[INFO] fetching crate serde_hooks 0.1.1...
[INFO] building serde_hooks-0.1.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate serde_hooks 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate serde_hooks 0.1.1
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate serde_hooks 0.1.1
[INFO] tweaked toml for crates.io crate serde_hooks 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_hooks 0.1.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_hooks 0.1.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c40afac2c00207b2bac28c2c8af393ad1e5682587be4c9de3bacb33bd6dd6f8a
[INFO] running `Command { std: "docker" "start" "-a" "c40afac2c00207b2bac28c2c8af393ad1e5682587be4c9de3bacb33bd6dd6f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c40afac2c00207b2bac28c2c8af393ad1e5682587be4c9de3bacb33bd6dd6f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40afac2c00207b2bac28c2c8af393ad1e5682587be4c9de3bacb33bd6dd6f8a", kill_on_drop: false }`
[INFO] [stdout] c40afac2c00207b2bac28c2c8af393ad1e5682587be4c9de3bacb33bd6dd6f8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd604d83d218dacf429c1aa07b61d52b3b15185848fbb6cbc26e3fad1e905924
[INFO] running `Command { std: "docker" "start" "-a" "dd604d83d218dacf429c1aa07b61d52b3b15185848fbb6cbc26e3fad1e905924", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling serde_hooks v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ser/scope/value.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn value(&self) -> &Value {
[INFO] [stdout]    |                  ^^^^^     ^^^^^^
[INFO] [stdout]    |                  |         ||
[INFO] [stdout]    |                  |         |the same lifetime is hidden here
[INFO] [stdout]    |                  |         the same lifetime is elided here
[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] 35 |     pub fn value(&self) -> &Value<'_> {
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.91s
[INFO] running `Command { std: "docker" "inspect" "dd604d83d218dacf429c1aa07b61d52b3b15185848fbb6cbc26e3fad1e905924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd604d83d218dacf429c1aa07b61d52b3b15185848fbb6cbc26e3fad1e905924", kill_on_drop: false }`
[INFO] [stdout] dd604d83d218dacf429c1aa07b61d52b3b15185848fbb6cbc26e3fad1e905924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aef105dea15a580e3098e28ce51330026b0d5ac634c3a15336ac7221f8adcd26
[INFO] running `Command { std: "docker" "start" "-a" "aef105dea15a580e3098e28ce51330026b0d5ac634c3a15336ac7221f8adcd26", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.9
[INFO] [stderr]    Compiling base64 v0.21.3
[INFO] [stderr]    Compiling serde-reflection v0.3.6
[INFO] [stderr]    Compiling serde_bytes v0.11.12
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling indoc v2.0.3
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ser/scope/value.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn value(&self) -> &Value {
[INFO] [stdout]    |                  ^^^^^     ^^^^^^
[INFO] [stdout]    |                  |         ||
[INFO] [stdout]    |                  |         |the same lifetime is hidden here
[INFO] [stdout]    |                  |         the same lifetime is elided here
[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] 35 |     pub fn value(&self) -> &Value<'_> {
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling serde_yaml v0.9.23
[INFO] [stderr]    Compiling serde_hooks v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `ser`
[INFO] [stdout]  --> examples/ser/main.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod rename_struct_fields;
[INFO] [stdout]   |                          ^ consider adding a `main` function to `examples/ser/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_hooks` (example "ser") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ser/scope/value.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn value(&self) -> &Value {
[INFO] [stdout]    |                  ^^^^^     ^^^^^^
[INFO] [stdout]    |                  |         ||
[INFO] [stdout]    |                  |         |the same lifetime is hidden here
[INFO] [stdout]    |                  |         the same lifetime is elided here
[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] 35 |     pub fn value(&self) -> &Value<'_> {
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnitStruct` is never constructed
[INFO] [stdout]  --> tests/ser/variant.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct UnitStruct;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aef105dea15a580e3098e28ce51330026b0d5ac634c3a15336ac7221f8adcd26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef105dea15a580e3098e28ce51330026b0d5ac634c3a15336ac7221f8adcd26", kill_on_drop: false }`
[INFO] [stdout] aef105dea15a580e3098e28ce51330026b0d5ac634c3a15336ac7221f8adcd26