[INFO] fetching crate cargo-x 0.3.6...
[INFO] testing cargo-x-0.3.6 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate cargo-x 0.3.6 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate cargo-x 0.3.6
[INFO] finished tweaking crates.io crate cargo-x 0.3.6
[INFO] tweaked toml for crates.io crate cargo-x 0.3.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-x 0.3.6 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[INFO] [stderr]       Adding dirs v1.0.5 (available: v6.0.0)
[INFO] [stderr]       Adding toml v0.4.10 (available: v0.8.23)
[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] bb83db99a59b6e9b8e4628dd74413110eddd7379030ef4c127f1a648d84917ee
[INFO] running `Command { std: "docker" "start" "-a" "bb83db99a59b6e9b8e4628dd74413110eddd7379030ef4c127f1a648d84917ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb83db99a59b6e9b8e4628dd74413110eddd7379030ef4c127f1a648d84917ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb83db99a59b6e9b8e4628dd74413110eddd7379030ef4c127f1a648d84917ee", kill_on_drop: false }`
[INFO] [stdout] bb83db99a59b6e9b8e4628dd74413110eddd7379030ef4c127f1a648d84917ee
[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] 46330c591d8f1ee1d3871270f632571af1242d5db7436d46ad7cb2c9cbd857dd
[INFO] running `Command { std: "docker" "start" "-a" "46330c591d8f1ee1d3871270f632571af1242d5db7436d46ad7cb2c9cbd857dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling cargo-x v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: fields `workspace_members` and `workspace_root` are never read
[INFO] [stdout]   --> src/meta.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Metadata {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 15 |     pub workspace_members: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     pub resolve: Resolve,
[INFO] [stdout] 17 |     pub workspace_root: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-x` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "46330c591d8f1ee1d3871270f632571af1242d5db7436d46ad7cb2c9cbd857dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46330c591d8f1ee1d3871270f632571af1242d5db7436d46ad7cb2c9cbd857dd", kill_on_drop: false }`
[INFO] [stdout] 46330c591d8f1ee1d3871270f632571af1242d5db7436d46ad7cb2c9cbd857dd