[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 against try#724e78794d2cf06eef820a24c9a4608d63435e1d for pr-149145 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakaaa220%2Fjson_parser" "/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/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-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/takaaa220/json_parser on toolchain 724e78794d2cf06eef820a24c9a4608d63435e1d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "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" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "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-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f81f312b3e3a4b8f9adbc05e373589dba4c48a3ef5301f2d3047cf145849166 [INFO] running `Command { std: "docker" "start" "-a" "3f81f312b3e3a4b8f9adbc05e373589dba4c48a3ef5301f2d3047cf145849166", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f81f312b3e3a4b8f9adbc05e373589dba4c48a3ef5301f2d3047cf145849166", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f81f312b3e3a4b8f9adbc05e373589dba4c48a3ef5301f2d3047cf145849166", kill_on_drop: false }` [INFO] [stdout] 3f81f312b3e3a4b8f9adbc05e373589dba4c48a3ef5301f2d3047cf145849166 [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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc65ff8aac8150778e6f0356ec1434ce05f2ceef61c41f03817d8a37b0f94965 [INFO] running `Command { std: "docker" "start" "-a" "dc65ff8aac8150778e6f0356ec1434ce05f2ceef61c41f03817d8a37b0f94965", 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: 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::::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)]` (part of `#[warn(unused)]`) 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::::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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "dc65ff8aac8150778e6f0356ec1434ce05f2ceef61c41f03817d8a37b0f94965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc65ff8aac8150778e6f0356ec1434ce05f2ceef61c41f03817d8a37b0f94965", kill_on_drop: false }` [INFO] [stdout] dc65ff8aac8150778e6f0356ec1434ce05f2ceef61c41f03817d8a37b0f94965