[INFO] fetching crate derive_utils 0.11.0...
[INFO] checking derive_utils-0.11.0 against beta for pr-78714
[INFO] extracting crate derive_utils 0.11.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate derive_utils 0.11.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate derive_utils 0.11.0
[INFO] finished tweaking crates.io crate derive_utils 0.11.0
[INFO] tweaked toml for crates.io crate derive_utils 0.11.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6d86790740af528a3087c274623ec38ff7ff912c277ea3abd89de30cefdf55c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f6d86790740af528a3087c274623ec38ff7ff912c277ea3abd89de30cefdf55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6d86790740af528a3087c274623ec38ff7ff912c277ea3abd89de30cefdf55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d86790740af528a3087c274623ec38ff7ff912c277ea3abd89de30cefdf55c", kill_on_drop: false }`
[INFO] [stdout] f6d86790740af528a3087c274623ec38ff7ff912c277ea3abd89de30cefdf55c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4c166ae7ff0783ff1cd870d27f3fe0ef80975a1e5a34ac7ac5f453eb6abcd4c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d4c166ae7ff0783ff1cd870d27f3fe0ef80975a1e5a34ac7ac5f453eb6abcd4c", kill_on_drop: false }`
[INFO] [stderr]     Checking derive_utils v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]  --> tests/compiletest.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[rustversion::attr(not(nightly), ignore)]
[INFO] [stdout]   |   ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `trybuild`
[INFO] [stdout]   --> tests/compiletest.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let t = trybuild::TestCases::new();
[INFO] [stdout]    |             ^^^^^^^^ use of undeclared crate or module `trybuild`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `derive_utils`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d4c166ae7ff0783ff1cd870d27f3fe0ef80975a1e5a34ac7ac5f453eb6abcd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c166ae7ff0783ff1cd870d27f3fe0ef80975a1e5a34ac7ac5f453eb6abcd4c", kill_on_drop: false }`
[INFO] [stdout] d4c166ae7ff0783ff1cd870d27f3fe0ef80975a1e5a34ac7ac5f453eb6abcd4c