[INFO] fetching crate stm32f3-discovery 0.7.2...
[INFO] checking stm32f3-discovery-0.7.2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate stm32f3-discovery 0.7.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate stm32f3-discovery 0.7.2 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config
[INFO] started tweaking crates.io crate stm32f3-discovery 0.7.2
[INFO] finished tweaking crates.io crate stm32f3-discovery 0.7.2
[INFO] tweaked toml for crates.io crate stm32f3-discovery 0.7.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate stm32f3-discovery 0.7.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded accelerometer v0.12.0
[INFO] [stderr]   Downloaded switch-hal v0.4.0
[INFO] [stderr]   Downloaded stm32f3xx-hal v0.7.0
[INFO] [stderr]   Downloaded lsm303dlhc v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd16e83c18c0147227516f964ddc8b79356e5f414ae9d822d72bb92eab844ff9
[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" "bd16e83c18c0147227516f964ddc8b79356e5f414ae9d822d72bb92eab844ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd16e83c18c0147227516f964ddc8b79356e5f414ae9d822d72bb92eab844ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd16e83c18c0147227516f964ddc8b79356e5f414ae9d822d72bb92eab844ff9", kill_on_drop: false }`
[INFO] [stdout] bd16e83c18c0147227516f964ddc8b79356e5f414ae9d822d72bb92eab844ff9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] d2fa5e6a170c9e84d99db6b243b42870774001e5cb62a6235b6e0e6af2428e73
[INFO] running `Command { std: "docker" "start" "-a" "d2fa5e6a170c9e84d99db6b243b42870774001e5cb62a6235b6e0e6af2428e73", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling camino v1.0.4
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]    Compiling stm32f3 v0.13.2
[INFO] [stderr]    Compiling slice-group-by v0.2.6
[INFO] [stderr]    Compiling stm32f3-discovery v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking switch-hal v0.4.0
[INFO] [stderr]     Checking generic-array v0.11.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking accelerometer v0.12.0
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking cortex-m v0.7.2
[INFO] [stderr]     Checking panic-itm v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.12.0
[INFO] [stderr]     Checking rtcc v0.2.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling cargo_metadata v0.13.1
[INFO] [stderr]     Checking lsm303dlhc v0.2.0
[INFO] [stderr]    Compiling stm32f3xx-hal v0.7.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.62s
[INFO] running `Command { std: "docker" "inspect" "d2fa5e6a170c9e84d99db6b243b42870774001e5cb62a6235b6e0e6af2428e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fa5e6a170c9e84d99db6b243b42870774001e5cb62a6235b6e0e6af2428e73", kill_on_drop: false }`
[INFO] [stdout] d2fa5e6a170c9e84d99db6b243b42870774001e5cb62a6235b6e0e6af2428e73