[INFO] cloning repository https://github.com/shika-blyat/json-parser2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shika-blyat/json-parser2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fjson-parser2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fjson-parser2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9bec9bed3a757f16803d6e28de89ca84b14e16c
[INFO] checking shika-blyat/json-parser2 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fjson-parser2" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shika-blyat/json-parser2 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shika-blyat/json-parser2
[INFO] finished tweaking git repo https://github.com/shika-blyat/json-parser2
[INFO] tweaked toml for git repo https://github.com/shika-blyat/json-parser2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/shika-blyat/json-parser2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d44caefe00e82ff7c43fb82ffff62c9cca16ff4a702a1c4151eeaf1dfbde904e
[INFO] running `Command { std: "docker" "start" "-a" "d44caefe00e82ff7c43fb82ffff62c9cca16ff4a702a1c4151eeaf1dfbde904e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d44caefe00e82ff7c43fb82ffff62c9cca16ff4a702a1c4151eeaf1dfbde904e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44caefe00e82ff7c43fb82ffff62c9cca16ff4a702a1c4151eeaf1dfbde904e", kill_on_drop: false }`
[INFO] [stdout] d44caefe00e82ff7c43fb82ffff62c9cca16ff4a702a1c4151eeaf1dfbde904e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 09d86c444bee2097494614b6fae2ce711da17ff9795e84cdb2ff99960b38526e
[INFO] running `Command { std: "docker" "start" "-a" "09d86c444bee2097494614b6fae2ce711da17ff9795e84cdb2ff99960b38526e", kill_on_drop: false }`
[INFO] [stderr]     Checking json-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/parser.rs:116:41
[INFO] [stdout]     |
[INFO] [stdout] 116 |     tok_kind!(string, TokenKind::String(s), Value, Value::String(s));
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/parser.rs:117:35
[INFO] [stdout]     |
[INFO] [stdout] 117 |     tok_kind!(num, TokenKind::Num(n), Value, Value::Number(n));
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/parser.rs:119:37
[INFO] [stdout]     |
[INFO] [stdout] 119 |     tok_kind!(bool, TokenKind::Bool(b), Value, Value::Bool(b));
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/parser.rs:116:41
[INFO] [stdout]     |
[INFO] [stdout] 116 |     tok_kind!(string, TokenKind::String(s), Value, Value::String(s));
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/parser.rs:117:35
[INFO] [stdout]     |
[INFO] [stdout] 117 |     tok_kind!(num, TokenKind::Num(n), Value, Value::Number(n));
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/parser.rs:119:37
[INFO] [stdout]     |
[INFO] [stdout] 119 |     tok_kind!(bool, TokenKind::Bool(b), Value, Value::Bool(b));
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "09d86c444bee2097494614b6fae2ce711da17ff9795e84cdb2ff99960b38526e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d86c444bee2097494614b6fae2ce711da17ff9795e84cdb2ff99960b38526e", kill_on_drop: false }`
[INFO] [stdout] 09d86c444bee2097494614b6fae2ce711da17ff9795e84cdb2ff99960b38526e