[INFO] fetching crate interviewer 0.1.1...
[INFO] testing interviewer-0.1.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate interviewer 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate interviewer 0.1.1
[INFO] finished tweaking crates.io crate interviewer 0.1.1
[INFO] tweaked toml for crates.io crate interviewer 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate interviewer 0.1.1 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 crates.io crate interviewer 0.1.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded error-code v2.3.1
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded fd-lock v3.0.6
[INFO] [stderr]   Downloaded str-buf v1.0.6
[INFO] [stderr]   Downloaded thiserror v1.0.32
[INFO] [stderr]   Downloaded custom_error v1.9.2
[INFO] [stderr]   Downloaded io-lifetimes v0.7.2
[INFO] [stderr]   Downloaded clipboard-win v4.4.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.9.0
[INFO] [stderr]   Downloaded rustyline v10.0.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.32
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded nix v0.24.2
[INFO] [stderr]   Downloaded rustix v0.35.7
[INFO] [stderr]   Downloaded libc v0.2.127
[INFO] [stderr]   Downloaded num-bigfloat v1.3.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4666b94af3f45f559d72f0a609faa1115ac4fe64c676b56fcd832497bc40c2c4
[INFO] running `Command { std: "docker" "start" "-a" "4666b94af3f45f559d72f0a609faa1115ac4fe64c676b56fcd832497bc40c2c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4666b94af3f45f559d72f0a609faa1115ac4fe64c676b56fcd832497bc40c2c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4666b94af3f45f559d72f0a609faa1115ac4fe64c676b56fcd832497bc40c2c4", kill_on_drop: false }`
[INFO] [stdout] 4666b94af3f45f559d72f0a609faa1115ac4fe64c676b56fcd832497bc40c2c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3d186d34a2374fa6e7484ac35fe780a8e3cd76001301aadfea63fa293ab215be
[INFO] running `Command { std: "docker" "start" "-a" "3d186d34a2374fa6e7484ac35fe780a8e3cd76001301aadfea63fa293ab215be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling io-lifetimes v0.7.2
[INFO] [stderr]    Compiling rustix v0.35.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling linux-raw-sys v0.0.46
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling custom_error v1.9.2
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.24.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling fd-lock v3.0.6
[INFO] [stderr]    Compiling rustyline v10.0.0
[INFO] [stderr]    Compiling interviewer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `Command { std: "docker" "inspect" "3d186d34a2374fa6e7484ac35fe780a8e3cd76001301aadfea63fa293ab215be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d186d34a2374fa6e7484ac35fe780a8e3cd76001301aadfea63fa293ab215be", kill_on_drop: false }`
[INFO] [stdout] 3d186d34a2374fa6e7484ac35fe780a8e3cd76001301aadfea63fa293ab215be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 43e146ac1de8df6c21f0702357cdd0ba33224056fa38011bba39a129443041bc
[INFO] running `Command { std: "docker" "start" "-a" "43e146ac1de8df6c21f0702357cdd0ba33224056fa38011bba39a129443041bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling interviewer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/impl.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Single(f64);
[INFO] [stdout]   |        ------ ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `Single` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "43e146ac1de8df6c21f0702357cdd0ba33224056fa38011bba39a129443041bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43e146ac1de8df6c21f0702357cdd0ba33224056fa38011bba39a129443041bc", kill_on_drop: false }`
[INFO] [stdout] 43e146ac1de8df6c21f0702357cdd0ba33224056fa38011bba39a129443041bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 907736039feeb26c174c40a0b8981fe1bb5ffe27fa940893310e64cb804990c1
[INFO] running `Command { std: "docker" "start" "-a" "907736039feeb26c174c40a0b8981fe1bb5ffe27fa940893310e64cb804990c1", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/impl.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Single(f64);
[INFO] [stderr]   |        ------ ^^^
[INFO] [stderr]   |        |
[INFO] [stderr]   |        field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `Single` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `interviewer` (example "impl") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/interviewer-158c55c6148a61b7)
[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" "907736039feeb26c174c40a0b8981fe1bb5ffe27fa940893310e64cb804990c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907736039feeb26c174c40a0b8981fe1bb5ffe27fa940893310e64cb804990c1", kill_on_drop: false }`
[INFO] [stdout] 907736039feeb26c174c40a0b8981fe1bb5ffe27fa940893310e64cb804990c1