[INFO] fetching crate stm32f7 0.16.0...
[INFO] testing stm32f7-0.16.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate stm32f7 0.16.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate stm32f7 0.16.0
[INFO] finished tweaking crates.io crate stm32f7 0.16.0
[INFO] tweaked toml for crates.io crate stm32f7 0.16.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stm32f7 0.16.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stm32f7 0.16.0 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cba6ad01704bdbac21d3eeaedef9c26e18c6695c60d9260ed1bb8d1d3d59f00d
[INFO] running `Command { std: "docker" "start" "-a" "cba6ad01704bdbac21d3eeaedef9c26e18c6695c60d9260ed1bb8d1d3d59f00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cba6ad01704bdbac21d3eeaedef9c26e18c6695c60d9260ed1bb8d1d3d59f00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba6ad01704bdbac21d3eeaedef9c26e18c6695c60d9260ed1bb8d1d3d59f00d", kill_on_drop: false }`
[INFO] [stdout] cba6ad01704bdbac21d3eeaedef9c26e18c6695c60d9260ed1bb8d1d3d59f00d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8da56b676493c522073c52f7637f89d73de38198f18941a6d2bd5ad46010e7c3
[INFO] running `Command { std: "docker" "start" "-a" "8da56b676493c522073c52f7637f89d73de38198f18941a6d2bd5ad46010e7c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling stm32f7 v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr] error: failed to run custom build command for `stm32f7 v0.16.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/stm32f7-9c29002236ae5000/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=/opt/rustwide/target/debug/build/stm32f7-cc882f6517c9428c/out
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (207) panicked at build.rs:20:13:
[INFO] [stderr]   No device features selected. Avaliable device features are: ["stm32f722", "stm32f723", "stm32f730", "stm32f732", "stm32f733", "stm32f745", "stm32f746", "stm32f750", "stm32f756", "stm32f765", "stm32f767", "stm32f769", "stm32f777", "stm32f778", "stm32f779"]
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5a69cc6f19e2 - std::backtrace_rs::backtrace::libunwind::trace::h22a6a535a50603c6
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5a69cc6f19e2 - std::backtrace_rs::backtrace::trace_unsynchronized::h2503a4f30dbfbaa2
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5a69cc6f19e2 - std::sys::backtrace::_print_fmt::hec54e31f36456895
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5a69cc6f19e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb1988e8b50fa5f19
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5a69cc7012df - core::fmt::rt::Argument::fmt::h3118a66e1a57a586
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5a69cc7012df - core::fmt::write::hcd056e06a609f600
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5a69cc6ce3f1 - std::io::default_write_fmt::h45f0f9de0268fdcb
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5a69cc6ce3f1 - std::io::Write::write_fmt::hc685c74e0b8ce55d
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5a69cc6d44b2 - std::sys::backtrace::BacktraceLock::print::h69f50ba7cfff8317
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5a69cc6d5f7c - std::panicking::default_hook::{{closure}}::hfa978eb2255ab3ab
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5a69cc6d5dd6 - std::panicking::default_hook::h09da2eaf8f1deadd
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5a69cc6d6605 - std::panicking::panic_with_hook::h13c40d280d130fd3
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5a69cc6d649a - std::panicking::panic_handler::{{closure}}::hd79d22e8a1d3b951
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5a69cc6d45e9 - std::sys::backtrace::__rust_end_short_backtrace::h83414d1ec69cf3a6
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5a69cc6c2cbd - __rustc[b78aa6c7b08e5dc4]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5a69cc704840 - core::panicking::panic_fmt::h326b75cf8ee01b13
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/panicking.rs:78:14
[INFO] [stderr]     16:     0x5a69cc6c0b92 - build_script_build::main::hc32358724c33fc77
[INFO] [stderr]     17:     0x5a69cc6c1603 - core::ops::function::FnOnce::call_once::hadf27b7fb2865e04
[INFO] [stderr]     18:     0x5a69cc6c1276 - std::sys::backtrace::__rust_begin_short_backtrace::h3aef31fc09e61863
[INFO] [stderr]     19:     0x5a69cc6c1119 - std::rt::lang_start::{{closure}}::h8743247fcf6a7304
[INFO] [stderr]     20:     0x5a69cc6cf9c0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h387c5546b57ddfde
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     21:     0x5a69cc6cf9c0 - std::panicking::catch_unwind::do_call::hf9fdd250c001d1cd
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40
[INFO] [stderr]     22:     0x5a69cc6cf9c0 - std::panicking::catch_unwind::hc213e1339e7313f3
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19
[INFO] [stderr]     23:     0x5a69cc6cf9c0 - std::panic::catch_unwind::h7e2e13142bd98e67
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x5a69cc6cf9c0 - std::rt::lang_start_internal::{{closure}}::ha8eea67def213c83
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x5a69cc6cf9c0 - std::panicking::catch_unwind::do_call::hc6f04b090be4f56e
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40
[INFO] [stderr]     26:     0x5a69cc6cf9c0 - std::panicking::catch_unwind::hfb8ae23b2e34f7c2
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19
[INFO] [stderr]     27:     0x5a69cc6cf9c0 - std::panic::catch_unwind::hf2cef20feb3addd6
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x5a69cc6cf9c0 - std::rt::lang_start_internal::h1ca864a6b9355c57
[INFO] [stderr]                                  at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x5a69cc6c1101 - std::rt::lang_start::h1370eafebe399fc8
[INFO] [stderr]     30:     0x5a69cc6c29b5 - main
[INFO] [stderr]     31:     0x702e06bef1ca - <unknown>
[INFO] [stderr]     32:     0x702e06bef28b - __libc_start_main
[INFO] [stderr]     33:     0x5a69cc6c0065 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8da56b676493c522073c52f7637f89d73de38198f18941a6d2bd5ad46010e7c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da56b676493c522073c52f7637f89d73de38198f18941a6d2bd5ad46010e7c3", kill_on_drop: false }`
[INFO] [stdout] 8da56b676493c522073c52f7637f89d73de38198f18941a6d2bd5ad46010e7c3