[INFO] fetching crate f3 0.6.1...
[INFO] checking f3-0.6.1 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate f3 0.6.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate f3 0.6.1 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking crates.io crate f3 0.6.1
[INFO] finished tweaking crates.io crate f3 0.6.1
[INFO] tweaked toml for crates.io crate f3 0.6.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cobs v0.1.4
[INFO] [stderr]   Downloaded l3gd20 v0.2.0
[INFO] [stderr]   Downloaded stm32f30x v0.7.1
[INFO] [stderr]   Downloaded m v0.1.1
[INFO] [stderr]   Downloaded panic-semihosting v0.3.0
[INFO] [stderr]   Downloaded lsm303dlhc v0.2.0
[INFO] [stderr]   Downloaded stm32f30x-hal v0.2.0
[INFO] [stderr]   Downloaded mat v0.2.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.5.7
[INFO] [stderr]   Downloaded madgwick v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "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] 903a51991dfae7acfd391b01c46e407e2857a574ac0701d18d83a94a7bba128f
[INFO] running `Command { std: "docker" "start" "-a" "903a51991dfae7acfd391b01c46e407e2857a574ac0701d18d83a94a7bba128f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "903a51991dfae7acfd391b01c46e407e2857a574ac0701d18d83a94a7bba128f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903a51991dfae7acfd391b01c46e407e2857a574ac0701d18d83a94a7bba128f", kill_on_drop: false }`
[INFO] [stdout] 903a51991dfae7acfd391b01c46e407e2857a574ac0701d18d83a94a7bba128f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4609e09357b92b675b0013ab97bf7c6e0c7df814792ea9ae60a96435497a5756
[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" "4609e09357b92b675b0013ab97bf7c6e0c7df814792ea9ae60a96435497a5756", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling stm32f30x v0.7.1
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.5
[INFO] [stderr]    Compiling f3 v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking m v0.1.1
[INFO] [stderr]     Checking cobs v0.1.4
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking mat v0.2.0
[INFO] [stderr]     Checking l3gd20 v0.2.0
[INFO] [stderr]     Checking madgwick v0.1.1
[INFO] [stderr]     Checking lsm303dlhc v0.2.0
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]     Checking panic-semihosting v0.3.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.3.0/src/lib.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | #![feature(panic_implementation)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: subsumed by `#[panic_handler]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `panic_implementation` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.3.0/src/lib.rs:71:3
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[panic_implementation]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `panic-semihosting`.
[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" "4609e09357b92b675b0013ab97bf7c6e0c7df814792ea9ae60a96435497a5756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4609e09357b92b675b0013ab97bf7c6e0c7df814792ea9ae60a96435497a5756", kill_on_drop: false }`
[INFO] [stdout] 4609e09357b92b675b0013ab97bf7c6e0c7df814792ea9ae60a96435497a5756