[INFO] fetching crate dps310 0.1.2...
[INFO] checking dps310-0.1.2 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate dps310 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dps310 0.1.2 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate dps310 0.1.2
[INFO] finished tweaking crates.io crate dps310 0.1.2
[INFO] tweaked toml for crates.io crate dps310 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate dps310 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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] ed2c38ca2f10b3fa1ca70bebe34d4f5d8237f73682861875edc8491a37246408
[INFO] running `Command { std: "docker" "start" "-a" "ed2c38ca2f10b3fa1ca70bebe34d4f5d8237f73682861875edc8491a37246408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed2c38ca2f10b3fa1ca70bebe34d4f5d8237f73682861875edc8491a37246408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2c38ca2f10b3fa1ca70bebe34d4f5d8237f73682861875edc8491a37246408", kill_on_drop: false }`
[INFO] [stdout] ed2c38ca2f10b3fa1ca70bebe34d4f5d8237f73682861875edc8491a37246408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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] 601d3edef3c791eeaf652ea397ea8620e38c5ac20d3749df210fb6668f0f4d0f
[INFO] running `Command { std: "docker" "start" "-a" "601d3edef3c791eeaf652ea397ea8620e38c5ac20d3749df210fb6668f0f4d0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling cortex-m v0.6.4
[INFO] [stderr]    Compiling stm32f3 v0.12.1
[INFO] [stderr]     Checking panic-halt 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]     Checking cortex-m-rt v0.6.13
[INFO] [stderr]     Checking dps310 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `panic_itm`
[INFO] [stdout]   --> examples/stm32f303vc.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | extern crate panic_itm; // panic handler
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dps310`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "601d3edef3c791eeaf652ea397ea8620e38c5ac20d3749df210fb6668f0f4d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601d3edef3c791eeaf652ea397ea8620e38c5ac20d3749df210fb6668f0f4d0f", kill_on_drop: false }`
[INFO] [stdout] 601d3edef3c791eeaf652ea397ea8620e38c5ac20d3749df210fb6668f0f4d0f