[INFO] fetching crate discriminant_hash_derive 0.1.0...
[INFO] testing discriminant_hash_derive-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate discriminant_hash_derive 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate discriminant_hash_derive 0.1.0
[INFO] finished tweaking crates.io crate discriminant_hash_derive 0.1.0
[INFO] tweaked toml for crates.io crate discriminant_hash_derive 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate discriminant_hash_derive 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.114
[INFO] [stderr]   Downloaded target-triple v1.0.0
[INFO] [stderr]   Downloaded toml_writer v1.0.4
[INFO] [stderr]   Downloaded toml v0.9.8
[INFO] [stderr]   Downloaded serde_spanned v1.0.3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b28c9ca8648c9aa3b8af452a7c94f4c854f67f07bf45970edc5c12e808681fe3
[INFO] running `Command { std: "docker" "start" "-a" "b28c9ca8648c9aa3b8af452a7c94f4c854f67f07bf45970edc5c12e808681fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b28c9ca8648c9aa3b8af452a7c94f4c854f67f07bf45970edc5c12e808681fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28c9ca8648c9aa3b8af452a7c94f4c854f67f07bf45970edc5c12e808681fe3", kill_on_drop: false }`
[INFO] [stdout] b28c9ca8648c9aa3b8af452a7c94f4c854f67f07bf45970edc5c12e808681fe3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b9cf49c8fef310633c0e4b218b4062319ad1550dab9c168abcd9a65c7446708
[INFO] running `Command { std: "docker" "start" "-a" "9b9cf49c8fef310633c0e4b218b4062319ad1550dab9c168abcd9a65c7446708", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling discriminant_hash_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.27s
[INFO] running `Command { std: "docker" "inspect" "9b9cf49c8fef310633c0e4b218b4062319ad1550dab9c168abcd9a65c7446708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9cf49c8fef310633c0e4b218b4062319ad1550dab9c168abcd9a65c7446708", kill_on_drop: false }`
[INFO] [stdout] 9b9cf49c8fef310633c0e4b218b4062319ad1550dab9c168abcd9a65c7446708
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c08cf15fd3b01741a77974bb4a54ee990e54193ef20a6dd5cf8b7cf2803f4b4f
[INFO] running `Command { std: "docker" "start" "-a" "c08cf15fd3b01741a77974bb4a54ee990e54193ef20a6dd5cf8b7cf2803f4b4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling toml_writer v1.0.4
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling discriminant_hash_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_spanned v1.0.3
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling toml v0.9.8
[INFO] [stderr]    Compiling trybuild v1.0.114
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/discriminant_hash_derive.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Lifetime(&'a str),
[INFO] [stdout]    |     -------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Lifetime(&'a str),
[INFO] [stdout] 10 +     Lifetime(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.64s
[INFO] running `Command { std: "docker" "inspect" "c08cf15fd3b01741a77974bb4a54ee990e54193ef20a6dd5cf8b7cf2803f4b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c08cf15fd3b01741a77974bb4a54ee990e54193ef20a6dd5cf8b7cf2803f4b4f", kill_on_drop: false }`
[INFO] [stdout] c08cf15fd3b01741a77974bb4a54ee990e54193ef20a6dd5cf8b7cf2803f4b4f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f56520578f3a1c228bfebbaf2f46645f7611bd80de70d4d7caebee334b5483f2
[INFO] running `Command { std: "docker" "start" "-a" "f56520578f3a1c228bfebbaf2f46645f7611bd80de70d4d7caebee334b5483f2", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> tests/discriminant_hash_derive.rs:10:14
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Lifetime(&'a str),
[INFO] [stderr]    |     -------- ^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 10 -     Lifetime(&'a str),
[INFO] [stderr] 10 +     Lifetime(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `discriminant_hash_derive` (test "discriminant_hash_derive") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/discriminant_hash_derive-f1d83c6dce1f3c1e)
[INFO] [stderr]      Running tests/discriminant_hash_derive.rs (/opt/rustwide/target/debug/deps/discriminant_hash_derive-46fb4a8d5cec038f)
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-b8986d068b5eb45a)
[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 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 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling discriminant_hash_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling discriminant_hash_derive-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/discriminant_hash_derive)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.26s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/discriminant_hash_derive.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]    Doc-tests discriminant_hash_derive
[INFO] [stdout] test tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.76s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - discriminant_hash_derive (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f56520578f3a1c228bfebbaf2f46645f7611bd80de70d4d7caebee334b5483f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f56520578f3a1c228bfebbaf2f46645f7611bd80de70d4d7caebee334b5483f2", kill_on_drop: false }`
[INFO] [stdout] f56520578f3a1c228bfebbaf2f46645f7611bd80de70d4d7caebee334b5483f2