[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9e61d13debacf429e6635b28cd9d3776fc522ff
[INFO] checking stay-on-main/rust-os against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstay-on-main%2Frust-os" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stay-on-main/rust-os on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", 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-11/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" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b42d27d4364eb80a3c289fc18016e9bc15925c8ccd58be6d49760fe68fcb92e
[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" "6b42d27d4364eb80a3c289fc18016e9bc15925c8ccd58be6d49760fe68fcb92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b42d27d4364eb80a3c289fc18016e9bc15925c8ccd58be6d49760fe68fcb92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b42d27d4364eb80a3c289fc18016e9bc15925c8ccd58be6d49760fe68fcb92e", kill_on_drop: false }`
[INFO] [stdout] 6b42d27d4364eb80a3c289fc18016e9bc15925c8ccd58be6d49760fe68fcb92e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afc2474bdab835f4ccea4e14a6c309f13d97de6daa79b9ec8088c3c07ed65095
[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" "afc2474bdab835f4ccea4e14a6c309f13d97de6daa79b9ec8088c3c07ed65095", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused manifest key: target.thumbv6m-none-eabi.rustflags
[INFO] [stderr]     Checking 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[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> src/os.rs:220:1
[INFO] [stdout]     |
[INFO] [stdout] 220 | / fn panic_impl(_info: &PanicInfo) -> ! {
[INFO] [stdout] 221 | |     loop {
[INFO] [stdout] 222 | |
[INFO] [stdout] 223 | |     }
[INFO] [stdout] 224 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: could not compile `hello_arm`.
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "afc2474bdab835f4ccea4e14a6c309f13d97de6daa79b9ec8088c3c07ed65095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc2474bdab835f4ccea4e14a6c309f13d97de6daa79b9ec8088c3c07ed65095", kill_on_drop: false }`
[INFO] [stdout] afc2474bdab835f4ccea4e14a6c309f13d97de6daa79b9ec8088c3c07ed65095