[INFO] cloning repository https://github.com/ThePerkinrex/PercOSv2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThePerkinrex/PercOSv2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThePerkinrex%2FPercOSv2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThePerkinrex%2FPercOSv2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fb6aab6c7825a23db2c7b5a3af6dc7a5b0fa442
[INFO] checking ThePerkinrex/PercOSv2 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThePerkinrex%2FPercOSv2" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/ThePerkinrex/PercOSv2 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ThePerkinrex/PercOSv2
[INFO] finished tweaking git repo https://github.com/ThePerkinrex/PercOSv2
[INFO] tweaked toml for git repo https://github.com/ThePerkinrex/PercOSv2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ThePerkinrex/PercOSv2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a141ea9b040256650804bb6389dfb75ead50789d42fed8afa8018a8e0da98c7
[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" "6a141ea9b040256650804bb6389dfb75ead50789d42fed8afa8018a8e0da98c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a141ea9b040256650804bb6389dfb75ead50789d42fed8afa8018a8e0da98c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a141ea9b040256650804bb6389dfb75ead50789d42fed8afa8018a8e0da98c7", kill_on_drop: false }`
[INFO] [stdout] 6a141ea9b040256650804bb6389dfb75ead50789d42fed8afa8018a8e0da98c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c47acd2d55583036f48b224858f266338b9c0d4f3d2ab10ae4b755900eb9491c
[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" "c47acd2d55583036f48b224858f266338b9c0d4f3d2ab10ae4b755900eb9491c", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking bit_field v0.7.0
[INFO] [stderr]     Checking volatile v0.2.4
[INFO] [stderr]     Checking cpuio v0.2.0
[INFO] [stderr]     Checking spin v0.4.9
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/lib.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(asm, const_fn, no_std)]
[INFO] [stdout]   |                 ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/x86.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     asm!("inb %dx, %al" : "={al}"(result) : "{dx}"(port) :: "volatile");
[INFO] [stdout]   |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     help: replace with: `llvm_asm!`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]   = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/x86.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     asm!("outb %al, %dx" :: "{dx}"(port), "{al}"(value) :: "volatile");
[INFO] [stdout]    |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: replace with: `llvm_asm!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/x86.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     asm!("inw %dx, %ax" : "={ax}"(result) : "{dx}"(port) :: "volatile");
[INFO] [stdout]    |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: replace with: `llvm_asm!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/x86.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     asm!("outw %ax, %dx" :: "{dx}"(port), "{ax}"(value) :: "volatile");
[INFO] [stdout]    |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: replace with: `llvm_asm!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/x86.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     asm!("inl %dx, %eax" : "={eax}"(result) : "{dx}"(port) :: "volatile");
[INFO] [stdout]    |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: replace with: `llvm_asm!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/x86.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     asm!("outl %eax, %dx" :: "{dx}"(port), "{eax}"(value) :: "volatile");
[INFO] [stdout]    |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: replace with: `llvm_asm!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking multiboot2 v0.1.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[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`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c47acd2d55583036f48b224858f266338b9c0d4f3d2ab10ae4b755900eb9491c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47acd2d55583036f48b224858f266338b9c0d4f3d2ab10ae4b755900eb9491c", kill_on_drop: false }`
[INFO] [stdout] c47acd2d55583036f48b224858f266338b9c0d4f3d2ab10ae4b755900eb9491c