[INFO] cloning repository https://github.com/chinedu360/rust_read_json_data
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chinedu360/rust_read_json_data" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinedu360%2Frust_read_json_data", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinedu360%2Frust_read_json_data'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eea1611346b7e0e76d22690f9c9b00bf115dab76
[INFO] checking chinedu360/rust_read_json_data against master#4b596bbd847672da87763b76171687d3544863c2 for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinedu360%2Frust_read_json_data" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chinedu360/rust_read_json_data
[INFO] finished tweaking git repo https://github.com/chinedu360/rust_read_json_data
[INFO] tweaked toml for git repo https://github.com/chinedu360/rust_read_json_data written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chinedu360/rust_read_json_data on toolchain 4b596bbd847672da87763b76171687d3544863c2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chinedu360/rust_read_json_data 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" "+4b596bbd847672da87763b76171687d3544863c2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17e4ac8ed7a8ada810995569ba1704cfdd9ffadca0dff10211fca436c1819c91
[INFO] running `Command { std: "docker" "start" "-a" "17e4ac8ed7a8ada810995569ba1704cfdd9ffadca0dff10211fca436c1819c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17e4ac8ed7a8ada810995569ba1704cfdd9ffadca0dff10211fca436c1819c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e4ac8ed7a8ada810995569ba1704cfdd9ffadca0dff10211fca436c1819c91", kill_on_drop: false }`
[INFO] [stdout] 17e4ac8ed7a8ada810995569ba1704cfdd9ffadca0dff10211fca436c1819c91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bfca655a936b4956f867d5d1dae8f75bb5f3571cc407048387a1d31dbec9e00
[INFO] running `Command { std: "docker" "start" "-a" "1bfca655a936b4956f867d5d1dae8f75bb5f3571cc407048387a1d31dbec9e00", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking rust_read_json_data v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "1bfca655a936b4956f867d5d1dae8f75bb5f3571cc407048387a1d31dbec9e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bfca655a936b4956f867d5d1dae8f75bb5f3571cc407048387a1d31dbec9e00", kill_on_drop: false }`
[INFO] [stdout] 1bfca655a936b4956f867d5d1dae8f75bb5f3571cc407048387a1d31dbec9e00