[INFO] fetching crate fe_rtos 0.1.1...
[INFO] checking fe_rtos-0.1.1 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate fe_rtos 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate fe_rtos 0.1.1 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aligned v0.3.4
[INFO] [stderr]   Downloaded cortex-m v0.6.3
[INFO] [stderr]   Downloaded cstr_core v0.1.2
[INFO] [stderr]   Downloaded fe_osi v0.1.1
[INFO] [stderr]   Downloaded cty v0.1.5
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df23ebc362eb33c6f751eea48b428f62d143e907ea1291c05b2b9564dae9eab7
[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" "df23ebc362eb33c6f751eea48b428f62d143e907ea1291c05b2b9564dae9eab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df23ebc362eb33c6f751eea48b428f62d143e907ea1291c05b2b9564dae9eab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df23ebc362eb33c6f751eea48b428f62d143e907ea1291c05b2b9564dae9eab7", kill_on_drop: false }`
[INFO] [stdout] df23ebc362eb33c6f751eea48b428f62d143e907ea1291c05b2b9564dae9eab7
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] 532ad310185a2d0ad7fb8f7945eac36431bcddd640870b99d1289086b4549e69
[INFO] running `Command { std: "docker" "start" "-a" "532ad310185a2d0ad7fb8f7945eac36431bcddd640870b99d1289086b4549e69", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking cty v0.1.5
[INFO] [stderr]    Compiling fe_osi v0.1.1
[INFO] [stderr]    Compiling fe_rtos v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking cstr_core v0.1.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[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/72f88fc4e9458f89516a0b8b0868f3718aec5b47/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-faa3fd6c69b73b7d.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]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/72f88fc4e9458f89516a0b8b0868f3718aec5b47/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-faa3fd6c69b73b7d.rlib
[INFO] [stdout]    = note: second definition in the local crate (`fe_rtos`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fe_rtos`.
[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" "532ad310185a2d0ad7fb8f7945eac36431bcddd640870b99d1289086b4549e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "532ad310185a2d0ad7fb8f7945eac36431bcddd640870b99d1289086b4549e69", kill_on_drop: false }`
[INFO] [stdout] 532ad310185a2d0ad7fb8f7945eac36431bcddd640870b99d1289086b4549e69
