[INFO] fetching crate parser_fuck 0.5.0...
[INFO] checking parser_fuck-0.5.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate parser_fuck 0.5.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate parser_fuck 0.5.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parser_fuck 0.5.0
[INFO] finished tweaking crates.io crate parser_fuck 0.5.0
[INFO] tweaked toml for crates.io crate parser_fuck 0.5.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate parser_fuck 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.106
[INFO] [stderr]   Downloaded serde_derive v1.0.106
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded uuid v0.8.1
[INFO] [stderr]   Downloaded syn v1.0.18
[INFO] [stderr]   Downloaded batch_oper v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 966ae321219d85ae32b572a62a3aa802cb968aa9a054d2ec9f6c7f82ecdf7f39
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "966ae321219d85ae32b572a62a3aa802cb968aa9a054d2ec9f6c7f82ecdf7f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "966ae321219d85ae32b572a62a3aa802cb968aa9a054d2ec9f6c7f82ecdf7f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966ae321219d85ae32b572a62a3aa802cb968aa9a054d2ec9f6c7f82ecdf7f39", kill_on_drop: false }`
[INFO] [stdout] 966ae321219d85ae32b572a62a3aa802cb968aa9a054d2ec9f6c7f82ecdf7f39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0c5128c16075c690855e42714a8fe504f1e44b541c9cca2f53f9006e25dbc43
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a0c5128c16075c690855e42714a8fe504f1e44b541c9cca2f53f9006e25dbc43", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking batch_oper v1.2.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking parser_fuck v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/test_json.rs:262:20
[INFO] [stdout]     |
[INFO] [stdout] 262 |             kv.and({ one(',').and(kv).many() })
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> examples/json.rs:261:20
[INFO] [stdout]     |
[INFO] [stdout] 261 |             kv.and({ one(',').and(kv).many() })
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.29s
[INFO] running `Command { std: "docker" "inspect" "a0c5128c16075c690855e42714a8fe504f1e44b541c9cca2f53f9006e25dbc43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c5128c16075c690855e42714a8fe504f1e44b541c9cca2f53f9006e25dbc43", kill_on_drop: false }`
[INFO] [stdout] a0c5128c16075c690855e42714a8fe504f1e44b541c9cca2f53f9006e25dbc43