[INFO] fetching crate filedescriptor 0.7.1...
[INFO] checking filedescriptor-0.7.1 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate filedescriptor 0.7.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate filedescriptor 0.7.1 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 filedescriptor 0.7.1
[INFO] finished tweaking crates.io crate filedescriptor 0.7.1
[INFO] tweaked toml for crates.io crate filedescriptor 0.7.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51a9a61cb15c108a46175840b8618766d5586ae3c6b774ee2f09663376885218
[INFO] running `Command { std: "docker" "start" "-a" "51a9a61cb15c108a46175840b8618766d5586ae3c6b774ee2f09663376885218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51a9a61cb15c108a46175840b8618766d5586ae3c6b774ee2f09663376885218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a9a61cb15c108a46175840b8618766d5586ae3c6b774ee2f09663376885218", kill_on_drop: false }`
[INFO] [stdout] 51a9a61cb15c108a46175840b8618766d5586ae3c6b774ee2f09663376885218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 212bf14f59165f112247d169cf67633a7cd8aae02b9d73d814c0dca7b92a2fc7
[INFO] running `Command { std: "docker" "start" "-a" "212bf14f59165f112247d169cf67633a7cd8aae02b9d73d814c0dca7b92a2fc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking filedescriptor v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.06s
[INFO] running `Command { std: "docker" "inspect" "212bf14f59165f112247d169cf67633a7cd8aae02b9d73d814c0dca7b92a2fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "212bf14f59165f112247d169cf67633a7cd8aae02b9d73d814c0dca7b92a2fc7", kill_on_drop: false }`
[INFO] [stdout] 212bf14f59165f112247d169cf67633a7cd8aae02b9d73d814c0dca7b92a2fc7
