[INFO] cloning repository https://github.com/chibx/json-parser-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chibx/json-parser-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchibx%2Fjson-parser-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchibx%2Fjson-parser-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0232827d8c9e510111e648335ac5e29f018d667d
[INFO] checking chibx/json-parser-rs against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchibx%2Fjson-parser-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chibx/json-parser-rs
[INFO] finished tweaking git repo https://github.com/chibx/json-parser-rs
[INFO] tweaked toml for git repo https://github.com/chibx/json-parser-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chibx/json-parser-rs on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chibx/json-parser-rs 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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9a09ca3d55e4192cbf3015a43fb9d37676ea676191141e85a02ee7f37a15041
[INFO] running `Command { std: "docker" "start" "-a" "a9a09ca3d55e4192cbf3015a43fb9d37676ea676191141e85a02ee7f37a15041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9a09ca3d55e4192cbf3015a43fb9d37676ea676191141e85a02ee7f37a15041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a09ca3d55e4192cbf3015a43fb9d37676ea676191141e85a02ee7f37a15041", kill_on_drop: false }`
[INFO] [stdout] a9a09ca3d55e4192cbf3015a43fb9d37676ea676191141e85a02ee7f37a15041
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d54376f2ecc0d2071a66d8ed50f3da3c8db25f8eb1b5ed7a43ea38e09bd1fcda
[INFO] running `Command { std: "docker" "start" "-a" "d54376f2ecc0d2071a66d8ed50f3da3c8db25f8eb1b5ed7a43ea38e09bd1fcda", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rust-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Duration`, `self`, and `thread::sleep`
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fs::{self, File},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 3 |     io::Read,
[INFO] [stdout] 4 |     thread::sleep,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     time::{Duration, Instant},
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `self`, and `thread::sleep`
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fs::{self, File},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 3 |     io::Read,
[INFO] [stdout] 4 |     thread::sleep,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     time::{Duration, Instant},
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let result = json_parser::parse(&json);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/json_parser.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ARRAY(Vec<JSONValue>),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JSONValue` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 -     ARRAY(Vec<JSONValue>),
[INFO] [stdout] 36 +     ARRAY(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/json_parser.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     OBJECT(HashMap<String, JSONValue>),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JSONValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 37 -     OBJECT(HashMap<String, JSONValue>),
[INFO] [stdout] 37 +     OBJECT(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/json_parser.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     STRING(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JSONValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 38 -     STRING(String),
[INFO] [stdout] 38 +     STRING(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NULL` and `NUMBER` are never constructed
[INFO] [stdout]   --> src/json_parser.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum JSONValue {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 35 |     NULL,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     NUMBER,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JSONValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TOKEN` should have a snake case name
[INFO] [stdout]   --> src/json_parser.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let TOKEN = &_TOKENS;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TOKEN` should have a snake case name
[INFO] [stdout]    --> src/json_parser.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let TOKEN = &_TOKENS;
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TOKEN` should have a snake case name
[INFO] [stdout]    --> src/json_parser.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let TOKEN = &_TOKENS;
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TOKEN` should have a snake case name
[INFO] [stdout]    --> src/json_parser.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let TOKEN = &_TOKENS;
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let result = json_parser::parse(&json);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/json_parser.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ARRAY(Vec<JSONValue>),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JSONValue` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 -     ARRAY(Vec<JSONValue>),
[INFO] [stdout] 36 +     ARRAY(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/json_parser.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     OBJECT(HashMap<String, JSONValue>),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JSONValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 37 -     OBJECT(HashMap<String, JSONValue>),
[INFO] [stdout] 37 +     OBJECT(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/json_parser.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     STRING(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JSONValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 38 -     STRING(String),
[INFO] [stdout] 38 +     STRING(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NULL` and `NUMBER` are never constructed
[INFO] [stdout]   --> src/json_parser.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum JSONValue {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 35 |     NULL,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     NUMBER,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JSONValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TOKEN` should have a snake case name
[INFO] [stdout]   --> src/json_parser.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let TOKEN = &_TOKENS;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TOKEN` should have a snake case name
[INFO] [stdout]    --> src/json_parser.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let TOKEN = &_TOKENS;
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TOKEN` should have a snake case name
[INFO] [stdout]    --> src/json_parser.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let TOKEN = &_TOKENS;
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TOKEN` should have a snake case name
[INFO] [stdout]    --> src/json_parser.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let TOKEN = &_TOKENS;
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `Command { std: "docker" "inspect" "d54376f2ecc0d2071a66d8ed50f3da3c8db25f8eb1b5ed7a43ea38e09bd1fcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54376f2ecc0d2071a66d8ed50f3da3c8db25f8eb1b5ed7a43ea38e09bd1fcda", kill_on_drop: false }`
[INFO] [stdout] d54376f2ecc0d2071a66d8ed50f3da3c8db25f8eb1b5ed7a43ea38e09bd1fcda
