[INFO] cloning repository https://github.com/fpindia/pass-the-butter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fpindia/pass-the-butter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffpindia%2Fpass-the-butter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffpindia%2Fpass-the-butter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 635569198d261ff8513c6325348f59b01a474d90
[INFO] testing fpindia/pass-the-butter 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%2Ffpindia%2Fpass-the-butter" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fpindia/pass-the-butter
[INFO] finished tweaking git repo https://github.com/fpindia/pass-the-butter
[INFO] tweaked toml for git repo https://github.com/fpindia/pass-the-butter written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fpindia/pass-the-butter 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/fpindia/pass-the-butter 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kqueue-sys v1.0.4
[INFO] [stderr]   Downloaded fsevent-sys v4.1.0
[INFO] [stderr]   Downloaded inotify-sys v0.1.5
[INFO] [stderr]   Downloaded fastrand v2.0.2
[INFO] [stderr]   Downloaded notify v5.2.0
[INFO] [stderr]   Downloaded kqueue v1.0.8
[INFO] [stderr]   Downloaded filetime v0.2.23
[INFO] [stderr]   Downloaded notify-debouncer-mini v0.2.1
[INFO] [stderr]   Downloaded inotify v0.9.6
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.12
[INFO] [stderr]   Downloaded rustix v0.38.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3bfd7cf12abe5a7dce47a4780054d2ce03c119c43e50ae9354df44993b4c455d
[INFO] running `Command { std: "docker" "start" "-a" "3bfd7cf12abe5a7dce47a4780054d2ce03c119c43e50ae9354df44993b4c455d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bfd7cf12abe5a7dce47a4780054d2ce03c119c43e50ae9354df44993b4c455d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bfd7cf12abe5a7dce47a4780054d2ce03c119c43e50ae9354df44993b4c455d", kill_on_drop: false }`
[INFO] [stdout] 3bfd7cf12abe5a7dce47a4780054d2ce03c119c43e50ae9354df44993b4c455d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0c3cc24b71ec419726bcebeb10fca4ecbf7534a9d4ff7aff71c90692dad0332e
[INFO] running `Command { std: "docker" "start" "-a" "0c3cc24b71ec419726bcebeb10fca4ecbf7534a9d4ff7aff71c90692dad0332e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling notify v5.2.0
[INFO] [stderr]    Compiling notify-debouncer-mini v0.2.1
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling pass-the-butter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `debouncer`
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let debouncer = start_watch(
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_debouncer`
[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 8.54s
[INFO] running `Command { std: "docker" "inspect" "0c3cc24b71ec419726bcebeb10fca4ecbf7534a9d4ff7aff71c90692dad0332e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3cc24b71ec419726bcebeb10fca4ecbf7534a9d4ff7aff71c90692dad0332e", kill_on_drop: false }`
[INFO] [stdout] 0c3cc24b71ec419726bcebeb10fca4ecbf7534a9d4ff7aff71c90692dad0332e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2accef868c7522d83af8d2d2e9256debcb9bfa6468417925f3e51bc45eff01f9
[INFO] running `Command { std: "docker" "start" "-a" "2accef868c7522d83af8d2d2e9256debcb9bfa6468417925f3e51bc45eff01f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling pass-the-butter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `debouncer`
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let debouncer = start_watch(
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_debouncer`
[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 0.45s
[INFO] running `Command { std: "docker" "inspect" "2accef868c7522d83af8d2d2e9256debcb9bfa6468417925f3e51bc45eff01f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2accef868c7522d83af8d2d2e9256debcb9bfa6468417925f3e51bc45eff01f9", kill_on_drop: false }`
[INFO] [stdout] 2accef868c7522d83af8d2d2e9256debcb9bfa6468417925f3e51bc45eff01f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0a750825ba7071883905530aca63244a1736fbf8f6bb057d647df5c2dd0f313d
[INFO] running `Command { std: "docker" "start" "-a" "0a750825ba7071883905530aca63244a1736fbf8f6bb057d647df5c2dd0f313d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `debouncer`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let debouncer = start_watch(
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_debouncer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pass-the-butter` (bin "pass-the-butter" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/pass_the_butter-052cb22293f50c98)
[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" "0a750825ba7071883905530aca63244a1736fbf8f6bb057d647df5c2dd0f313d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a750825ba7071883905530aca63244a1736fbf8f6bb057d647df5c2dd0f313d", kill_on_drop: false }`
[INFO] [stdout] 0a750825ba7071883905530aca63244a1736fbf8f6bb057d647df5c2dd0f313d