[INFO] fetching crate finite_repr_derive 0.1.4...
[INFO] testing finite_repr_derive-0.1.4 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate finite_repr_derive 0.1.4 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate finite_repr_derive 0.1.4 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8596a54b8200d409d99c45a372cd51affc6f1c7d906ce1d137b29c771316edf
[INFO] running `Command { std: "docker" "start" "-a" "f8596a54b8200d409d99c45a372cd51affc6f1c7d906ce1d137b29c771316edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8596a54b8200d409d99c45a372cd51affc6f1c7d906ce1d137b29c771316edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8596a54b8200d409d99c45a372cd51affc6f1c7d906ce1d137b29c771316edf", kill_on_drop: false }`
[INFO] [stdout] f8596a54b8200d409d99c45a372cd51affc6f1c7d906ce1d137b29c771316edf
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 876cb2735317fcdcddd0fb79bcb4171f1b7083e7f92bc2429bdefc315f80b8a3
[INFO] running `Command { std: "docker" "start" "-a" "876cb2735317fcdcddd0fb79bcb4171f1b7083e7f92bc2429bdefc315f80b8a3", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "876cb2735317fcdcddd0fb79bcb4171f1b7083e7f92bc2429bdefc315f80b8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876cb2735317fcdcddd0fb79bcb4171f1b7083e7f92bc2429bdefc315f80b8a3", kill_on_drop: false }`
[INFO] [stdout] 876cb2735317fcdcddd0fb79bcb4171f1b7083e7f92bc2429bdefc315f80b8a3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e694c6a05608cea5ab7ef02b556ec940e829f5ada2e67823bb6c3f88b965458
[INFO] running `Command { std: "docker" "start" "-a" "3e694c6a05608cea5ab7ef02b556ec940e829f5ada2e67823bb6c3f88b965458", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling toml_writer v1.0.3
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling serde_spanned v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling toml v0.9.7
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling finite_repr v0.1.4
[INFO] [stderr]    Compiling trybuild v1.0.111
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.98s
[INFO] running `Command { std: "docker" "inspect" "3e694c6a05608cea5ab7ef02b556ec940e829f5ada2e67823bb6c3f88b965458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e694c6a05608cea5ab7ef02b556ec940e829f5ada2e67823bb6c3f88b965458", kill_on_drop: false }`
[INFO] [stdout] 3e694c6a05608cea5ab7ef02b556ec940e829f5ada2e67823bb6c3f88b965458
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 20aab01b57c0662bd61a22d49e415986f41aeaa6d599ceddf419ea32ed986e48
[INFO] running `Command { std: "docker" "start" "-a" "20aab01b57c0662bd61a22d49e415986f41aeaa6d599ceddf419ea32ed986e48", 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)]` 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 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/finite_repr_derive-ae6e82a750ea99b4)
[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-e4b69284b9c6cda0)
[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-2b0e72aaa9d6464a)
[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-9a405f2204acd22a)
[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-5c9e2d4c7b04725b)
[INFO] [stderr]      Running tests/init.rs (/opt/rustwide/target/debug/deps/tests-6f7fe4231db7b407)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[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)]` 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 6.59s
[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)]` 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)]` 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)]` on by default
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] test tests/test_isomorphism.rs ... ok
[INFO] [stdout] test tests ... ok
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] STDERR:
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.62s
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stdout] 
[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)]` 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" "20aab01b57c0662bd61a22d49e415986f41aeaa6d599ceddf419ea32ed986e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20aab01b57c0662bd61a22d49e415986f41aeaa6d599ceddf419ea32ed986e48", kill_on_drop: false }`
[INFO] [stdout] 20aab01b57c0662bd61a22d49e415986f41aeaa6d599ceddf419ea32ed986e48