[INFO] cloning repository https://github.com/2k0ri/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/2k0ri/blog_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2k0ri%2Fblog_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2k0ri%2Fblog_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 641271757e1ed1ca68d5f60c9117371dd21b6e0c
[INFO] checking 2k0ri/blog_os against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2k0ri%2Fblog_os" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2k0ri/blog_os on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/2k0ri/blog_os
[INFO] finished tweaking git repo https://github.com/2k0ri/blog_os
[INFO] tweaked toml for git repo https://github.com/2k0ri/blog_os written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/2k0ri/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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zero v0.1.2
[INFO] [stderr]   Downloaded spin v0.4.10
[INFO] [stderr]   Downloaded spin v0.5.1
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded array-init v0.0.4
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded bit_field v0.9.0
[INFO] [stderr]   Downloaded volatile v0.2.6
[INFO] [stderr]   Downloaded ux v0.1.3
[INFO] [stderr]   Downloaded llvm-tools v0.1.1
[INFO] [stderr]   Downloaded fixedvec v0.2.4
[INFO] [stderr]   Downloaded xmas-elf v0.6.2
[INFO] [stderr]   Downloaded usize_conversions v0.2.0
[INFO] [stderr]   Downloaded x86_64 v0.7.4
[INFO] [stderr]   Downloaded bootloader v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab5df3416472a1bd7f80246878f83b458475e489079f90e5d6832100f264fb31
[INFO] running `Command { std: "docker" "start" "-a" "ab5df3416472a1bd7f80246878f83b458475e489079f90e5d6832100f264fb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab5df3416472a1bd7f80246878f83b458475e489079f90e5d6832100f264fb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5df3416472a1bd7f80246878f83b458475e489079f90e5d6832100f264fb31", kill_on_drop: false }`
[INFO] [stdout] ab5df3416472a1bd7f80246878f83b458475e489079f90e5d6832100f264fb31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 243ed1eb5d666c20748659240eeaedd96afb209cbe72482677ffc827b3c222b7
[INFO] running `Command { std: "docker" "start" "-a" "243ed1eb5d666c20748659240eeaedd96afb209cbe72482677ffc827b3c222b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling llvm-tools v0.1.1
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking ux v0.1.3
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking fixedvec v0.2.4
[INFO] [stderr]     Checking usize_conversions v0.2.0
[INFO] [stderr]     Checking spin v0.5.1
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr]     Checking xmas-elf v0.6.2
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/spin-0.4.10/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/index.crates.io-6f17d22bba15001f/spin-0.4.10/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: aborting due to 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] [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] [stderr] error: could not compile `spin` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "243ed1eb5d666c20748659240eeaedd96afb209cbe72482677ffc827b3c222b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "243ed1eb5d666c20748659240eeaedd96afb209cbe72482677ffc827b3c222b7", kill_on_drop: false }`
[INFO] [stdout] 243ed1eb5d666c20748659240eeaedd96afb209cbe72482677ffc827b3c222b7
