[INFO] fetching crate uiuifree-text-data 0.1.10...
[INFO] checking uiuifree-text-data-0.1.10 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate uiuifree-text-data 0.1.10 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate uiuifree-text-data 0.1.10 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 uiuifree-text-data 0.1.10
[INFO] finished tweaking crates.io crate uiuifree-text-data 0.1.10
[INFO] tweaked toml for crates.io crate uiuifree-text-data 0.1.10 written to /workspace/builds/worker-4-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 105 packages
[INFO] [stderr]       Adding aho-corasick v0.5.3 (latest: v1.1.3)
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[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding memchr v0.1.11 (latest: v2.7.2)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding quick-xml v0.28.2 (latest: v0.31.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding regex v0.1.80 (latest: v1.10.4)
[INFO] [stderr]       Adding regex-syntax v0.3.9 (latest: v0.8.3)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding thread-id v2.0.0 (latest: v4.2.1)
[INFO] [stderr]       Adding thread_local v0.2.7 (latest: v1.1.8)
[INFO] [stderr]       Adding utf8-ranges v0.1.3 (latest: v1.0.5)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding yaml-rust v0.3.5 (latest: v0.4.5)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded stfu8 v0.2.7
[INFO] [stderr]   Downloaded uiuifree-normalize v0.1.1
[INFO] [stderr]   Downloaded calamine v0.21.2
[INFO] [stderr]   Downloaded unicode-jp v0.4.0
[INFO] [stderr]   Downloaded voca_rs v1.15.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 103f2310fa174edf95177a70d5ea8cc8cdae634d8ce53f4de5c113128d0d4eea
[INFO] running `Command { std: "docker" "start" "-a" "103f2310fa174edf95177a70d5ea8cc8cdae634d8ce53f4de5c113128d0d4eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "103f2310fa174edf95177a70d5ea8cc8cdae634d8ce53f4de5c113128d0d4eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103f2310fa174edf95177a70d5ea8cc8cdae634d8ce53f4de5c113128d0d4eea", kill_on_drop: false }`
[INFO] [stdout] 103f2310fa174edf95177a70d5ea8cc8cdae634d8ce53f4de5c113128d0d4eea
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50f0346df6d9b6c025a975f8de3eb6ebbcc77b078103bf6a2d14cc33f32bb946
[INFO] running `Command { std: "docker" "start" "-a" "50f0346df6d9b6c025a975f8de3eb6ebbcc77b078103bf6a2d14cc33f32bb946", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking stfu8 v0.2.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking codepage v0.1.1
[INFO] [stderr]     Checking quick-xml v0.28.2
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking voca_rs v1.15.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking calamine v0.21.2
[INFO] [stderr]     Checking unicode-jp v0.4.0
[INFO] [stderr]     Checking uiuifree-normalize v0.1.1
[INFO] [stderr]     Checking uiuifree-text-data v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/test_csv.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut csv = CsvTokenizer::new("./tests/test.csv");
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> tests/test_csv.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Hoge {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 39 |     data: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hoge` 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.28s
[INFO] running `Command { std: "docker" "inspect" "50f0346df6d9b6c025a975f8de3eb6ebbcc77b078103bf6a2d14cc33f32bb946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f0346df6d9b6c025a975f8de3eb6ebbcc77b078103bf6a2d14cc33f32bb946", kill_on_drop: false }`
[INFO] [stdout] 50f0346df6d9b6c025a975f8de3eb6ebbcc77b078103bf6a2d14cc33f32bb946