[INFO] fetching crate serde-untagged 0.1.7...
[INFO] checking serde-untagged-0.1.7 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate serde-untagged 0.1.7 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate serde-untagged 0.1.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde-untagged 0.1.7
[INFO] tweaked toml for crates.io crate serde-untagged 0.1.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-untagged 0.1.7 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde-untagged 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98838e38b632237cc1ca01aecf369525f3dc37d75451bc3eead228699262ab98
[INFO] running `Command { std: "docker" "start" "-a" "98838e38b632237cc1ca01aecf369525f3dc37d75451bc3eead228699262ab98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98838e38b632237cc1ca01aecf369525f3dc37d75451bc3eead228699262ab98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98838e38b632237cc1ca01aecf369525f3dc37d75451bc3eead228699262ab98", kill_on_drop: false }`
[INFO] [stdout] 98838e38b632237cc1ca01aecf369525f3dc37d75451bc3eead228699262ab98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 228cb7f62bf4e602fee5d3abc1a89595c7e7b8152a598765730b152be6fc4e4f
[INFO] running `Command { std: "docker" "start" "-a" "228cb7f62bf4e602fee5d3abc1a89595c7e7b8152a598765730b152be6fc4e4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling typeid v1.0.2
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking winnow v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking erased-serde v0.4.5
[INFO] [stderr]     Checking toml_edit v0.22.24
[INFO] [stderr]     Checking serde-untagged v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/error.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn as_serde(&self) -> serde::de::Unexpected {
[INFO] [stdout]     |                 ^^^^^     --------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn as_serde(&self) -> serde::de::Unexpected<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toml v0.8.20
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/error.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn as_serde(&self) -> serde::de::Unexpected {
[INFO] [stdout]     |                 ^^^^^     --------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn as_serde(&self) -> serde::de::Unexpected<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.64s
[INFO] running `Command { std: "docker" "inspect" "228cb7f62bf4e602fee5d3abc1a89595c7e7b8152a598765730b152be6fc4e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228cb7f62bf4e602fee5d3abc1a89595c7e7b8152a598765730b152be6fc4e4f", kill_on_drop: false }`
[INFO] [stdout] 228cb7f62bf4e602fee5d3abc1a89595c7e7b8152a598765730b152be6fc4e4f