[INFO] fetching crate integer_scaling 1.3.2...
[INFO] checking integer_scaling-1.3.2 against master#8f08b3a32478b8d0507732800ecb548a76e0fd0c for pr-144157
[INFO] extracting crate integer_scaling 1.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate integer_scaling 1.3.2
[INFO] finished tweaking crates.io crate integer_scaling 1.3.2
[INFO] tweaked toml for crates.io crate integer_scaling 1.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate integer_scaling 1.3.2 on toolchain 8f08b3a32478b8d0507732800ecb548a76e0fd0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "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 IntegerScaling v1.3.2
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a65c9571fa54a9a295af44dd52ef3eaaab4b40fdc628bc74040c2478a13a2af8
[INFO] running `Command { std: "docker" "start" "-a" "a65c9571fa54a9a295af44dd52ef3eaaab4b40fdc628bc74040c2478a13a2af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a65c9571fa54a9a295af44dd52ef3eaaab4b40fdc628bc74040c2478a13a2af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65c9571fa54a9a295af44dd52ef3eaaab4b40fdc628bc74040c2478a13a2af8", kill_on_drop: false }`
[INFO] [stdout] a65c9571fa54a9a295af44dd52ef3eaaab4b40fdc628bc74040c2478a13a2af8
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff5fc22afad7472ded6d92a13659127c2820d7ecdc7cf01975184f2a9757f65e
[INFO] running `Command { std: "docker" "start" "-a" "ff5fc22afad7472ded6d92a13659127c2820d7ecdc7cf01975184f2a9757f65e", kill_on_drop: false }`
[INFO] [stderr]     Checking IntegerScaling v1.3.2
[INFO] [stderr]     Checking integer_scaling v1.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "ff5fc22afad7472ded6d92a13659127c2820d7ecdc7cf01975184f2a9757f65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5fc22afad7472ded6d92a13659127c2820d7ecdc7cf01975184f2a9757f65e", kill_on_drop: false }`
[INFO] [stdout] ff5fc22afad7472ded6d92a13659127c2820d7ecdc7cf01975184f2a9757f65e