[INFO] fetching crate fomu-rt 0.0.4...
[INFO] testing fomu-rt-0.0.4 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate fomu-rt 0.0.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fomu-rt 0.0.4 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fomu-rt 0.0.4
[INFO] finished tweaking crates.io crate fomu-rt 0.0.4
[INFO] tweaked toml for crates.io crate fomu-rt 0.0.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate fomu-rt 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vexriscv v0.0.1
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f43f3049ad80d68e8568e66e3f17f13ebb817992283a916bb19d6b73c478ce87
[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" "f43f3049ad80d68e8568e66e3f17f13ebb817992283a916bb19d6b73c478ce87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f43f3049ad80d68e8568e66e3f17f13ebb817992283a916bb19d6b73c478ce87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43f3049ad80d68e8568e66e3f17f13ebb817992283a916bb19d6b73c478ce87", kill_on_drop: false }`
[INFO] [stdout] f43f3049ad80d68e8568e66e3f17f13ebb817992283a916bb19d6b73c478ce87
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e9a146d5c97a8000c0ad28c5bd262a7dfd29721112b31e196228e4eb70bc2c6b
[INFO] running `Command { std: "docker" "start" "-a" "e9a146d5c97a8000c0ad28c5bd262a7dfd29721112b31e196228e4eb70bc2c6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling vexriscv v0.0.1
[INFO] [stderr]    Compiling fomu-rt v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling riscv-rt-macros v0.1.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.08s
[INFO] running `Command { std: "docker" "inspect" "e9a146d5c97a8000c0ad28c5bd262a7dfd29721112b31e196228e4eb70bc2c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a146d5c97a8000c0ad28c5bd262a7dfd29721112b31e196228e4eb70bc2c6b", kill_on_drop: false }`
[INFO] [stdout] e9a146d5c97a8000c0ad28c5bd262a7dfd29721112b31e196228e4eb70bc2c6b
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e394f97705f1ba61f76d3188aafa098fb7c676ab72adbd8365c479bd3d443ad
[INFO] running `Command { std: "docker" "start" "-a" "7e394f97705f1ba61f76d3188aafa098fb7c676ab72adbd8365c479bd3d443ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling fomu-rt v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fomu-rt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: entry symbol `main` declared multiple times
[INFO] [stdout]   |
[INFO] [stdout]   = help: did you use `#[no_mangle]` on `fn main`? Use `#[start]` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7e394f97705f1ba61f76d3188aafa098fb7c676ab72adbd8365c479bd3d443ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e394f97705f1ba61f76d3188aafa098fb7c676ab72adbd8365c479bd3d443ad", kill_on_drop: false }`
[INFO] [stdout] 7e394f97705f1ba61f76d3188aafa098fb7c676ab72adbd8365c479bd3d443ad