[INFO] cloning repository https://github.com/ercp/ercp_basic_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ercp/ercp_basic_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fercp%2Fercp_basic_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fercp%2Fercp_basic_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ef56d509c381eee502475f52a3dd4b63fa5759f
[INFO] testing ercp/ercp_basic_example against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fercp%2Fercp_basic_example" "/workspace/builds/worker-74/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ercp/ercp_basic_example 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-74/source/.cargo/config
[INFO] started tweaking git repo https://github.com/ercp/ercp_basic_example
[INFO] finished tweaking git repo https://github.com/ercp/ercp_basic_example
[INFO] tweaked toml for git repo https://github.com/ercp/ercp_basic_example written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate git repo https://github.com/ercp/ercp_basic_example 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 76582c6d7ee33dd94f9f22416b95f4c5c74c5af74ee656e158ee85c0fbda253f
[INFO] running `Command { std: "docker" "start" "-a" "76582c6d7ee33dd94f9f22416b95f4c5c74c5af74ee656e158ee85c0fbda253f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76582c6d7ee33dd94f9f22416b95f4c5c74c5af74ee656e158ee85c0fbda253f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76582c6d7ee33dd94f9f22416b95f4c5c74c5af74ee656e158ee85c0fbda253f", kill_on_drop: false }`
[INFO] [stdout] 76582c6d7ee33dd94f9f22416b95f4c5c74c5af74ee656e158ee85c0fbda253f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c5c02282c84fb078edb73a2f2eb25417819b29c7fdfacac9863dd068719c59c
[INFO] running `Command { std: "docker" "start" "-a" "4c5c02282c84fb078edb73a2f2eb25417819b29c7fdfacac9863dd068719c59c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling cortex-m v0.7.1
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling stm32l4 v0.12.1
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling rtic-core v0.3.1
[INFO] [stderr]    Compiling ercp_basic_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling cortex-m-rtic v0.5.6
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling rtt-target v0.3.1
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling panic-rtt-target v0.1.2
[INFO] [stderr]    Compiling aligned v0.3.4
[INFO] [stderr]    Compiling rtic-syntax v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling cortex-m-rtic-macros v0.5.2
[INFO] [stderr]    Compiling stm32l4xx-hal v0.6.0
[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 `ercp_basic_example` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4c5c02282c84fb078edb73a2f2eb25417819b29c7fdfacac9863dd068719c59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5c02282c84fb078edb73a2f2eb25417819b29c7fdfacac9863dd068719c59c", kill_on_drop: false }`
[INFO] [stdout] 4c5c02282c84fb078edb73a2f2eb25417819b29c7fdfacac9863dd068719c59c