[INFO] cloning repository https://github.com/takaaa220/json_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takaaa220/json_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakaaa220%2Fjson_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakaaa220%2Fjson_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 165bf5e5dd6070fa15e8322ea96f18a2005032d6
[INFO] checking takaaa220/json_parser/165bf5e5dd6070fa15e8322ea96f18a2005032d6 against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakaaa220%2Fjson_parser" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/takaaa220/json_parser
[INFO] finished tweaking git repo https://github.com/takaaa220/json_parser
[INFO] tweaked toml for git repo https://github.com/takaaa220/json_parser written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/takaaa220/json_parser on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/takaaa220/json_parser 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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f3c157e0c7a16d6b6f4b7421ca9d2ae46ca7ebbe3cfa91d2a7b793181b420d6
[INFO] running `Command { std: "docker" "start" "-a" "3f3c157e0c7a16d6b6f4b7421ca9d2ae46ca7ebbe3cfa91d2a7b793181b420d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f3c157e0c7a16d6b6f4b7421ca9d2ae46ca7ebbe3cfa91d2a7b793181b420d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3c157e0c7a16d6b6f4b7421ca9d2ae46ca7ebbe3cfa91d2a7b793181b420d6", kill_on_drop: false }`
[INFO] [stdout] 3f3c157e0c7a16d6b6f4b7421ca9d2ae46ca7ebbe3cfa91d2a7b793181b420d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1e55ba27cfe228de9aea643f7091a52ab268ac8da2afe51ae71f68b11aaac18
[INFO] running `Command { std: "docker" "start" "-a" "b1e55ba27cfe228de9aea643f7091a52ab268ac8da2afe51ae71f68b11aaac18", kill_on_drop: false }`
[INFO] [stderr]     Checking json_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lexer.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(input: &str) -> Lexer {
[INFO] [stdout]    |                       ^^^^     ----- the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(input: &str) -> Lexer<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]    --> src/lexer.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 | /         number_strs.map(|(input, expect)| {
[INFO] [stdout] 295 | |             let tokens = Lexer::new(input).tokenize().unwrap();
[INFO] [stdout] 296 | |             assert_eq!(tokens[0], expect);
[INFO] [stdout] 297 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 294 |         let _ = number_strs.map(|(input, expect)| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]    --> src/lexer.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 | /         string_strs.map(|(input, expect)| {
[INFO] [stdout] 318 | |             let tokens = Lexer::new(input).tokenize().unwrap();
[INFO] [stdout] 319 | |             assert_eq!(tokens[0], expect);
[INFO] [stdout] 320 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let _ = string_strs.map(|(input, expect)| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lexer.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(input: &str) -> Lexer {
[INFO] [stdout]    |                       ^^^^     ----- the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(input: &str) -> Lexer<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "b1e55ba27cfe228de9aea643f7091a52ab268ac8da2afe51ae71f68b11aaac18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1e55ba27cfe228de9aea643f7091a52ab268ac8da2afe51ae71f68b11aaac18", kill_on_drop: false }`
[INFO] [stdout] b1e55ba27cfe228de9aea643f7091a52ab268ac8da2afe51ae71f68b11aaac18
