[INFO] fetching crate metro_m0 0.10.1...
[INFO] checking metro_m0-0.10.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate metro_m0 0.10.1 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate metro_m0 0.10.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-54/source/.cargo/config
[INFO] started tweaking crates.io crate metro_m0 0.10.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate metro_m0 0.10.1
[INFO] tweaked toml for crates.io crate metro_m0 0.10.1 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate crates.io crate metro_m0 0.10.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] add27d2a143d3ed6b86de915711b0639117fbafc7ae09d253d04d0c7639f8a95
[INFO] running `Command { std: "docker" "start" "-a" "add27d2a143d3ed6b86de915711b0639117fbafc7ae09d253d04d0c7639f8a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "add27d2a143d3ed6b86de915711b0639117fbafc7ae09d253d04d0c7639f8a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add27d2a143d3ed6b86de915711b0639117fbafc7ae09d253d04d0c7639f8a95", kill_on_drop: false }`
[INFO] [stdout] add27d2a143d3ed6b86de915711b0639117fbafc7ae09d253d04d0c7639f8a95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 607355273e9dda3a82f0fb319fd1bb936f6f62b3025ac824a71ddc3f44aabd3b
[INFO] running `Command { std: "docker" "start" "-a" "607355273e9dda3a82f0fb319fd1bb936f6f62b3025ac824a71ddc3f44aabd3b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling atsamd21g v0.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling cortex-m v0.5.11
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling heapless v0.7.7
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling metro_m0 v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling seq-macro v0.2.2
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rtic-core v0.3.1
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking jlink_rtt v0.1.0
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cortex-m-rtic v0.6.0-rc.2
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking sx1509 v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking panic-semihosting v0.5.6
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.12.0
[INFO] [stderr]     Checking aligned v0.3.5
[INFO] [stderr]     Checking panic_rtt v0.2.0
[INFO] [stderr]     Checking rtic-monotonic v0.1.0-rc.1
[INFO] [stderr]    Compiling rtic-syntax v0.5.0-rc.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling cortex-m-rtic-macros v0.6.0-rc.2
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]     Checking atsamd-hal v0.13.0
[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] [stderr] error: could not compile `metro_m0` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "607355273e9dda3a82f0fb319fd1bb936f6f62b3025ac824a71ddc3f44aabd3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607355273e9dda3a82f0fb319fd1bb936f6f62b3025ac824a71ddc3f44aabd3b", kill_on_drop: false }`
[INFO] [stdout] 607355273e9dda3a82f0fb319fd1bb936f6f62b3025ac824a71ddc3f44aabd3b
