[INFO] fetching crate cyt4dn 0.0.1...
[INFO] checking cyt4dn-0.0.1 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate cyt4dn 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate cyt4dn 0.0.1
[INFO] finished tweaking crates.io crate cyt4dn 0.0.1
[INFO] tweaked toml for crates.io crate cyt4dn 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cyt4dn 0.0.1 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "generate-lockfile" "--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
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded cortex-m v0.7.7
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded nb v1.1.0
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded embedded-hal v0.2.7
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.5
[INFO] [stderr]   Downloaded critical-section v1.2.0
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.5
[INFO] [stderr]   Downloaded cyt4dn_a v0.0.1
[INFO] [stderr]   Downloaded cyt4dn_b v0.0.1
[INFO] [stderr]   Downloaded cyt4dn_c v0.0.1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3405f07a861b9208ee23d57776648abf0aa88b17c0f90f3235bd991c7dcf80f
[INFO] running `Command { std: "docker" "start" "-a" "d3405f07a861b9208ee23d57776648abf0aa88b17c0f90f3235bd991c7dcf80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3405f07a861b9208ee23d57776648abf0aa88b17c0f90f3235bd991c7dcf80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3405f07a861b9208ee23d57776648abf0aa88b17c0f90f3235bd991c7dcf80f", kill_on_drop: false }`
[INFO] [stdout] d3405f07a861b9208ee23d57776648abf0aa88b17c0f90f3235bd991c7dcf80f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d99a3328cc7c5e2a11e57d989c90ef5c92e7f657322a8d22a64e3dce35bb91ff
[INFO] running `Command { std: "docker" "start" "-a" "d99a3328cc7c5e2a11e57d989c90ef5c92e7f657322a8d22a64e3dce35bb91ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[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 cyt4dn_c v0.0.1
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr] error: failed to run custom build command for `cyt4dn_c v0.0.1`
[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/cyt4dn_c-9f47fb5da000d087/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (123) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cyt4dn_c-0.0.1/build.rs:20:13:
[INFO] [stderr]   Only thumbv7em-none-eabihf and thumbv6m-none-eabi target triple are supported
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x57492eb2c7ea - std[adb0f7b69c6bb217]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x57492eb2c7ea - std[adb0f7b69c6bb217]::backtrace_rs::backtrace::trace_unsynchronized::<std[adb0f7b69c6bb217]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x57492eb2c7ea - std[adb0f7b69c6bb217]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x57492eb2c7ea - <<std[adb0f7b69c6bb217]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fd8a610aa93df4d]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x57492eb3d27a - <core[fd8a610aa93df4d]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x57492eb3d27a - core[fd8a610aa93df4d]::fmt::write
[INFO] [stderr]      6:     0x57492eb30532 - std[adb0f7b69c6bb217]::io::default_write_fmt::<std[adb0f7b69c6bb217]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x57492eb30532 - <std[adb0f7b69c6bb217]::sys::stdio::unix::Stderr as std[adb0f7b69c6bb217]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x57492eb180ff - <std[adb0f7b69c6bb217]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x57492eb180ff - std[adb0f7b69c6bb217]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x57492eb28a61 - std[adb0f7b69c6bb217]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x57492eb28c1b - std[adb0f7b69c6bb217]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x57492eb181ea - std[adb0f7b69c6bb217]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/panicking.rs:691:13
[INFO] [stderr]     13:     0x57492eb0fe09 - std[adb0f7b69c6bb217]::sys::backtrace::__rust_end_short_backtrace::<std[adb0f7b69c6bb217]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x57492eb18a1d - __rustc[19ba4bdc0ddbf569]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x57492eb3d96c - core[fd8a610aa93df4d]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x57492eb013e6 - build_script_build[3f68fdd6c1d18609]::main
[INFO] [stderr]     17:     0x57492eb02403 - <fn() as core[fd8a610aa93df4d]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     18:     0x57492eb009e6 - std[adb0f7b69c6bb217]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     19:     0x57492eb00c99 - std[adb0f7b69c6bb217]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     20:     0x57492eb28104 - <&dyn core[fd8a610aa93df4d]::ops::function::Fn<(), Output = i32> + core[fd8a610aa93df4d]::marker::Sync + core[fd8a610aa93df4d]::panic::unwind_safe::RefUnwindSafe as core[fd8a610aa93df4d]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     21:     0x57492eb28104 - std[adb0f7b69c6bb217]::panicking::catch_unwind::do_call::<&dyn core[fd8a610aa93df4d]::ops::function::Fn<(), Output = i32> + core[fd8a610aa93df4d]::marker::Sync + core[fd8a610aa93df4d]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/panicking.rs:581:40
[INFO] [stderr]     22:     0x57492eb28104 - std[adb0f7b69c6bb217]::panicking::catch_unwind::<i32, &dyn core[fd8a610aa93df4d]::ops::function::Fn<(), Output = i32> + core[fd8a610aa93df4d]::marker::Sync + core[fd8a610aa93df4d]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/panicking.rs:544:19
[INFO] [stderr]     23:     0x57492eb28104 - std[adb0f7b69c6bb217]::panic::catch_unwind::<&dyn core[fd8a610aa93df4d]::ops::function::Fn<(), Output = i32> + core[fd8a610aa93df4d]::marker::Sync + core[fd8a610aa93df4d]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x57492eb28104 - std[adb0f7b69c6bb217]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x57492eb28104 - std[adb0f7b69c6bb217]::panicking::catch_unwind::do_call::<std[adb0f7b69c6bb217]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/panicking.rs:581:40
[INFO] [stderr]     26:     0x57492eb28104 - std[adb0f7b69c6bb217]::panicking::catch_unwind::<isize, std[adb0f7b69c6bb217]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/panicking.rs:544:19
[INFO] [stderr]     27:     0x57492eb28104 - std[adb0f7b69c6bb217]::panic::catch_unwind::<std[adb0f7b69c6bb217]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x57492eb28104 - std[adb0f7b69c6bb217]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/8a703520e80d87d4423c01f9d4fbc9e5f6533a02/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x57492eb00961 - std[adb0f7b69c6bb217]::rt::lang_start::<()>
[INFO] [stderr]     30:     0x57492eb02915 - main
[INFO] [stderr]     31:     0x7d6b8ee4e1ca - <unknown>
[INFO] [stderr]     32:     0x7d6b8ee4e28b - __libc_start_main
[INFO] [stderr]     33:     0x57492eb00325 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d99a3328cc7c5e2a11e57d989c90ef5c92e7f657322a8d22a64e3dce35bb91ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99a3328cc7c5e2a11e57d989c90ef5c92e7f657322a8d22a64e3dce35bb91ff", kill_on_drop: false }`
[INFO] [stdout] d99a3328cc7c5e2a11e57d989c90ef5c92e7f657322a8d22a64e3dce35bb91ff