-0.4.5 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate libtaos 0.4.5 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate libtaos 0.4.5 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libtaos 0.4.5
[INFO] finished tweaking crates.io crate libtaos 0.4.5
[INFO] tweaked toml for crates.io crate libtaos 0.4.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate libtaos 0.4.5 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_test v1.0.137
[INFO] [stderr]   Downloaded derive_builder_core v0.11.2
[INFO] [stderr]   Downloaded coverage-helper v0.1.0
[INFO] [stderr]   Downloaded darling_macro v0.14.1
[INFO] [stderr]   Downloaded proc-test-catalog v0.1.0
[INFO] [stderr]   Downloaded project-root v0.2.2
[INFO] [stderr]   Downloaded derive_builder_macro v0.11.2
[INFO] [stderr]   Downloaded mdsn v0.2.1
[INFO] [stderr]   Downloaded serde_repr v0.1.8
[INFO] [stderr]   Downloaded r2d2 v0.8.9
[INFO] [stderr]   Downloaded darling v0.14.1
[INFO] [stderr]   Downloaded hashlink v0.7.0
[INFO] [stderr]   Downloaded darling_core v0.14.1
[INFO] [stderr]   Downloaded tracing-core v0.1.27
[INFO] [stderr]   Downloaded derive_builder v0.11.2
[INFO] [stderr]   Downloaded stdext v0.3.1
[INFO] [stderr]   Downloaded rusqlite v0.26.3
[INFO] [stderr]   Downloaded git2 v0.13.25
[INFO] [stderr]   Downloaded test-catalog v0.1.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.23.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1fadabea549b10d9d64a9fa246eaeab5bea7c53595d546d63bfce21a027048a
[INFO] running `Command { std: "docker" "start" "-a" "c1fadabea549b10d9d64a9fa246eaeab5bea7c53595d546d63bfce21a027048a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1fadabea549b10d9d64a9fa246eaeab5bea7c53595d546d63bfce21a027048a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1fadabea549b10d9d64a9fa246eaeab5bea7c53595d546d63bfce21a027048a", kill_on_drop: false }`
[INFO] [stdout] c1fadabea549b10d9d64a9fa246eaeab5bea7c53595d546d63bfce21a027048a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c2cfdf66ccac20d60a9817eb0b0b3cefb1740e1373a1b749ccf8d79b1f6cd5e
[INFO] running `Command { std: "docker" "start" "-a" "8c2cfdf66ccac20d60a9817eb0b0b3cefb1740e1373a1b749ccf8d79b1f6cd5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling urlencoding v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling libtaos v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling stdext v0.3.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling darling_core v0.14.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling serde_repr v0.1.8
[INFO] [stderr]    Compiling darling_macro v0.14.1
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling darling v0.14.1
[INFO] [stderr]    Compiling mdsn v0.2.1
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]    Compiling derive_builder v0.11.2
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]    Compiling num_enum v0.5.7
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/timestamp.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             _ => unreachable!("not a valid precision"),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/timestamp.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             _ => unreachable!("not a valid precision"),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/timestamp.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             _ => unreachable!("not a valid precision"),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/stmt/bind.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Box::from_raw(self.0.length);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let _ = Box::from_raw(self.0.length);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/stmt/bind.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Box::from_raw(self.0.is_null);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let _ = Box::from_raw(self.0.is_null);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/stmt/bind.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Box::from_raw(self.0.error);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let _ = Box::from_raw(self.0.error);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.27s
[INFO] running `Command { std: "docker" "inspect" "8c2cfdf66ccac20d60a9817eb0b0b3cefb1740e1373a1b749ccf8d79b1f6cd5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2cfdf66ccac20d60a9817eb0b0b3cefb1740e1373a1b749ccf8d79b1f6cd5e", kill_on_drop: false }`
[INFO] [stdout] 8c2cfdf66ccac20d60a9817eb0b0b3cefb1740e1373a1b749ccf8d79b1f6cd5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71020e7417712bcb3fd6fe5a4193ed305f6d9d612dd9854e732feddff209775a
[INFO] running `Command { std: "docker" "start" "-a" "71020e7417712bcb3fd6fe5a4193ed305f6d9d612dd9854e732feddff209775a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.0
[INFO] [stderr]    Compiling serde_test v1.0.137
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling darling_core v0.14.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling os_str_bytes v6.1.0
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_lex v0.2.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling cargo_toml v0.10.3
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling project-root v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling mio v0.8.3
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libsqlite3-sys v0.23.2
[INFO] [stderr]    Compiling libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling clap_derive v3.2.5
[INFO] [stderr]    Compiling hashlink v0.7.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling coverage-helper v0.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling tokio v1.19.2
[INFO] [stderr]    Compiling darling_macro v0.14.1
[INFO] [stderr]    Compiling darling v0.14.1
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling num_enum v0.5.7
[INFO] [stderr]    Compiling clap v3.2.5
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]    Compiling derive_builder v0.11.2
[INFO] [stderr]    Compiling libtaos v0.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/timestamp.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             _ => unreachable!("not a valid precision"),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/timestamp.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             _ => unreachable!("not a valid precision"),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/timestamp.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             _ => unreachable!("not a valid precision"),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/stmt/bind.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Box::from_raw(self.0.length);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let _ = Box::from_raw(self.0.length);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/stmt/bind.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Box::from_raw(self.0.is_null);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let _ = Box::from_raw(self.0.is_null);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/stmt/bind.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Box::from_raw(self.0.error);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let _ = Box::from_raw(self.0.error);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling git2 v0.13.25
[INFO] [stderr]    Compiling rusqlite v0.26.3
[INFO] [stderr]    Compiling test-catalog v0.1.0
[INFO] [stderr]    Compiling proc-test-catalog v0.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-test-catalog-0.1.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_span)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-test-catalog` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "71020e7417712bcb3fd6fe5a4193ed305f6d9d612dd9854e732feddff209775a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71020e7417712bcb3fd6fe5a4193ed305f6d9d612dd9854e732feddff209775a", kill_on_drop: false }`
[INFO] [stdout] 71020e7417712bcb3fd6fe5a4193ed305f6d9d612dd9854e732feddff209775a
