[INFO] fetching crate seqdb 0.2.16...
[INFO] building seqdb-0.2.16 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate seqdb 0.2.16 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate seqdb 0.2.16
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate seqdb 0.2.16
[INFO] tweaked toml for crates.io crate seqdb 0.2.16 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seqdb 0.2.16 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] crate crates.io crate seqdb 0.2.16 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f81d3e10a501c3cf74aa02c1ac57446aadad66b4cb01bc06e89d1f12c433a5aa
[INFO] running `Command { std: "docker" "start" "-a" "f81d3e10a501c3cf74aa02c1ac57446aadad66b4cb01bc06e89d1f12c433a5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f81d3e10a501c3cf74aa02c1ac57446aadad66b4cb01bc06e89d1f12c433a5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f81d3e10a501c3cf74aa02c1ac57446aadad66b4cb01bc06e89d1f12c433a5aa", kill_on_drop: false }`
[INFO] [stdout] f81d3e10a501c3cf74aa02c1ac57446aadad66b4cb01bc06e89d1f12c433a5aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 77dc248c93878992f6058e681d7d03685518e30cb4117203e6f08d328e94b723
[INFO] running `Command { std: "docker" "start" "-a" "77dc248c93878992f6058e681d7d03685518e30cb4117203e6f08d328e94b723", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling allocative v0.3.4
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling seqdb v0.2.16 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling memmap2 v0.9.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling allocative_derive v0.3.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stdout] warning: struct `FPunchhole` is never constructed
[INFO] [stdout]    --> src/lib.rs:685:8
[INFO] [stdout]     |
[INFO] [stdout] 685 | struct FPunchhole {
[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 9.92s
[INFO] running `Command { std: "docker" "inspect" "77dc248c93878992f6058e681d7d03685518e30cb4117203e6f08d328e94b723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77dc248c93878992f6058e681d7d03685518e30cb4117203e6f08d328e94b723", kill_on_drop: false }`
[INFO] [stdout] 77dc248c93878992f6058e681d7d03685518e30cb4117203e6f08d328e94b723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c30c4674b99b53075182ddc544ef84b5505d695e2009d67f50920402f6336f24
[INFO] running `Command { std: "docker" "start" "-a" "c30c4674b99b53075182ddc544ef84b5505d695e2009d67f50920402f6336f24", kill_on_drop: false }`
[INFO] [stdout] warning: struct `FPunchhole` is never constructed
[INFO] [stdout]    --> src/lib.rs:685:8
[INFO] [stdout]     |
[INFO] [stdout] 685 | struct FPunchhole {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling seqdb v0.2.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `FPunchhole` is never constructed
[INFO] [stdout]    --> src/lib.rs:685:8
[INFO] [stdout]     |
[INFO] [stdout] 685 | struct FPunchhole {
[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 0.86s
[INFO] running `Command { std: "docker" "inspect" "c30c4674b99b53075182ddc544ef84b5505d695e2009d67f50920402f6336f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30c4674b99b53075182ddc544ef84b5505d695e2009d67f50920402f6336f24", kill_on_drop: false }`
[INFO] [stdout] c30c4674b99b53075182ddc544ef84b5505d695e2009d67f50920402f6336f24