[INFO] cloning repository https://github.com/Sanshit-sagar/RustOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sanshit-sagar/RustOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSanshit-sagar%2FRustOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSanshit-sagar%2FRustOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10ed0c75e2a9f5130a611f0d5d4b1af5aa4845ef
[INFO] testing Sanshit-sagar/RustOS against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSanshit-sagar%2FRustOS" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  20% (216/1062)
Updating files:  20% (223/1062)
Updating files:  21% (224/1062)
Updating files:  22% (234/1062)
Updating files:  23% (245/1062)
Updating files:  24% (255/1062)
Updating files:  25% (266/1062)
Updating files:  26% (277/1062)
Updating files:  27% (287/1062)
Updating files:  28% (298/1062)
Updating files:  29% (308/1062)
Updating files:  30% (319/1062)
Updating files:  31% (330/1062)
Updating files:  32% (340/1062)
Updating files:  33% (351/1062)
Updating files:  34% (362/1062)
Updating files:  35% (372/1062)
Updating files:  36% (383/1062)
Updating files:  37% (393/1062)
Updating files:  38% (404/1062)
Updating files:  39% (415/1062)
Updating files:  40% (425/1062)
Updating files:  41% (436/1062)
Updating files:  42% (447/1062)
Updating files:  43% (457/1062)
Updating files:  44% (468/1062)
Updating files:  45% (478/1062)
Updating files:  46% (489/1062)
Updating files:  47% (500/1062)
Updating files:  48% (510/1062)
Updating files:  49% (521/1062)
Updating files:  50% (531/1062)
Updating files:  51% (542/1062)
Updating files:  51% (547/1062)
Updating files:  51% (548/1062)
Updating files:  52% (553/1062)
Updating files:  53% (563/1062)
Updating files:  54% (574/1062)
Updating files:  55% (585/1062)
Updating files:  56% (595/1062)
Updating files:  57% (606/1062)
Updating files:  58% (616/1062)
Updating files:  59% (627/1062)
Updating files:  60% (638/1062)
Updating files:  61% (648/1062)
Updating files:  62% (659/1062)
Updating files:  63% (670/1062)
Updating files:  64% (680/1062)
Updating files:  65% (691/1062)
Updating files:  66% (701/1062)
Updating files:  67% (712/1062)
Updating files:  68% (723/1062)
Updating files:  69% (733/1062)
Updating files:  70% (744/1062)
Updating files:  71% (755/1062)
Updating files:  72% (765/1062)
Updating files:  73% (776/1062)
Updating files:  74% (786/1062)
Updating files:  75% (797/1062)
Updating files:  76% (808/1062)
Updating files:  77% (818/1062)
Updating files:  78% (829/1062)
Updating files:  79% (839/1062)
Updating files:  80% (850/1062)
Updating files:  81% (861/1062)
Updating files:  82% (871/1062)
Updating files:  83% (882/1062)
Updating files:  84% (893/1062)
Updating files:  85% (903/1062)
Updating files:  86% (914/1062)
Updating files:  87% (924/1062)
Updating files:  88% (935/1062)
Updating files:  89% (946/1062)
Updating files:  90% (956/1062)
Updating files:  91% (967/1062)
Updating files:  92% (978/1062)
Updating files:  93% (988/1062)
Updating files:  94% (999/1062)
Updating files:  95% (1009/1062)
Updating files:  96% (1020/1062)
Updating files:  97% (1031/1062)
Updating files:  98% (1041/1062)
Updating files:  99% (1052/1062)
Updating files: 100% (1062/1062)
Updating files: 100% (1062/1062), done.
[INFO] validating manifest of git repo https://github.com/Sanshit-sagar/RustOS on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Sanshit-sagar/RustOS
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/Sanshit-sagar/RustOS
[INFO] tweaked toml for git repo https://github.com/Sanshit-sagar/RustOS written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Sanshit-sagar/RustOS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4ebedaacd180fb81466b84492efe6dadeb66f0dc90f9261e7ca846502d48efb
[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" "e4ebedaacd180fb81466b84492efe6dadeb66f0dc90f9261e7ca846502d48efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4ebedaacd180fb81466b84492efe6dadeb66f0dc90f9261e7ca846502d48efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ebedaacd180fb81466b84492efe6dadeb66f0dc90f9261e7ca846502d48efb", kill_on_drop: false }`
[INFO] [stdout] e4ebedaacd180fb81466b84492efe6dadeb66f0dc90f9261e7ca846502d48efb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deed1bab563aa1de0166750063dc8ac0c191c2c355dfb5fa31d4943e5db428cb
[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" "deed1bab563aa1de0166750063dc8ac0c191c2c355dfb5fa31d4943e5db428cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_64 v0.11.5
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling bootloader v0.9.8
[INFO] [stderr]    Compiling cpuio v0.3.0
[INFO] [stderr]    Compiling rlibc v1.0.0
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.3.0/src/lib.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(llvm_asm, 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[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.3.0/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(llvm_asm, const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cpuio`
[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] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.3.4/src/lib.rs:91:42
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", 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[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.3.4/src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "deed1bab563aa1de0166750063dc8ac0c191c2c355dfb5fa31d4943e5db428cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deed1bab563aa1de0166750063dc8ac0c191c2c355dfb5fa31d4943e5db428cb", kill_on_drop: false }`
[INFO] [stdout] deed1bab563aa1de0166750063dc8ac0c191c2c355dfb5fa31d4943e5db428cb
