[INFO] cloning repository https://github.com/KodrAus/hifive1-revb-exec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KodrAus/hifive1-revb-exec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKodrAus%2Fhifive1-revb-exec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKodrAus%2Fhifive1-revb-exec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0f0ecac656d5107b575a69e3bfdd39d8d2dd4a3
[INFO] checking KodrAus/hifive1-revb-exec against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKodrAus%2Fhifive1-revb-exec" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KodrAus/hifive1-revb-exec on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/KodrAus/hifive1-revb-exec
[INFO] finished tweaking git repo https://github.com/KodrAus/hifive1-revb-exec
[INFO] tweaked toml for git repo https://github.com/KodrAus/hifive1-revb-exec written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/KodrAus/hifive1-revb-exec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef552be75d2f042c2bbf918dc2ecfbbf1edcc0b4098e1251bdc3b9240f2e7bdb
[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" "ef552be75d2f042c2bbf918dc2ecfbbf1edcc0b4098e1251bdc3b9240f2e7bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef552be75d2f042c2bbf918dc2ecfbbf1edcc0b4098e1251bdc3b9240f2e7bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef552be75d2f042c2bbf918dc2ecfbbf1edcc0b4098e1251bdc3b9240f2e7bdb", kill_on_drop: false }`
[INFO] [stdout] ef552be75d2f042c2bbf918dc2ecfbbf1edcc0b4098e1251bdc3b9240f2e7bdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--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] aa280301512c3b328b7868ff9f29638be6228946b5aa63d1bc21decd36020d4f
[INFO] running `Command { std: "docker" "start" "-a" "aa280301512c3b328b7868ff9f29638be6228946b5aa63d1bc21decd36020d4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling riscv v0.5.6
[INFO] [stderr]    Compiling riscv-rt v0.6.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling e310x v0.6.0
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling hifive1 v0.8.1
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling riscv-rt-macros v0.1.6
[INFO] [stderr]     Checking e310x-hal v0.8.3
[INFO] [stderr]     Checking hifive1-revb-exec v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hifive1-revb-exec`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "aa280301512c3b328b7868ff9f29638be6228946b5aa63d1bc21decd36020d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa280301512c3b328b7868ff9f29638be6228946b5aa63d1bc21decd36020d4f", kill_on_drop: false }`
[INFO] [stdout] aa280301512c3b328b7868ff9f29638be6228946b5aa63d1bc21decd36020d4f