[INFO] fetching crate destream_json 0.6.1...
[INFO] checking destream_json-0.6.1 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate destream_json 0.6.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate destream_json 0.6.1 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate destream_json 0.6.1
[INFO] finished tweaking crates.io crate destream_json 0.6.1
[INFO] tweaked toml for crates.io crate destream_json 0.6.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-test v0.4.2
[INFO] [stderr]   Downloaded destream v0.5.0
[INFO] [stderr]   Downloaded safecast v0.1.1
[INFO] [stderr]   Downloaded number-general v0.3.8
[INFO] [stderr]   Downloaded destream v0.4.1
[INFO] [stderr]   Downloaded collate v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48ba2b965d9d491e6f27843891facc4d103fb9b100aedd4a713f860ba273bbdf
[INFO] running `Command { std: "docker" "start" "-a" "48ba2b965d9d491e6f27843891facc4d103fb9b100aedd4a713f860ba273bbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48ba2b965d9d491e6f27843891facc4d103fb9b100aedd4a713f860ba273bbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ba2b965d9d491e6f27843891facc4d103fb9b100aedd4a713f860ba273bbdf", kill_on_drop: false }`
[INFO] [stdout] 48ba2b965d9d491e6f27843891facc4d103fb9b100aedd4a713f860ba273bbdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2044c3d44610624a6986212cde2042bba10b82faaac3cfa5ae2c654c1a6840eb
[INFO] running `Command { std: "docker" "start" "-a" "2044c3d44610624a6986212cde2042bba10b82faaac3cfa5ae2c654c1a6840eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking collate v0.1.10
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking safecast v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling tokio v1.8.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tokio-stream v0.1.6
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking destream v0.4.1
[INFO] [stderr]     Checking destream v0.5.0
[INFO] [stderr]     Checking destream_json v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking number-general v0.3.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.31s
[INFO] running `Command { std: "docker" "inspect" "2044c3d44610624a6986212cde2042bba10b82faaac3cfa5ae2c654c1a6840eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2044c3d44610624a6986212cde2042bba10b82faaac3cfa5ae2c654c1a6840eb", kill_on_drop: false }`
[INFO] [stdout] 2044c3d44610624a6986212cde2042bba10b82faaac3cfa5ae2c654c1a6840eb