[INFO] fetching crate csv2struct 0.1.0...
[INFO] testing csv2struct-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate csv2struct 0.1.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate csv2struct 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate csv2struct 0.1.0
[INFO] finished tweaking crates.io crate csv2struct 0.1.0
[INFO] tweaked toml for crates.io crate csv2struct 0.1.0 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6e4b935880ffaf9a70c14a4f803089e04a7178df611f6f9b9d06943202b4696
[INFO] running `Command { std: "docker" "start" "-a" "b6e4b935880ffaf9a70c14a4f803089e04a7178df611f6f9b9d06943202b4696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6e4b935880ffaf9a70c14a4f803089e04a7178df611f6f9b9d06943202b4696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e4b935880ffaf9a70c14a4f803089e04a7178df611f6f9b9d06943202b4696", kill_on_drop: false }`
[INFO] [stdout] b6e4b935880ffaf9a70c14a4f803089e04a7178df611f6f9b9d06943202b4696
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0af95234301dd1bfcb3f527e4e4f688f7faa89f04c8701c441685699006a7097
[INFO] running `Command { std: "docker" "start" "-a" "0af95234301dd1bfcb3f527e4e4f688f7faa89f04c8701c441685699006a7097", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling csv2struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `type_name` is never read
[INFO] [stdout]    --> src/main.rs:230:21
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut type_name = String::new();
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.37s
[INFO] running `Command { std: "docker" "inspect" "0af95234301dd1bfcb3f527e4e4f688f7faa89f04c8701c441685699006a7097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af95234301dd1bfcb3f527e4e4f688f7faa89f04c8701c441685699006a7097", kill_on_drop: false }`
[INFO] [stdout] 0af95234301dd1bfcb3f527e4e4f688f7faa89f04c8701c441685699006a7097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03062802a886e0b63fdeb4530eb8e7459d2565223e67d1c50b8f98c983f8b52b
[INFO] running `Command { std: "docker" "start" "-a" "03062802a886e0b63fdeb4530eb8e7459d2565223e67d1c50b8f98c983f8b52b", kill_on_drop: false }`
[INFO] [stderr]    Compiling csv2struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `type_name` is never read
[INFO] [stdout]    --> src/main.rs:230:21
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut type_name = String::new();
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "03062802a886e0b63fdeb4530eb8e7459d2565223e67d1c50b8f98c983f8b52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03062802a886e0b63fdeb4530eb8e7459d2565223e67d1c50b8f98c983f8b52b", kill_on_drop: false }`
[INFO] [stdout] 03062802a886e0b63fdeb4530eb8e7459d2565223e67d1c50b8f98c983f8b52b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2933440350fc877aea8bb222c01daad50b14ee3fdfa2ea1d9ba7647a3ab51f8f
[INFO] running `Command { std: "docker" "start" "-a" "2933440350fc877aea8bb222c01daad50b14ee3fdfa2ea1d9ba7647a3ab51f8f", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `type_name` is never read
[INFO] [stderr]    --> src/main.rs:230:21
[INFO] [stderr]     |
[INFO] [stderr] 230 |             let mut type_name = String::new();
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `csv2struct` (bin "csv2struct" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/csv2struct-eb789fc7534fd58b)
[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" "2933440350fc877aea8bb222c01daad50b14ee3fdfa2ea1d9ba7647a3ab51f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2933440350fc877aea8bb222c01daad50b14ee3fdfa2ea1d9ba7647a3ab51f8f", kill_on_drop: false }`
[INFO] [stdout] 2933440350fc877aea8bb222c01daad50b14ee3fdfa2ea1d9ba7647a3ab51f8f