[INFO] fetching crate neotron-os 0.1.0...
[INFO] testing neotron-os-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate neotron-os 0.1.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate neotron-os 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-22/source/.cargo/config
[INFO] started tweaking crates.io crate neotron-os 0.1.0
[INFO] finished tweaking crates.io crate neotron-os 0.1.0
[INFO] tweaked toml for crates.io crate neotron-os 0.1.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate neotron-os 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 014b02844b90f19758859f6154e62a230008ed3b916c3596618e3915debc556f
[INFO] running `Command { std: "docker" "start" "-a" "014b02844b90f19758859f6154e62a230008ed3b916c3596618e3915debc556f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "014b02844b90f19758859f6154e62a230008ed3b916c3596618e3915debc556f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014b02844b90f19758859f6154e62a230008ed3b916c3596618e3915debc556f", kill_on_drop: false }`
[INFO] [stdout] 014b02844b90f19758859f6154e62a230008ed3b916c3596618e3915debc556f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71920c6b9ec7e30c6a83cfc22635319638ca612d774a9f7da558d8fc197ee313
[INFO] running `Command { std: "docker" "start" "-a" "71920c6b9ec7e30c6a83cfc22635319638ca612d774a9f7da558d8fc197ee313", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling neotron-os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling postcard-cobs v0.1.5-pre
[INFO] [stderr]    Compiling r0 v1.0.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling neotron-common-bios v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling postcard v0.5.2
[INFO] [stdout] warning: associated function is never used: `save`
[INFO] [stdout]    --> src/lib.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn save(&self) -> Result<(), &'static str> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library
[INFO] [stdout]   = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neotron-os` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library
[INFO] [stdout]   = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library
[INFO] [stdout]   = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config`
[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 `neotron-os` due to 2 previous errors
[INFO] [stderr] error: could not compile `neotron-os` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "71920c6b9ec7e30c6a83cfc22635319638ca612d774a9f7da558d8fc197ee313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71920c6b9ec7e30c6a83cfc22635319638ca612d774a9f7da558d8fc197ee313", kill_on_drop: false }`
[INFO] [stdout] 71920c6b9ec7e30c6a83cfc22635319638ca612d774a9f7da558d8fc197ee313