[INFO] crate blake2b-ref 0.1.0 is already in cache
[INFO] checking blake2b-ref-0.1.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate blake2b-ref 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate blake2b-ref 0.1.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate blake2b-ref 0.1.0
[INFO] finished tweaking crates.io crate blake2b-ref 0.1.0
[INFO] tweaked toml for crates.io crate blake2b-ref 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] ede2ebfa53ffac2a49bd1b00d3abaf78bdf0461d4800c385fa33ebdefa9e8443
[INFO] running `"docker" "start" "-a" "ede2ebfa53ffac2a49bd1b00d3abaf78bdf0461d4800c385fa33ebdefa9e8443"`
[INFO] [stderr]     Checking faster-hex v0.4.1
[INFO] [stderr]     Checking blake2b-ref v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/blake2b_ref.rs:88:7
[INFO] [stderr]    |
[INFO] [stderr] 88 |     v.fill(0, n);
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/blake2b_ref.rs:425:10
[INFO] [stderr]     |
[INFO] [stderr] 425 |         .fill(0, ::core::mem::size_of::<[uint8_t; 14]>());
[INFO] [stderr]     |          ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/blake2b_ref.rs:428:10
[INFO] [stderr]     |
[INFO] [stderr] 428 |         .fill(0, ::core::mem::size_of::<[uint8_t; 16]>());
[INFO] [stderr]     |          ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/blake2b_ref.rs:431:10
[INFO] [stderr]     |
[INFO] [stderr] 431 |         .fill(0, ::core::mem::size_of::<[uint8_t; 16]>());
[INFO] [stderr]     |          ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/blake2b_ref.rs:482:10
[INFO] [stderr]     |
[INFO] [stderr] 482 |         .fill(0, ::core::mem::size_of::<[uint8_t; 14]>());
[INFO] [stderr]     |          ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/blake2b_ref.rs:485:10
[INFO] [stderr]     |
[INFO] [stderr] 485 |         .fill(0, ::core::mem::size_of::<[uint8_t; 16]>());
[INFO] [stderr]     |          ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/blake2b_ref.rs:488:10
[INFO] [stderr]     |
[INFO] [stderr] 488 |         .fill(0, ::core::mem::size_of::<[uint8_t; 16]>());
[INFO] [stderr]     |          ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]     --> src/blake2b_ref.rs:3950:38
[INFO] [stderr]      |
[INFO] [stderr] 3950 |     (*S).buf[(*S).buflen as usize..].fill(
[INFO] [stderr]      |                                      ^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]      = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]      = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/blake2b_ref.rs:88:7
[INFO] [stderr]    |
[INFO] [stderr] 88 |     v.fill(0, n);
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/blake2b_ref.rs:425:10
[INFO] [stderr]     |
[INFO] [stderr] 425 |         .fill(0, ::core::mem::size_of::<[uint8_t; 14]>());
[INFO] [stderr]     |          ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/blake2b_ref.rs:428:10
[INFO] [stderr]     |
[INFO] [stderr] 428 |         .fill(0, ::core::mem::size_of::<[uint8_t; 16]>());
[INFO] [stderr]     |          ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/blake2b_ref.rs:431:10
[INFO] [stderr]     |
[INFO] [stderr] 431 |         .fill(0, ::core::mem::size_of::<[uint8_t; 16]>());
[INFO] [stderr]     |          ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/blake2b_ref.rs:482:10
[INFO] [stderr]     |
[INFO] [stderr] 482 |         .fill(0, ::core::mem::size_of::<[uint8_t; 14]>());
[INFO] [stderr]     |          ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/blake2b_ref.rs:485:10
[INFO] [stderr]     |
[INFO] [stderr] 485 |         .fill(0, ::core::mem::size_of::<[uint8_t; 16]>());
[INFO] [stderr]     |          ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/blake2b_ref.rs:488:10
[INFO] [stderr]     |
[INFO] [stderr] 488 |         .fill(0, ::core::mem::size_of::<[uint8_t; 16]>());
[INFO] [stderr]     |          ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]     --> src/blake2b_ref.rs:3950:38
[INFO] [stderr]      |
[INFO] [stderr] 3950 |     (*S).buf[(*S).buflen as usize..].fill(
[INFO] [stderr]      |                                      ^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]      = help: call with fully qualified syntax `Fill::fill(...)` to keep using the current method
[INFO] [stderr]      = help: add `#![feature(slice_fill)]` to the crate attributes to enable `core::slice::<impl [T]>::fill`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "ede2ebfa53ffac2a49bd1b00d3abaf78bdf0461d4800c385fa33ebdefa9e8443"`
[INFO] running `"docker" "rm" "-f" "ede2ebfa53ffac2a49bd1b00d3abaf78bdf0461d4800c385fa33ebdefa9e8443"`
[INFO] [stdout] ede2ebfa53ffac2a49bd1b00d3abaf78bdf0461d4800c385fa33ebdefa9e8443
