[INFO] fetching crate entrance 0.2.0...
[INFO] checking entrance-0.2.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate entrance 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate entrance 0.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate entrance 0.2.0
[INFO] finished tweaking crates.io crate entrance 0.2.0
[INFO] tweaked toml for crates.io crate entrance 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate entrance 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 964b254a5a0e383c6c05d4ee043bcebc568b47dd651f2dc679d6d35885162646
[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" "964b254a5a0e383c6c05d4ee043bcebc568b47dd651f2dc679d6d35885162646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "964b254a5a0e383c6c05d4ee043bcebc568b47dd651f2dc679d6d35885162646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "964b254a5a0e383c6c05d4ee043bcebc568b47dd651f2dc679d6d35885162646", kill_on_drop: false }`
[INFO] [stdout] 964b254a5a0e383c6c05d4ee043bcebc568b47dd651f2dc679d6d35885162646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] a07a0b6eaa3b9c743da5404dc44ee10ad40f99fd60fc54c65d4a52ff86ccceb3
[INFO] running `Command { std: "docker" "start" "-a" "a07a0b6eaa3b9c743da5404dc44ee10ad40f99fd60fc54c65d4a52ff86ccceb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling entrance_derive v0.2.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking entrance v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.31s
[INFO] running `Command { std: "docker" "inspect" "a07a0b6eaa3b9c743da5404dc44ee10ad40f99fd60fc54c65d4a52ff86ccceb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a07a0b6eaa3b9c743da5404dc44ee10ad40f99fd60fc54c65d4a52ff86ccceb3", kill_on_drop: false }`
[INFO] [stdout] a07a0b6eaa3b9c743da5404dc44ee10ad40f99fd60fc54c65d4a52ff86ccceb3
