[INFO] fetching crate ssimd 0.1.0...
[INFO] checking ssimd-0.1.0 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate ssimd 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ssimd 0.1.0 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssimd 0.1.0
[INFO] finished tweaking crates.io crate ssimd 0.1.0
[INFO] tweaked toml for crates.io crate ssimd 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0422d3efc5ec5e127fd354c7a3d5bea10e3265113c78fe3ad4a47d0d6ca262dc
[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" "0422d3efc5ec5e127fd354c7a3d5bea10e3265113c78fe3ad4a47d0d6ca262dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0422d3efc5ec5e127fd354c7a3d5bea10e3265113c78fe3ad4a47d0d6ca262dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0422d3efc5ec5e127fd354c7a3d5bea10e3265113c78fe3ad4a47d0d6ca262dc", kill_on_drop: false }`
[INFO] [stdout] 0422d3efc5ec5e127fd354c7a3d5bea10e3265113c78fe3ad4a47d0d6ca262dc
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81c2ba4fe243ea64b9a7d13f89db7f06f8c8153b2165204b0696a3bb63c97037
[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" "81c2ba4fe243ea64b9a7d13f89db7f06f8c8153b2165204b0696a3bb63c97037", kill_on_drop: false }`
[INFO] [stderr]     Checking ssimd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:616:1
[INFO] [stdout]     |
[INFO] [stdout] 616 | /// Conversion among types
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:616:1
[INFO] [stdout]     |
[INFO] [stdout] 616 | /// Conversion among types
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `A` should have a snake case name
[INFO] [stdout]  --> examples/spectralnorm.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn A(i: usize, j: usize) -> f64 {
[INFO] [stdout]   |    ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mult_Av` should have a snake case name
[INFO] [stdout]   --> examples/spectralnorm.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn mult_Av(v: &[f64], out: &mut [f64]) {
[INFO] [stdout]    |    ^^^^^^^ help: convert the identifier to snake case: `mult_av`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mult_Atv` should have a snake case name
[INFO] [stdout]   --> examples/spectralnorm.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn mult_Atv(v: &[f64], out: &mut [f64]) {
[INFO] [stdout]    |    ^^^^^^^^ help: convert the identifier to snake case: `mult_atv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mult_AtAv` should have a snake case name
[INFO] [stdout]   --> examples/spectralnorm.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn mult_AtAv(v: &[f64], out: &mut [f64], tmp: &mut [f64]) {
[INFO] [stdout]    |    ^^^^^^^^^ help: convert the identifier to snake case: `mult_at_av`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "81c2ba4fe243ea64b9a7d13f89db7f06f8c8153b2165204b0696a3bb63c97037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c2ba4fe243ea64b9a7d13f89db7f06f8c8153b2165204b0696a3bb63c97037", kill_on_drop: false }`
[INFO] [stdout] 81c2ba4fe243ea64b9a7d13f89db7f06f8c8153b2165204b0696a3bb63c97037