[INFO] fetching crate runwrap 0.2.0...
[INFO] checking runwrap-0.2.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate runwrap 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate runwrap 0.2.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate runwrap 0.2.0
[INFO] finished tweaking crates.io crate runwrap 0.2.0
[INFO] tweaked toml for crates.io crate runwrap 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26a10bee987e4fa8d821ff7dd70c6e4ad1d6fa7e179948c07ecc9237b6e20338
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "26a10bee987e4fa8d821ff7dd70c6e4ad1d6fa7e179948c07ecc9237b6e20338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26a10bee987e4fa8d821ff7dd70c6e4ad1d6fa7e179948c07ecc9237b6e20338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a10bee987e4fa8d821ff7dd70c6e4ad1d6fa7e179948c07ecc9237b6e20338", kill_on_drop: false }`
[INFO] [stdout] 26a10bee987e4fa8d821ff7dd70c6e4ad1d6fa7e179948c07ecc9237b6e20338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7dc5482942091ff97e6a7b21d362119ebf18be0a8936041fbe34f44f04aa1a1a
[INFO] running `Command { std: "docker" "start" "-a" "7dc5482942091ff97e6a7b21d362119ebf18be0a8936041fbe34f44f04aa1a1a", kill_on_drop: false }`
[INFO] [stderr]     Checking partial_application v0.2.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rstest v0.10.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling unicode-linebreak v0.1.1
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking runwrap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.02s
[INFO] running `Command { std: "docker" "inspect" "7dc5482942091ff97e6a7b21d362119ebf18be0a8936041fbe34f44f04aa1a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc5482942091ff97e6a7b21d362119ebf18be0a8936041fbe34f44f04aa1a1a", kill_on_drop: false }`
[INFO] [stdout] 7dc5482942091ff97e6a7b21d362119ebf18be0a8936041fbe34f44f04aa1a1a