[INFO] fetching crate impex 0.1.0...
[INFO] testing impex-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate impex 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate impex 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate impex 0.1.0
[INFO] tweaked toml for crates.io crate impex 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate impex 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate impex 0.1.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded impex-derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c72f2bca74d5b8d8602a0f93190ee6edf922d1478a924f828ff70bdb03cdd0b3
[INFO] running `Command { std: "docker" "start" "c72f2bca74d5b8d8602a0f93190ee6edf922d1478a924f828ff70bdb03cdd0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c72f2bca74d5b8d8602a0f93190ee6edf922d1478a924f828ff70bdb03cdd0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c72f2bca74d5b8d8602a0f93190ee6edf922d1478a924f828ff70bdb03cdd0b3" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c72f2bca74d5b8d8602a0f93190ee6edf922d1478a924f828ff70bdb03cdd0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c72f2bca74d5b8d8602a0f93190ee6edf922d1478a924f828ff70bdb03cdd0b3" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling impex-derive v0.1.0
[INFO] [stderr]    Compiling impex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "c72f2bca74d5b8d8602a0f93190ee6edf922d1478a924f828ff70bdb03cdd0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c72f2bca74d5b8d8602a0f93190ee6edf922d1478a924f828ff70bdb03cdd0b3" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling impex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find `Visitor` in `impex`
[INFO] [stdout]    --> tests/custom_strategy.rs:143:14
[INFO] [stdout]     |
[INFO] [stdout] 143 |     ::impex::Visitor::<(NonZeroU8, [u8; 30])>::visit(&mut config, &mut variable_name);
[INFO] [stdout]     |              ^^^^^^^ could not find `Visitor` in `impex`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:15:11
[INFO] [stdout]     |
[INFO] [stdout]  14 | #[cfg(feature = "visitor")]
[INFO] [stdout]     |       ------------------- the item is gated behind the `visitor` feature
[INFO] [stdout]  15 | pub trait Visitor<T> {
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `Visitor` in `impex`
[INFO] [stdout]    --> tests/custom_strategy.rs:157:14
[INFO] [stdout]     |
[INFO] [stdout] 157 |     ::impex::Visitor::<(NonZeroU8, [u8; 30])>::visit(&mut config, &mut variable_name);
[INFO] [stdout]     |              ^^^^^^^ could not find `Visitor` in `impex`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:15:11
[INFO] [stdout]     |
[INFO] [stdout]  14 | #[cfg(feature = "visitor")]
[INFO] [stdout]     |       ------------------- the item is gated behind the `visitor` feature
[INFO] [stdout]  15 | pub trait Visitor<T> {
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Visitor` in crate `::impex`
[INFO] [stdout]    --> tests/custom_strategy.rs:123:18
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl<T> ::impex::Visitor<(NonZeroU8, [u8; 30])> for MyPrimitiveValue<T> {
[INFO] [stdout]     |                  ^^^^^^^ not found in `::impex`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:15:11
[INFO] [stdout]     |
[INFO] [stdout]  14 | #[cfg(feature = "visitor")]
[INFO] [stdout]     |       ------------------- the item is gated behind the `visitor` feature
[INFO] [stdout]  15 | pub trait Visitor<T> {
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `impex` (test "custom_strategy") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c72f2bca74d5b8d8602a0f93190ee6edf922d1478a924f828ff70bdb03cdd0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72f2bca74d5b8d8602a0f93190ee6edf922d1478a924f828ff70bdb03cdd0b3", kill_on_drop: false }`
[INFO] [stdout] c72f2bca74d5b8d8602a0f93190ee6edf922d1478a924f828ff70bdb03cdd0b3
