[INFO] fetching crate sepserde_derive 0.8.1...
[INFO] testing sepserde_derive-0.8.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate sepserde_derive 0.8.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sepserde_derive 0.8.1
[INFO] finished tweaking crates.io crate sepserde_derive 0.8.1
[INFO] tweaked toml for crates.io crate sepserde_derive 0.8.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sepserde_derive 0.8.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[INFO] [stderr]       Adding xml-rs v0.8.28 (available: v1.0.0)
[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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 086f9294a0638c9f4f83575f13d2b4c23eeb93d26ff8e065ce3dab35cc5f7ad7
[INFO] running `Command { std: "docker" "start" "-a" "086f9294a0638c9f4f83575f13d2b4c23eeb93d26ff8e065ce3dab35cc5f7ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "086f9294a0638c9f4f83575f13d2b4c23eeb93d26ff8e065ce3dab35cc5f7ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086f9294a0638c9f4f83575f13d2b4c23eeb93d26ff8e065ce3dab35cc5f7ad7", kill_on_drop: false }`
[INFO] [stdout] 086f9294a0638c9f4f83575f13d2b4c23eeb93d26ff8e065ce3dab35cc5f7ad7
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87a2dcdd85cb2e50cd388e621b03eb0fe896b63e4f064e2954316451440d6613
[INFO] running `Command { std: "docker" "start" "-a" "87a2dcdd85cb2e50cd388e621b03eb0fe896b63e4f064e2954316451440d6613", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.28
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling sepserde_derive v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]    --> src/common/attribute.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         prefix: &Option<String>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `take_root_prefix`
[INFO] [stdout]    --> src/common/attribute.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         take_root_prefix: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_take_root_prefix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.96s
[INFO] running `Command { std: "docker" "inspect" "87a2dcdd85cb2e50cd388e621b03eb0fe896b63e4f064e2954316451440d6613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a2dcdd85cb2e50cd388e621b03eb0fe896b63e4f064e2954316451440d6613", kill_on_drop: false }`
[INFO] [stdout] 87a2dcdd85cb2e50cd388e621b03eb0fe896b63e4f064e2954316451440d6613
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e42ac9f72b990e4142b075df37e17dd7e1387f3ba05dbebe45ea0739ba3681fb
[INFO] running `Command { std: "docker" "start" "-a" "e42ac9f72b990e4142b075df37e17dd7e1387f3ba05dbebe45ea0739ba3681fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling sepserde_derive v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]    --> src/common/attribute.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         prefix: &Option<String>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `take_root_prefix`
[INFO] [stdout]    --> src/common/attribute.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         take_root_prefix: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_take_root_prefix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]    --> src/common/attribute.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         prefix: &Option<String>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `take_root_prefix`
[INFO] [stdout]    --> src/common/attribute.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         take_root_prefix: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_take_root_prefix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "e42ac9f72b990e4142b075df37e17dd7e1387f3ba05dbebe45ea0739ba3681fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42ac9f72b990e4142b075df37e17dd7e1387f3ba05dbebe45ea0739ba3681fb", kill_on_drop: false }`
[INFO] [stdout] e42ac9f72b990e4142b075df37e17dd7e1387f3ba05dbebe45ea0739ba3681fb
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7fd1a6ecbc87972b742761ccbbcdafb86252393c70579639e51e0a8dec636c5
[INFO] running `Command { std: "docker" "start" "-a" "a7fd1a6ecbc87972b742761ccbbcdafb86252393c70579639e51e0a8dec636c5", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `prefix`
[INFO] [stderr]    --> src/common/attribute.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         prefix: &Option<String>,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `take_root_prefix`
[INFO] [stderr]    --> src/common/attribute.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |         take_root_prefix: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_take_root_prefix`
[INFO] [stderr] 
[INFO] [stderr] warning: `sepserde_derive` (lib) generated 2 warnings (run `cargo fix --lib -p sepserde_derive` to apply 2 suggestions)
[INFO] [stderr] warning: `sepserde_derive` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sepserde_derive-ca99a21e60ea030c)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests sepserde_derive
[INFO] [stdout] test common::attribute::parse_empty_attributes ... ok
[INFO] [stdout] test common::attribute::only_parse_yaserde_attributes ... ok
[INFO] [stdout] test common::attribute::parse_attributes_with_values ... ok
[INFO] [stdout] test common::attribute::parse_attributes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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] running `Command { std: "docker" "inspect" "a7fd1a6ecbc87972b742761ccbbcdafb86252393c70579639e51e0a8dec636c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7fd1a6ecbc87972b742761ccbbcdafb86252393c70579639e51e0a8dec636c5", kill_on_drop: false }`
[INFO] [stdout] a7fd1a6ecbc87972b742761ccbbcdafb86252393c70579639e51e0a8dec636c5