[INFO] fetching crate auditable-serde 0.6.0...
[INFO] checking auditable-serde-0.6.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate auditable-serde 0.6.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate auditable-serde 0.6.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate auditable-serde 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate auditable-serde 0.6.0
[INFO] tweaked toml for crates.io crate auditable-serde 0.6.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate auditable-serde 0.6.0 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cde9f4b07811d8324ab12c5e77310f7568e55436787d886181ba050fa848456b
[INFO] running `Command { std: "docker" "start" "-a" "cde9f4b07811d8324ab12c5e77310f7568e55436787d886181ba050fa848456b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cde9f4b07811d8324ab12c5e77310f7568e55436787d886181ba050fa848456b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde9f4b07811d8324ab12c5e77310f7568e55436787d886181ba050fa848456b", kill_on_drop: false }`
[INFO] [stdout] cde9f4b07811d8324ab12c5e77310f7568e55436787d886181ba050fa848456b
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 082d220553ccd8154e391fb0e48ba2a6d21be7b036f5b2bfdf780d6c7ba79535
[INFO] running `Command { std: "docker" "start" "-a" "082d220553ccd8154e391fb0e48ba2a6d21be7b036f5b2bfdf780d6c7ba79535", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]     Checking topological-sort v0.2.2
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking auditable-serde v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `cargo_metadata`
[INFO] [stdout]  --> examples/from-metadata.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cargo_metadata::{Metadata, MetadataCommand};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ use of undeclared crate or module `cargo_metadata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cargo_metadata`
[INFO] [stdout]  --> examples/from-metadata.rs:9:39
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn get_metadata() -> Result<Metadata, cargo_metadata::Error> {
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^ use of undeclared crate or module `cargo_metadata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `auditable-serde` (example "from-metadata") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "082d220553ccd8154e391fb0e48ba2a6d21be7b036f5b2bfdf780d6c7ba79535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082d220553ccd8154e391fb0e48ba2a6d21be7b036f5b2bfdf780d6c7ba79535", kill_on_drop: false }`
[INFO] [stdout] 082d220553ccd8154e391fb0e48ba2a6d21be7b036f5b2bfdf780d6c7ba79535
