[INFO] fetching crate tktax-io 0.2.2...
[INFO] testing tktax-io-0.2.2 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate tktax-io 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tktax-io 0.2.2
[INFO] finished tweaking crates.io crate tktax-io 0.2.2
[INFO] tweaked toml for crates.io crate tktax-io 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tktax-io 0.2.2 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tktax-io 0.2.2 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5acc06aaeed34294e4a2ed049583ae669904b2975e2cf29217e4128567102de0
[INFO] running `Command { std: "docker" "start" "-a" "5acc06aaeed34294e4a2ed049583ae669904b2975e2cf29217e4128567102de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5acc06aaeed34294e4a2ed049583ae669904b2975e2cf29217e4128567102de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5acc06aaeed34294e4a2ed049583ae669904b2975e2cf29217e4128567102de0", kill_on_drop: false }`
[INFO] [stdout] 5acc06aaeed34294e4a2ed049583ae669904b2975e2cf29217e4128567102de0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b7b79dea76eede92639ee9dca00e7af6c209707ac80f56df28186f03ec1e717
[INFO] running `Command { std: "docker" "start" "-a" "1b7b79dea76eede92639ee9dca00e7af6c209707ac80f56df28186f03ec1e717", kill_on_drop: false }`
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[INFO] [stderr]    Compiling scan-crate-for-typedefs v0.8.1
[INFO] [stderr]    Compiling named-item v0.1.0
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
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[INFO] [stderr]    Compiling tracing-setup v1.0.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling tktax-3p v0.2.2
[INFO] [stderr]    Compiling error-tree v0.3.7
[INFO] [stderr]    Compiling linfa-linalg v0.1.0
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[INFO] [stderr]    Compiling async-trait v0.1.85
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling traced-test v1.0.2
[INFO] [stderr]    Compiling linfa-preprocessing v0.7.0
[INFO] [stderr]    Compiling derive_builder v0.20.2
[INFO] [stderr]    Compiling getset v0.1.3
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling rust-stemmers v1.2.0
[INFO] [stderr]    Compiling config v0.15.6
[INFO] [stderr]    Compiling linfa-bayes v0.7.1
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling error-tree v0.6.0
[INFO] [stdout] error[E0432]: unresolved import `std::assert_matches`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tktax-3p-0.2.2/src/lib.rs:99:14
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub use std::assert_matches::assert_matches;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ could not find `assert_matches` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tktax-3p` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1b7b79dea76eede92639ee9dca00e7af6c209707ac80f56df28186f03ec1e717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7b79dea76eede92639ee9dca00e7af6c209707ac80f56df28186f03ec1e717", kill_on_drop: false }`
[INFO] [stdout] 1b7b79dea76eede92639ee9dca00e7af6c209707ac80f56df28186f03ec1e717
