[INFO] fetching crate cerk 0.2.11...
[INFO] checking cerk-0.2.11 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate cerk 0.2.11 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate cerk 0.2.11 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cerk 0.2.11
[INFO] finished tweaking crates.io crate cerk 0.2.11
[INFO] tweaked toml for crates.io crate cerk 0.2.11 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 68 packages
[INFO] [stderr]       Adding base64 v0.12.3 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cloudevents-sdk v0.3.1 (latest: v0.7.0)
[INFO] [stderr]       Adding delegate-attr v0.2.9 (latest: v0.3.0)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding hostname v0.3.1 (latest: v0.4.0)
[INFO] [stderr]       Adding snafu v0.6.10 (latest: v0.8.2)
[INFO] [stderr]       Adding snafu-derive v0.6.10 (latest: v0.8.2)
[INFO] [stderr]       Adding strum_macros v0.19.4 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding uuid v0.8.2 (latest: v1.8.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snafu v0.6.10
[INFO] [stderr]   Downloaded snafu-derive v0.6.10
[INFO] [stderr]   Downloaded cloudevents-sdk v0.3.1
[INFO] [stderr]   Downloaded strum_macros v0.19.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bef5b115869dfa827d494cef8e6b3de3dd8d9bea04120dc0d93860592f8b7691
[INFO] running `Command { std: "docker" "start" "-a" "bef5b115869dfa827d494cef8e6b3de3dd8d9bea04120dc0d93860592f8b7691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bef5b115869dfa827d494cef8e6b3de3dd8d9bea04120dc0d93860592f8b7691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef5b115869dfa827d494cef8e6b3de3dd8d9bea04120dc0d93860592f8b7691", kill_on_drop: false }`
[INFO] [stdout] bef5b115869dfa827d494cef8e6b3de3dd8d9bea04120dc0d93860592f8b7691
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 358a9a84d3df2e978155be0e3639b4d711c1789f1675bd6ff9e7a70bbd6ffd28
[INFO] running `Command { std: "docker" "start" "-a" "358a9a84d3df2e978155be0e3639b4d711c1789f1675bd6ff9e7a70bbd6ffd28", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling delegate-attr v0.2.9
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking cloudevents-sdk v0.3.1
[INFO] [stderr]     Checking cerk v0.2.11 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde::export`
[INFO] [stdout]  --> src/kernel/config.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::export::TryFrom;
[INFO] [stdout]   |            ^^^^^^ could not find `export` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde::export`
[INFO] [stdout]  --> src/kernel/config.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::export::TryFrom;
[INFO] [stdout]   |            ^^^^^^ could not find `export` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/kernel/config.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[serde(untagged)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 13 | #[derive(Deserialize, Serialize)]
[INFO] [stdout]    |          ----------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/kernel/config.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[serde(untagged)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 13 | #[derive(Deserialize, Serialize)]
[INFO] [stdout]    |          ----------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/kernel/config.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn try_from(value: &Config) -> Result<Self, <u8 as TryFrom>::Error> {
[INFO] [stdout]    |                                                 ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 28 |     fn try_from(value: &Config) -> Result<Self, <u8 as TryInto>::Error> {
[INFO] [stdout]    |                                                 ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/kernel/config.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn try_from(value: &Config) -> Result<Self, <u8 as TryInto>::Error> {
[INFO] [stdout]    |                                                 ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 28 |     fn try_from(value: &Config) -> Result<Self, <u8 as std::convert::TryFrom>::Error> {
[INFO] [stdout]    |                                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/kernel/config.rs:38:49
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn try_from(value: &Config) -> Result<Self, <u32 as TryFrom>::Error> {
[INFO] [stdout]    |                                                 ~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 38 |     fn try_from(value: &Config) -> Result<Self, <u32 as TryInto>::Error> {
[INFO] [stdout]    |                                                 ~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/kernel/config.rs:38:49
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn try_from(value: &Config) -> Result<Self, <u32 as TryInto>::Error> {
[INFO] [stdout]    |                                                 ~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 38 |     fn try_from(value: &Config) -> Result<Self, <u32 as std::convert::TryFrom>::Error> {
[INFO] [stdout]    |                                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/kernel/config.rs:59:49
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn try_from(value: &Config) -> Result<Self, <Vec<Config> as TryFrom>::Error> {
[INFO] [stdout]    |                                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 59 |     fn try_from(value: &Config) -> Result<Self, <Vec<Config> as TryInto>::Error> {
[INFO] [stdout]    |                                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/kernel/config.rs:59:49
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn try_from(value: &Config) -> Result<Self, <Vec<config::Config> as TryInto>::Error> {
[INFO] [stdout]    |                                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 59 |     fn try_from(value: &Config) -> Result<Self, <Vec<config::Config> as std::convert::TryFrom>::Error> {
[INFO] [stdout]    |                                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0223, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0223`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0223, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0223`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cerk` (lib) due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cerk` (lib test) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "358a9a84d3df2e978155be0e3639b4d711c1789f1675bd6ff9e7a70bbd6ffd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "358a9a84d3df2e978155be0e3639b4d711c1789f1675bd6ff9e7a70bbd6ffd28", kill_on_drop: false }`
[INFO] [stdout] 358a9a84d3df2e978155be0e3639b4d711c1789f1675bd6ff9e7a70bbd6ffd28
