[INFO] fetching crate ias 0.0.0...
[INFO] checking ias-0.0.0 against try#7306d3110618f84a6a4662b9e2cc4fd0d9b02da8 for pr-97346
[INFO] extracting crate ias 0.0.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate ias 0.0.0 on toolchain 7306d3110618f84a6a4662b9e2cc4fd0d9b02da8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ias 0.0.0
[INFO] finished tweaking crates.io crate ias 0.0.0
[INFO] tweaked toml for crates.io crate ias 0.0.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16ebbb8d99cdb889c737d26fc5e60d00aef6e59351ac340c0efd5433b28d0a96
[INFO] running `Command { std: "docker" "start" "-a" "16ebbb8d99cdb889c737d26fc5e60d00aef6e59351ac340c0efd5433b28d0a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16ebbb8d99cdb889c737d26fc5e60d00aef6e59351ac340c0efd5433b28d0a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ebbb8d99cdb889c737d26fc5e60d00aef6e59351ac340c0efd5433b28d0a96", kill_on_drop: false }`
[INFO] [stdout] 16ebbb8d99cdb889c737d26fc5e60d00aef6e59351ac340c0efd5433b28d0a96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea2ae1e164e3287cce6a91e561af6fd3a94183a8fae06c21723fd3da92b23abb
[INFO] running `Command { std: "docker" "start" "-a" "ea2ae1e164e3287cce6a91e561af6fd3a94183a8fae06c21723fd3da92b23abb", kill_on_drop: false }`
[INFO] [stderr]     Checking ias v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "ea2ae1e164e3287cce6a91e561af6fd3a94183a8fae06c21723fd3da92b23abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea2ae1e164e3287cce6a91e561af6fd3a94183a8fae06c21723fd3da92b23abb", kill_on_drop: false }`
[INFO] [stdout] ea2ae1e164e3287cce6a91e561af6fd3a94183a8fae06c21723fd3da92b23abb