[INFO] fetching crate serde-double-tag-derive 0.0.4...
[INFO] testing serde-double-tag-derive-0.0.4 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate serde-double-tag-derive 0.0.4 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate serde-double-tag-derive 0.0.4
[INFO] finished tweaking crates.io crate serde-double-tag-derive 0.0.4
[INFO] tweaked toml for crates.io crate serde-double-tag-derive 0.0.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-double-tag-derive 0.0.4 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dc6a643980a2b2c220d4c9a0f5b02b3cefc02375de14d748958e52b29cc62fa
[INFO] running `Command { std: "docker" "start" "-a" "2dc6a643980a2b2c220d4c9a0f5b02b3cefc02375de14d748958e52b29cc62fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dc6a643980a2b2c220d4c9a0f5b02b3cefc02375de14d748958e52b29cc62fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc6a643980a2b2c220d4c9a0f5b02b3cefc02375de14d748958e52b29cc62fa", kill_on_drop: false }`
[INFO] [stdout] 2dc6a643980a2b2c220d4c9a0f5b02b3cefc02375de14d748958e52b29cc62fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4773231bb13445d195a640d80ae0c07b0385c299a0be41c61cc39fe598ef7f0a
[INFO] running `Command { std: "docker" "start" "-a" "4773231bb13445d195a640d80ae0c07b0385c299a0be41c61cc39fe598ef7f0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde-double-tag-derive v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/rename_rule.rs:45:25
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn from_str(input: &str) -> Result<Self, ParseError> {
[INFO] [stdout]    |                            ^^^^                  ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn from_str(input: &str) -> Result<Self, ParseError<'_>> {
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `Command { std: "docker" "inspect" "4773231bb13445d195a640d80ae0c07b0385c299a0be41c61cc39fe598ef7f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4773231bb13445d195a640d80ae0c07b0385c299a0be41c61cc39fe598ef7f0a", kill_on_drop: false }`
[INFO] [stdout] 4773231bb13445d195a640d80ae0c07b0385c299a0be41c61cc39fe598ef7f0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 016f5640058d48ae02813616be3a5908f1269b18ee33b52679287293a7b3e758
[INFO] running `Command { std: "docker" "start" "-a" "016f5640058d48ae02813616be3a5908f1269b18ee33b52679287293a7b3e758", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-double-tag-derive v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/rename_rule.rs:45:25
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn from_str(input: &str) -> Result<Self, ParseError> {
[INFO] [stdout]    |                            ^^^^                  ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn from_str(input: &str) -> Result<Self, ParseError<'_>> {
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/rename_rule.rs:45:25
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn from_str(input: &str) -> Result<Self, ParseError> {
[INFO] [stdout]    |                            ^^^^                  ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn from_str(input: &str) -> Result<Self, ParseError<'_>> {
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "016f5640058d48ae02813616be3a5908f1269b18ee33b52679287293a7b3e758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016f5640058d48ae02813616be3a5908f1269b18ee33b52679287293a7b3e758", kill_on_drop: false }`
[INFO] [stdout] 016f5640058d48ae02813616be3a5908f1269b18ee33b52679287293a7b3e758
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a30d09c021409483d47b9838f06e135a11ba03167546a091651b8b517513da6
[INFO] running `Command { std: "docker" "start" "-a" "0a30d09c021409483d47b9838f06e135a11ba03167546a091651b8b517513da6", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/util/rename_rule.rs:45:25
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn from_str(input: &str) -> Result<Self, ParseError> {
[INFO] [stderr]    |                            ^^^^                  ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn from_str(input: &str) -> Result<Self, ParseError<'_>> {
[INFO] [stderr]    |                                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-double-tag-derive` (lib) generated 1 warning (run `cargo fix --lib -p serde-double-tag-derive` to apply 1 suggestion)
[INFO] [stderr] warning: `serde-double-tag-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/serde_double_tag_derive-16f67aa02843554c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test util::rename_rule::rename_fields ... ok
[INFO] [stdout] test util::rename_rule::rename_variants ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_double_tag_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" "0a30d09c021409483d47b9838f06e135a11ba03167546a091651b8b517513da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a30d09c021409483d47b9838f06e135a11ba03167546a091651b8b517513da6", kill_on_drop: false }`
[INFO] [stdout] 0a30d09c021409483d47b9838f06e135a11ba03167546a091651b8b517513da6
