[INFO] fetching crate smooth-json 0.2.7...
[INFO] building smooth-json-0.2.7 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate smooth-json 0.2.7 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate smooth-json 0.2.7
[INFO] finished tweaking crates.io crate smooth-json 0.2.7
[INFO] tweaked toml for crates.io crate smooth-json 0.2.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smooth-json 0.2.7 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate smooth-json 0.2.7 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bd58a5894dfa36f932829b6ab3874af906b950d689bf51ab0233f2951503fb6
[INFO] running `Command { std: "docker" "start" "-a" "9bd58a5894dfa36f932829b6ab3874af906b950d689bf51ab0233f2951503fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bd58a5894dfa36f932829b6ab3874af906b950d689bf51ab0233f2951503fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd58a5894dfa36f932829b6ab3874af906b950d689bf51ab0233f2951503fb6", kill_on_drop: false }`
[INFO] [stdout] 9bd58a5894dfa36f932829b6ab3874af906b950d689bf51ab0233f2951503fb6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f796acd2e7bd3ea0069fe36120a81899a228c04691620e94b472f87123a2907e
[INFO] running `Command { std: "docker" "start" "-a" "f796acd2e7bd3ea0069fe36120a81899a228c04691620e94b472f87123a2907e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling smooth-json v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.39s
[INFO] running `Command { std: "docker" "inspect" "f796acd2e7bd3ea0069fe36120a81899a228c04691620e94b472f87123a2907e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f796acd2e7bd3ea0069fe36120a81899a228c04691620e94b472f87123a2907e", kill_on_drop: false }`
[INFO] [stdout] f796acd2e7bd3ea0069fe36120a81899a228c04691620e94b472f87123a2907e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc8bb2d3110c4331d4bdd5c56e89b43fe352b2e4822325b22050e24682f6107a
[INFO] running `Command { std: "docker" "start" "-a" "dc8bb2d3110c4331d4bdd5c56e89b43fe352b2e4822325b22050e24682f6107a", kill_on_drop: false }`
[INFO] [stderr]    Compiling smooth-json v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "dc8bb2d3110c4331d4bdd5c56e89b43fe352b2e4822325b22050e24682f6107a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc8bb2d3110c4331d4bdd5c56e89b43fe352b2e4822325b22050e24682f6107a", kill_on_drop: false }`
[INFO] [stdout] dc8bb2d3110c4331d4bdd5c56e89b43fe352b2e4822325b22050e24682f6107a