[INFO] fetching crate crndm 0.1.0...
[INFO] testing crndm-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate crndm 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate crndm 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crndm 0.1.0
[INFO] finished tweaking crates.io crate crndm 0.1.0
[INFO] tweaked toml for crates.io crate crndm 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate crndm 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1c169e5a1105237b9e7c1ff4db8c19a8625565cedefd38c2d6403c73fb2ddff
[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" "c1c169e5a1105237b9e7c1ff4db8c19a8625565cedefd38c2d6403c73fb2ddff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1c169e5a1105237b9e7c1ff4db8c19a8625565cedefd38c2d6403c73fb2ddff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c169e5a1105237b9e7c1ff4db8c19a8625565cedefd38c2d6403c73fb2ddff", kill_on_drop: false }`
[INFO] [stdout] c1c169e5a1105237b9e7c1ff4db8c19a8625565cedefd38c2d6403c73fb2ddff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f12f8d3cda8a4496ca44fd132b8a8050e72b9a50ebb26527ef7690f68cb928c9
[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" "f12f8d3cda8a4496ca44fd132b8a8050e72b9a50ebb26527ef7690f68cb928c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling term-painter v0.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.0
[INFO] [stderr]    Compiling crndm_derive v0.1.0
[INFO] [stderr]    Compiling crndm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 | #![feature(const_fn)]
[INFO] [stdout]     |            ^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | #![feature(const_generics)]
[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] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> src/ll.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     llvm_asm!("clflushopt ($0)" :: "r"(start as *const u8));
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]     --> src/alloc/alg/buddy.rs:900:34
[INFO] [stdout]      |
[INFO] [stdout] 900  |                         if !OPEN.compare_and_swap(false, true, Ordering::AcqRel) {
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1319 | crate::pool!(default);
[INFO] [stdout]      | --------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `crate::pool` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crndm` due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f12f8d3cda8a4496ca44fd132b8a8050e72b9a50ebb26527ef7690f68cb928c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12f8d3cda8a4496ca44fd132b8a8050e72b9a50ebb26527ef7690f68cb928c9", kill_on_drop: false }`
[INFO] [stdout] f12f8d3cda8a4496ca44fd132b8a8050e72b9a50ebb26527ef7690f68cb928c9