[INFO] fetching crate ssimd 0.1.0...
[INFO] testing ssimd-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ssimd 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ssimd 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5bbbe4ca1f58fd30868b028ab7c401065ac148342fc957bc142224985ac91e7
[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" "c5bbbe4ca1f58fd30868b028ab7c401065ac148342fc957bc142224985ac91e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5bbbe4ca1f58fd30868b028ab7c401065ac148342fc957bc142224985ac91e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bbbe4ca1f58fd30868b028ab7c401065ac148342fc957bc142224985ac91e7", kill_on_drop: false }`
[INFO] [stdout] c5bbbe4ca1f58fd30868b028ab7c401065ac148342fc957bc142224985ac91e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff28665c23d3213fe560f0cc9c1cb496cf0368fd34456593031b98dbbbbe5695
[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" "ff28665c23d3213fe560f0cc9c1cb496cf0368fd34456593031b98dbbbbe5695", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "ff28665c23d3213fe560f0cc9c1cb496cf0368fd34456593031b98dbbbbe5695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff28665c23d3213fe560f0cc9c1cb496cf0368fd34456593031b98dbbbbe5695", kill_on_drop: false }`
[INFO] [stdout] ff28665c23d3213fe560f0cc9c1cb496cf0368fd34456593031b98dbbbbe5695
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42cd568cfbd96355058b3cd146f90afdbd8db5409607d3f7d4681f4d0928eb90
[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" "42cd568cfbd96355058b3cd146f90afdbd8db5409607d3f7d4681f4d0928eb90", kill_on_drop: false }`
[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] [stderr]    Compiling ssimd v0.1.0 (/opt/rustwide/workdir)
[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: 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "42cd568cfbd96355058b3cd146f90afdbd8db5409607d3f7d4681f4d0928eb90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42cd568cfbd96355058b3cd146f90afdbd8db5409607d3f7d4681f4d0928eb90", kill_on_drop: false }`
[INFO] [stdout] 42cd568cfbd96355058b3cd146f90afdbd8db5409607d3f7d4681f4d0928eb90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffa8484df06753b073fbcc991a7cbdb50262df71745f2f70f4284af824b0bf98
[INFO] running `Command { std: "docker" "start" "-a" "ffa8484df06753b073fbcc991a7cbdb50262df71745f2f70f4284af824b0bf98", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/lib.rs:616:1
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 616 | /// Conversion among types
[INFO] [stdout] 
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:616:1
[INFO] [stderr]     |
[INFO] [stderr] 616 | /// Conversion among types
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function `A` should have a snake case name
[INFO] [stderr]  --> examples/spectralnorm.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn A(i: usize, j: usize) -> f64 {
[INFO] [stderr]   |    ^ help: convert the identifier to snake case: `a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `mult_Av` should have a snake case name
[INFO] [stderr]   --> examples/spectralnorm.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn mult_Av(v: &[f64], out: &mut [f64]) {
[INFO] [stderr]    |    ^^^^^^^ help: convert the identifier to snake case: `mult_av`
[INFO] [stderr] 
[INFO] [stderr] warning: function `mult_Atv` should have a snake case name
[INFO] [stderr]   --> examples/spectralnorm.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn mult_Atv(v: &[f64], out: &mut [f64]) {
[INFO] [stderr]    |    ^^^^^^^^ help: convert the identifier to snake case: `mult_atv`
[INFO] [stderr] 
[INFO] [stderr] warning: function `mult_AtAv` should have a snake case name
[INFO] [stderr]   --> examples/spectralnorm.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn mult_AtAv(v: &[f64], out: &mut [f64], tmp: &mut [f64]) {
[INFO] [stderr]    |    ^^^^^^^^^ help: convert the identifier to snake case: `mult_at_av`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ssimd-7518d54fd1607060
[INFO] [stderr]    Doc-tests ssimd
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ffa8484df06753b073fbcc991a7cbdb50262df71745f2f70f4284af824b0bf98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffa8484df06753b073fbcc991a7cbdb50262df71745f2f70f4284af824b0bf98", kill_on_drop: false }`
[INFO] [stdout] ffa8484df06753b073fbcc991a7cbdb50262df71745f2f70f4284af824b0bf98