[INFO] fetching crate lbr-prelude-derive 1.0.2...
[INFO] testing lbr-prelude-derive-1.0.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate lbr-prelude-derive 1.0.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate lbr-prelude-derive 1.0.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate lbr-prelude-derive 1.0.2
[INFO] tweaked toml for crates.io crate lbr-prelude-derive 1.0.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lbr-prelude-derive 1.0.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lbr-prelude-derive 1.0.2 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f9dda9b83172f1ff260cb05a9b7aa942eb2c652012eb753f67f9625633ca69d
[INFO] running `Command { std: "docker" "start" "-a" "0f9dda9b83172f1ff260cb05a9b7aa942eb2c652012eb753f67f9625633ca69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f9dda9b83172f1ff260cb05a9b7aa942eb2c652012eb753f67f9625633ca69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f9dda9b83172f1ff260cb05a9b7aa942eb2c652012eb753f67f9625633ca69d", kill_on_drop: false }`
[INFO] [stdout] 0f9dda9b83172f1ff260cb05a9b7aa942eb2c652012eb753f67f9625633ca69d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5664b6a6476e615bcf0b506ba545ee8dcce167f9275659a9a5fea5bd29103d6
[INFO] running `Command { std: "docker" "start" "-a" "a5664b6a6476e615bcf0b506ba545ee8dcce167f9275659a9a5fea5bd29103d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling dissimilar v1.0.10
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling toml_parser v1.0.2
[INFO] [stderr]    Compiling serde_spanned v1.0.0
[INFO] [stderr]    Compiling toml_datetime v0.7.0
[INFO] [stderr]    Compiling toml v0.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling trybuild v1.0.110
[INFO] [stderr]    Compiling lbr-prelude-derive v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.82s
[INFO] running `Command { std: "docker" "inspect" "a5664b6a6476e615bcf0b506ba545ee8dcce167f9275659a9a5fea5bd29103d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5664b6a6476e615bcf0b506ba545ee8dcce167f9275659a9a5fea5bd29103d6", kill_on_drop: false }`
[INFO] [stdout] a5664b6a6476e615bcf0b506ba545ee8dcce167f9275659a9a5fea5bd29103d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9f26bb9e270e4ba893ca41079aa0ac48936596f6b02a26e3a9fe2bbb2e802e0
[INFO] running `Command { std: "docker" "start" "-a" "f9f26bb9e270e4ba893ca41079aa0ac48936596f6b02a26e3a9fe2bbb2e802e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling dissimilar v1.0.10
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling toml_parser v1.0.2
[INFO] [stderr]    Compiling toml_datetime v0.7.0
[INFO] [stderr]    Compiling serde_spanned v1.0.0
[INFO] [stderr]    Compiling toml v0.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling trybuild v1.0.110
[INFO] [stderr]    Compiling lbr-prelude-derive v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/newtype.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lbr_prelude::json::Json;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/struct.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lbr_prelude::json::Json;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/tuple.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lbr_prelude::json::Json;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/enum.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lbr_prelude::json::{json_constructor, Json};
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/struct.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Json)]
[INFO] [stdout]   |          ^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Json` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/struct.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Json)]
[INFO] [stdout]   |          ^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Json` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these modules
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::error;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use serde_json::error;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/struct.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Json)]
[INFO] [stdout]   |          ^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Json` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::error::Error;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::fmt::Error;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::io::Error;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use core::error::Error;
[INFO] [stdout]   |
[INFO] [stdout]   = and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lbr-prelude-derive` (test "struct") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/newtype.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Json)]
[INFO] [stdout]   |          ^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Json` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/newtype.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Json)]
[INFO] [stdout]   |          ^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Json` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these modules
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::error;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use serde_json::error;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/tuple.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Json)]
[INFO] [stdout]   |          ^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Json` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/enum.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Json)]
[INFO] [stdout]   |          ^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Json` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lbr-prelude-derive` (test "newtype") due to 3 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/tuple.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Json)]
[INFO] [stdout]   |          ^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Json` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these modules
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::error;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use serde_json::error;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/tuple.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Json)]
[INFO] [stdout]   |          ^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Json` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::error::Error;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::fmt::Error;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::io::Error;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use core::error::Error;
[INFO] [stdout]   |
[INFO] [stdout]   = and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lbr-prelude-derive` (test "tuple") due to 4 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/enum.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Json)]
[INFO] [stdout]   |          ^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Json` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these modules
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::error;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use serde_json::error;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]  --> tests/enum.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Json)]
[INFO] [stdout]   |          ^^^^ use of unresolved module or unlinked crate `lbr_prelude`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lbr_prelude`, use `cargo add lbr_prelude` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Json` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::error::Error;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::fmt::Error;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::io::Error;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use core::error::Error;
[INFO] [stdout]   |
[INFO] [stdout]   = and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lbr-prelude-derive` (test "enum") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "f9f26bb9e270e4ba893ca41079aa0ac48936596f6b02a26e3a9fe2bbb2e802e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f26bb9e270e4ba893ca41079aa0ac48936596f6b02a26e3a9fe2bbb2e802e0", kill_on_drop: false }`
[INFO] [stdout] f9f26bb9e270e4ba893ca41079aa0ac48936596f6b02a26e3a9fe2bbb2e802e0
