[INFO] fetching crate teensy-lc 0.1.1...
[INFO] checking teensy-lc-0.1.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate teensy-lc 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate teensy-lc 0.1.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vcell v0.1.2
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded as-slice v0.1.3
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.8
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.12
[INFO] [stderr]   Downloaded aligned v0.3.4
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded cortex-m v0.6.3
[INFO] [stderr]   Downloaded embedded-hal v0.2.4
[INFO] [stderr]   Downloaded teensy-lc-macros v0.1.1
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded mkl26z4 v0.1.1
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f93e256598e52008fae321f6442ba353df3b70a5ba879aaa74014f723f5e907
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6f93e256598e52008fae321f6442ba353df3b70a5ba879aaa74014f723f5e907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f93e256598e52008fae321f6442ba353df3b70a5ba879aaa74014f723f5e907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f93e256598e52008fae321f6442ba353df3b70a5ba879aaa74014f723f5e907", kill_on_drop: false }`
[INFO] [stdout] 6f93e256598e52008fae321f6442ba353df3b70a5ba879aaa74014f723f5e907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5cee11f0bcc6806268dd50da8272447151ea24c1297699170e32ece67a02131d
[INFO] running `Command { std: "docker" "start" "-a" "5cee11f0bcc6806268dd50da8272447151ea24c1297699170e32ece67a02131d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling mkl26z4 v0.1.1
[INFO] [stderr]    Compiling teensy-lc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling teensy-lc-macros v0.1.1
[INFO] [stderr]     Checking cortex-m-rt v0.6.12
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/panic_sos.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 20 | |     let sim = unsafe { &(*crate::dev::SIM::ptr()) };
[INFO] [stdout] 21 | |     let portc = unsafe { &(*crate::dev::PORTC::ptr()) };
[INFO] [stdout] 22 | |     let fgpioc = unsafe { &(*crate::dev::FGPIOC::ptr()) };
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     }
[INFO] [stdout] 36 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/f6e2f78768c57172b99c3e85892f867894dc7e30/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-afd4b9aba051f3ad.rlib
[INFO] [stdout]    = note: second definition in the local crate (`teensy_lc`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `teensy-lc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5cee11f0bcc6806268dd50da8272447151ea24c1297699170e32ece67a02131d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cee11f0bcc6806268dd50da8272447151ea24c1297699170e32ece67a02131d", kill_on_drop: false }`
[INFO] [stdout] 5cee11f0bcc6806268dd50da8272447151ea24c1297699170e32ece67a02131d