[INFO] fetching crate streaming-json-completer 0.2.0-dev...
[INFO] checking streaming-json-completer-0.2.0-dev against try#b1375b2484512d46eeace16657e5b4a5450c610b for pr-112743
[INFO] extracting crate streaming-json-completer 0.2.0-dev into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate streaming-json-completer 0.2.0-dev on toolchain b1375b2484512d46eeace16657e5b4a5450c610b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate streaming-json-completer 0.2.0-dev
[INFO] finished tweaking crates.io crate streaming-json-completer 0.2.0-dev
[INFO] tweaked toml for crates.io crate streaming-json-completer 0.2.0-dev written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6350404ed335a12c447c753178811934445dbcc66cebaa0c4b9a2b28d09dc7c4
[INFO] running `Command { std: "docker" "start" "-a" "6350404ed335a12c447c753178811934445dbcc66cebaa0c4b9a2b28d09dc7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6350404ed335a12c447c753178811934445dbcc66cebaa0c4b9a2b28d09dc7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6350404ed335a12c447c753178811934445dbcc66cebaa0c4b9a2b28d09dc7c4", kill_on_drop: false }`
[INFO] [stdout] 6350404ed335a12c447c753178811934445dbcc66cebaa0c4b9a2b28d09dc7c4
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67927edf881eac5b651a30dfaa9e07548bed9e03fe654bc724667c801c11cb48
[INFO] running `Command { std: "docker" "start" "-a" "67927edf881eac5b651a30dfaa9e07548bed9e03fe654bc724667c801c11cb48", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking getrandom v0.2.10
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking rand_core v0.6.4
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[INFO] [stderr]     Checking csv-core v0.1.10
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[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.97
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking arbitrary-json v0.1.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking streaming-json-completer v0.2.0-dev (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/static_test.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             dbg!(complete_json(input));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.56s
[INFO] running `Command { std: "docker" "inspect" "67927edf881eac5b651a30dfaa9e07548bed9e03fe654bc724667c801c11cb48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67927edf881eac5b651a30dfaa9e07548bed9e03fe654bc724667c801c11cb48", kill_on_drop: false }`
[INFO] [stdout] 67927edf881eac5b651a30dfaa9e07548bed9e03fe654bc724667c801c11cb48