[INFO] fetching crate serde_qs_ext 0.12.0...
[INFO] testing serde_qs_ext-0.12.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate serde_qs_ext 0.12.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate serde_qs_ext 0.12.0
[INFO] finished tweaking crates.io crate serde_qs_ext 0.12.0
[INFO] tweaked toml for crates.io crate serde_qs_ext 0.12.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_qs_ext 0.12.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_qs_ext 0.12.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 068d70c860881a9b711e6d7afc53238ca87de664bbed67741dd0563102d61482
[INFO] running `Command { std: "docker" "start" "-a" "068d70c860881a9b711e6d7afc53238ca87de664bbed67741dd0563102d61482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "068d70c860881a9b711e6d7afc53238ca87de664bbed67741dd0563102d61482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068d70c860881a9b711e6d7afc53238ca87de664bbed67741dd0563102d61482", kill_on_drop: false }`
[INFO] [stdout] 068d70c860881a9b711e6d7afc53238ca87de664bbed67741dd0563102d61482
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6311dfdad20de0132a60ada62e7785f3eea9994130cd98425b5759bc83c484c6
[INFO] running `Command { std: "docker" "start" "-a" "6311dfdad20de0132a60ada62e7785f3eea9994130cd98425b5759bc83c484c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling serde_qs_ext v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/de/parse.rs:203:24
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn replace_plus(input: &[u8]) -> Cow<[u8]> {
[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] 203 | fn replace_plus(input: &[u8]) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ser.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn as_qs_serializer(&mut self) -> QsSerializer<W> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn as_qs_serializer(&mut self) -> QsSerializer<'_, W> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/utils.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn replace_space(input: &str) -> Cow<str> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn replace_space(input: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.87s
[INFO] running `Command { std: "docker" "inspect" "6311dfdad20de0132a60ada62e7785f3eea9994130cd98425b5759bc83c484c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6311dfdad20de0132a60ada62e7785f3eea9994130cd98425b5759bc83c484c6", kill_on_drop: false }`
[INFO] [stdout] 6311dfdad20de0132a60ada62e7785f3eea9994130cd98425b5759bc83c484c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 352202bb4852edf0feb9a7f6d5b212153d2e9a71096c5fbd44a1e9ff8a159eb1
[INFO] running `Command { std: "docker" "start" "-a" "352202bb4852edf0feb9a7f6d5b212153d2e9a71096c5fbd44a1e9ff8a159eb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling iana-time-zone v0.1.58
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/de/parse.rs:203:24
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn replace_plus(input: &[u8]) -> Cow<[u8]> {
[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] 203 | fn replace_plus(input: &[u8]) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ser.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn as_qs_serializer(&mut self) -> QsSerializer<W> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn as_qs_serializer(&mut self) -> QsSerializer<'_, W> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/utils.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn replace_space(input: &str) -> Cow<str> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn replace_space(input: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling serde_with_macros v2.3.3
[INFO] [stderr]    Compiling serde_with v2.3.3
[INFO] [stderr]    Compiling serde_qs_ext v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `serde_qs`
[INFO] [stdout]  --> examples/introduction.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate serde_qs as qs;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serde_qs`
[INFO] [stdout]  --> tests/test_serialize.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate serde_qs as qs;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serde_qs`
[INFO] [stdout]  --> tests/test_regression.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate serde_qs as qs;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serde_qs`
[INFO] [stdout]  --> tests/test_chrono.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate serde_qs as qs;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serde_qs`
[INFO] [stdout]  --> examples/csv_vectors.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate serde_qs as qs;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serde_qs`
[INFO] [stdout]  --> tests/test_deserialize.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate serde_qs as qs;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_qs_ext` (test "test_chrono") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_qs_ext` (test "test_regression") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_qs_ext` (example "csv_vectors") due to 1 previous error
[INFO] [stderr] error: could not compile `serde_qs_ext` (example "introduction") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_qs_ext` (test "test_serialize") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_qs_ext` (test "test_deserialize") due to 1 previous error
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/de/parse.rs:203:24
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn replace_plus(input: &[u8]) -> Cow<[u8]> {
[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] 203 | fn replace_plus(input: &[u8]) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ser.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn as_qs_serializer(&mut self) -> QsSerializer<W> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn as_qs_serializer(&mut self) -> QsSerializer<'_, W> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/utils.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn replace_space(input: &str) -> Cow<str> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn replace_space(input: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "352202bb4852edf0feb9a7f6d5b212153d2e9a71096c5fbd44a1e9ff8a159eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352202bb4852edf0feb9a7f6d5b212153d2e9a71096c5fbd44a1e9ff8a159eb1", kill_on_drop: false }`
[INFO] [stdout] 352202bb4852edf0feb9a7f6d5b212153d2e9a71096c5fbd44a1e9ff8a159eb1
