[INFO] cloning repository https://github.com/KyussCaesar/csv2struct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KyussCaesar/csv2struct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKyussCaesar%2Fcsv2struct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKyussCaesar%2Fcsv2struct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36126a0491eb3fe1b12842c9a7199496586e1208
[INFO] checking KyussCaesar/csv2struct against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKyussCaesar%2Fcsv2struct" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KyussCaesar/csv2struct
[INFO] finished tweaking git repo https://github.com/KyussCaesar/csv2struct
[INFO] tweaked toml for git repo https://github.com/KyussCaesar/csv2struct written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KyussCaesar/csv2struct on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KyussCaesar/csv2struct 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csv-core v0.1.5
[INFO] [stderr]   Downloaded serde v1.0.85
[INFO] [stderr]   Downloaded csv v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65e2dcef346176411468967c2aa0e5a8aca6192cd8fa60e9c550e5fd3bf1f6f0
[INFO] running `Command { std: "docker" "start" "-a" "65e2dcef346176411468967c2aa0e5a8aca6192cd8fa60e9c550e5fd3bf1f6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65e2dcef346176411468967c2aa0e5a8aca6192cd8fa60e9c550e5fd3bf1f6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e2dcef346176411468967c2aa0e5a8aca6192cd8fa60e9c550e5fd3bf1f6f0", kill_on_drop: false }`
[INFO] [stdout] 65e2dcef346176411468967c2aa0e5a8aca6192cd8fa60e9c550e5fd3bf1f6f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a131a1701aa36892e53fe3e7947b362c90ad7512fcdfd37f12edab7a5d726736
[INFO] running `Command { std: "docker" "start" "-a" "a131a1701aa36892e53fe3e7947b362c90ad7512fcdfd37f12edab7a5d726736", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking csv2struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `type_name` is never read
[INFO] [stdout]    --> src/main.rs:230:33
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut type_name = String::new();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 258 |                 type_name = String::from("i32");
[INFO] [stdout]     |                 --------- `type_name` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `type_name` is never read
[INFO] [stdout]    --> src/main.rs:230:33
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut type_name = String::new();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 258 |                 type_name = String::from("i32");
[INFO] [stdout]     |                 --------- `type_name` is overwritten here before the previous value is read
[INFO] [stdout]     |
[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 4.61s
[INFO] running `Command { std: "docker" "inspect" "a131a1701aa36892e53fe3e7947b362c90ad7512fcdfd37f12edab7a5d726736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a131a1701aa36892e53fe3e7947b362c90ad7512fcdfd37f12edab7a5d726736", kill_on_drop: false }`
[INFO] [stdout] a131a1701aa36892e53fe3e7947b362c90ad7512fcdfd37f12edab7a5d726736
