[INFO] crate teensy-lc 0.1.1 is already in cache
[INFO] testing teensy-lc-0.1.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate teensy-lc 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate teensy-lc 0.1.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate teensy-lc 0.1.1
[INFO] finished tweaking crates.io crate teensy-lc 0.1.1
[INFO] tweaked toml for crates.io crate teensy-lc 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08638dac4c852eaa4853153e90edab048cd1bf044c6fe9f4decdecc02eb156a8
[INFO] running `"docker" "start" "-a" "08638dac4c852eaa4853153e90edab048cd1bf044c6fe9f4decdecc02eb156a8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling vcell v0.1.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling mkl26z4 v0.1.1
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling teensy-lc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling as-slice v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling aligned v0.3.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling teensy-lc-macros v0.1.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `"docker" "inspect" "08638dac4c852eaa4853153e90edab048cd1bf044c6fe9f4decdecc02eb156a8"`
[INFO] running `"docker" "rm" "-f" "08638dac4c852eaa4853153e90edab048cd1bf044c6fe9f4decdecc02eb156a8"`
[INFO] [stdout] 08638dac4c852eaa4853153e90edab048cd1bf044c6fe9f4decdecc02eb156a8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7e5fd481706bc7d1b084fdab418d4e4615143f5220a189a19a39ef90b9087fa6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7e5fd481706bc7d1b084fdab418d4e4615143f5220a189a19a39ef90b9087fa6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling teensy-lc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stderr]   --> src/panic_sos.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stderr] 20 | |     let sim = unsafe { &(*crate::dev::SIM::ptr()) };
[INFO] [stderr] 21 | |     let portc = unsafe { &(*crate::dev::PORTC::ptr()) };
[INFO] [stderr] 22 | |     let fgpioc = unsafe { &(*crate::dev::FGPIOC::ptr()) };
[INFO] [stderr] ...  |
[INFO] [stderr] 35 | |     }
[INFO] [stderr] 36 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `teensy-lc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7e5fd481706bc7d1b084fdab418d4e4615143f5220a189a19a39ef90b9087fa6"`
[INFO] running `"docker" "rm" "-f" "7e5fd481706bc7d1b084fdab418d4e4615143f5220a189a19a39ef90b9087fa6"`
[INFO] [stdout] 7e5fd481706bc7d1b084fdab418d4e4615143f5220a189a19a39ef90b9087fa6