[INFO] fetching crate redoxer 0.2.20...
[INFO] checking redoxer-0.2.20 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate redoxer 0.2.20 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate redoxer 0.2.20 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-1/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 968f1e44f581b4e70d9b4151dee58de88430ac198a2af6b1a2c36a9428a4367f
[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" "968f1e44f581b4e70d9b4151dee58de88430ac198a2af6b1a2c36a9428a4367f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "968f1e44f581b4e70d9b4151dee58de88430ac198a2af6b1a2c36a9428a4367f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968f1e44f581b4e70d9b4151dee58de88430ac198a2af6b1a2c36a9428a4367f", kill_on_drop: false }`
[INFO] [stdout] 968f1e44f581b4e70d9b4151dee58de88430ac198a2af6b1a2c36a9428a4367f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5df9714bb96c9b2cf7d3f02d08da83c18dba068e91f6494237897047b4b5c17
[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" "f5df9714bb96c9b2cf7d3f02d08da83c18dba068e91f6494237897047b4b5c17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling redox_pkgutils v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking index-fixed v0.3.1
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking bidir-map v0.6.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking version-compare v0.0.10
[INFO] [stderr]     Checking ordermap v0.2.13
[INFO] [stderr]     Checking arg_parser v0.1.0
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking sodalite v0.3.0
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking crossbeam-utils v0.8.1
[INFO] [stderr]     Checking redox_syscall v0.2.4
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking libflate v0.1.27
[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]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking log v0.3.9
[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" "f5df9714bb96c9b2cf7d3f02d08da83c18dba068e91f6494237897047b4b5c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5df9714bb96c9b2cf7d3f02d08da83c18dba068e91f6494237897047b4b5c17", kill_on_drop: false }`
[INFO] [stdout] f5df9714bb96c9b2cf7d3f02d08da83c18dba068e91f6494237897047b4b5c17