[INFO] cloning repository https://github.com/maddarauci/blog_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maddarauci/blog_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaddarauci%2Fblog_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaddarauci%2Fblog_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61d3ff077e12521303eb312fc716ba2e6f25350c
[INFO] checking maddarauci/blog_os against try#bac5816c5f3d02cebd0599070af62d1782530294 for pr-150408
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaddarauci%2Fblog_os" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maddarauci/blog_os
[INFO] finished tweaking git repo https://github.com/maddarauci/blog_os
[INFO] tweaked toml for git repo https://github.com/maddarauci/blog_os written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maddarauci/blog_os on toolchain bac5816c5f3d02cebd0599070af62d1782530294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maddarauci/blog_os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c1293ea00693a349250b538d224c112499b0466ce06aea0d426fb1d52aa1c5d
[INFO] running `Command { std: "docker" "start" "-a" "6c1293ea00693a349250b538d224c112499b0466ce06aea0d426fb1d52aa1c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c1293ea00693a349250b538d224c112499b0466ce06aea0d426fb1d52aa1c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1293ea00693a349250b538d224c112499b0466ce06aea0d426fb1d52aa1c5d", kill_on_drop: false }`
[INFO] [stdout] 6c1293ea00693a349250b538d224c112499b0466ce06aea0d426fb1d52aa1c5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2f8cad18c09bca44d5557782fb620f23fc17c2fd40402022c1075038a946a39
[INFO] running `Command { std: "docker" "start" "-a" "e2f8cad18c09bca44d5557782fb620f23fc17c2fd40402022c1075038a946a39", kill_on_drop: false }`
[INFO] [stderr]     Checking blog_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `...`, `..=`, `..`, `:`, or `|`, found `->`
[INFO] [stdout]   --> src/main.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub extern "C" fn _start(0 -> ! {
[INFO] [stdout]    |                            ^^ expected one of `...`, `..=`, `..`, `:`, or `|`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `->`, `where`, or `{`, found `#`
[INFO] [stdout]   --> src/main.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | })
[INFO] [stdout]    |   - expected one of `->`, `where`, or `{`
[INFO] [stdout] ...
[INFO] [stdout] 17 | #[panic_handler]
[INFO] [stdout]    | ^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blog_os` (bin "blog_os") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: expected one of `...`, `..=`, `..`, `:`, or `|`, found `->`
[INFO] [stdout]   --> src/main.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub extern "C" fn _start(0 -> ! {
[INFO] [stdout]    |                            ^^ expected one of `...`, `..=`, `..`, `:`, or `|`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `->`, `where`, or `{`, found `#`
[INFO] [stdout]   --> src/main.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | })
[INFO] [stdout]    |   - expected one of `->`, `where`, or `{`
[INFO] [stdout] ...
[INFO] [stdout] 17 | #[panic_handler]
[INFO] [stdout]    | ^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blog_os` (bin "blog_os" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e2f8cad18c09bca44d5557782fb620f23fc17c2fd40402022c1075038a946a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f8cad18c09bca44d5557782fb620f23fc17c2fd40402022c1075038a946a39", kill_on_drop: false }`
[INFO] [stdout] e2f8cad18c09bca44d5557782fb620f23fc17c2fd40402022c1075038a946a39