[INFO] fetching crate ips 0.1.0...
[INFO] checking ips-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate ips 0.1.0 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate ips 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ips 0.1.0
[INFO] finished tweaking crates.io crate ips 0.1.0
[INFO] tweaked toml for crates.io crate ips 0.1.0 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 952a22981fb0c1aa2558339a10d126841270bcd2d12a5a02c83ebbbd41d0f4ba
[INFO] running `Command { std: "docker" "start" "-a" "952a22981fb0c1aa2558339a10d126841270bcd2d12a5a02c83ebbbd41d0f4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "952a22981fb0c1aa2558339a10d126841270bcd2d12a5a02c83ebbbd41d0f4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952a22981fb0c1aa2558339a10d126841270bcd2d12a5a02c83ebbbd41d0f4ba", kill_on_drop: false }`
[INFO] [stdout] 952a22981fb0c1aa2558339a10d126841270bcd2d12a5a02c83ebbbd41d0f4ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fa3648f18f291924b74dd77eff4103ab876d6459d8d1d56c5960893c85f07fb
[INFO] running `Command { std: "docker" "start" "-a" "0fa3648f18f291924b74dd77eff4103ab876d6459d8d1d56c5960893c85f07fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking ips v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.05s
[INFO] running `Command { std: "docker" "inspect" "0fa3648f18f291924b74dd77eff4103ab876d6459d8d1d56c5960893c85f07fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa3648f18f291924b74dd77eff4103ab876d6459d8d1d56c5960893c85f07fb", kill_on_drop: false }`
[INFO] [stdout] 0fa3648f18f291924b74dd77eff4103ab876d6459d8d1d56c5960893c85f07fb
