[INFO] crate arduino_mkrvidor4000 0.1.0 is already in cache
[INFO] testing arduino_mkrvidor4000-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate arduino_mkrvidor4000 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate arduino_mkrvidor4000 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arduino_mkrvidor4000 0.1.0
[INFO] finished tweaking crates.io crate arduino_mkrvidor4000 0.1.0
[INFO] tweaked toml for crates.io crate arduino_mkrvidor4000 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate arduino_mkrvidor4000 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04ef534d42eeef4671979df2bf44d71d0860377eeb8177b97296c830f30580be
[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" "04ef534d42eeef4671979df2bf44d71d0860377eeb8177b97296c830f30580be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04ef534d42eeef4671979df2bf44d71d0860377eeb8177b97296c830f30580be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ef534d42eeef4671979df2bf44d71d0860377eeb8177b97296c830f30580be", kill_on_drop: false }`
[INFO] [stdout] 04ef534d42eeef4671979df2bf44d71d0860377eeb8177b97296c830f30580be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] a84f5f72697f30db1b468865c41fd21cfc5e8824454cf98883ca7bb43dd40f9d
[INFO] running `Command { std: "docker" "start" "-a" "a84f5f72697f30db1b468865c41fd21cfc5e8824454cf98883ca7bb43dd40f9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling vcell v0.1.2
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling atsamd21g18a v0.6.0
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling arduino_mkrvidor4000 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling as-slice v0.1.3
[INFO] [stderr]    Compiling aligned v0.3.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling paste-impl v0.1.7
[INFO] [stderr]    Compiling paste v0.1.7
[INFO] [stderr]    Compiling atsamd-hal v0.8.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.21s
[INFO] running `Command { std: "docker" "inspect" "a84f5f72697f30db1b468865c41fd21cfc5e8824454cf98883ca7bb43dd40f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84f5f72697f30db1b468865c41fd21cfc5e8824454cf98883ca7bb43dd40f9d", kill_on_drop: false }`
[INFO] [stdout] a84f5f72697f30db1b468865c41fd21cfc5e8824454cf98883ca7bb43dd40f9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c9f967a6c6b8ea80ccbc18f948489b016f5756ecf176fd2db9632e589826a92
[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" "6c9f967a6c6b8ea80ccbc18f948489b016f5756ecf176fd2db9632e589826a92", kill_on_drop: false }`
[INFO] [stderr]    Compiling arduino_mkrvidor4000 v0.1.0 (/opt/rustwide/workdir)
[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: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arduino_mkrvidor4000`.
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `panic_halt` (which `arduino_mkrvidor4000` depends on)
[INFO] [stdout]   = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-da9b187e191efdac.rlib
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5989bcf78182f65e.so, /opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5989bcf78182f65e.rlib
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "6c9f967a6c6b8ea80ccbc18f948489b016f5756ecf176fd2db9632e589826a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9f967a6c6b8ea80ccbc18f948489b016f5756ecf176fd2db9632e589826a92", kill_on_drop: false }`
[INFO] [stdout] 6c9f967a6c6b8ea80ccbc18f948489b016f5756ecf176fd2db9632e589826a92