[INFO] fetching crate onebitsy 0.2.0...
[INFO] checking onebitsy-0.2.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate onebitsy 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate onebitsy 0.2.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate onebitsy 0.2.0
[INFO] finished tweaking crates.io crate onebitsy 0.2.0
[INFO] tweaked toml for crates.io crate onebitsy 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate onebitsy 0.2.0 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aligned v0.3.2
[INFO] [stderr]   Downloaded vcell v0.1.2
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.8
[INFO] [stderr]   Downloaded stable_deref_trait v1.1.1
[INFO] [stderr]   Downloaded cortex-m v0.6.2
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded syn v1.0.27
[INFO] [stderr]   Downloaded as-slice v0.1.3
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.12
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.8.1
[INFO] [stderr]   Downloaded stm32f4 v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f4b361eb78f47a099f0e3c2846852096c0c4fa04dfd08e5c53a0b7b78805640
[INFO] running `Command { std: "docker" "start" "-a" "6f4b361eb78f47a099f0e3c2846852096c0c4fa04dfd08e5c53a0b7b78805640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f4b361eb78f47a099f0e3c2846852096c0c4fa04dfd08e5c53a0b7b78805640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4b361eb78f47a099f0e3c2846852096c0c4fa04dfd08e5c53a0b7b78805640", kill_on_drop: false }`
[INFO] [stdout] 6f4b361eb78f47a099f0e3c2846852096c0c4fa04dfd08e5c53a0b7b78805640
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa0781e0bbda2b9e9325f0449373d4aa4d46018faf6758aaad64a8e2a01ddb71
[INFO] running `Command { std: "docker" "start" "-a" "fa0781e0bbda2b9e9325f0449373d4aa4d46018faf6758aaad64a8e2a01ddb71", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling stm32f4 v0.11.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32f4xx-hal v0.8.1
[INFO] [stderr]     Checking onebitsy v0.2.0 (/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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `onebitsy` (example "button") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fa0781e0bbda2b9e9325f0449373d4aa4d46018faf6758aaad64a8e2a01ddb71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0781e0bbda2b9e9325f0449373d4aa4d46018faf6758aaad64a8e2a01ddb71", kill_on_drop: false }`
[INFO] [stdout] fa0781e0bbda2b9e9325f0449373d4aa4d46018faf6758aaad64a8e2a01ddb71
[INFO] checking onebitsy-0.2.0 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] extracting crate onebitsy 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate onebitsy 0.2.0 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate onebitsy 0.2.0
[INFO] finished tweaking crates.io crate onebitsy 0.2.0
[INFO] tweaked toml for crates.io crate onebitsy 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate onebitsy 0.2.0 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b8045c45b424c2287f0cde2729f6ce1659191b06f18574afa0a6b24a137f6ef
[INFO] running `Command { std: "docker" "start" "-a" "9b8045c45b424c2287f0cde2729f6ce1659191b06f18574afa0a6b24a137f6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b8045c45b424c2287f0cde2729f6ce1659191b06f18574afa0a6b24a137f6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b8045c45b424c2287f0cde2729f6ce1659191b06f18574afa0a6b24a137f6ef", kill_on_drop: false }`
[INFO] [stdout] 9b8045c45b424c2287f0cde2729f6ce1659191b06f18574afa0a6b24a137f6ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76f4a0785c618b58cb7743efc1787be36a092d8caaa012d1827dae5f3001c66c
[INFO] running `Command { std: "docker" "start" "-a" "76f4a0785c618b58cb7743efc1787be36a092d8caaa012d1827dae5f3001c66c", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "76f4a0785c618b58cb7743efc1787be36a092d8caaa012d1827dae5f3001c66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f4a0785c618b58cb7743efc1787be36a092d8caaa012d1827dae5f3001c66c", kill_on_drop: false }`
[INFO] [stdout] 76f4a0785c618b58cb7743efc1787be36a092d8caaa012d1827dae5f3001c66c