[INFO] fetching crate drone-cortexm 0.13.0...
[INFO] checking drone-cortexm-0.13.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate drone-cortexm 0.13.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate drone-cortexm 0.13.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drone-cortexm 0.13.0
[INFO] finished tweaking crates.io crate drone-cortexm 0.13.0
[INFO] tweaked toml for crates.io crate drone-cortexm 0.13.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7799abaa6bbfa509a27fb6bfe2b50cedbe3c5bdbc6f32618a8bc571eaa322440
[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" "7799abaa6bbfa509a27fb6bfe2b50cedbe3c5bdbc6f32618a8bc571eaa322440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7799abaa6bbfa509a27fb6bfe2b50cedbe3c5bdbc6f32618a8bc571eaa322440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7799abaa6bbfa509a27fb6bfe2b50cedbe3c5bdbc6f32618a8bc571eaa322440", kill_on_drop: false }`
[INFO] [stdout] 7799abaa6bbfa509a27fb6bfe2b50cedbe3c5bdbc6f32618a8bc571eaa322440
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 7a04491b6c0cc673001ff45b7cb19d438f7401610735f8cbaa64fa61b73298d8
[INFO] running `Command { std: "docker" "start" "-a" "7a04491b6c0cc673001ff45b7cb19d438f7401610735f8cbaa64fa61b73298d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling drone-macros-core v0.13.0
[INFO] [stderr]    Compiling drone-config v0.13.1
[INFO] [stderr]    Compiling drone-cortexm-macros v0.13.0
[INFO] [stderr]    Compiling drone-core-macros v0.13.0
[INFO] [stderr]     Checking drone-core v0.13.0
[INFO] [stderr]     Checking drone-cortexm v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `drone_core` (which `drone_cortexm` depends on)
[INFO] [stdout]   = note: first definition in `drone_core` loaded from /opt/rustwide/target/debug/deps/libdrone_core-ba19b1d0c25173bd.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-25c6acf8063a3802.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[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 `drone_core` (which `drone_cortexm` depends on)
[INFO] [stdout]   = note: first definition in `drone_core` loaded from /opt/rustwide/target/debug/deps/libdrone_core-ba19b1d0c25173bd.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-25c6acf8063a3802.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drone-cortexm`
[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" "7a04491b6c0cc673001ff45b7cb19d438f7401610735f8cbaa64fa61b73298d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a04491b6c0cc673001ff45b7cb19d438f7401610735f8cbaa64fa61b73298d8", kill_on_drop: false }`
[INFO] [stdout] 7a04491b6c0cc673001ff45b7cb19d438f7401610735f8cbaa64fa61b73298d8