[INFO] fetching crate vdf-serde-format 1.0.9...
[INFO] building vdf-serde-format-1.0.9 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate vdf-serde-format 1.0.9 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate vdf-serde-format 1.0.9
[INFO] finished tweaking crates.io crate vdf-serde-format 1.0.9
[INFO] tweaked toml for crates.io crate vdf-serde-format 1.0.9 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vdf-serde-format 1.0.9 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 vdf-serde-format 1.0.9 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9408f93e99244662fcfdd109b0e69040add404ed3b6298b1cf8cea5aa169d5ca
[INFO] running `Command { std: "docker" "start" "-a" "9408f93e99244662fcfdd109b0e69040add404ed3b6298b1cf8cea5aa169d5ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9408f93e99244662fcfdd109b0e69040add404ed3b6298b1cf8cea5aa169d5ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9408f93e99244662fcfdd109b0e69040add404ed3b6298b1cf8cea5aa169d5ca", kill_on_drop: false }`
[INFO] [stdout] 9408f93e99244662fcfdd109b0e69040add404ed3b6298b1cf8cea5aa169d5ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8133a0d55883fa873f86a44bd3a89efb30d6072ae5703b4c1ff48ad27c82fb8f
[INFO] running `Command { std: "docker" "start" "-a" "8133a0d55883fa873f86a44bd3a89efb30d6072ae5703b4c1ff48ad27c82fb8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling vdf-serde-format v1.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.15s
[INFO] running `Command { std: "docker" "inspect" "8133a0d55883fa873f86a44bd3a89efb30d6072ae5703b4c1ff48ad27c82fb8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8133a0d55883fa873f86a44bd3a89efb30d6072ae5703b4c1ff48ad27c82fb8f", kill_on_drop: false }`
[INFO] [stdout] 8133a0d55883fa873f86a44bd3a89efb30d6072ae5703b4c1ff48ad27c82fb8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a216047acbe9c472d8e4f6d2b55ff8f2591474cbce80911c8e4f0868c7a552fd
[INFO] running `Command { std: "docker" "start" "-a" "a216047acbe9c472d8e4f6d2b55ff8f2591474cbce80911c8e4f0868c7a552fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling vdf-serde-format v1.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "a216047acbe9c472d8e4f6d2b55ff8f2591474cbce80911c8e4f0868c7a552fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a216047acbe9c472d8e4f6d2b55ff8f2591474cbce80911c8e4f0868c7a552fd", kill_on_drop: false }`
[INFO] [stdout] a216047acbe9c472d8e4f6d2b55ff8f2591474cbce80911c8e4f0868c7a552fd