[INFO] cloning repository https://github.com/sgpthomas/pydataclass
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sgpthomas/pydataclass" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgpthomas%2Fpydataclass", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgpthomas%2Fpydataclass'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e04b63f401b615cda10584a59e7c4ccd913ec22b
[INFO] checking sgpthomas/pydataclass against master#40daf23eeb711dadf140b2536e67e3ff4c999196 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgpthomas%2Fpydataclass" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sgpthomas/pydataclass on toolchain 40daf23eeb711dadf140b2536e67e3ff4c999196
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sgpthomas/pydataclass
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/sgpthomas/pydataclass
[INFO] tweaked toml for git repo https://github.com/sgpthomas/pydataclass written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sgpthomas/pydataclass 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" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfd4cea822b44c0a542ea3e8145431ff13c3014f131af7bdd451f891b0dfd507
[INFO] running `Command { std: "docker" "start" "-a" "bfd4cea822b44c0a542ea3e8145431ff13c3014f131af7bdd451f891b0dfd507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfd4cea822b44c0a542ea3e8145431ff13c3014f131af7bdd451f891b0dfd507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd4cea822b44c0a542ea3e8145431ff13c3014f131af7bdd451f891b0dfd507", kill_on_drop: false }`
[INFO] [stdout] bfd4cea822b44c0a542ea3e8145431ff13c3014f131af7bdd451f891b0dfd507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eca01ccf8c87b059c80eb91cc6dcc75278450bfd943af8321ea1b7fe8fdf0f4
[INFO] running `Command { std: "docker" "start" "-a" "1eca01ccf8c87b059c80eb91cc6dcc75278450bfd943af8321ea1b7fe8fdf0f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking pretty v0.12.4
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.100
[INFO] [stderr]     Checking pydataclass-derive v0.1.0 (/opt/rustwide/workdir/pydataclass-derive)
[INFO] [stderr]     Checking pydataclass v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.49s
[INFO] running `Command { std: "docker" "inspect" "1eca01ccf8c87b059c80eb91cc6dcc75278450bfd943af8321ea1b7fe8fdf0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eca01ccf8c87b059c80eb91cc6dcc75278450bfd943af8321ea1b7fe8fdf0f4", kill_on_drop: false }`
[INFO] [stdout] 1eca01ccf8c87b059c80eb91cc6dcc75278450bfd943af8321ea1b7fe8fdf0f4