[INFO] fetching crate cerk 0.2.11... [INFO] checking cerk-0.2.11 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate cerk 0.2.11 into /workspace/builds/worker-6-tc2/source [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-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cerk 0.2.11 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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 87 packages to latest compatible versions [INFO] [stderr] Adding cloudevents-sdk v0.3.1 (available: v0.8.0) [INFO] [stderr] Adding strum_macros v0.19.4 (available: v0.27.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ad294310be35670a341041b46470c2555fffe72d5e0cffcdef772bfcd4ee7a7 [INFO] running `Command { std: "docker" "start" "-a" "2ad294310be35670a341041b46470c2555fffe72d5e0cffcdef772bfcd4ee7a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ad294310be35670a341041b46470c2555fffe72d5e0cffcdef772bfcd4ee7a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ad294310be35670a341041b46470c2555fffe72d5e0cffcdef772bfcd4ee7a7", kill_on_drop: false }` [INFO] [stdout] 2ad294310be35670a341041b46470c2555fffe72d5e0cffcdef772bfcd4ee7a7 [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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d3d720b679ece64bb6e3239bddc334bede84abb17f37dcebee04fbb6b85bee88 [INFO] running `Command { std: "docker" "start" "-a" "d3d720b679ece64bb6e3239bddc334bede84abb17f37dcebee04fbb6b85bee88", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking writeable v0.6.1 [INFO] [stderr] Checking litemap v0.8.0 [INFO] [stderr] Compiling icu_normalizer_data v2.0.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling icu_properties_data v2.0.1 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking percent-encoding v2.3.2 [INFO] [stderr] Checking utf8_iter v1.0.4 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking iana-time-zone v0.1.63 [INFO] [stderr] Checking form_urlencoded v1.2.2 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling anyhow v1.0.99 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Compiling snafu-derive v0.6.10 [INFO] [stderr] Compiling delegate-attr v0.2.9 [INFO] [stderr] Compiling strum_macros v0.19.4 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking snafu v0.6.10 [INFO] [stderr] Checking yoke v0.8.0 [INFO] [stderr] Checking zerovec v0.11.4 [INFO] [stderr] Checking zerotrie v0.2.2 [INFO] [stderr] Checking tinystr v0.8.1 [INFO] [stderr] Checking potential_utf v0.1.2 [INFO] [stderr] Checking icu_collections v2.0.0 [INFO] [stderr] Checking icu_locale_core v2.0.0 [INFO] [stderr] Checking icu_provider v2.0.0 [INFO] [stderr] Checking icu_normalizer v2.0.0 [INFO] [stderr] Checking icu_properties v2.0.1 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Checking chrono v0.4.41 [INFO] [stderr] Checking url v2.5.7 [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] error: 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 [INFO] [stdout] = note: `#[deny(legacy_derive_helpers)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 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 [INFO] [stdout] = note: `#[deny(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 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use fully-qualified syntax [INFO] [stdout] | [INFO] [stdout] 28 - fn try_from(value: &Config) -> Result { [INFO] [stdout] 28 + fn try_from(value: &Config) -> Result::Error> { [INFO] [stdout] | [INFO] [stdout] 28 - fn try_from(value: &Config) -> Result { [INFO] [stdout] 28 + fn try_from(value: &Config) -> Result::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 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use fully-qualified syntax [INFO] [stdout] | [INFO] [stdout] 38 - fn try_from(value: &Config) -> Result { [INFO] [stdout] 38 + fn try_from(value: &Config) -> Result::Error> { [INFO] [stdout] | [INFO] [stdout] 38 - fn try_from(value: &Config) -> Result { [INFO] [stdout] 38 + fn try_from(value: &Config) -> Result::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 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use fully-qualified syntax [INFO] [stdout] | [INFO] [stdout] 59 - fn try_from(value: &Config) -> Result { [INFO] [stdout] 59 + fn try_from(value: &Config) -> Result as TryFrom>::Error> { [INFO] [stdout] | [INFO] [stdout] 59 - fn try_from(value: &Config) -> Result { [INFO] [stdout] 59 + fn try_from(value: &Config) -> Result 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 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use fully-qualified syntax [INFO] [stdout] | [INFO] [stdout] 28 - fn try_from(value: &Config) -> Result { [INFO] [stdout] 28 + fn try_from(value: &Config) -> Result::Error> { [INFO] [stdout] | [INFO] [stdout] 28 - fn try_from(value: &Config) -> Result { [INFO] [stdout] 28 + fn try_from(value: &Config) -> Result::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 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use fully-qualified syntax [INFO] [stdout] | [INFO] [stdout] 38 - fn try_from(value: &Config) -> Result { [INFO] [stdout] 38 + fn try_from(value: &Config) -> Result::Error> { [INFO] [stdout] | [INFO] [stdout] 38 - fn try_from(value: &Config) -> Result { [INFO] [stdout] 38 + fn try_from(value: &Config) -> Result::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 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use fully-qualified syntax [INFO] [stdout] | [INFO] [stdout] 59 - fn try_from(value: &Config) -> Result { [INFO] [stdout] 59 + fn try_from(value: &Config) -> Result as TryInto>::Error> { [INFO] [stdout] | [INFO] [stdout] 59 - fn try_from(value: &Config) -> Result { [INFO] [stdout] 59 + fn try_from(value: &Config) -> Result as std::convert::TryFrom>::Error> { [INFO] [stdout] | [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] 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 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `cerk` (lib test) due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "d3d720b679ece64bb6e3239bddc334bede84abb17f37dcebee04fbb6b85bee88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3d720b679ece64bb6e3239bddc334bede84abb17f37dcebee04fbb6b85bee88", kill_on_drop: false }` [INFO] [stdout] d3d720b679ece64bb6e3239bddc334bede84abb17f37dcebee04fbb6b85bee88