[INFO] cloning repository https://github.com/dgehriger/ex_embedded_shared
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dgehriger/ex_embedded_shared" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgehriger%2Fex_embedded_shared", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgehriger%2Fex_embedded_shared'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03363ca6614f5475e75ce7cbf7dad780c6b43c39
[INFO] checking dgehriger/ex_embedded_shared against try#0c70cfbec949d241375e31c5a42066be70c720fc for pr-149681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgehriger%2Fex_embedded_shared" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/dgehriger/ex_embedded_shared
[INFO] finished tweaking git repo https://github.com/dgehriger/ex_embedded_shared
[INFO] tweaked toml for git repo https://github.com/dgehriger/ex_embedded_shared written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dgehriger/ex_embedded_shared on toolchain 0c70cfbec949d241375e31c5a42066be70c720fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dgehriger/ex_embedded_shared already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking dgehriger/ex_embedded_shared against try#0c70cfbec949d241375e31c5a42066be70c720fc for pr-149681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgehriger%2Fex_embedded_shared" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/dgehriger/ex_embedded_shared
[INFO] finished tweaking git repo https://github.com/dgehriger/ex_embedded_shared
[INFO] tweaked toml for git repo https://github.com/dgehriger/ex_embedded_shared written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dgehriger/ex_embedded_shared on toolchain 0c70cfbec949d241375e31c5a42066be70c720fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dgehriger/ex_embedded_shared already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded usbd-serial v0.1.1
[INFO] [stderr]   Downloaded usb-device v0.2.9
[INFO] [stderr]   Downloaded rtic-core v1.0.0
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded panic-semihosting v0.5.6
[INFO] [stderr]   Downloaded rtic-monotonic v1.0.0
[INFO] [stderr]   Downloaded cortex-m-rtic-macros v1.1.6
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.7
[INFO] [stderr]   Downloaded arduino_mkrzero v0.12.2
[INFO] [stderr]   Downloaded rtic-syntax v1.0.3
[INFO] [stderr]   Downloaded cortex-m-rtic v1.1.4
[INFO] [stderr]   Downloaded atsamd21g v0.12.0
[INFO] [stderr]   Downloaded atsamd-hal v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db72b3f2ce29706fc17eb9416fc7b192305cdfac4a802404fcc4ed802e064de8
[INFO] running `Command { std: "docker" "start" "-a" "db72b3f2ce29706fc17eb9416fc7b192305cdfac4a802404fcc4ed802e064de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db72b3f2ce29706fc17eb9416fc7b192305cdfac4a802404fcc4ed802e064de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db72b3f2ce29706fc17eb9416fc7b192305cdfac4a802404fcc4ed802e064de8", kill_on_drop: false }`
[INFO] [stdout] db72b3f2ce29706fc17eb9416fc7b192305cdfac4a802404fcc4ed802e064de8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26674c12dae299c54361f05fb517599746597c81a0413e5ab820b1516b171631
[INFO] running `Command { std: "docker" "start" "-a" "26674c12dae299c54361f05fb517599746597c81a0413e5ab820b1516b171631", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling atsamd21g v0.12.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking usb-device v0.2.9
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling cortex-m-rtic v1.1.4
[INFO] [stderr]    Compiling arduino_mkrzero v0.12.2
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling embassy-sync v0.6.2
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking rtic-monotonic v1.0.0
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking rtic-core v1.0.0
[INFO] [stderr]     Checking panic-semihosting v0.5.6
[INFO] [stderr]     Checking usbd-serial v0.1.1
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rtic-syntax v1.0.3
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling cortex-m-rtic-macros v1.1.6
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]     Checking atsamd-hal v0.16.0
[INFO] [stderr]     Checking ex_embedded_shared v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: 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 `ex_embedded_shared` depends on)
[INFO] [stdout]   = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-b09f8ab056e64272.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/0c70cfbec949d241375e31c5a42066be70c720fc/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-88847899b0374666.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ex_embedded_shared` (bin "ex_embedded_shared" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ex_embedded_shared` (bin "ex_embedded_shared") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "26674c12dae299c54361f05fb517599746597c81a0413e5ab820b1516b171631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26674c12dae299c54361f05fb517599746597c81a0413e5ab820b1516b171631", kill_on_drop: false }`
[INFO] [stdout] 26674c12dae299c54361f05fb517599746597c81a0413e5ab820b1516b171631