[INFO] fetching crate version_operators 0.0.1...
[INFO] checking version_operators-0.0.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate version_operators 0.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate version_operators 0.0.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate version_operators 0.0.1
[INFO] finished tweaking crates.io crate version_operators 0.0.1
[INFO] tweaked toml for crates.io crate version_operators 0.0.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate version_operators 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9a1553be4e49f01572e4deda8df3b7f647b6a91cf3481a85e377ae7676bb626
[INFO] running `Command { std: "docker" "start" "-a" "f9a1553be4e49f01572e4deda8df3b7f647b6a91cf3481a85e377ae7676bb626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9a1553be4e49f01572e4deda8df3b7f647b6a91cf3481a85e377ae7676bb626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a1553be4e49f01572e4deda8df3b7f647b6a91cf3481a85e377ae7676bb626", kill_on_drop: false }`
[INFO] [stdout] f9a1553be4e49f01572e4deda8df3b7f647b6a91cf3481a85e377ae7676bb626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7f7ae447b62549cc5cd047b937ba2a10c5ab9e8a03626f9dbe0d00ef4efb46e
[INFO] running `Command { std: "docker" "start" "-a" "e7f7ae447b62549cc5cd047b937ba2a10c5ab9e8a03626f9dbe0d00ef4efb46e", kill_on_drop: false }`
[INFO] [stderr]     Checking version_operators v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "e7f7ae447b62549cc5cd047b937ba2a10c5ab9e8a03626f9dbe0d00ef4efb46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f7ae447b62549cc5cd047b937ba2a10c5ab9e8a03626f9dbe0d00ef4efb46e", kill_on_drop: false }`
[INFO] [stdout] e7f7ae447b62549cc5cd047b937ba2a10c5ab9e8a03626f9dbe0d00ef4efb46e