[INFO] cloning repository https://github.com/stay-on-main/rust-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stay-on-main/rust-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstay-on-main%2Frust-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstay-on-main%2Frust-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9e61d13debacf429e6635b28cd9d3776fc522ff
[INFO] testing stay-on-main/rust-os against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstay-on-main%2Frust-os" "/workspace/builds/worker-100/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-100/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stay-on-main/rust-os on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stay-on-main/rust-os
[INFO] finished tweaking git repo https://github.com/stay-on-main/rust-os
[INFO] tweaked toml for git repo https://github.com/stay-on-main/rust-os written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate git repo https://github.com/stay-on-main/rust-os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused manifest key: target.thumbv6m-none-eabi.rustflags
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a48ad867b83e24284004b2fab2258205da0febd6952837f281daef6e3de5db3
[INFO] running `Command { std: "docker" "start" "-a" "4a48ad867b83e24284004b2fab2258205da0febd6952837f281daef6e3de5db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a48ad867b83e24284004b2fab2258205da0febd6952837f281daef6e3de5db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a48ad867b83e24284004b2fab2258205da0febd6952837f281daef6e3de5db3", kill_on_drop: false }`
[INFO] [stdout] 4a48ad867b83e24284004b2fab2258205da0febd6952837f281daef6e3de5db3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd10c834ada4dc053295562121fd46a8456a8dc4c69bbf201be09172c3bdbc07
[INFO] running `Command { std: "docker" "start" "-a" "dd10c834ada4dc053295562121fd46a8456a8dc4c69bbf201be09172c3bdbc07", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused manifest key: target.thumbv6m-none-eabi.rustflags
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_arm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid asm template string: expected `'}'`, found `','`
[INFO] [stdout]    --> src/os.rs:181:23
[INFO] [stdout]     |
[INFO] [stdout] 181 |               push {r4, r5, r6, r7} 
[INFO] [stdout]     |                    -  ^ expected `}` in asm template string
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    because of this opening brace
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to print `{`, you can escape it using `{{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_arm` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "dd10c834ada4dc053295562121fd46a8456a8dc4c69bbf201be09172c3bdbc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd10c834ada4dc053295562121fd46a8456a8dc4c69bbf201be09172c3bdbc07", kill_on_drop: false }`
[INFO] [stdout] dd10c834ada4dc053295562121fd46a8456a8dc4c69bbf201be09172c3bdbc07