[INFO] cloning repository https://github.com/rachnasha/json_yaml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rachnasha/json_yaml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frachnasha%2Fjson_yaml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frachnasha%2Fjson_yaml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca2e912424e257a02aa8923817ca3feb9e2267a0
[INFO] checking rachnasha/json_yaml against try#ff47dd48ed0d02534055e0033cf766ce528f8ebc for pr-99447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frachnasha%2Fjson_yaml" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rachnasha/json_yaml on toolchain ff47dd48ed0d02534055e0033cf766ce528f8ebc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rachnasha/json_yaml
[INFO] finished tweaking git repo https://github.com/rachnasha/json_yaml
[INFO] tweaked toml for git repo https://github.com/rachnasha/json_yaml written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rachnasha/json_yaml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bd24e8f952ea60881271306d4097e35dc63a1476b99e1f3124a376d7bc06473
[INFO] running `Command { std: "docker" "start" "-a" "4bd24e8f952ea60881271306d4097e35dc63a1476b99e1f3124a376d7bc06473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bd24e8f952ea60881271306d4097e35dc63a1476b99e1f3124a376d7bc06473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd24e8f952ea60881271306d4097e35dc63a1476b99e1f3124a376d7bc06473", kill_on_drop: false }`
[INFO] [stdout] 4bd24e8f952ea60881271306d4097e35dc63a1476b99e1f3124a376d7bc06473
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45c7c3ebb06ccb1904460aa1cb7120108b8ee25db7d3e3adec0a38359fb90d23
[INFO] running `Command { std: "docker" "start" "-a" "45c7c3ebb06ccb1904460aa1cb7120108b8ee25db7d3e3adec0a38359fb90d23", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking json_yaml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.53s
[INFO] running `Command { std: "docker" "inspect" "45c7c3ebb06ccb1904460aa1cb7120108b8ee25db7d3e3adec0a38359fb90d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45c7c3ebb06ccb1904460aa1cb7120108b8ee25db7d3e3adec0a38359fb90d23", kill_on_drop: false }`
[INFO] [stdout] 45c7c3ebb06ccb1904460aa1cb7120108b8ee25db7d3e3adec0a38359fb90d23