[INFO] fetching crate riscv-rt 0.15.0...
[INFO] checking riscv-rt-0.15.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate riscv-rt 0.15.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate riscv-rt 0.15.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate riscv-rt 0.15.0
[INFO] tweaked toml for crates.io crate riscv-rt 0.15.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate riscv-rt 0.15.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate riscv-rt 0.15.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aedaccf93867f52b9eafc27d7f4793382c0ae690165b3219eca98390c3b290de
[INFO] running `Command { std: "docker" "start" "-a" "aedaccf93867f52b9eafc27d7f4793382c0ae690165b3219eca98390c3b290de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aedaccf93867f52b9eafc27d7f4793382c0ae690165b3219eca98390c3b290de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedaccf93867f52b9eafc27d7f4793382c0ae690165b3219eca98390c3b290de", kill_on_drop: false }`
[INFO] [stdout] aedaccf93867f52b9eafc27d7f4793382c0ae690165b3219eca98390c3b290de
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d9021446ca65214eea5ea6c0395bdd1f9c1298dcaa92f7c0402e7a0002a79f0
[INFO] running `Command { std: "docker" "start" "-a" "4d9021446ca65214eea5ea6c0395bdd1f9c1298dcaa92f7c0402e7a0002a79f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling riscv-target-parser v0.1.2
[INFO] [stderr]    Compiling riscv v0.14.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking riscv-pac v0.2.0
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking panic-halt v1.0.0
[INFO] [stderr]    Compiling riscv-rt v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling riscv-macros v0.2.0
[INFO] [stderr]    Compiling riscv-rt-macros v0.5.0
[INFO] [stdout] warning: enum `Interrupt` is never used
[INFO] [stdout]   --> src/interrupts.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Interrupt {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Interrupt` is never used
[INFO] [stdout]   --> src/interrupts.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Interrupt {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `riscv-rt` (example "empty") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `riscv-rt` (example "multi_core") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4d9021446ca65214eea5ea6c0395bdd1f9c1298dcaa92f7c0402e7a0002a79f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d9021446ca65214eea5ea6c0395bdd1f9c1298dcaa92f7c0402e7a0002a79f0", kill_on_drop: false }`
[INFO] [stdout] 4d9021446ca65214eea5ea6c0395bdd1f9c1298dcaa92f7c0402e7a0002a79f0