[INFO] fetching crate prost-helper 0.8.3...
[INFO] checking prost-helper-0.8.3 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate prost-helper 0.8.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate prost-helper 0.8.3 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-helper 0.8.3
[INFO] finished tweaking crates.io crate prost-helper 0.8.3
[INFO] tweaked toml for crates.io crate prost-helper 0.8.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.1)
[INFO] [stderr]       Adding itertools v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding uuid7 v0.7.2 (latest: v1.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fstr v0.2.10
[INFO] [stderr]   Downloaded uuid7 v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bbd3a4fb4479c43ec2cc9b0b9d7acd9686a290ab3fdfc0d33dcf606b0bfe108
[INFO] running `Command { std: "docker" "start" "-a" "0bbd3a4fb4479c43ec2cc9b0b9d7acd9686a290ab3fdfc0d33dcf606b0bfe108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bbd3a4fb4479c43ec2cc9b0b9d7acd9686a290ab3fdfc0d33dcf606b0bfe108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bbd3a4fb4479c43ec2cc9b0b9d7acd9686a290ab3fdfc0d33dcf606b0bfe108", kill_on_drop: false }`
[INFO] [stdout] 0bbd3a4fb4479c43ec2cc9b0b9d7acd9686a290ab3fdfc0d33dcf606b0bfe108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2c7ea5de21492c0d50ee3eccc32d57b0b0a8e70261d7d45718d2f60564b34a6
[INFO] running `Command { std: "docker" "start" "-a" "c2c7ea5de21492c0d50ee3eccc32d57b0b0a8e70261d7d45718d2f60564b34a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]     Checking fstr v0.2.10
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking uuid7 v0.7.2
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Checking prost v0.12.6
[INFO] [stderr]     Checking prost-helper v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "c2c7ea5de21492c0d50ee3eccc32d57b0b0a8e70261d7d45718d2f60564b34a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c7ea5de21492c0d50ee3eccc32d57b0b0a8e70261d7d45718d2f60564b34a6", kill_on_drop: false }`
[INFO] [stdout] c2c7ea5de21492c0d50ee3eccc32d57b0b0a8e70261d7d45718d2f60564b34a6