[INFO] fetching crate natural_slice 0.1.2...
[INFO] checking natural_slice-0.1.2 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] extracting crate natural_slice 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate natural_slice 0.1.2 on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate natural_slice 0.1.2
[INFO] finished tweaking crates.io crate natural_slice 0.1.2
[INFO] tweaked toml for crates.io crate natural_slice 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding factorial v0.2.1 (latest: v0.4.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.15)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding wasi v0.9.0+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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded factorial v0.2.1
[INFO] [stderr]   Downloaded radix_fmt v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28a2c85adac639a3c7a42af817ae3cd604ea8dc788d2ed2f81d89d872785462e
[INFO] running `Command { std: "docker" "start" "-a" "28a2c85adac639a3c7a42af817ae3cd604ea8dc788d2ed2f81d89d872785462e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28a2c85adac639a3c7a42af817ae3cd604ea8dc788d2ed2f81d89d872785462e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a2c85adac639a3c7a42af817ae3cd604ea8dc788d2ed2f81d89d872785462e", kill_on_drop: false }`
[INFO] [stdout] 28a2c85adac639a3c7a42af817ae3cd604ea8dc788d2ed2f81d89d872785462e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2baf2d4a158d268b8c9d85390e68c2f05df2c28bb5f29e1ab995f2a34a0ff63
[INFO] running `Command { std: "docker" "start" "-a" "c2baf2d4a158d268b8c9d85390e68c2f05df2c28bb5f29e1ab995f2a34a0ff63", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking radix_fmt v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking factorial v0.2.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking natural_slice v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "c2baf2d4a158d268b8c9d85390e68c2f05df2c28bb5f29e1ab995f2a34a0ff63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2baf2d4a158d268b8c9d85390e68c2f05df2c28bb5f29e1ab995f2a34a0ff63", kill_on_drop: false }`
[INFO] [stdout] c2baf2d4a158d268b8c9d85390e68c2f05df2c28bb5f29e1ab995f2a34a0ff63