[INFO] fetching crate attribution-macros 0.5.0...
[INFO] testing attribution-macros-0.5.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate attribution-macros 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate attribution-macros 0.5.0
[INFO] finished tweaking crates.io crate attribution-macros 0.5.0
[INFO] tweaked toml for crates.io crate attribution-macros 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate attribution-macros 0.5.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 757733120ca260d40c8b57192b1bf443a110cc5d46475d40f35e12cdb44b0169
[INFO] running `Command { std: "docker" "start" "-a" "757733120ca260d40c8b57192b1bf443a110cc5d46475d40f35e12cdb44b0169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "757733120ca260d40c8b57192b1bf443a110cc5d46475d40f35e12cdb44b0169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757733120ca260d40c8b57192b1bf443a110cc5d46475d40f35e12cdb44b0169", kill_on_drop: false }`
[INFO] [stdout] 757733120ca260d40c8b57192b1bf443a110cc5d46475d40f35e12cdb44b0169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7d640eab22a0c0ef8484e20b9e8f2111ad857f37f9b5ad3d727d56051930ba63
[INFO] running `Command { std: "docker" "start" "-a" "7d640eab22a0c0ef8484e20b9e8f2111ad857f37f9b5ad3d727d56051930ba63", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling attribution-macros v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "7d640eab22a0c0ef8484e20b9e8f2111ad857f37f9b5ad3d727d56051930ba63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d640eab22a0c0ef8484e20b9e8f2111ad857f37f9b5ad3d727d56051930ba63", kill_on_drop: false }`
[INFO] [stdout] 7d640eab22a0c0ef8484e20b9e8f2111ad857f37f9b5ad3d727d56051930ba63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 07e505bbe83d9d11491e2c02f4e02478a9323dba2279c3004a6920e0bc5076ab
[INFO] running `Command { std: "docker" "start" "-a" "07e505bbe83d9d11491e2c02f4e02478a9323dba2279c3004a6920e0bc5076ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling attribution-macros v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "07e505bbe83d9d11491e2c02f4e02478a9323dba2279c3004a6920e0bc5076ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e505bbe83d9d11491e2c02f4e02478a9323dba2279c3004a6920e0bc5076ab", kill_on_drop: false }`
[INFO] [stdout] 07e505bbe83d9d11491e2c02f4e02478a9323dba2279c3004a6920e0bc5076ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 70c565ab433bb06e272b503698eb44e43778419f233415580268dba18bb2f4a7
[INFO] running `Command { std: "docker" "start" "-a" "70c565ab433bb06e272b503698eb44e43778419f233415580268dba18bb2f4a7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/attribution_macros-18169fb2f22a1506)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test identifiers::tests::build_variant_parser_ident_test ... ok
[INFO] [stdout] test construction::tests::build_variant_constructor_test ... ok
[INFO] [stdout] test construction::tests::unnamed_constructor_body_test ... ok
[INFO] [stdout] test extraction::tests::build_unnamed_field_extractor_test ... ok
[INFO] [stdout] test identifiers::tests::build_unnamed_idents_test ... ok
[INFO] [stdout] test extraction::tests::build_named_field_extractor_test ... ok
[INFO] [stdout] test tests::impl_parse_for_struct_unnamed_struct_test ... ok
[INFO] [stdout] test construction::tests::named_constructor_body_test ... ok
[INFO] [stdout] test construction::tests::build_struct_constructor_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests attribution_macros
[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" "70c565ab433bb06e272b503698eb44e43778419f233415580268dba18bb2f4a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c565ab433bb06e272b503698eb44e43778419f233415580268dba18bb2f4a7", kill_on_drop: false }`
[INFO] [stdout] 70c565ab433bb06e272b503698eb44e43778419f233415580268dba18bb2f4a7