[INFO] fetching crate structdump 0.2.0...
[INFO] building structdump-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate structdump 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate structdump 0.2.0
[INFO] finished tweaking crates.io crate structdump 0.2.0
[INFO] tweaked toml for crates.io crate structdump 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate structdump 0.2.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55251351aff3a9a7cf9f73fcce63d1c03c970faced9722a5946affd6b5b1ca44
[INFO] running `Command { std: "docker" "start" "-a" "55251351aff3a9a7cf9f73fcce63d1c03c970faced9722a5946affd6b5b1ca44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55251351aff3a9a7cf9f73fcce63d1c03c970faced9722a5946affd6b5b1ca44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55251351aff3a9a7cf9f73fcce63d1c03c970faced9722a5946affd6b5b1ca44", kill_on_drop: false }`
[INFO] [stdout] 55251351aff3a9a7cf9f73fcce63d1c03c970faced9722a5946affd6b5b1ca44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e2f6cd251456832aea2a53c28e60218be1ac6b53549ea73527e81e0a7c2336b
[INFO] running `Command { std: "docker" "start" "-a" "9e2f6cd251456832aea2a53c28e60218be1ac6b53549ea73527e81e0a7c2336b", kill_on_drop: false }`
[INFO] [stderr]    Compiling structdump v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `StructType` is never used
[INFO] [stdout]    --> src/lib.rs:213:19
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub(super) trait StructType {}
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "9e2f6cd251456832aea2a53c28e60218be1ac6b53549ea73527e81e0a7c2336b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e2f6cd251456832aea2a53c28e60218be1ac6b53549ea73527e81e0a7c2336b", kill_on_drop: false }`
[INFO] [stdout] 9e2f6cd251456832aea2a53c28e60218be1ac6b53549ea73527e81e0a7c2336b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d2c81eb71fda34f4881cb7e0fc9f3c6bc52ae7377a54ca5ae7191cc2a8e0b4b
[INFO] running `Command { std: "docker" "start" "-a" "1d2c81eb71fda34f4881cb7e0fc9f3c6bc52ae7377a54ca5ae7191cc2a8e0b4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling structdump v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `StructType` is never used
[INFO] [stdout]    --> src/lib.rs:213:19
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub(super) trait StructType {}
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StructType` is never used
[INFO] [stdout]    --> src/lib.rs:213:19
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub(super) trait StructType {}
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "1d2c81eb71fda34f4881cb7e0fc9f3c6bc52ae7377a54ca5ae7191cc2a8e0b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d2c81eb71fda34f4881cb7e0fc9f3c6bc52ae7377a54ca5ae7191cc2a8e0b4b", kill_on_drop: false }`
[INFO] [stdout] 1d2c81eb71fda34f4881cb7e0fc9f3c6bc52ae7377a54ca5ae7191cc2a8e0b4b