[INFO] cloning repository https://github.com/scottopell/enum-serde-exploration
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scottopell/enum-serde-exploration" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottopell%2Fenum-serde-exploration", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottopell%2Fenum-serde-exploration'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ea71770de8ec5c68a0f90c08e5cd372037e7c9f
[INFO] checking scottopell/enum-serde-exploration against master#08cd08fbef8c6663b052d8d9e4930d5696cbb8a7 for 150662-leaf-spurious
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottopell%2Fenum-serde-exploration" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/scottopell/enum-serde-exploration
[INFO] finished tweaking git repo https://github.com/scottopell/enum-serde-exploration
[INFO] tweaked toml for git repo https://github.com/scottopell/enum-serde-exploration written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/scottopell/enum-serde-exploration on toolchain 08cd08fbef8c6663b052d8d9e4930d5696cbb8a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/scottopell/enum-serde-exploration 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" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.9.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b78a02eb67bd85fc05bfaa4c09f78844bde50907f14f0baa8889b8427aaa7c1
[INFO] running `Command { std: "docker" "start" "-a" "7b78a02eb67bd85fc05bfaa4c09f78844bde50907f14f0baa8889b8427aaa7c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b78a02eb67bd85fc05bfaa4c09f78844bde50907f14f0baa8889b8427aaa7c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b78a02eb67bd85fc05bfaa4c09f78844bde50907f14f0baa8889b8427aaa7c1", kill_on_drop: false }`
[INFO] [stdout] 7b78a02eb67bd85fc05bfaa4c09f78844bde50907f14f0baa8889b8427aaa7c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc64726fca390a69cb39b52dc9e72cbb1a58cc5f73080382c68753257a1d087e
[INFO] running `Command { std: "docker" "start" "-a" "fc64726fca390a69cb39b52dc9e72cbb1a58cc5f73080382c68753257a1d087e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking indexmap v2.2.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking serde_yaml v0.9.31
[INFO] [stderr]     Checking enum-serde-explore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.40s
[INFO] running `Command { std: "docker" "inspect" "fc64726fca390a69cb39b52dc9e72cbb1a58cc5f73080382c68753257a1d087e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc64726fca390a69cb39b52dc9e72cbb1a58cc5f73080382c68753257a1d087e", kill_on_drop: false }`
[INFO] [stdout] fc64726fca390a69cb39b52dc9e72cbb1a58cc5f73080382c68753257a1d087e