[INFO] fetching crate mini-grep 0.1.3...
[INFO] checking mini-grep-0.1.3 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate mini-grep 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mini-grep 0.1.3 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 crates.io crate mini-grep 0.1.3
[INFO] finished tweaking crates.io crate mini-grep 0.1.3
[INFO] tweaked toml for crates.io crate mini-grep 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 8b2e8dad072758b996c4b963334c57d1eba1c099542064e6e6ddd22405d5baaa
[INFO] running `Command { std: "docker" "start" "-a" "8b2e8dad072758b996c4b963334c57d1eba1c099542064e6e6ddd22405d5baaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b2e8dad072758b996c4b963334c57d1eba1c099542064e6e6ddd22405d5baaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2e8dad072758b996c4b963334c57d1eba1c099542064e6e6ddd22405d5baaa", kill_on_drop: false }`
[INFO] [stdout] 8b2e8dad072758b996c4b963334c57d1eba1c099542064e6e6ddd22405d5baaa
[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] 3913309a6028bb35a4ef374f56ea06518a650f5469bee22271f56d08937b040d
[INFO] running `Command { std: "docker" "start" "-a" "3913309a6028bb35a4ef374f56ea06518a650f5469bee22271f56d08937b040d", kill_on_drop: false }`
[INFO] [stderr]     Checking mini-grep v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "3913309a6028bb35a4ef374f56ea06518a650f5469bee22271f56d08937b040d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3913309a6028bb35a4ef374f56ea06518a650f5469bee22271f56d08937b040d", kill_on_drop: false }`
[INFO] [stdout] 3913309a6028bb35a4ef374f56ea06518a650f5469bee22271f56d08937b040d