[INFO] fetching crate redoxfs 0.4.3...
[INFO] testing redoxfs-0.4.3 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate redoxfs 0.4.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate redoxfs 0.4.3 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate redoxfs 0.4.3
[INFO] finished tweaking crates.io crate redoxfs 0.4.3
[INFO] tweaked toml for crates.io crate redoxfs 0.4.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate redoxfs 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e84e61896a6ed0d26523ee779c6361b43d633edcc715bac7b123ac8a1b88d7b
[INFO] running `Command { std: "docker" "start" "-a" "0e84e61896a6ed0d26523ee779c6361b43d633edcc715bac7b123ac8a1b88d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e84e61896a6ed0d26523ee779c6361b43d633edcc715bac7b123ac8a1b88d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e84e61896a6ed0d26523ee779c6361b43d633edcc715bac7b123ac8a1b88d7b", kill_on_drop: false }`
[INFO] [stdout] 0e84e61896a6ed0d26523ee779c6361b43d633edcc715bac7b123ac8a1b88d7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf22291798020e4f5098f7fc1349dcea9903f8af54f8057fbd605e1c4bbc2c41
[INFO] running `Command { std: "docker" "start" "-a" "cf22291798020e4f5098f7fc1349dcea9903f8af54f8057fbd605e1c4bbc2c41", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling redox_syscall v0.2.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_syscall-0.2.1/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] error: could not compile `redox_syscall` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cf22291798020e4f5098f7fc1349dcea9903f8af54f8057fbd605e1c4bbc2c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf22291798020e4f5098f7fc1349dcea9903f8af54f8057fbd605e1c4bbc2c41", kill_on_drop: false }`
[INFO] [stdout] cf22291798020e4f5098f7fc1349dcea9903f8af54f8057fbd605e1c4bbc2c41