[INFO] cloning repository https://github.com/vidacalura/randm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vidacalura/randm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidacalura%2Frandm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidacalura%2Frandm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10c0ef79c166a45a0d4527d2513eba9828846126
[INFO] testing vidacalura/randm against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidacalura%2Frandm" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vidacalura/randm
[INFO] finished tweaking git repo https://github.com/vidacalura/randm
[INFO] tweaked toml for git repo https://github.com/vidacalura/randm written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vidacalura/randm 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/vidacalura/randm 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 00a751c4b4c7e2d2c9102c7400e42d851ea60b25529084afa270237a99aaf01b
[INFO] running `Command { std: "docker" "start" "-a" "00a751c4b4c7e2d2c9102c7400e42d851ea60b25529084afa270237a99aaf01b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00a751c4b4c7e2d2c9102c7400e42d851ea60b25529084afa270237a99aaf01b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00a751c4b4c7e2d2c9102c7400e42d851ea60b25529084afa270237a99aaf01b", kill_on_drop: false }`
[INFO] [stdout] 00a751c4b4c7e2d2c9102c7400e42d851ea60b25529084afa270237a99aaf01b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fe9f7991cf2f48c7a38a29140b5130b8707f97f3cb7bf45b16e1709686d7fbe0
[INFO] running `Command { std: "docker" "start" "-a" "fe9f7991cf2f48c7a38a29140b5130b8707f97f3cb7bf45b16e1709686d7fbe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling randm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]    --> src/main.rs:114:79
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let arq_tamanho = arq_tipo.char_indices().rev().nth(4-1).map_or(0, |(idx, ch)| idx);
[INFO] [stdout]     |                                                                               ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]    --> src/bin/mpv.rs:114:79
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let arq_tamanho = arq_tipo.char_indices().rev().nth(4-1).map_or(0, |(idx, ch)| idx);
[INFO] [stdout]     |                                                                               ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "fe9f7991cf2f48c7a38a29140b5130b8707f97f3cb7bf45b16e1709686d7fbe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9f7991cf2f48c7a38a29140b5130b8707f97f3cb7bf45b16e1709686d7fbe0", kill_on_drop: false }`
[INFO] [stdout] fe9f7991cf2f48c7a38a29140b5130b8707f97f3cb7bf45b16e1709686d7fbe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 713a2d2ff95cb2d018895ed84c98d2874d5cb1aac76b2a3814b4022e6817be00
[INFO] running `Command { std: "docker" "start" "-a" "713a2d2ff95cb2d018895ed84c98d2874d5cb1aac76b2a3814b4022e6817be00", kill_on_drop: false }`
[INFO] [stderr]    Compiling randm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]    --> src/bin/mpv.rs:114:79
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let arq_tamanho = arq_tipo.char_indices().rev().nth(4-1).map_or(0, |(idx, ch)| idx);
[INFO] [stdout]     |                                                                               ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]    --> src/main.rs:114:79
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let arq_tamanho = arq_tipo.char_indices().rev().nth(4-1).map_or(0, |(idx, ch)| idx);
[INFO] [stdout]     |                                                                               ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "713a2d2ff95cb2d018895ed84c98d2874d5cb1aac76b2a3814b4022e6817be00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "713a2d2ff95cb2d018895ed84c98d2874d5cb1aac76b2a3814b4022e6817be00", kill_on_drop: false }`
[INFO] [stdout] 713a2d2ff95cb2d018895ed84c98d2874d5cb1aac76b2a3814b4022e6817be00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b19a8fb081c74ec3628597a31bc7a06dcc1cc61b5e2363ad0bcc557a727b6c96
[INFO] running `Command { std: "docker" "start" "-a" "b19a8fb081c74ec3628597a31bc7a06dcc1cc61b5e2363ad0bcc557a727b6c96", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `ch`
[INFO] [stderr]    --> src/bin/mpv.rs:114:79
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let arq_tamanho = arq_tipo.char_indices().rev().nth(4-1).map_or(0, |(idx, ch)| idx);
[INFO] [stderr]     |                                                                               ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ch`
[INFO] [stderr]    --> src/main.rs:114:79
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let arq_tamanho = arq_tipo.char_indices().rev().nth(4-1).map_or(0, |(idx, ch)| idx);
[INFO] [stderr]     |                                                                               ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `randm` (bin "mpv" test) generated 1 warning
[INFO] [stderr] warning: `randm` (bin "randm" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/bin/mpv.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mpv-de5d38900a579a26)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/randm-acd8b0a05b48ba5b)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b19a8fb081c74ec3628597a31bc7a06dcc1cc61b5e2363ad0bcc557a727b6c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19a8fb081c74ec3628597a31bc7a06dcc1cc61b5e2363ad0bcc557a727b6c96", kill_on_drop: false }`
[INFO] [stdout] b19a8fb081c74ec3628597a31bc7a06dcc1cc61b5e2363ad0bcc557a727b6c96