[INFO] fetching crate finite_repr_derive 0.1.4...
[INFO] testing finite_repr_derive-0.1.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate finite_repr_derive 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate finite_repr_derive 0.1.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate finite_repr_derive 0.1.4
[INFO] tweaked toml for crates.io crate finite_repr_derive 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate finite_repr_derive 0.1.4 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 30 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 47a6f2387f25c0eda4eff93d6506548c54f5e1fff2ed3c4dcd86e770d9919e6b
[INFO] running `Command { std: "docker" "start" "-a" "47a6f2387f25c0eda4eff93d6506548c54f5e1fff2ed3c4dcd86e770d9919e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47a6f2387f25c0eda4eff93d6506548c54f5e1fff2ed3c4dcd86e770d9919e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a6f2387f25c0eda4eff93d6506548c54f5e1fff2ed3c4dcd86e770d9919e6b", kill_on_drop: false }`
[INFO] [stdout] 47a6f2387f25c0eda4eff93d6506548c54f5e1fff2ed3c4dcd86e770d9919e6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 06800dee61ad64baeb5e0adda34a96771db44314257be04e949c86ed8cc59563
[INFO] running `Command { std: "docker" "start" "-a" "06800dee61ad64baeb5e0adda34a96771db44314257be04e949c86ed8cc59563", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling finite_repr_derive v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `GetSpan` is never used
[INFO] [stdout]  --> src/impl_error.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait GetSpan {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "06800dee61ad64baeb5e0adda34a96771db44314257be04e949c86ed8cc59563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06800dee61ad64baeb5e0adda34a96771db44314257be04e949c86ed8cc59563", kill_on_drop: false }`
[INFO] [stdout] 06800dee61ad64baeb5e0adda34a96771db44314257be04e949c86ed8cc59563
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 848dfad04810710a2813d21c37201cb8e141dc20e7cb08458bce1ed8d23fd76e
[INFO] running `Command { std: "docker" "start" "-a" "848dfad04810710a2813d21c37201cb8e141dc20e7cb08458bce1ed8d23fd76e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]    Compiling winnow v1.0.1
[INFO] [stderr]    Compiling toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling toml v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling finite_repr_derive v0.1.4
[INFO] [stderr]    Compiling finite_repr_derive v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `GetSpan` is never used
[INFO] [stdout]  --> src/impl_error.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait GetSpan {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling finite_repr v0.1.4
[INFO] [stderr]    Compiling trybuild v1.0.116
[INFO] [stdout] warning: trait `GetSpan` is never used
[INFO] [stdout]  --> src/impl_error.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait GetSpan {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `Command { std: "docker" "inspect" "848dfad04810710a2813d21c37201cb8e141dc20e7cb08458bce1ed8d23fd76e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "848dfad04810710a2813d21c37201cb8e141dc20e7cb08458bce1ed8d23fd76e", kill_on_drop: false }`
[INFO] [stdout] 848dfad04810710a2813d21c37201cb8e141dc20e7cb08458bce1ed8d23fd76e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b9abff6592c201359ebe88c49e1751e43b7d68eb99ce1b3d87f2bbd3e794d8b2
[INFO] running `Command { std: "docker" "start" "-a" "b9abff6592c201359ebe88c49e1751e43b7d68eb99ce1b3d87f2bbd3e794d8b2", kill_on_drop: false }`
[INFO] [stderr] warning: trait `GetSpan` is never used
[INFO] [stderr]  --> src/impl_error.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait GetSpan {
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `finite_repr_derive` (lib) generated 1 warning
[INFO] [stderr] warning: `finite_repr_derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/finite_repr_derive-f652c4e6a0b8e54e)
[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] [stderr]      Running tests/test_derive_decoding.rs (/opt/rustwide/target/debug/deps/test_derive_decoding-c9daba8db990412f)
[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] [stderr]      Running tests/test_derive_encoding.rs (/opt/rustwide/target/debug/deps/test_derive_encoding-d3b2bb7362c5d9c3)
[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] [stderr]      Running tests/test_derive_repr.rs (/opt/rustwide/target/debug/deps/test_derive_repr-13b239f1876bcf32)
[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] [stderr]      Running tests/test_isomorphism.rs (/opt/rustwide/target/debug/deps/test_isomorphism-2fe00c45435e0440)
[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] [stderr]      Running tests/init.rs (/opt/rustwide/target/debug/deps/tests-e95daf9749b8822e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling finite_repr_derive v0.1.4
[INFO] [stderr]    Compiling finite_repr_derive v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait `GetSpan` is never used
[INFO] [stderr]  --> /opt/rustwide/workdir/src/impl_error.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait GetSpan {
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr]    Compiling finite_repr v0.1.4
[INFO] [stderr] warning: `finite_repr_derive` (lib) generated 1 warning
[INFO] [stderr]    Compiling finite_repr_derive-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/finite_repr_derive)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.12s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/test_derive_repr.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] STDERR:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] warning: trait `GetSpan` is never used
[INFO] [stderr]  --> /opt/rustwide/workdir/src/impl_error.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait GetSpan {
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] test tests/test_derive_encoding.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] STDERR:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] warning: trait `GetSpan` is never used
[INFO] [stderr]  --> /opt/rustwide/workdir/src/impl_error.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait GetSpan {
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] test tests/test_derive_decoding.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] STDERR:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] warning: trait `GetSpan` is never used
[INFO] [stderr]  --> /opt/rustwide/workdir/src/impl_error.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait GetSpan {
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] test tests/test_isomorphism.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] STDERR:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] warning: trait `GetSpan` is never used
[INFO] [stdout] test tests ... ok
[INFO] [stderr]  --> /opt/rustwide/workdir/src/impl_error.rs:1:11
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.09s
[INFO] [stderr] 1 | pub trait GetSpan {
[INFO] [stdout] 
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]    Doc-tests finite_repr_derive
[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" "b9abff6592c201359ebe88c49e1751e43b7d68eb99ce1b3d87f2bbd3e794d8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9abff6592c201359ebe88c49e1751e43b7d68eb99ce1b3d87f2bbd3e794d8b2", kill_on_drop: false }`
[INFO] [stdout] b9abff6592c201359ebe88c49e1751e43b7d68eb99ce1b3d87f2bbd3e794d8b2