[INFO] fetching crate crabkeyduck 0.1.0...
[INFO] testing crabkeyduck-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate crabkeyduck 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate crabkeyduck 0.1.0
[INFO] finished tweaking crates.io crate crabkeyduck 0.1.0
[INFO] tweaked toml for crates.io crate crabkeyduck 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate crabkeyduck 0.1.0 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] 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-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] 25ad2751fe5e1e2cd3bce34acd966a27d0bd16e2b6f338160d47e788caa19239
[INFO] running `Command { std: "docker" "start" "-a" "25ad2751fe5e1e2cd3bce34acd966a27d0bd16e2b6f338160d47e788caa19239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25ad2751fe5e1e2cd3bce34acd966a27d0bd16e2b6f338160d47e788caa19239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ad2751fe5e1e2cd3bce34acd966a27d0bd16e2b6f338160d47e788caa19239", kill_on_drop: false }`
[INFO] [stdout] 25ad2751fe5e1e2cd3bce34acd966a27d0bd16e2b6f338160d47e788caa19239
[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] 24b85f3e21a88e3eb82c9aa611f33fae726ac7e947872721fa3c834cb2b48592
[INFO] running `Command { std: "docker" "start" "-a" "24b85f3e21a88e3eb82c9aa611f33fae726ac7e947872721fa3c834cb2b48592", kill_on_drop: false }`
[INFO] [stderr]    Compiling crabkeyduck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ParsedDocument` is never constructed
[INFO] [stdout]  --> src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct ParsedDocument<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParsedDocument` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockElement` is never constructed
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BlockElement<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BlockElement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BlockContent` is never used
[INFO] [stdout]   --> src/lib.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum BlockContent<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BlockContent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InlineElement` is never used
[INFO] [stdout]   --> src/lib.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum InlineElement<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InlineElement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attributes` is never constructed
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Attributes<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Attributes` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "24b85f3e21a88e3eb82c9aa611f33fae726ac7e947872721fa3c834cb2b48592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b85f3e21a88e3eb82c9aa611f33fae726ac7e947872721fa3c834cb2b48592", kill_on_drop: false }`
[INFO] [stdout] 24b85f3e21a88e3eb82c9aa611f33fae726ac7e947872721fa3c834cb2b48592
[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] f44c7848989b89268ed7c7c13ceba129e3ba33ea827c28d1ae7d92426daab17f
[INFO] running `Command { std: "docker" "start" "-a" "f44c7848989b89268ed7c7c13ceba129e3ba33ea827c28d1ae7d92426daab17f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crabkeyduck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ParsedDocument` is never constructed
[INFO] [stdout]  --> src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct ParsedDocument<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParsedDocument` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockElement` is never constructed
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BlockElement<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BlockElement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BlockContent` is never used
[INFO] [stdout]   --> src/lib.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum BlockContent<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BlockContent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InlineElement` is never used
[INFO] [stdout]   --> src/lib.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum InlineElement<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InlineElement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attributes` is never constructed
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Attributes<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Attributes` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParsedDocument` is never constructed
[INFO] [stdout]  --> src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct ParsedDocument<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParsedDocument` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockElement` is never constructed
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BlockElement<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BlockElement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BlockContent` is never used
[INFO] [stdout]   --> src/lib.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum BlockContent<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BlockContent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InlineElement` is never used
[INFO] [stdout]   --> src/lib.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum InlineElement<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InlineElement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attributes` is never constructed
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Attributes<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Attributes` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "f44c7848989b89268ed7c7c13ceba129e3ba33ea827c28d1ae7d92426daab17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44c7848989b89268ed7c7c13ceba129e3ba33ea827c28d1ae7d92426daab17f", kill_on_drop: false }`
[INFO] [stdout] f44c7848989b89268ed7c7c13ceba129e3ba33ea827c28d1ae7d92426daab17f
[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] 4b2c4972a3dc6a6c144d0a2d73b907948867b6596ad7784f8e9fbb8dfd55fb42
[INFO] running `Command { std: "docker" "start" "-a" "4b2c4972a3dc6a6c144d0a2d73b907948867b6596ad7784f8e9fbb8dfd55fb42", kill_on_drop: false }`
[INFO] [stderr] warning: struct `ParsedDocument` is never constructed
[INFO] [stderr]  --> src/lib.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct ParsedDocument<'a> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ParsedDocument` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: struct `BlockElement` is never constructed
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   --> src/lib.rs:11:8
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct BlockElement<'a> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BlockElement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: enum `BlockContent` is never used
[INFO] [stderr]   --> src/lib.rs:17:6
[INFO] [stderr]    |
[INFO] [stderr] 17 | enum BlockContent<'a> {
[INFO] [stderr]    |      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BlockContent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: enum `InlineElement` is never used
[INFO] [stderr]   --> src/lib.rs:22:6
[INFO] [stderr]    |
[INFO] [stderr] 22 | enum InlineElement<'a> {
[INFO] [stderr]    |      ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `InlineElement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Attributes` is never constructed
[INFO] [stderr]   --> src/lib.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct Attributes<'a> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Attributes` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `crabkeyduck` (lib) generated 5 warnings
[INFO] [stderr] warning: `crabkeyduck` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/crabkeyduck-ae8f5873a9b7b955)
[INFO] running `Command { std: "docker" "inspect" "4b2c4972a3dc6a6c144d0a2d73b907948867b6596ad7784f8e9fbb8dfd55fb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b2c4972a3dc6a6c144d0a2d73b907948867b6596ad7784f8e9fbb8dfd55fb42", kill_on_drop: false }`
[INFO] [stdout] 4b2c4972a3dc6a6c144d0a2d73b907948867b6596ad7784f8e9fbb8dfd55fb42