[INFO] fetching crate datahobbit 1.0.0...
[INFO] testing datahobbit-1.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate datahobbit 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate datahobbit 1.0.0
[INFO] finished tweaking crates.io crate datahobbit 1.0.0
[INFO] tweaked toml for crates.io crate datahobbit 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate datahobbit 1.0.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate datahobbit 1.0.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c55f926e160e0d7b6a04c27c84cd06336ff833c9a13c19590e4a3752d6aac839
[INFO] running `Command { std: "docker" "start" "-a" "c55f926e160e0d7b6a04c27c84cd06336ff833c9a13c19590e4a3752d6aac839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c55f926e160e0d7b6a04c27c84cd06336ff833c9a13c19590e4a3752d6aac839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55f926e160e0d7b6a04c27c84cd06336ff833c9a13c19590e4a3752d6aac839", kill_on_drop: false }`
[INFO] [stdout] c55f926e160e0d7b6a04c27c84cd06336ff833c9a13c19590e4a3752d6aac839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcd12cd8ca229c0d1662164b5fbf28ba604523fa39a625c15a38156c42b2f211
[INFO] running `Command { std: "docker" "start" "-a" "fcd12cd8ca229c0d1662164b5fbf28ba604523fa39a625c15a38156c42b2f211", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling bytes v1.8.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling arrow-schema v53.2.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling lexical-util v1.0.3
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling heck v0.5.0
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[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling syn v2.0.87
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[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling lexical-write-integer v1.0.2
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.2
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[INFO] [stderr]    Compiling anstyle-parse v0.2.6
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[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling lexical-write-float v1.0.2
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling lexical-parse-float v1.0.2
[INFO] [stderr]    Compiling portable-atomic v1.9.0
[INFO] [stderr]    Compiling hashbrown v0.15.1
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling cc v1.2.1
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[INFO] [stderr]    Compiling brotli-decompressor v4.0.1
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling lexical-core v1.0.2
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling clap_lex v0.7.3
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling lz4_flex v0.11.3
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling clap_builder v4.5.21
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.6
[INFO] [stderr]    Compiling pyo3-ffi v0.22.6
[INFO] [stderr]    Compiling pyo3 v0.22.6
[INFO] [stderr]    Compiling thrift v0.17.0
[INFO] [stderr]    Compiling brotli v7.0.0
[INFO] [stderr]    Compiling unindent v0.2.3
[INFO] [stderr]    Compiling deunicode v1.6.0
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling indicatif v0.17.9
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling arrow-buffer v53.2.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling arrow-data v53.2.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling arrow-array v53.2.0
[INFO] [stderr]    Compiling clap v4.5.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling dummy v0.9.1
[INFO] [stderr]    Compiling zstd v0.13.2
[INFO] [stderr]    Compiling fake v3.0.1
[INFO] [stderr]    Compiling pyo3-macros v0.22.6
[INFO] [stderr]    Compiling arrow-select v53.2.0
[INFO] [stderr]    Compiling arrow-arith v53.2.0
[INFO] [stderr]    Compiling arrow-row v53.2.0
[INFO] [stderr]    Compiling arrow-cast v53.2.0
[INFO] [stderr]    Compiling arrow-string v53.2.0
[INFO] [stderr]    Compiling arrow-ord v53.2.0
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling arrow-ipc v53.2.0
[INFO] [stderr]    Compiling arrow-csv v53.2.0
[INFO] [stderr]    Compiling arrow-json v53.2.0
[INFO] [stderr]    Compiling parquet v53.2.0
[INFO] [stderr]    Compiling arrow v53.2.0
[INFO] [stderr]    Compiling datahobbit v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `current_file_size` is never read
[INFO] [stdout]    --> src/csv_generators.rs:117:37
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut current_file_size = 0;
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `current_file_size` is never read
[INFO] [stdout]    --> src/csv_generators.rs:117:37
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut current_file_size = 0;
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "fcd12cd8ca229c0d1662164b5fbf28ba604523fa39a625c15a38156c42b2f211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd12cd8ca229c0d1662164b5fbf28ba604523fa39a625c15a38156c42b2f211", kill_on_drop: false }`
[INFO] [stdout] fcd12cd8ca229c0d1662164b5fbf28ba604523fa39a625c15a38156c42b2f211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 949bce49a5d2685bc1653823812627da7ab7e3c1c079a2bd64ae47de28e249b4
[INFO] running `Command { std: "docker" "start" "-a" "949bce49a5d2685bc1653823812627da7ab7e3c1c079a2bd64ae47de28e249b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling datahobbit v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `current_file_size` is never read
[INFO] [stdout]    --> src/csv_generators.rs:117:37
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut current_file_size = 0;
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `current_file_size` is never read
[INFO] [stdout]    --> src/csv_generators.rs:117:37
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut current_file_size = 0;
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "949bce49a5d2685bc1653823812627da7ab7e3c1c079a2bd64ae47de28e249b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949bce49a5d2685bc1653823812627da7ab7e3c1c079a2bd64ae47de28e249b4", kill_on_drop: false }`
[INFO] [stdout] 949bce49a5d2685bc1653823812627da7ab7e3c1c079a2bd64ae47de28e249b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf0e66f92a99b162ae0c744ea2507348572402c3754a94c99389d99bf700a842
[INFO] running `Command { std: "docker" "start" "-a" "cf0e66f92a99b162ae0c744ea2507348572402c3754a94c99389d99bf700a842", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `current_file_size` is never read
[INFO] [stderr]    --> src/csv_generators.rs:117:37
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let mut current_file_size = 0;
[INFO] [stderr]     |                                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `datahobbit` (bin "datahobbit" test) generated 1 warning
[INFO] [stderr] warning: `datahobbit` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/datahobbit-f6482a7a7b66cfb9)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/datahobbit-a092dbbb0a1bb629)
[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] [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" "cf0e66f92a99b162ae0c744ea2507348572402c3754a94c99389d99bf700a842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf0e66f92a99b162ae0c744ea2507348572402c3754a94c99389d99bf700a842", kill_on_drop: false }`
[INFO] [stdout] cf0e66f92a99b162ae0c744ea2507348572402c3754a94c99389d99bf700a842