[INFO] cloning repository https://github.com/dbrgn/prost-stackoverflow-reproducer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbrgn/prost-stackoverflow-reproducer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Fprost-stackoverflow-reproducer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Fprost-stackoverflow-reproducer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09f51da62547742e2564543e93c713317b1f4ca4
[INFO] checking dbrgn/prost-stackoverflow-reproducer against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Fprost-stackoverflow-reproducer" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbrgn/prost-stackoverflow-reproducer on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dbrgn/prost-stackoverflow-reproducer
[INFO] finished tweaking git repo https://github.com/dbrgn/prost-stackoverflow-reproducer
[INFO] tweaked toml for git repo https://github.com/dbrgn/prost-stackoverflow-reproducer written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dbrgn/prost-stackoverflow-reproducer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a59df89ab79fa317caff314cc587c9d002f64a99faed48ba12f077f534beea6
[INFO] running `Command { std: "docker" "start" "-a" "9a59df89ab79fa317caff314cc587c9d002f64a99faed48ba12f077f534beea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a59df89ab79fa317caff314cc587c9d002f64a99faed48ba12f077f534beea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a59df89ab79fa317caff314cc587c9d002f64a99faed48ba12f077f534beea6", kill_on_drop: false }`
[INFO] [stdout] 9a59df89ab79fa317caff314cc587c9d002f64a99faed48ba12f077f534beea6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1310f4fd17805efffe715d4ba53904a2e2c376124f93e03eed6bb7f9471cf4e7
[INFO] running `Command { std: "docker" "start" "-a" "1310f4fd17805efffe715d4ba53904a2e2c376124f93e03eed6bb7f9471cf4e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bytes v0.5.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.42
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-build v0.6.0
[INFO] [stderr]    Compiling prost-derive v0.6.0
[INFO] [stderr]    Compiling prost v0.6.0
[INFO] [stderr]    Compiling prost-types v0.6.0
[INFO] [stderr]    Compiling prost-stackoverflow-reproducer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.00s
[INFO] running `Command { std: "docker" "inspect" "1310f4fd17805efffe715d4ba53904a2e2c376124f93e03eed6bb7f9471cf4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1310f4fd17805efffe715d4ba53904a2e2c376124f93e03eed6bb7f9471cf4e7", kill_on_drop: false }`
[INFO] [stdout] 1310f4fd17805efffe715d4ba53904a2e2c376124f93e03eed6bb7f9471cf4e7