[INFO] cloning repository https://github.com/vim-zz/genes-just-want-to-have-fun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vim-zz/genes-just-want-to-have-fun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvim-zz%2Fgenes-just-want-to-have-fun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvim-zz%2Fgenes-just-want-to-have-fun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c505e733f1cc634b35b1017f96e69fb0a709997e
[INFO] testing vim-zz/genes-just-want-to-have-fun against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvim-zz%2Fgenes-just-want-to-have-fun" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vim-zz/genes-just-want-to-have-fun
[INFO] finished tweaking git repo https://github.com/vim-zz/genes-just-want-to-have-fun
[INFO] tweaked toml for git repo https://github.com/vim-zz/genes-just-want-to-have-fun written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vim-zz/genes-just-want-to-have-fun on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vim-zz/genes-just-want-to-have-fun already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b029a545834626863d5b61f581f371eaaae6654847ad104a0a09895f2f476c3
[INFO] running `Command { std: "docker" "start" "-a" "2b029a545834626863d5b61f581f371eaaae6654847ad104a0a09895f2f476c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b029a545834626863d5b61f581f371eaaae6654847ad104a0a09895f2f476c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b029a545834626863d5b61f581f371eaaae6654847ad104a0a09895f2f476c3", kill_on_drop: false }`
[INFO] [stdout] 2b029a545834626863d5b61f581f371eaaae6654847ad104a0a09895f2f476c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c522a0577b9d628ba7654b8229fc781b6fb7408520952221ebe4e86abdb0669c
[INFO] running `Command { std: "docker" "start" "-a" "c522a0577b9d628ba7654b8229fc781b6fb7408520952221ebe4e86abdb0669c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling genes-just-want-to-have-fun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl Gene {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 143 |     fn new(ch: char) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `random` are never used
[INFO] [stdout]    --> src/main.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | impl Chromosome {
[INFO] [stdout]     | --------------- associated functions in this implementation
[INFO] [stdout] 166 |     fn new(genes: Vec<Gene>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn random(len: usize) -> Self {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "c522a0577b9d628ba7654b8229fc781b6fb7408520952221ebe4e86abdb0669c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c522a0577b9d628ba7654b8229fc781b6fb7408520952221ebe4e86abdb0669c", kill_on_drop: false }`
[INFO] [stdout] c522a0577b9d628ba7654b8229fc781b6fb7408520952221ebe4e86abdb0669c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 145dbcef041649b41226b8d2eb87ab387aea1854154fc9e46872609cf360c9ff
[INFO] running `Command { std: "docker" "start" "-a" "145dbcef041649b41226b8d2eb87ab387aea1854154fc9e46872609cf360c9ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling genes-just-want-to-have-fun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl Gene {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 143 |     fn new(ch: char) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | impl Chromosome {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 166 |     fn new(genes: Vec<Gene>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "145dbcef041649b41226b8d2eb87ab387aea1854154fc9e46872609cf360c9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "145dbcef041649b41226b8d2eb87ab387aea1854154fc9e46872609cf360c9ff", kill_on_drop: false }`
[INFO] [stdout] 145dbcef041649b41226b8d2eb87ab387aea1854154fc9e46872609cf360c9ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2f5648cacf1b2f580464c6fdc659611ef8a58a647007ff939b351021332039d6
[INFO] running `Command { std: "docker" "start" "-a" "2f5648cacf1b2f580464c6fdc659611ef8a58a647007ff939b351021332039d6", kill_on_drop: false }`
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/main.rs:143:8
[INFO] [stderr]     |
[INFO] [stderr] 142 | impl Gene {
[INFO] [stderr]     | --------- associated function in this implementation
[INFO] [stderr] 143 |     fn new(ch: char) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/main.rs:166:8
[INFO] [stderr]     |
[INFO] [stderr] 165 | impl Chromosome {
[INFO] [stderr]     | --------------- associated function in this implementation
[INFO] [stderr] 166 |     fn new(genes: Vec<Gene>) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `genes-just-want-to-have-fun` (bin "genes-just-want-to-have-fun" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/genes_just_want_to_have_fun-e2e62e53f2d8a389)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::chromosomes_are_eq_by_value ... ok
[INFO] [stdout] test tests::mutate_chromosome ... ok
[INFO] [stdout] test tests::random_chromosomes ... ok
[INFO] [stdout] test tests::sorted_chromosomes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f5648cacf1b2f580464c6fdc659611ef8a58a647007ff939b351021332039d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5648cacf1b2f580464c6fdc659611ef8a58a647007ff939b351021332039d6", kill_on_drop: false }`
[INFO] [stdout] 2f5648cacf1b2f580464c6fdc659611ef8a58a647007ff939b351021332039d6