[INFO] crate finalfrontier 0.6.2 is already in cache
[INFO] checking finalfrontier-0.6.2 against try#d93021f5faa26e4f9d2719e79f9974e06aa40e17 for pr-71873
[INFO] extracting crate finalfrontier 0.6.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate finalfrontier 0.6.2 on toolchain d93021f5faa26e4f9d2719e79f9974e06aa40e17
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate finalfrontier 0.6.2
[INFO] finished tweaking crates.io crate finalfrontier 0.6.2
[INFO] tweaked toml for crates.io crate finalfrontier 0.6.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 25a20799ac643670f5b601a4dcd0c4fa769e04260de5617a461c9ecc90ce7c9b
[INFO] running `"docker" "start" "-a" "25a20799ac643670f5b601a4dcd0c4fa769e04260de5617a461c9ecc90ce7c9b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking lazy-init v0.3.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking conllx v0.11.2
[INFO] [stderr]     Checking zipf v5.0.1
[INFO] [stderr]     Checking ndarray-parallel v0.9.1
[INFO] [stderr]     Checking hogwild v0.6.1
[INFO] [stderr]     Checking ndarray-rand v0.9.0
[INFO] [stderr]     Checking reductive v0.2.0
[INFO] [stderr]     Checking finalfusion v0.7.1
[INFO] [stderr]     Checking finalfrontier v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deps.rs:125:14
[INFO] [stderr]     |
[INFO] [stderr] 125 |     ) -> Box<Iterator<Item = (usize, Dependency)> + 'a> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, Dependency)> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dep_trainer.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |     type Iter = Box<Iterator<Item = (usize, Vec<usize>)>>;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, Vec<usize>)>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deps.rs:125:14
[INFO] [stderr]     |
[INFO] [stderr] 125 |     ) -> Box<Iterator<Item = (usize, Dependency)> + 'a> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, Dependency)> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dep_trainer.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |     type Iter = Box<Iterator<Item = (usize, Vec<usize>)>>;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, Vec<usize>)>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/deps.rs:277:25
[INFO] [stderr]     |
[INFO] [stderr] 277 |                         mem::replace(form, normalized);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/deps.rs:281:25
[INFO] [stderr]     |
[INFO] [stderr] 281 |                         mem::replace(form, normalized);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/deps.rs:277:25
[INFO] [stderr]     |
[INFO] [stderr] 277 |                         mem::replace(form, normalized);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/deps.rs:281:25
[INFO] [stderr]     |
[INFO] [stderr] 281 |                         mem::replace(form, normalized);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.90s
[INFO] running `"docker" "inspect" "25a20799ac643670f5b601a4dcd0c4fa769e04260de5617a461c9ecc90ce7c9b"`
[INFO] running `"docker" "rm" "-f" "25a20799ac643670f5b601a4dcd0c4fa769e04260de5617a461c9ecc90ce7c9b"`
[INFO] [stdout] 25a20799ac643670f5b601a4dcd0c4fa769e04260de5617a461c9ecc90ce7c9b