[INFO] fetching crate fmt-derive 0.1.2...
[INFO] testing fmt-derive-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate fmt-derive 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate fmt-derive 0.1.2
[INFO] finished tweaking crates.io crate fmt-derive 0.1.2
[INFO] tweaked toml for crates.io crate fmt-derive 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fmt-derive 0.1.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85bf8d403b16629429627ba394a9b24f73ceb7b80129f2f66ae38a44bf58a32d
[INFO] running `Command { std: "docker" "start" "-a" "85bf8d403b16629429627ba394a9b24f73ceb7b80129f2f66ae38a44bf58a32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85bf8d403b16629429627ba394a9b24f73ceb7b80129f2f66ae38a44bf58a32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85bf8d403b16629429627ba394a9b24f73ceb7b80129f2f66ae38a44bf58a32d", kill_on_drop: false }`
[INFO] [stdout] 85bf8d403b16629429627ba394a9b24f73ceb7b80129f2f66ae38a44bf58a32d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2be9d4b962b830d3eedc0b5345625b08d576af09c804da6874af613c460e4740
[INFO] running `Command { std: "docker" "start" "-a" "2be9d4b962b830d3eedc0b5345625b08d576af09c804da6874af613c460e4740", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling winnow v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling toml_edit v0.25.11+spec-1.1.0
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]    Compiling fmt-derive-proc v0.1.2
[INFO] [stderr]    Compiling fmt-derive v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `Command { std: "docker" "inspect" "2be9d4b962b830d3eedc0b5345625b08d576af09c804da6874af613c460e4740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be9d4b962b830d3eedc0b5345625b08d576af09c804da6874af613c460e4740", kill_on_drop: false }`
[INFO] [stdout] 2be9d4b962b830d3eedc0b5345625b08d576af09c804da6874af613c460e4740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e46c612b42da44ce5a8b0120dbe0a08993e049f628307e2804a8dd29109c5cc
[INFO] running `Command { std: "docker" "start" "-a" "8e46c612b42da44ce5a8b0120dbe0a08993e049f628307e2804a8dd29109c5cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling fmt-derive v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `float` is never read
[INFO] [stdout]  --> src/test/basic_union.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub union UnionDebug {
[INFO] [stdout]   |               ---------- field in this union
[INFO] [stdout] 8 |         pub unsigned: u32,
[INFO] [stdout] 9 |         pub float: f32,
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `float` is never read
[INFO] [stdout]   --> src/test/basic_union.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub union UnionDisplay {
[INFO] [stdout]    |               ------------ field in this union
[INFO] [stdout] 14 |         pub unsigned: u32,
[INFO] [stdout] 15 |         pub float: f32,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "8e46c612b42da44ce5a8b0120dbe0a08993e049f628307e2804a8dd29109c5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e46c612b42da44ce5a8b0120dbe0a08993e049f628307e2804a8dd29109c5cc", kill_on_drop: false }`
[INFO] [stdout] 8e46c612b42da44ce5a8b0120dbe0a08993e049f628307e2804a8dd29109c5cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 552077e1253bff20d531e4f45b3b40047e18e8e577e8be628f0eb86bdb249986
[INFO] running `Command { std: "docker" "start" "-a" "552077e1253bff20d531e4f45b3b40047e18e8e577e8be628f0eb86bdb249986", kill_on_drop: false }`
[INFO] [stderr] warning: field `float` is never read
[INFO] [stderr]  --> src/test/basic_union.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub union UnionDebug {
[INFO] [stderr]   |               ---------- field in this union
[INFO] [stderr] 8 |         pub unsigned: u32,
[INFO] [stderr] 9 |         pub float: f32,
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `float` is never read
[INFO] [stderr]   --> src/test/basic_union.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub union UnionDisplay {
[INFO] [stderr]    |               ------------ field in this union
[INFO] [stderr] 14 |         pub unsigned: u32,
[INFO] [stderr] 15 |         pub float: f32,
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fmt-derive` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fmt_derive-de3877a95b49abba)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stderr]    Doc-tests fmt_derive
[INFO] [stdout] test test::basic_enum::struct_variant_test ... ok
[INFO] [stdout] test test::basic_enum::unit_variant_test ... ok
[INFO] [stdout] test test::basic_enum::tuple_variant_test ... ok
[INFO] [stdout] test test::basic_union::union_test ... ok
[INFO] [stdout] test test::generics::test_b ... ok
[INFO] [stdout] test test::basic_struct::tuple_struct_test ... ok
[INFO] [stdout] test test::basic_struct::unit_struct_test ... ok
[INFO] [stdout] test test::custom_fmt_enum::struct_variant_test ... ok
[INFO] [stdout] test test::custom_fmt_enum::tuple_variant_test ... ok
[INFO] [stdout] test test::generics::test_a ... ok
[INFO] [stdout] test test::basic_struct::struct_test ... ok
[INFO] [stdout] test test::ignored_field::struct_test ... ok
[INFO] [stdout] test test::ignored_field::tuple_struct_test ... ok
[INFO] [stdout] test test::generics::test_c ... ok
[INFO] [stdout] test test::ignored_field::not_unit_test ... ok
[INFO] [stdout] test test::readme::main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 37) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 46) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 142) ... ok
[INFO] [stdout] test src/lib.rs - (line 100) ... ok
[INFO] [stdout] test src/lib.rs - (line 126) ... ok
[INFO] [stdout] test src/lib.rs - (line 82) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - (line 57) ... ok
[INFO] [stdout] test src/lib.rs - shadowed_reexport_trick (line 171) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "552077e1253bff20d531e4f45b3b40047e18e8e577e8be628f0eb86bdb249986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552077e1253bff20d531e4f45b3b40047e18e8e577e8be628f0eb86bdb249986", kill_on_drop: false }`
[INFO] [stdout] 552077e1253bff20d531e4f45b3b40047e18e8e577e8be628f0eb86bdb249986