[INFO] fetching crate ferris-finder 0.2.1...
[INFO] testing ferris-finder-0.2.1 against 1.83.0 for beta-1.84.0-4-retry
[INFO] extracting crate ferris-finder 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ferris-finder 0.2.1 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ferris-finder 0.2.1
[INFO] finished tweaking crates.io crate ferris-finder 0.2.1
[INFO] tweaked toml for crates.io crate ferris-finder 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate ferris-finder 0.2.1 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a801b764c6be10a86acc8836955c8adfc66e0ce4af361fb5a21b8c28527cc35
[INFO] running `Command { std: "docker" "start" "-a" "2a801b764c6be10a86acc8836955c8adfc66e0ce4af361fb5a21b8c28527cc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a801b764c6be10a86acc8836955c8adfc66e0ce4af361fb5a21b8c28527cc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a801b764c6be10a86acc8836955c8adfc66e0ce4af361fb5a21b8c28527cc35", kill_on_drop: false }`
[INFO] [stdout] 2a801b764c6be10a86acc8836955c8adfc66e0ce4af361fb5a21b8c28527cc35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f49a72cc6d194e6de312ce4d6c233288bce2d111a45ead51f791bef6e61674b
[INFO] running `Command { std: "docker" "start" "-a" "5f49a72cc6d194e6de312ce4d6c233288bce2d111a45ead51f791bef6e61674b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling once_cell v1.12.0
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[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.28
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling tracing v0.1.35
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling signal-hook v0.3.14
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[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling smallvec v1.8.1
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[INFO] [stderr]    Compiling tokio v1.19.2
[INFO] [stderr]    Compiling tinyvec v1.6.0
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[INFO] [stderr]    Compiling crossterm v0.26.1
[INFO] [stderr]    Compiling fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling color-eyre v0.6.2
[INFO] [stderr]    Compiling hyper v0.14.19
[INFO] [stderr]    Compiling reqwest v0.11.18
[INFO] [stderr]    Compiling ferris-finder v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `category` is never read
[INFO] [stdout]  --> src/ucd.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CharEntry {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub category: GeneralCategory,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CharEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "5f49a72cc6d194e6de312ce4d6c233288bce2d111a45ead51f791bef6e61674b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f49a72cc6d194e6de312ce4d6c233288bce2d111a45ead51f791bef6e61674b", kill_on_drop: false }`
[INFO] [stdout] 5f49a72cc6d194e6de312ce4d6c233288bce2d111a45ead51f791bef6e61674b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf9e6a7c927e8799afcf70ae07bab00896b673cdf767e9bbd8c078043df453ea
[INFO] running `Command { std: "docker" "start" "-a" "bf9e6a7c927e8799afcf70ae07bab00896b673cdf767e9bbd8c078043df453ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling ferris-finder v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `category` is never read
[INFO] [stdout]  --> src/ucd.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CharEntry {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub category: GeneralCategory,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CharEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "bf9e6a7c927e8799afcf70ae07bab00896b673cdf767e9bbd8c078043df453ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9e6a7c927e8799afcf70ae07bab00896b673cdf767e9bbd8c078043df453ea", kill_on_drop: false }`
[INFO] [stdout] bf9e6a7c927e8799afcf70ae07bab00896b673cdf767e9bbd8c078043df453ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2eca785e57837e9c41cdf0daf918eebc54b5b60dc69ab4c3fcdc4cf0a184d713
[INFO] running `Command { std: "docker" "start" "-a" "2eca785e57837e9c41cdf0daf918eebc54b5b60dc69ab4c3fcdc4cf0a184d713", kill_on_drop: false }`
[INFO] [stderr] warning: field `category` is never read
[INFO] [stderr]  --> src/ucd.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct CharEntry {
[INFO] [stderr]   |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 7 |     pub category: GeneralCategory,
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `CharEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ferris-finder` (bin "ferris-finder" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ferris_finder-1bc1f221cb012177)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2eca785e57837e9c41cdf0daf918eebc54b5b60dc69ab4c3fcdc4cf0a184d713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eca785e57837e9c41cdf0daf918eebc54b5b60dc69ab4c3fcdc4cf0a184d713", kill_on_drop: false }`
[INFO] [stdout] 2eca785e57837e9c41cdf0daf918eebc54b5b60dc69ab4c3fcdc4cf0a184d713
