[INFO] fetching crate struct_as_array 0.2.0...
[INFO] checking struct_as_array-0.2.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate struct_as_array 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate struct_as_array 0.2.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate struct_as_array 0.2.0
[INFO] finished tweaking crates.io crate struct_as_array 0.2.0
[INFO] tweaked toml for crates.io crate struct_as_array 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding quote v0.2.3 (latest: v1.0.37)
[INFO] [stderr]       Adding syn v0.8.7 (latest: v2.0.77)
[INFO] [stderr]       Adding unicode-xid v0.0.3 (latest: v0.2.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded syn v0.8.7
[INFO] [stderr]   Downloaded quote v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fcb2bd4e3f4dbe3d7182f8e81a03bccf2d33409f5863a6247e17e95fcb41af7
[INFO] running `Command { std: "docker" "start" "-a" "4fcb2bd4e3f4dbe3d7182f8e81a03bccf2d33409f5863a6247e17e95fcb41af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fcb2bd4e3f4dbe3d7182f8e81a03bccf2d33409f5863a6247e17e95fcb41af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fcb2bd4e3f4dbe3d7182f8e81a03bccf2d33409f5863a6247e17e95fcb41af7", kill_on_drop: false }`
[INFO] [stdout] 4fcb2bd4e3f4dbe3d7182f8e81a03bccf2d33409f5863a6247e17e95fcb41af7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f35be49d25e3d41c73357ccf511149f3882cc09c926cdae79e2863ad9fd6ec1
[INFO] running `Command { std: "docker" "start" "-a" "8f35be49d25e3d41c73357ccf511149f3882cc09c926cdae79e2863ad9fd6ec1", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]     Checking quote v0.2.3
[INFO] [stderr]     Checking syn v0.8.7
[INFO] [stderr]     Checking struct_as_array v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.8.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8f35be49d25e3d41c73357ccf511149f3882cc09c926cdae79e2863ad9fd6ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f35be49d25e3d41c73357ccf511149f3882cc09c926cdae79e2863ad9fd6ec1", kill_on_drop: false }`
[INFO] [stdout] 8f35be49d25e3d41c73357ccf511149f3882cc09c926cdae79e2863ad9fd6ec1