[INFO] fetching crate taxjar 0.0.1...
[INFO] checking taxjar-0.0.1 against try#3f7b27fe41ccd116a4c0829bd9a14b65bada4578 for pr-96970
[INFO] extracting crate taxjar 0.0.1 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate taxjar 0.0.1 on toolchain 3f7b27fe41ccd116a4c0829bd9a14b65bada4578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taxjar 0.0.1
[INFO] finished tweaking crates.io crate taxjar 0.0.1
[INFO] tweaked toml for crates.io crate taxjar 0.0.1 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate crates.io crate taxjar 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63110522c155a027ae8605321862d2b6622679df4320d28917d6eb06d3d5ba4d
[INFO] running `Command { std: "docker" "start" "-a" "63110522c155a027ae8605321862d2b6622679df4320d28917d6eb06d3d5ba4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63110522c155a027ae8605321862d2b6622679df4320d28917d6eb06d3d5ba4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63110522c155a027ae8605321862d2b6622679df4320d28917d6eb06d3d5ba4d", kill_on_drop: false }`
[INFO] [stdout] 63110522c155a027ae8605321862d2b6622679df4320d28917d6eb06d3d5ba4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 823c2053bd2db41c6e87d532602688d07e057b403c29bca7545612635d461a28
[INFO] running `Command { std: "docker" "start" "-a" "823c2053bd2db41c6e87d532602688d07e057b403c29bca7545612635d461a28", kill_on_drop: false }`
[INFO] [stderr]     Checking taxjar v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "823c2053bd2db41c6e87d532602688d07e057b403c29bca7545612635d461a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823c2053bd2db41c6e87d532602688d07e057b403c29bca7545612635d461a28", kill_on_drop: false }`
[INFO] [stdout] 823c2053bd2db41c6e87d532602688d07e057b403c29bca7545612635d461a28