[INFO] cloning repository https://github.com/ArthurFleischman/rust-embedded
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArthurFleischman/rust-embedded" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArthurFleischman%2Frust-embedded", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArthurFleischman%2Frust-embedded'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1bdfaa92c9d390d03906b4c0fef0aa65884ec68
[INFO] checking ArthurFleischman/rust-embedded against master#90b65889799733f21ebdf59d96411aa531c5900a for pr-148477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArthurFleischman%2Frust-embedded" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/ArthurFleischman/rust-embedded
[INFO] finished tweaking git repo https://github.com/ArthurFleischman/rust-embedded
[INFO] tweaked toml for git repo https://github.com/ArthurFleischman/rust-embedded written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ArthurFleischman/rust-embedded on toolchain 90b65889799733f21ebdf59d96411aa531c5900a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90b65889799733f21ebdf59d96411aa531c5900a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ArthurFleischman/rust-embedded 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" "+90b65889799733f21ebdf59d96411aa531c5900a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-dma v0.2.0
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.5
[INFO] [stderr]   Downloaded panic-halt v1.0.0
[INFO] [stderr]   Downloaded fugit v0.3.7
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.5
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.22.1
[INFO] [stderr]   Downloaded stm32f4-staging v0.16.1
[INFO] [stderr]   Downloaded fugit-timer v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+90b65889799733f21ebdf59d96411aa531c5900a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9e2b3378827bede871b74b34f5a46d643b7af615b456d21fb094ff584939670
[INFO] running `Command { std: "docker" "start" "-a" "e9e2b3378827bede871b74b34f5a46d643b7af615b456d21fb094ff584939670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9e2b3378827bede871b74b34f5a46d643b7af615b456d21fb094ff584939670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e2b3378827bede871b74b34f5a46d643b7af615b456d21fb094ff584939670", kill_on_drop: false }`
[INFO] [stdout] e9e2b3378827bede871b74b34f5a46d643b7af615b456d21fb094ff584939670
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+90b65889799733f21ebdf59d96411aa531c5900a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9677b4e614b8b3493d1851a6e97b92861dab59863c055005f1cddf88426ba5e2
[INFO] running `Command { std: "docker" "start" "-a" "9677b4e614b8b3493d1851a6e97b92861dab59863c055005f1cddf88426ba5e2", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling stm32f4-staging v0.16.1
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]    Compiling stm32f4xx-hal v0.22.1
[INFO] [stderr]     Checking time-core v0.1.4
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking panic-halt v1.0.0
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]    Compiling enumflags2_derive v0.7.12
[INFO] [stderr]     Checking enumflags2 v0.7.12
[INFO] [stderr]     Checking embedded-rust v0.1.0 (/opt/rustwide/workdir)
[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 `embedded_rust` depends on)
[INFO] [stdout]   = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-22485f6879fd0020.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/90b65889799733f21ebdf59d96411aa531c5900a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d73d50f7d7b085f5.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 `embedded-rust` (bin "embedded-rust" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stderr] error: could not compile `embedded-rust` (bin "embedded-rust") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9677b4e614b8b3493d1851a6e97b92861dab59863c055005f1cddf88426ba5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9677b4e614b8b3493d1851a6e97b92861dab59863c055005f1cddf88426ba5e2", kill_on_drop: false }`
[INFO] [stdout] 9677b4e614b8b3493d1851a6e97b92861dab59863c055005f1cddf88426ba5e2
