[INFO] cloning repository https://github.com/benicchi/json-conveter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benicchi/json-conveter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenicchi%2Fjson-conveter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenicchi%2Fjson-conveter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90576127d05a198dae7fa4211abf7cd883246941
[INFO] checking benicchi/json-conveter against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenicchi%2Fjson-conveter" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/benicchi/json-conveter
[INFO] finished tweaking git repo https://github.com/benicchi/json-conveter
[INFO] tweaked toml for git repo https://github.com/benicchi/json-conveter written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benicchi/json-conveter on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/benicchi/json-conveter 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" "+32cd9114712a24010b0583624dc52ac302194128" "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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f497c4ce136fc48b821077854bc5f2f6831605d1e1a3c96fc9136f9086847803
[INFO] running `Command { std: "docker" "start" "-a" "f497c4ce136fc48b821077854bc5f2f6831605d1e1a3c96fc9136f9086847803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f497c4ce136fc48b821077854bc5f2f6831605d1e1a3c96fc9136f9086847803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f497c4ce136fc48b821077854bc5f2f6831605d1e1a3c96fc9136f9086847803", kill_on_drop: false }`
[INFO] [stdout] f497c4ce136fc48b821077854bc5f2f6831605d1e1a3c96fc9136f9086847803
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36072b6966313d0523f3abf076f324891dcc1f935e76f9f3336fdeed3678ca22
[INFO] running `Command { std: "docker" "start" "-a" "36072b6966313d0523f3abf076f324891dcc1f935e76f9f3336fdeed3678ca22", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]     Checking json-conveter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/main.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufReader, Read, Write};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/main.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufReader, Read, Write};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `last_close_index` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut last_close_index: Option<usize> = None;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_last_close_index` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_close_index` is never read
[INFO] [stdout]   --> src/main.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 last_close_index = Some(close.len() - 1);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ts` is never read
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct InputData {
[INFO] [stdout]   |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     ts: f64,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `InputData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `pairIndex` should have a snake case name
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pairIndex: u64,
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to snake case: `pair_index`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `last_close_index` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut last_close_index: Option<usize> = None;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_last_close_index` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_close_index` is never read
[INFO] [stdout]   --> src/main.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 last_close_index = Some(close.len() - 1);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ts` is never read
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct InputData {
[INFO] [stdout]   |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     ts: f64,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `InputData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `pairIndex` should have a snake case name
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pairIndex: u64,
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to snake case: `pair_index`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.31s
[INFO] running `Command { std: "docker" "inspect" "36072b6966313d0523f3abf076f324891dcc1f935e76f9f3336fdeed3678ca22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36072b6966313d0523f3abf076f324891dcc1f935e76f9f3336fdeed3678ca22", kill_on_drop: false }`
[INFO] [stdout] 36072b6966313d0523f3abf076f324891dcc1f935e76f9f3336fdeed3678ca22