[INFO] cloning repository https://github.com/xfoxfu/rust-xos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xfoxfu/rust-xos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfoxfu%2Frust-xos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfoxfu%2Frust-xos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73b2b3a86a73dd665e149f077e0a83ac6dc9630b
[INFO] checking xfoxfu/rust-xos against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfoxfu%2Frust-xos" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xfoxfu/rust-xos on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/xfoxfu/rust-xos
[INFO] finished tweaking git repo https://github.com/xfoxfu/rust-xos
[INFO] tweaked toml for git repo https://github.com/xfoxfu/rust-xos written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/xfoxfu/rust-xos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] feb1972f851498e5b15b9393462b572b92a619ad69b4b03d922ebde1896f7672
[INFO] running `Command { std: "docker" "start" "-a" "feb1972f851498e5b15b9393462b572b92a619ad69b4b03d922ebde1896f7672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "feb1972f851498e5b15b9393462b572b92a619ad69b4b03d922ebde1896f7672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb1972f851498e5b15b9393462b572b92a619ad69b4b03d922ebde1896f7672", kill_on_drop: false }`
[INFO] [stdout] feb1972f851498e5b15b9393462b572b92a619ad69b4b03d922ebde1896f7672
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f6c181983d5f10172af0028225b3b6167a58aa3b3d472bcd9a51ba6223247e5
[INFO] running `Command { std: "docker" "start" "-a" "8f6c181983d5f10172af0028225b3b6167a58aa3b3d472bcd9a51ba6223247e5", 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] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]     Checking bit_field v0.10.0
[INFO] [stderr]    Compiling x86_64 v0.11.0
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]     Checking pc-keyboard v0.5.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling x86 v0.33.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking micromath v1.0.0
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking embedded-graphics v0.6.2
[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] [stderr]     Checking xmas-elf v0.7.0
[INFO] [stderr]     Checking ucs2 v0.3.1
[INFO] [stderr]     Checking fatpart v0.1.0 (/opt/rustwide/workdir/fatpart)
[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 `lock_api`
[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" "8f6c181983d5f10172af0028225b3b6167a58aa3b3d472bcd9a51ba6223247e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6c181983d5f10172af0028225b3b6167a58aa3b3d472bcd9a51ba6223247e5", kill_on_drop: false }`
[INFO] [stdout] 8f6c181983d5f10172af0028225b3b6167a58aa3b3d472bcd9a51ba6223247e5