[INFO] cloning repository https://github.com/soruh/barebones-x86-linux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soruh/barebones-x86-linux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoruh%2Fbarebones-x86-linux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoruh%2Fbarebones-x86-linux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 659f705d5a84fec16851f165004771d0f5cebec5
[INFO] testing soruh/barebones-x86-linux against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoruh%2Fbarebones-x86-linux" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soruh/barebones-x86-linux on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/soruh/barebones-x86-linux
[INFO] finished tweaking git repo https://github.com/soruh/barebones-x86-linux
[INFO] tweaked toml for git repo https://github.com/soruh/barebones-x86-linux written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/soruh/barebones-x86-linux already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d7f0c283af39a4419a1f945b3c65c82fcbe3695c72c63433142a942c18e5047
[INFO] running `Command { std: "docker" "start" "-a" "2d7f0c283af39a4419a1f945b3c65c82fcbe3695c72c63433142a942c18e5047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d7f0c283af39a4419a1f945b3c65c82fcbe3695c72c63433142a942c18e5047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d7f0c283af39a4419a1f945b3c65c82fcbe3695c72c63433142a942c18e5047", kill_on_drop: false }`
[INFO] [stdout] 2d7f0c283af39a4419a1f945b3c65c82fcbe3695c72c63433142a942c18e5047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31461e546f73a0c7620178d80660ccb0c63692ceb6fa0cafb84b0e6f6017f95a
[INFO] running `Command { std: "docker" "start" "-a" "31461e546f73a0c7620178d80660ccb0c63692ceb6fa0cafb84b0e6f6017f95a", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling compiler_builtins v0.1.39
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling smallstr v0.2.0
[INFO] [stderr]    Compiling barebones-x86-linux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pushq  %rbp
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     movq   %rsp, %rbp
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     mov    %rax,%r11        // duplicate %rax as we're clobbering %r11
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     cmp    $0x1000,%r11
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     sub    $0x1000,%rsp
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     test   %rsp,8(%rsp)
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     sub    $0x1000,%r11
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     cmp    $0x1000,%r11
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     sub    %r11,%rsp
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     test   %rsp,8(%rsp)
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     add    %rax,%rsp
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compiler_builtins`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(maybe_uninit_ref)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "31461e546f73a0c7620178d80660ccb0c63692ceb6fa0cafb84b0e6f6017f95a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31461e546f73a0c7620178d80660ccb0c63692ceb6fa0cafb84b0e6f6017f95a", kill_on_drop: false }`
[INFO] [stdout] 31461e546f73a0c7620178d80660ccb0c63692ceb6fa0cafb84b0e6f6017f95a