[INFO] fetching crate vesperi-derive 0.1.0...
[INFO] testing vesperi-derive-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate vesperi-derive 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate vesperi-derive 0.1.0
[INFO] finished tweaking crates.io crate vesperi-derive 0.1.0
[INFO] tweaked toml for crates.io crate vesperi-derive 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vesperi-derive 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 28 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59d27aac9b406be0bb87e48c1a39a31ba48d0861c1efac3d690d5f19dbf824c5
[INFO] running `Command { std: "docker" "start" "-a" "59d27aac9b406be0bb87e48c1a39a31ba48d0861c1efac3d690d5f19dbf824c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59d27aac9b406be0bb87e48c1a39a31ba48d0861c1efac3d690d5f19dbf824c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59d27aac9b406be0bb87e48c1a39a31ba48d0861c1efac3d690d5f19dbf824c5", kill_on_drop: false }`
[INFO] [stdout] 59d27aac9b406be0bb87e48c1a39a31ba48d0861c1efac3d690d5f19dbf824c5
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dd2e4ad9c74e0b5a9626eb8cc83041df3d6321bbe162c10f5a411747940f830
[INFO] running `Command { std: "docker" "start" "-a" "1dd2e4ad9c74e0b5a9626eb8cc83041df3d6321bbe162c10f5a411747940f830", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling vesperi-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/helpers.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     name: &'a str,
[INFO] [stdout]    |            -- the lifetime is named here
[INFO] [stdout] 15 |     fields: impl IntoIterator<Item = &'a Field>,
[INFO] [stdout] 16 | ) -> Option<&Field> {
[INFO] [stdout]    |             ^^^^^^ the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 16 | ) -> Option<&'a Field> {
[INFO] [stdout]    |              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "1dd2e4ad9c74e0b5a9626eb8cc83041df3d6321bbe162c10f5a411747940f830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd2e4ad9c74e0b5a9626eb8cc83041df3d6321bbe162c10f5a411747940f830", kill_on_drop: false }`
[INFO] [stdout] 1dd2e4ad9c74e0b5a9626eb8cc83041df3d6321bbe162c10f5a411747940f830
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a82c2c813d8dbaaea7cd4f7ab68d9693848eff04c5fe0ca2d39289c3b7dc610c
[INFO] running `Command { std: "docker" "start" "-a" "a82c2c813d8dbaaea7cd4f7ab68d9693848eff04c5fe0ca2d39289c3b7dc610c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling toml_writer v1.0.3
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling vesperi-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/helpers.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     name: &'a str,
[INFO] [stdout]    |            -- the lifetime is named here
[INFO] [stdout] 15 |     fields: impl IntoIterator<Item = &'a Field>,
[INFO] [stdout] 16 | ) -> Option<&Field> {
[INFO] [stdout]    |             ^^^^^^ the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 16 | ) -> Option<&'a Field> {
[INFO] [stdout]    |              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_spanned v1.0.2
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling toml v0.9.7
[INFO] [stderr]    Compiling trybuild v1.0.111
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/helpers.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     name: &'a str,
[INFO] [stdout]    |            -- the lifetime is named here
[INFO] [stdout] 15 |     fields: impl IntoIterator<Item = &'a Field>,
[INFO] [stdout] 16 | ) -> Option<&Field> {
[INFO] [stdout]    |             ^^^^^^ the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 16 | ) -> Option<&'a Field> {
[INFO] [stdout]    |              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.59s
[INFO] running `Command { std: "docker" "inspect" "a82c2c813d8dbaaea7cd4f7ab68d9693848eff04c5fe0ca2d39289c3b7dc610c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a82c2c813d8dbaaea7cd4f7ab68d9693848eff04c5fe0ca2d39289c3b7dc610c", kill_on_drop: false }`
[INFO] [stdout] a82c2c813d8dbaaea7cd4f7ab68d9693848eff04c5fe0ca2d39289c3b7dc610c
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 409ac20e3ad6f8eb16cd760a54044715631dd4da41627797f3953afcd378dfed
[INFO] running `Command { std: "docker" "start" "-a" "409ac20e3ad6f8eb16cd760a54044715631dd4da41627797f3953afcd378dfed", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/helpers.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |     name: &'a str,
[INFO] [stderr]    |            -- the lifetime is named here
[INFO] [stderr] 15 |     fields: impl IntoIterator<Item = &'a Field>,
[INFO] [stderr] 16 | ) -> Option<&Field> {
[INFO] [stderr]    |             ^^^^^^ the same 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: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 16 | ) -> Option<&'a Field> {
[INFO] [stderr]    |              ++
[INFO] [stderr] 
[INFO] [stderr] warning: `vesperi-derive` (lib) generated 1 warning (run `cargo fix --lib -p vesperi-derive` to apply 1 suggestion)
[INFO] [stderr] warning: `vesperi-derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vesperi_derive-16ae3aef974a8b1e)
[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]    Doc-tests vesperi_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" "409ac20e3ad6f8eb16cd760a54044715631dd4da41627797f3953afcd378dfed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409ac20e3ad6f8eb16cd760a54044715631dd4da41627797f3953afcd378dfed", kill_on_drop: false }`
[INFO] [stdout] 409ac20e3ad6f8eb16cd760a54044715631dd4da41627797f3953afcd378dfed