[INFO] cloning repository https://github.com/CollinValley/RustOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CollinValley/RustOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCollinValley%2FRustOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCollinValley%2FRustOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 921fd29c001079abadf1ce49bc2e004d4f1ead42
[INFO] checking CollinValley/RustOS against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCollinValley%2FRustOS" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CollinValley/RustOS on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CollinValley/RustOS
[INFO] finished tweaking git repo https://github.com/CollinValley/RustOS
[INFO] tweaked toml for git repo https://github.com/CollinValley/RustOS written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CollinValley/RustOS 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uart_16550 v0.1.0
[INFO] [stderr]   Downloaded volatile v0.2.4
[INFO] [stderr]   Downloaded array-init v0.0.3
[INFO] [stderr]   Downloaded os_bootinfo v0.2.1
[INFO] [stderr]   Downloaded x86_64 v0.2.14
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded bootloader_precompiled v0.2.0
[INFO] [stderr]   Downloaded spin v0.4.9
[INFO] [stderr]   Downloaded ux v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7a90c8d2d70a5336b5fe5efff1142bac4f777b8f58eaa6ad37f165b2d2b73d6
[INFO] running `Command { std: "docker" "start" "-a" "c7a90c8d2d70a5336b5fe5efff1142bac4f777b8f58eaa6ad37f165b2d2b73d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7a90c8d2d70a5336b5fe5efff1142bac4f777b8f58eaa6ad37f165b2d2b73d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a90c8d2d70a5336b5fe5efff1142bac4f777b8f58eaa6ad37f165b2d2b73d6", kill_on_drop: false }`
[INFO] [stdout] c7a90c8d2d70a5336b5fe5efff1142bac4f777b8f58eaa6ad37f165b2d2b73d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7064f39b728d2fdfd931f40777ee570efe5ff2e96278f61719b5a1e0decdd11
[INFO] running `Command { std: "docker" "start" "-a" "c7064f39b728d2fdfd931f40777ee570efe5ff2e96278f61719b5a1e0decdd11", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking os_bootinfo v0.2.1
[INFO] [stderr]     Checking ux v0.1.2
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking usize_conversions v0.2.0
[INFO] [stderr]     Checking spin v0.4.9
[INFO] [stderr]     Checking volatile v0.2.4
[INFO] [stderr]     Checking array-init v0.0.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/spin-0.4.9/src/lib.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
[INFO] [stdout]   |                                           ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bootloader_precompiled v0.2.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spin` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c7064f39b728d2fdfd931f40777ee570efe5ff2e96278f61719b5a1e0decdd11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7064f39b728d2fdfd931f40777ee570efe5ff2e96278f61719b5a1e0decdd11", kill_on_drop: false }`
[INFO] [stdout] c7064f39b728d2fdfd931f40777ee570efe5ff2e96278f61719b5a1e0decdd11
[INFO] checking CollinValley/RustOS against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCollinValley%2FRustOS" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CollinValley/RustOS on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CollinValley/RustOS
[INFO] finished tweaking git repo https://github.com/CollinValley/RustOS
[INFO] tweaked toml for git repo https://github.com/CollinValley/RustOS written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/CollinValley/RustOS 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0e84e7ab9f76a7300a73e43fcc7e251ad7a8f7297396c9fb76c73bc553092ca
[INFO] running `Command { std: "docker" "start" "-a" "c0e84e7ab9f76a7300a73e43fcc7e251ad7a8f7297396c9fb76c73bc553092ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0e84e7ab9f76a7300a73e43fcc7e251ad7a8f7297396c9fb76c73bc553092ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e84e7ab9f76a7300a73e43fcc7e251ad7a8f7297396c9fb76c73bc553092ca", kill_on_drop: false }`
[INFO] [stdout] c0e84e7ab9f76a7300a73e43fcc7e251ad7a8f7297396c9fb76c73bc553092ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e3687882aeddefff61b1c5bbd54fd65be369758ff29e8817f664b22ac57091e
[INFO] running `Command { std: "docker" "start" "-a" "8e3687882aeddefff61b1c5bbd54fd65be369758ff29e8817f664b22ac57091e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "8e3687882aeddefff61b1c5bbd54fd65be369758ff29e8817f664b22ac57091e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3687882aeddefff61b1c5bbd54fd65be369758ff29e8817f664b22ac57091e", kill_on_drop: false }`
[INFO] [stdout] 8e3687882aeddefff61b1c5bbd54fd65be369758ff29e8817f664b22ac57091e