[INFO] cloning repository https://github.com/Lyr-7D1h/randomness_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lyr-7D1h/randomness_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyr-7D1h%2Frandomness_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyr-7D1h%2Frandomness_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90cb785f329229fcd166ad016cd33ccf15011464
[INFO] checking Lyr-7D1h/randomness_test against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyr-7D1h%2Frandomness_test" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lyr-7D1h/randomness_test on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lyr-7D1h/randomness_test
[INFO] finished tweaking git repo https://github.com/Lyr-7D1h/randomness_test
[INFO] tweaked toml for git repo https://github.com/Lyr-7D1h/randomness_test written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Lyr-7D1h/randomness_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", 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] 8f40f6e505b37e0ea073594351b90ebbc184b51bf9fa205e223fe9f595445e23
[INFO] running `Command { std: "docker" "start" "-a" "8f40f6e505b37e0ea073594351b90ebbc184b51bf9fa205e223fe9f595445e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f40f6e505b37e0ea073594351b90ebbc184b51bf9fa205e223fe9f595445e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f40f6e505b37e0ea073594351b90ebbc184b51bf9fa205e223fe9f595445e23", kill_on_drop: false }`
[INFO] [stdout] 8f40f6e505b37e0ea073594351b90ebbc184b51bf9fa205e223fe9f595445e23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3db257cfe40397f728d4d46ea39a5efdca8a0a70905cc877dcb83bf9343c1d9b
[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" "3db257cfe40397f728d4d46ea39a5efdca8a0a70905cc877dcb83bf9343c1d9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking bytemuck v1.5.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking font-kit v0.7.1
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking image v0.23.12
[INFO] [stderr]     Checking plotters-bitmap v0.3.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking randomness_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rev`
[INFO] [stdout]  --> src/main.rs:5:36
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn print_count(count: &Vec<usize>, rev: usize) {
[INFO] [stdout]   |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_rev`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rev`
[INFO] [stdout]  --> src/main.rs:5:36
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn print_count(count: &Vec<usize>, rev: usize) {
[INFO] [stdout]   |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_rev`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.03s
[INFO] running `Command { std: "docker" "inspect" "3db257cfe40397f728d4d46ea39a5efdca8a0a70905cc877dcb83bf9343c1d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db257cfe40397f728d4d46ea39a5efdca8a0a70905cc877dcb83bf9343c1d9b", kill_on_drop: false }`
[INFO] [stdout] 3db257cfe40397f728d4d46ea39a5efdca8a0a70905cc877dcb83bf9343c1d9b