[INFO] fetching crate redoxer 0.2.20...
[INFO] checking redoxer-0.2.20 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate redoxer 0.2.20 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate redoxer 0.2.20 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate redoxer 0.2.20
[INFO] finished tweaking crates.io crate redoxer 0.2.20
[INFO] tweaked toml for crates.io crate redoxer 0.2.20 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate redoxer 0.2.20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_liner v0.5.1
[INFO] [stderr]   Downloaded redox_installer v0.2.7
[INFO] [stderr]   Downloaded index-fixed v0.3.1
[INFO] [stderr]   Downloaded pkgar v0.1.6
[INFO] [stderr]   Downloaded bidir-map v0.6.0
[INFO] [stderr]   Downloaded blake3 v0.2.3
[INFO] [stderr]   Downloaded arg_parser v0.1.0
[INFO] [stderr]   Downloaded redox_pkgutils v0.1.6
[INFO] [stderr]   Downloaded redoxfs v0.4.3
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdc60bd9b1e90ef4a9226448738eee2d331172a96584505807ce5119f7df1417
[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" "bdc60bd9b1e90ef4a9226448738eee2d331172a96584505807ce5119f7df1417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdc60bd9b1e90ef4a9226448738eee2d331172a96584505807ce5119f7df1417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc60bd9b1e90ef4a9226448738eee2d331172a96584505807ce5119f7df1417", kill_on_drop: false }`
[INFO] [stdout] bdc60bd9b1e90ef4a9226448738eee2d331172a96584505807ce5119f7df1417
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b473cc01dca64f13c22a76a11f5fa89fd0fba1b44a4618e430d08cc36eedeae
[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" "2b473cc01dca64f13c22a76a11f5fa89fd0fba1b44a4618e430d08cc36eedeae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking index-fixed v0.3.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]    Compiling redox_pkgutils v0.1.6
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking ordermap v0.2.13
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking version-compare v0.0.10
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking bidir-map v0.6.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking arg_parser v0.1.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling blake3 v0.2.3
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking sodalite v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking redox_syscall v0.2.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_syscall-0.2.4/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_fn)] // see https://github.com/rust-lang/rfcs/pull/2632
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking libflate v0.1.27
[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 `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" "2b473cc01dca64f13c22a76a11f5fa89fd0fba1b44a4618e430d08cc36eedeae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b473cc01dca64f13c22a76a11f5fa89fd0fba1b44a4618e430d08cc36eedeae", kill_on_drop: false }`
[INFO] [stdout] 2b473cc01dca64f13c22a76a11f5fa89fd0fba1b44a4618e430d08cc36eedeae