[INFO] cloning repository https://github.com/redox-os/installer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redox-os/installer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Finstaller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Finstaller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 150d65c31ba05c829ba239a3febe1e44b6e512e8
[INFO] checking redox-os/installer against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Finstaller" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redox-os/installer on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redox-os/installer
[INFO] finished tweaking git repo https://github.com/redox-os/installer
[INFO] tweaked toml for git repo https://github.com/redox-os/installer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/redox-os/installer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded index-fixed v0.3.0
[INFO] [stderr]   Downloaded redoxfs v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f1c88ac05ee13f3f3adb43362842c32055806f1b25f4242ccc8455a4a04dab2
[INFO] running `Command { std: "docker" "start" "-a" "7f1c88ac05ee13f3f3adb43362842c32055806f1b25f4242ccc8455a4a04dab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f1c88ac05ee13f3f3adb43362842c32055806f1b25f4242ccc8455a4a04dab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f1c88ac05ee13f3f3adb43362842c32055806f1b25f4242ccc8455a4a04dab2", kill_on_drop: false }`
[INFO] [stdout] 7f1c88ac05ee13f3f3adb43362842c32055806f1b25f4242ccc8455a4a04dab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca79131a57ca652a4d75de88e23ebfac15c920feed841068b68cae478989013e
[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" "ca79131a57ca652a4d75de88e23ebfac15c920feed841068b68cae478989013e", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking index-fixed v0.3.0
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling redox_pkgutils v0.1.6
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking ordermap v0.2.13
[INFO] [stderr]     Checking bidir-map v0.6.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking base64 v0.12.1
[INFO] [stderr]     Checking version-compare v0.0.10
[INFO] [stderr]     Checking redox_syscall v0.1.57
[INFO] [stderr]     Checking arg_parser v0.1.0
[INFO] [stderr]    Compiling ring v0.13.5 (https://gitlab.redox-os.org/redox-os/ring.git?branch=redox-unix-0.13.5#e10e9b89)
[INFO] [stderr]    Compiling blake3 v0.2.3
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking sodalite v0.3.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking httparse v1.3.4
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_syscall-0.1.57/src/io/io.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<I: Io> ReadOnly<I> {
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
[INFO] [stdout]    = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_syscall-0.1.57/src/io/io.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl<I: Io> WriteOnly<I> {
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
[INFO] [stdout]    = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redox_syscall`
[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" "ca79131a57ca652a4d75de88e23ebfac15c920feed841068b68cae478989013e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca79131a57ca652a4d75de88e23ebfac15c920feed841068b68cae478989013e", kill_on_drop: false }`
[INFO] [stdout] ca79131a57ca652a4d75de88e23ebfac15c920feed841068b68cae478989013e