[INFO] fetching crate fe_rtos 0.1.1...
[INFO] checking fe_rtos-0.1.1 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate fe_rtos 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fe_rtos 0.1.1 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fe_rtos 0.1.1
[INFO] finished tweaking crates.io crate fe_rtos 0.1.1
[INFO] tweaked toml for crates.io crate fe_rtos 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aligned v0.3.4
[INFO] [stderr]   Downloaded cstr_core v0.1.2
[INFO] [stderr]   Downloaded cty v0.1.5
[INFO] [stderr]   Downloaded fe_osi v0.1.1
[INFO] [stderr]   Downloaded cortex-m v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", 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] db60cf97909363c8fe0a9ded989317ca86aad3ac7ef92d61737d8847744a54bf
[INFO] running `Command { std: "docker" "start" "-a" "db60cf97909363c8fe0a9ded989317ca86aad3ac7ef92d61737d8847744a54bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db60cf97909363c8fe0a9ded989317ca86aad3ac7ef92d61737d8847744a54bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db60cf97909363c8fe0a9ded989317ca86aad3ac7ef92d61737d8847744a54bf", kill_on_drop: false }`
[INFO] [stdout] db60cf97909363c8fe0a9ded989317ca86aad3ac7ef92d61737d8847744a54bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d0cc21026753e7e49e49c5c98c019ec9b15360fe596c5fdd71d7d3a71d90780
[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" "5d0cc21026753e7e49e49c5c98c019ec9b15360fe596c5fdd71d7d3a71d90780", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cty v0.1.5
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cstr_core v0.1.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling fe_osi v0.1.1
[INFO] [stderr]    Compiling fe_rtos v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: duplicate lang item in crate `std` (which `test` depends on): `oom`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `fe_osi` (which `fe_rtos` depends on)
[INFO] [stdout]   = note: first definition in `fe_osi` loaded from /opt/rustwide/target/debug/deps/libfe_osi-0902e6841791c217.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-afd4b9aba051f3ad.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> src/interrupt.rs:92:1
[INFO] [stdout]     |
[INFO] [stdout] 92  | / fn panic(panic_info: &PanicInfo<'_>) -> ! {
[INFO] [stdout] 93  | |     let pid = unsafe { get_cur_task().pid };
[INFO] [stdout] 94  | |
[INFO] [stdout] 95  | |     unsafe {
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | |     loop {}
[INFO] [stdout] 118 | | }
[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/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-afd4b9aba051f3ad.rlib
[INFO] [stdout]     = note: second definition in the local crate (`fe_rtos`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fe_rtos`.
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[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" "5d0cc21026753e7e49e49c5c98c019ec9b15360fe596c5fdd71d7d3a71d90780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d0cc21026753e7e49e49c5c98c019ec9b15360fe596c5fdd71d7d3a71d90780", kill_on_drop: false }`
[INFO] [stdout] 5d0cc21026753e7e49e49c5c98c019ec9b15360fe596c5fdd71d7d3a71d90780