[INFO] fetching crate oca-bundle 0.3.7...
[INFO] checking oca-bundle-0.3.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate oca-bundle 0.3.7 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate oca-bundle 0.3.7 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oca-bundle 0.3.7
[INFO] finished tweaking crates.io crate oca-bundle 0.3.7
[INFO] tweaked toml for crates.io crate oca-bundle 0.3.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 142 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding blake2 v0.9.2 (latest: v0.10.6)
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
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[INFO] [stderr]       Adding clap v3.2.25 (latest: v4.5.4)
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[INFO] [stderr]       Adding crypto-mac v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.3)
[INFO] [stderr]       Adding erased-serde v0.3.31 (latest: v0.4.4)
[INFO] [stderr]       Adding gc-arena v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding gc-arena-derive v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding oca-ast v0.3.7 (latest: v0.4.3)
[INFO] [stderr]       Adding ordered-float v2.10.1 (latest: v4.2.0)
[INFO] [stderr]       Adding os_str_bytes v6.6.1 (latest: v7.0.0)
[INFO] [stderr]       Adding piccolo v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rmp-serde v0.15.5 (latest: v1.1.2)
[INFO] [stderr]       Adding sad_macros v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding said v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
[INFO] [stderr]       Adding sha3 v0.9.1 (latest: v0.10.8)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding strum v0.24.1 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.24.3 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
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[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded urn v0.5.1
[INFO] [stderr]   Downloaded sad_macros v0.1.0
[INFO] [stderr]   Downloaded said v0.3.0
[INFO] [stderr]   Downloaded gc-arena v0.3.3
[INFO] [stderr]   Downloaded cascade v1.0.1
[INFO] [stderr]   Downloaded dyn-clonable-impl v0.9.0
[INFO] [stderr]   Downloaded oca-ast v0.3.7
[INFO] [stderr]   Downloaded synstructure v0.13.1
[INFO] [stderr]   Downloaded sptr v0.3.2
[INFO] [stderr]   Downloaded cesrox v0.1.4
[INFO] [stderr]   Downloaded dyn-clonable v0.9.0
[INFO] [stderr]   Downloaded isolang v2.4.0
[INFO] [stderr]   Downloaded gc-arena-derive v0.3.3
[INFO] [stderr]   Downloaded piccolo v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc02197794c6c0691cc585ff1e04ba7b1454fa7bdd1ec43f6d546d40eb8a1ad2
[INFO] running `Command { std: "docker" "start" "-a" "dc02197794c6c0691cc585ff1e04ba7b1454fa7bdd1ec43f6d546d40eb8a1ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc02197794c6c0691cc585ff1e04ba7b1454fa7bdd1ec43f6d546d40eb8a1ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc02197794c6c0691cc585ff1e04ba7b1454fa7bdd1ec43f6d546d40eb8a1ad2", kill_on_drop: false }`
[INFO] [stdout] dc02197794c6c0691cc585ff1e04ba7b1454fa7bdd1ec43f6d546d40eb8a1ad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9646dbd196c8ca27b36eb152711e856c32ea6ca771a76a370fcb27540d3b89d
[INFO] running `Command { std: "docker" "start" "-a" "f9646dbd196c8ca27b36eb152711e856c32ea6ca771a76a370fcb27540d3b89d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling syn v2.0.58
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[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking opaque-debug v0.3.1
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[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling blake3 v1.5.1
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[INFO] [stderr]     Checking rand_core v0.6.4
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[INFO] [stderr]    Compiling anyhow v1.0.81
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[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
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[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking dyn-clonable v0.9.0
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[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling gc-arena-derive v0.3.3
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[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
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[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
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[INFO] [stderr]     Checking oca-bundle v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Attribute` is imported redundantly
[INFO] [stdout]    --> src/state/oca/overlay/unit.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |     use super::*;
[INFO] [stdout]     |         -------- the item `Attribute` is already imported here
[INFO] [stdout] 264 |     use crate::state::attribute::Attribute;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MeasurementSystem` is imported redundantly
[INFO] [stdout]    --> src/state/oca/overlay/unit.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |     use super::*;
[INFO] [stdout]     |         -------- the item `MeasurementSystem` is already imported here
[INFO] [stdout] 264 |     use crate::state::attribute::Attribute;
[INFO] [stdout] 265 |     use crate::state::oca::overlay::unit::MeasurementSystem;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AttributeType` is imported redundantly
[INFO] [stdout]     --> src/state/oca.rs:1241:9
[INFO] [stdout]      |
[INFO] [stdout] 1241 |     use crate::state::attribute::AttributeType;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1242 |     use super::*;
[INFO] [stdout]      |         -------- the item `AttributeType` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AttributeType` is imported redundantly
[INFO] [stdout]    --> src/state/validator.rs:389:32
[INFO] [stdout]     |
[INFO] [stdout] 386 |     use super::*;
[INFO] [stdout]     |         -------- the item `AttributeType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 389 |         attribute::{Attribute, AttributeType},
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StandardAttribute` is never used
[INFO] [stdout]  --> src/state/oca/overlay/standard.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) trait StandardAttribute {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StandardAttribute` is never used
[INFO] [stdout]  --> src/state/oca/overlay/standard.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) trait StandardAttribute {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.38s
[INFO] running `Command { std: "docker" "inspect" "f9646dbd196c8ca27b36eb152711e856c32ea6ca771a76a370fcb27540d3b89d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9646dbd196c8ca27b36eb152711e856c32ea6ca771a76a370fcb27540d3b89d", kill_on_drop: false }`
[INFO] [stdout] f9646dbd196c8ca27b36eb152711e856c32ea6ca771a76a370fcb27540d3b89d