[INFO] fetching crate e310x 0.9.0...
[INFO] checking e310x-0.9.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate e310x 0.9.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate e310x 0.9.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate e310x 0.9.0
[INFO] finished tweaking crates.io crate e310x 0.9.0
[INFO] tweaked toml for crates.io crate e310x 0.9.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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" "+39e1293fce4b650061e85dda88aa428f726a8444" "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 riscv v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c20d7ca5603e0602b1b56a95d5251a2af3b7592b222d22f538fe225a50665b70
[INFO] running `Command { std: "docker" "start" "-a" "c20d7ca5603e0602b1b56a95d5251a2af3b7592b222d22f538fe225a50665b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c20d7ca5603e0602b1b56a95d5251a2af3b7592b222d22f538fe225a50665b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20d7ca5603e0602b1b56a95d5251a2af3b7592b222d22f538fe225a50665b70", kill_on_drop: false }`
[INFO] [stdout] c20d7ca5603e0602b1b56a95d5251a2af3b7592b222d22f538fe225a50665b70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6279c0c5bc42a7cff611fdfc0b7c42de8a2968392c9e618a71cc3905e6bd3b5
[INFO] running `Command { std: "docker" "start" "-a" "c6279c0c5bc42a7cff611fdfc0b7c42de8a2968392c9e618a71cc3905e6bd3b5", kill_on_drop: false }`
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling e310x v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling riscv v0.6.0
[INFO] [stdout] 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] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![deny(legacy_directory_ownership)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![deny(plugin_as_library)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]   --> src/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![deny(safe_extern_statics)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![deny(unions_with_drop_fields)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![deny(legacy_directory_ownership)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![deny(plugin_as_library)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]   --> src/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![deny(safe_extern_statics)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![deny(unions_with_drop_fields)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.52s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6279c0c5bc42a7cff611fdfc0b7c42de8a2968392c9e618a71cc3905e6bd3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6279c0c5bc42a7cff611fdfc0b7c42de8a2968392c9e618a71cc3905e6bd3b5", kill_on_drop: false }`
[INFO] [stdout] c6279c0c5bc42a7cff611fdfc0b7c42de8a2968392c9e618a71cc3905e6bd3b5