[INFO] fetching crate lightpack 0.2.8...
[INFO] checking lightpack-0.2.8 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate lightpack 0.2.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate lightpack 0.2.8 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lightpack 0.2.8
[INFO] finished tweaking crates.io crate lightpack 0.2.8
[INFO] tweaked toml for crates.io crate lightpack 0.2.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate lightpack 0.2.8 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lightpack-derive v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c46beaf7eb0700a096c9f5addb6342b26ac4f53329025e4c8735a08db763aec
[INFO] running `Command { std: "docker" "start" "-a" "2c46beaf7eb0700a096c9f5addb6342b26ac4f53329025e4c8735a08db763aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c46beaf7eb0700a096c9f5addb6342b26ac4f53329025e4c8735a08db763aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c46beaf7eb0700a096c9f5addb6342b26ac4f53329025e4c8735a08db763aec", kill_on_drop: false }`
[INFO] [stdout] 2c46beaf7eb0700a096c9f5addb6342b26ac4f53329025e4c8735a08db763aec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac97d09ac4a6769ebf1a38dd8362782b48032637c42b570424d7e76e54a2fa10
[INFO] running `Command { std: "docker" "start" "-a" "ac97d09ac4a6769ebf1a38dd8362782b48032637c42b570424d7e76e54a2fa10", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling lightpack-derive v0.2.8
[INFO] [stderr]     Checking lightpack v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/size_test.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |     struct Tuple(X, Y);
[INFO] [stdout]    |            ----- ^  ^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "ac97d09ac4a6769ebf1a38dd8362782b48032637c42b570424d7e76e54a2fa10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac97d09ac4a6769ebf1a38dd8362782b48032637c42b570424d7e76e54a2fa10", kill_on_drop: false }`
[INFO] [stdout] ac97d09ac4a6769ebf1a38dd8362782b48032637c42b570424d7e76e54a2fa10