[INFO] fetching crate hidefix 0.5.2...
[INFO] testing hidefix-0.5.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate hidefix 0.5.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate hidefix 0.5.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hidefix 0.5.2
[INFO] finished tweaking crates.io crate hidefix 0.5.2
[INFO] tweaked toml for crates.io crate hidefix 0.5.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate hidefix 0.5.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b0d537f7a1e76aa9d62e3d21bedd2a32b93c64d467326573a6674fcc3fac12f
[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" "7b0d537f7a1e76aa9d62e3d21bedd2a32b93c64d467326573a6674fcc3fac12f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b0d537f7a1e76aa9d62e3d21bedd2a32b93c64d467326573a6674fcc3fac12f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0d537f7a1e76aa9d62e3d21bedd2a32b93c64d467326573a6674fcc3fac12f", kill_on_drop: false }`
[INFO] [stdout] 7b0d537f7a1e76aa9d62e3d21bedd2a32b93c64d467326573a6674fcc3fac12f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d44f00d8112bc03715bbb02d0be793d4e6ac0138f4ad8b1fafc3388b7f7a799e
[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" "d44f00d8112bc03715bbb02d0be793d4e6ac0138f4ad8b1fafc3388b7f7a799e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling hdf5 v0.7.1
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling libdeflate-sys v0.7.1
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling hdf5-src v0.7.1
[INFO] [stderr]    Compiling lru v0.6.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling hdf5-types v0.7.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling libdeflater v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling hdf5-sys v0.7.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling hdf5-derive v0.7.1
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling zerocopy v0.3.0
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling num_enum v0.5.1
[INFO] [stderr]    Compiling flexbuffers v0.2.1
[INFO] [stderr]    Compiling hidefix v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | #![feature(const_generics, fixed_size_array, cow_is_borrowed, array_methods)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[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 `hidefix` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d44f00d8112bc03715bbb02d0be793d4e6ac0138f4ad8b1fafc3388b7f7a799e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44f00d8112bc03715bbb02d0be793d4e6ac0138f4ad8b1fafc3388b7f7a799e", kill_on_drop: false }`
[INFO] [stdout] d44f00d8112bc03715bbb02d0be793d4e6ac0138f4ad8b1fafc3388b7f7a799e