[INFO] fetching crate zerocopy 0.8.0-alpha.25...
[INFO] checking zerocopy-0.8.0-alpha.25 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate zerocopy 0.8.0-alpha.25 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate zerocopy 0.8.0-alpha.25 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerocopy 0.8.0-alpha.25
[INFO] finished tweaking crates.io crate zerocopy 0.8.0-alpha.25
[INFO] tweaked toml for crates.io crate zerocopy 0.8.0-alpha.25 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.11.0 (available: v0.13.0)
[INFO] [stderr]       Adding trybuild v1.0.89 (available: v1.0.99)
[INFO] [stderr]       Adding zerocopy-derive v0.8.0-alpha.25 (available: v0.8.0-alpha.26)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.0-alpha.25
[INFO] [stderr]   Downloaded elain v0.3.0
[INFO] [stderr]   Downloaded trybuild v1.0.89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83ce5f98385d35ec2cdad25cc3c1716c0b2c5980e0c28dd90746b17512e5fc92
[INFO] running `Command { std: "docker" "start" "-a" "83ce5f98385d35ec2cdad25cc3c1716c0b2c5980e0c28dd90746b17512e5fc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83ce5f98385d35ec2cdad25cc3c1716c0b2c5980e0c28dd90746b17512e5fc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ce5f98385d35ec2cdad25cc3c1716c0b2c5980e0c28dd90746b17512e5fc92", kill_on_drop: false }`
[INFO] [stdout] 83ce5f98385d35ec2cdad25cc3c1716c0b2c5980e0c28dd90746b17512e5fc92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95617a3d811d0c3c2b14e382bee182a58f9382261e1d60645ad256fc88cbcbe1
[INFO] running `Command { std: "docker" "start" "-a" "95617a3d811d0c3c2b14e382bee182a58f9382261e1d60645ad256fc88cbcbe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.0-alpha.25 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling trybuild v1.0.89
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking dissimilar v1.0.9
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking elain v0.3.0
[INFO] [stderr]     Checking basic-toml v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling zerocopy-derive v0.8.0-alpha.25
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: use of deprecated constant `_::_WARNING`: some tests may be skipped due to missing RUSTFLAGS="--cfg __ZEROCOPY_INTERNAL_USE_ONLY_NIGHTLY_FEATURES_IN_TESTS"
[INFO] [stdout]    --> src/lib.rs:389:5
[INFO] [stdout]     |
[INFO] [stdout] 389 |     _WARNING
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 |     #[warn(deprecated)]
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.18s
[INFO] running `Command { std: "docker" "inspect" "95617a3d811d0c3c2b14e382bee182a58f9382261e1d60645ad256fc88cbcbe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95617a3d811d0c3c2b14e382bee182a58f9382261e1d60645ad256fc88cbcbe1", kill_on_drop: false }`
[INFO] [stdout] 95617a3d811d0c3c2b14e382bee182a58f9382261e1d60645ad256fc88cbcbe1