[INFO] fetching crate git_practice 0.0.1...
[INFO] checking git_practice-0.0.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate git_practice 0.0.1 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate git_practice 0.0.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate git_practice 0.0.1
[INFO] finished tweaking crates.io crate git_practice 0.0.1
[INFO] tweaked toml for crates.io crate git_practice 0.0.1 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb8c3ec88fcda9edb8ba08d2e2fc356dd3a483dbbb42ff05199ccabdc70d5a56
[INFO] running `Command { std: "docker" "start" "-a" "eb8c3ec88fcda9edb8ba08d2e2fc356dd3a483dbbb42ff05199ccabdc70d5a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb8c3ec88fcda9edb8ba08d2e2fc356dd3a483dbbb42ff05199ccabdc70d5a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8c3ec88fcda9edb8ba08d2e2fc356dd3a483dbbb42ff05199ccabdc70d5a56", kill_on_drop: false }`
[INFO] [stdout] eb8c3ec88fcda9edb8ba08d2e2fc356dd3a483dbbb42ff05199ccabdc70d5a56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19313c3aa5c91d3d4aa0756dfd9bf59c18ad6f55c7098c5d6dd2aef22a70c4fc
[INFO] running `Command { std: "docker" "start" "-a" "19313c3aa5c91d3d4aa0756dfd9bf59c18ad6f55c7098c5d6dd2aef22a70c4fc", kill_on_drop: false }`
[INFO] [stderr]     Checking git_practice v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "19313c3aa5c91d3d4aa0756dfd9bf59c18ad6f55c7098c5d6dd2aef22a70c4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19313c3aa5c91d3d4aa0756dfd9bf59c18ad6f55c7098c5d6dd2aef22a70c4fc", kill_on_drop: false }`
[INFO] [stdout] 19313c3aa5c91d3d4aa0756dfd9bf59c18ad6f55c7098c5d6dd2aef22a70c4fc
