[INFO] cloning repository https://github.com/masrtis/cc-json-parser-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masrtis/cc-json-parser-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasrtis%2Fcc-json-parser-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasrtis%2Fcc-json-parser-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47471e50ec16ebc48b4c32c2bc26db693e471d33
[INFO] testing masrtis/cc-json-parser-rust against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasrtis%2Fcc-json-parser-rust" "/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/masrtis/cc-json-parser-rust
[INFO] finished tweaking git repo https://github.com/masrtis/cc-json-parser-rust
[INFO] tweaked toml for git repo https://github.com/masrtis/cc-json-parser-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/masrtis/cc-json-parser-rust on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/masrtis/cc-json-parser-rust 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8327e00a337804584803986ba6c021daf22aac8c44b77506c89518a3d878bb34
[INFO] running `Command { std: "docker" "start" "-a" "8327e00a337804584803986ba6c021daf22aac8c44b77506c89518a3d878bb34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8327e00a337804584803986ba6c021daf22aac8c44b77506c89518a3d878bb34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8327e00a337804584803986ba6c021daf22aac8c44b77506c89518a3d878bb34", kill_on_drop: false }`
[INFO] [stdout] 8327e00a337804584803986ba6c021daf22aac8c44b77506c89518a3d878bb34
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5305521cbfd0bd298459c27790456be45d2d26c01c9fd3ee90884bfd422334d3
[INFO] running `Command { std: "docker" "start" "-a" "5305521cbfd0bd298459c27790456be45d2d26c01c9fd3ee90884bfd422334d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/json_tokenizer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     String(String),
[INFO] [stdout]   |     ------ ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 4 -     String(String),
[INFO] [stdout] 4 +     String(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "5305521cbfd0bd298459c27790456be45d2d26c01c9fd3ee90884bfd422334d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5305521cbfd0bd298459c27790456be45d2d26c01c9fd3ee90884bfd422334d3", kill_on_drop: false }`
[INFO] [stdout] 5305521cbfd0bd298459c27790456be45d2d26c01c9fd3ee90884bfd422334d3
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 006969cef39fca259d21c04ea44f8b7266326d2b7c6951cc0ca68c3c075ae087
[INFO] running `Command { std: "docker" "start" "-a" "006969cef39fca259d21c04ea44f8b7266326d2b7c6951cc0ca68c3c075ae087", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/json_tokenizer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     String(String),
[INFO] [stdout]   |     ------ ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 4 -     String(String),
[INFO] [stdout] 4 +     String(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "006969cef39fca259d21c04ea44f8b7266326d2b7c6951cc0ca68c3c075ae087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006969cef39fca259d21c04ea44f8b7266326d2b7c6951cc0ca68c3c075ae087", kill_on_drop: false }`
[INFO] [stdout] 006969cef39fca259d21c04ea44f8b7266326d2b7c6951cc0ca68c3c075ae087
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d53bd589ca9f7def85c713369e76c3c96753d4c26765f6008ee1c049867a23a
[INFO] running `Command { std: "docker" "start" "-a" "1d53bd589ca9f7def85c713369e76c3c96753d4c26765f6008ee1c049867a23a", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/json_tokenizer.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     String(String),
[INFO] [stderr]   |     ------ ^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 4 -     String(String),
[INFO] [stderr] 4 +     String(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `json-parser` (bin "json-parser" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/json_parser-c71db8739b0ae0d3)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test json_parser::tests::parse_empty_object_success ... ok
[INFO] [stdout] test json_parser::tests::parse_object_multiple_key_value_pair_success ... ok
[INFO] [stdout] test json_parser::tests::parse_object_key_value_pair_success ... ok
[INFO] [stdout] test json_parser::tests::parse_trailing_comma_failure ... ok
[INFO] [stdout] test json_parser::tests::parse_unquoted_key_failure ... ok
[INFO] [stdout] test json_parser::tests::parse_empty_string_failure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d53bd589ca9f7def85c713369e76c3c96753d4c26765f6008ee1c049867a23a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d53bd589ca9f7def85c713369e76c3c96753d4c26765f6008ee1c049867a23a", kill_on_drop: false }`
[INFO] [stdout] 1d53bd589ca9f7def85c713369e76c3c96753d4c26765f6008ee1c049867a23a