[INFO] fetching crate nrf52833-hal 0.12.0...
[INFO] checking nrf52833-hal-0.12.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate nrf52833-hal 0.12.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nrf52833-hal 0.12.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nrf52833-hal 0.12.0
[INFO] finished tweaking crates.io crate nrf52833-hal 0.12.0
[INFO] tweaked toml for crates.io crate nrf52833-hal 0.12.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nrf52833-pac v0.9.0
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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] 553e441bca3208656cfb8e34fbdceed57cc29744ec2a32909f70d7139b962718
[INFO] running `Command { std: "docker" "start" "-a" "553e441bca3208656cfb8e34fbdceed57cc29744ec2a32909f70d7139b962718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "553e441bca3208656cfb8e34fbdceed57cc29744ec2a32909f70d7139b962718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553e441bca3208656cfb8e34fbdceed57cc29744ec2a32909f70d7139b962718", kill_on_drop: false }`
[INFO] [stdout] 553e441bca3208656cfb8e34fbdceed57cc29744ec2a32909f70d7139b962718
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d06dd082c80196a218f09f67bfaf243b9b641f1c473d9ad6c5b0880d473eeac6
[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" "d06dd082c80196a218f09f67bfaf243b9b641f1c473d9ad6c5b0880d473eeac6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling nrf52833-pac v0.9.0
[INFO] [stderr]    Compiling fixed v1.6.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling nrf-hal-common v0.12.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling nrf52833-hal v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-dma v0.1.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking cortex-m v0.7.1
[INFO] [stderr]     Checking cortex-m v0.6.7
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "d06dd082c80196a218f09f67bfaf243b9b641f1c473d9ad6c5b0880d473eeac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06dd082c80196a218f09f67bfaf243b9b641f1c473d9ad6c5b0880d473eeac6", kill_on_drop: false }`
[INFO] [stdout] d06dd082c80196a218f09f67bfaf243b9b641f1c473d9ad6c5b0880d473eeac6