[INFO] cloning repository https://github.com/tninomiya/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/tninomiya/json_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftninomiya%2Fjson_parser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftninomiya%2Fjson_parser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d609d6be22a8753bfa755cc9f0a02e86bc6e18d6 [INFO] checking tninomiya/json_parser against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftninomiya%2Fjson_parser" "/workspace/builds/worker-53/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tninomiya/json_parser on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tninomiya/json_parser [INFO] finished tweaking git repo https://github.com/tninomiya/json_parser [INFO] tweaked toml for git repo https://github.com/tninomiya/json_parser written to /workspace/builds/worker-53/source/Cargo.toml [INFO] crate git repo https://github.com/tninomiya/json_parser already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 673e1a0ae896ed7b2d1b39a40d8cef5be531b43a9a0334291060246d021fe016 [INFO] running `Command { std: "docker" "start" "-a" "673e1a0ae896ed7b2d1b39a40d8cef5be531b43a9a0334291060246d021fe016", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "673e1a0ae896ed7b2d1b39a40d8cef5be531b43a9a0334291060246d021fe016", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "673e1a0ae896ed7b2d1b39a40d8cef5be531b43a9a0334291060246d021fe016", kill_on_drop: false }` [INFO] [stdout] 673e1a0ae896ed7b2d1b39a40d8cef5be531b43a9a0334291060246d021fe016 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 23db3806e988b18bc560ab4ac6ddf0862776beb147867fec59195ed243759906 [INFO] running `Command { std: "docker" "start" "-a" "23db3806e988b18bc560ab4ac6ddf0862776beb147867fec59195ed243759906", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking lexer v0.1.0 (/opt/rustwide/workdir/lexer) [INFO] [stderr] Checking parser v0.1.0 (/opt/rustwide/workdir/parser) [INFO] [stdout] warning: function is never used: `parse_colon` [INFO] [stdout] --> parser/src/parser.rs:355:4 [INFO] [stdout] | [INFO] [stdout] 355 | fn parse_colon(tokens: &mut Peekable) -> Result [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking interpreter v0.1.0 (/opt/rustwide/workdir/interpreter) [INFO] [stdout] warning: function is never used: `parse_colon` [INFO] [stdout] --> parser/src/parser.rs:355:4 [INFO] [stdout] | [INFO] [stdout] 355 | fn parse_colon(tokens: &mut Peekable) -> Result [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.50s [INFO] running `Command { std: "docker" "inspect" "23db3806e988b18bc560ab4ac6ddf0862776beb147867fec59195ed243759906", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23db3806e988b18bc560ab4ac6ddf0862776beb147867fec59195ed243759906", kill_on_drop: false }` [INFO] [stdout] 23db3806e988b18bc560ab4ac6ddf0862776beb147867fec59195ed243759906