[INFO] cloning repository https://github.com/bzm3r/rust-simd-emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bzm3r/rust-simd-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbzm3r%2Frust-simd-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbzm3r%2Frust-simd-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa34b2996a37b723650d7ee255a2bd803fd7d2dd
[INFO] checking bzm3r/rust-simd-emu against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbzm3r%2Frust-simd-emu" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bzm3r/rust-simd-emu on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bzm3r/rust-simd-emu
[INFO] finished tweaking git repo https://github.com/bzm3r/rust-simd-emu
[INFO] tweaked toml for git repo https://github.com/bzm3r/rust-simd-emu written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/bzm3r/rust-simd-emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad69cff406dc1e9dfac8ac3ee33c48e3c210c45db0c7214622ed440216a1c5d5
[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" "ad69cff406dc1e9dfac8ac3ee33c48e3c210c45db0c7214622ed440216a1c5d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad69cff406dc1e9dfac8ac3ee33c48e3c210c45db0c7214622ed440216a1c5d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad69cff406dc1e9dfac8ac3ee33c48e3c210c45db0c7214622ed440216a1c5d5", kill_on_drop: false }`
[INFO] [stdout] ad69cff406dc1e9dfac8ac3ee33c48e3c210c45db0c7214622ed440216a1c5d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72efe3a02cfc10533ddcc40ea99a49f8aca6afb5fc77c425ed268506a4a7e929
[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" "72efe3a02cfc10533ddcc40ea99a49f8aca6afb5fc77c425ed268506a4a7e929", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rust-simd-emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/simd_emu.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let (c, mask) = if ((caller_tix & shift) == 0) {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/bitmat.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 .map(|(i, v)| shuffle_round(i as u32, &values, m, s)).enumerate() {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_random`
[INFO] [stdout]   --> src/bitmat.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new_random() -> BitMatrix {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_diagonal`
[INFO] [stdout]   --> src/bitmat.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new_diagonal() -> BitMatrix {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/simd_emu.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let (c, mask) = if ((caller_tix & shift) == 0) {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/bitmat.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 .map(|(i, v)| shuffle_round(i as u32, &values, m, s)).enumerate() {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_random`
[INFO] [stdout]   --> src/bitmat.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new_random() -> BitMatrix {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_diagonal`
[INFO] [stdout]   --> src/bitmat.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new_diagonal() -> BitMatrix {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "72efe3a02cfc10533ddcc40ea99a49f8aca6afb5fc77c425ed268506a4a7e929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72efe3a02cfc10533ddcc40ea99a49f8aca6afb5fc77c425ed268506a4a7e929", kill_on_drop: false }`
[INFO] [stdout] 72efe3a02cfc10533ddcc40ea99a49f8aca6afb5fc77c425ed268506a4a7e929