[INFO] updating cached repository https://github.com/ferrous-systems/nrf-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c432fd7ac62a0a4ee0cda9e4ab7453a3b579cede
[INFO] checking ferrous-systems/nrf-test against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferrous-systems%2Fnrf-test" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ferrous-systems/nrf-test on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking git repo https://github.com/ferrous-systems/nrf-test
[INFO] finished tweaking git repo https://github.com/ferrous-systems/nrf-test
[INFO] tweaked toml for git repo https://github.com/ferrous-systems/nrf-test written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ferrous-systems/nrf-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6cbdc126107ce2539ca3e1cdba4adc1643501cc468cf2e02ec191dc8d8a2637
[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" "e6cbdc126107ce2539ca3e1cdba4adc1643501cc468cf2e02ec191dc8d8a2637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6cbdc126107ce2539ca3e1cdba4adc1643501cc468cf2e02ec191dc8d8a2637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6cbdc126107ce2539ca3e1cdba4adc1643501cc468cf2e02ec191dc8d8a2637", kill_on_drop: false }`
[INFO] [stdout] e6cbdc126107ce2539ca3e1cdba4adc1643501cc468cf2e02ec191dc8d8a2637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b5ccc4b15aa4249b760717260d0658b48ab76f821b087af0c4dd52b55b96f71
[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" "8b5ccc4b15aa4249b760717260d0658b48ab76f821b087af0c4dd52b55b96f71", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling cortex-m-rt v0.6.7
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling nrf52832-pac v0.6.0
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling nrf52832-hal v0.6.1 (https://github.com/nrf-rs/nrf52-hal.git?rev=fix-uarte#ab201a10)
[INFO] [stderr]     Checking encode_unicode v0.3.5
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.2
[INFO] [stderr]     Checking embedded-hal v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]     Checking heapless v0.4.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling hash32-derive v0.1.0
[INFO] [stderr]     Checking ieee802154 v0.1.0 (https://github.com/braun-robotics/ieee-802.15.4.git?rev=6d2059ff1bfd9d243df63c73272372d20fa2de24#6d2059ff)
[INFO] [stderr]     Checking ssmarshal v1.0.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking nrf52-hal-common v0.6.1 (https://github.com/nrf-rs/nrf52-hal.git?rev=fix-uarte#ab201a10)
[INFO] [stderr]     Checking dw1000 v0.1.0 (https://github.com/ferrous-systems/rust-dw1000.git?rev=january#6eb43c30)
[INFO] [stderr]     Checking dwm1001 v0.1.0 (https://github.com/ferrous-systems/rust-dwm1001.git?rev=january#96d5f011)
[INFO] [stderr]     Checking embedded-training v0.1.0 (/opt/rustwide/workdir)
[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 `embedded_training` depends on)
[INFO] [stdout]   = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-9901037948d50395.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/0ab79c4b48ad19260fa46623f452c1b403a360e8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e2448d646eabb792.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embedded-training`.
[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: 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: build failed
[INFO] running `Command { std: "docker" "inspect" "8b5ccc4b15aa4249b760717260d0658b48ab76f821b087af0c4dd52b55b96f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5ccc4b15aa4249b760717260d0658b48ab76f821b087af0c4dd52b55b96f71", kill_on_drop: false }`
[INFO] [stdout] 8b5ccc4b15aa4249b760717260d0658b48ab76f821b087af0c4dd52b55b96f71