[INFO] fetching crate e310x 0.8.1...
[INFO] checking e310x-0.8.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate e310x 0.8.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate e310x 0.8.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate e310x 0.8.1
[INFO] finished tweaking crates.io crate e310x 0.8.1
[INFO] tweaked toml for crates.io crate e310x 0.8.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b569d21ce3b0b482d3cc3ff12e0ebdaf72f2e350780057f702fc245ddc7fcbb8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b569d21ce3b0b482d3cc3ff12e0ebdaf72f2e350780057f702fc245ddc7fcbb8"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling riscv v0.5.4
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]    Compiling e310x v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr] warning: lint `legacy_directory_ownership` has been removed: `converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information`
[INFO] [stderr]  --> src/lib.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![deny(legacy_directory_ownership)]
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stderr]   --> src/lib.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | #![deny(plugin_as_library)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `safe_extern_statics` has been removed: `converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information`
[INFO] [stderr]   --> src/lib.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 | #![deny(safe_extern_statics)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | #![deny(unions_with_drop_fields)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `legacy_directory_ownership` has been removed: `converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information`
[INFO] [stderr]  --> src/lib.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![deny(legacy_directory_ownership)]
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stderr]   --> src/lib.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | #![deny(plugin_as_library)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `safe_extern_statics` has been removed: `converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information`
[INFO] [stderr]   --> src/lib.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 | #![deny(safe_extern_statics)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | #![deny(unions_with_drop_fields)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.65s
[INFO] running `"docker" "inspect" "b569d21ce3b0b482d3cc3ff12e0ebdaf72f2e350780057f702fc245ddc7fcbb8"`
[INFO] running `"docker" "rm" "-f" "b569d21ce3b0b482d3cc3ff12e0ebdaf72f2e350780057f702fc245ddc7fcbb8"`
[INFO] [stdout] b569d21ce3b0b482d3cc3ff12e0ebdaf72f2e350780057f702fc245ddc7fcbb8