[INFO] cloning repository https://github.com/unsortedkgpian/Rust-JSON_Reader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unsortedkgpian/Rust-JSON_Reader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funsortedkgpian%2FRust-JSON_Reader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funsortedkgpian%2FRust-JSON_Reader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21cdd98d2e2f13592949a4c4da39a55b58869406
[INFO] checking unsortedkgpian/Rust-JSON_Reader against try#ef5216c337126ffe24d074826f4023948c4a9b8e for pr-137033
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funsortedkgpian%2FRust-JSON_Reader" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unsortedkgpian/Rust-JSON_Reader on toolchain ef5216c337126ffe24d074826f4023948c4a9b8e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/unsortedkgpian/Rust-JSON_Reader
[INFO] finished tweaking git repo https://github.com/unsortedkgpian/Rust-JSON_Reader
[INFO] tweaked toml for git repo https://github.com/unsortedkgpian/Rust-JSON_Reader written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/unsortedkgpian/Rust-JSON_Reader 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" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8618ca107d38463ae8e57d21d232d4b8403c3267098046ae8866b2efd9520d46
[INFO] running `Command { std: "docker" "start" "-a" "8618ca107d38463ae8e57d21d232d4b8403c3267098046ae8866b2efd9520d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8618ca107d38463ae8e57d21d232d4b8403c3267098046ae8866b2efd9520d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8618ca107d38463ae8e57d21d232d4b8403c3267098046ae8866b2efd9520d46", kill_on_drop: false }`
[INFO] [stdout] 8618ca107d38463ae8e57d21d232d4b8403c3267098046ae8866b2efd9520d46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2478331fd33fbdd338e5b99804c17e72a7e19713749ea1418ec954f7ae22d23
[INFO] running `Command { std: "docker" "start" "-a" "e2478331fd33fbdd338e5b99804c17e72a7e19713749ea1418ec954f7ae22d23", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking Rust_JSON_Reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.91s
[INFO] running `Command { std: "docker" "inspect" "e2478331fd33fbdd338e5b99804c17e72a7e19713749ea1418ec954f7ae22d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2478331fd33fbdd338e5b99804c17e72a7e19713749ea1418ec954f7ae22d23", kill_on_drop: false }`
[INFO] [stdout] e2478331fd33fbdd338e5b99804c17e72a7e19713749ea1418ec954f7ae22d23