[INFO] fetching crate specta 2.0.0-rc.20...
[INFO] checking specta-2.0.0-rc.20 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] extracting crate specta 2.0.0-rc.20 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate specta 2.0.0-rc.20 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate specta 2.0.0-rc.20
[INFO] finished tweaking crates.io crate specta 2.0.0-rc.20
[INFO] tweaked toml for crates.io crate specta 2.0.0-rc.20 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 168 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.1)
[INFO] [stderr]       Adding bit-vec v0.7.0 (latest: v0.8.0)
[INFO] [stderr]       Adding cfg_aliases v0.1.1 (latest: v0.2.1)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.7)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding glam v0.27.0 (latest: v0.29.0)
[INFO] [stderr]       Adding glam v0.28.0 (latest: v0.29.0)
[INFO] [stderr]       Adding idna v0.5.0 (latest: v1.0.2)
[INFO] [stderr]       Adding indoc v1.0.9 (latest: v2.0.5)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] [stderr]       Adding nix v0.28.0 (latest: v0.29.0)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.58.0)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e6be4b7904c19dee8cf71895b8ef4462d121306b28e81004312247d2081598f
[INFO] running `Command { std: "docker" "start" "-a" "6e6be4b7904c19dee8cf71895b8ef4462d121306b28e81004312247d2081598f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e6be4b7904c19dee8cf71895b8ef4462d121306b28e81004312247d2081598f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6be4b7904c19dee8cf71895b8ef4462d121306b28e81004312247d2081598f", kill_on_drop: false }`
[INFO] [stdout] 6e6be4b7904c19dee8cf71895b8ef4462d121306b28e81004312247d2081598f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e779abb65ad8b72becaf6b95c39ee16b540987fd91f0312e7ecfdc73786dbf0
[INFO] running `Command { std: "docker" "start" "-a" "9e779abb65ad8b72becaf6b95c39ee16b540987fd91f0312e7ecfdc73786dbf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking specta v2.0.0-rc.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.77s
[INFO] running `Command { std: "docker" "inspect" "9e779abb65ad8b72becaf6b95c39ee16b540987fd91f0312e7ecfdc73786dbf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e779abb65ad8b72becaf6b95c39ee16b540987fd91f0312e7ecfdc73786dbf0", kill_on_drop: false }`
[INFO] [stdout] 9e779abb65ad8b72becaf6b95c39ee16b540987fd91f0312e7ecfdc73786dbf0