[INFO] fetching crate expression-num 0.2.3...
[INFO] checking expression-num-0.2.3 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate expression-num 0.2.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate expression-num 0.2.3 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 expression-num 0.2.3
[INFO] finished tweaking crates.io crate expression-num 0.2.3
[INFO] tweaked toml for crates.io crate expression-num 0.2.3 written to /workspace/builds/worker-7/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] [stderr]     Blocking waiting for file lock on package cache
[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] 25ca893ace5315959c8cbdaaa5b3c9a6f858a4a2d3677066155eb6518a5134b3
[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" "25ca893ace5315959c8cbdaaa5b3c9a6f858a4a2d3677066155eb6518a5134b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25ca893ace5315959c8cbdaaa5b3c9a6f858a4a2d3677066155eb6518a5134b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ca893ace5315959c8cbdaaa5b3c9a6f858a4a2d3677066155eb6518a5134b3", kill_on_drop: false }`
[INFO] [stdout] 25ca893ace5315959c8cbdaaa5b3c9a6f858a4a2d3677066155eb6518a5134b3
[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] 128a97a9facaf7e9bcf5571dc925265dd81ca9bfe3c27723f2f6ba5adcc64789
[INFO] running `Command { std: "docker" "start" "-a" "128a97a9facaf7e9bcf5571dc925265dd81ca9bfe3c27723f2f6ba5adcc64789", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking asexp v0.3.2
[INFO] [stderr]     Checking expression v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking expression-num v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "128a97a9facaf7e9bcf5571dc925265dd81ca9bfe3c27723f2f6ba5adcc64789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128a97a9facaf7e9bcf5571dc925265dd81ca9bfe3c27723f2f6ba5adcc64789", kill_on_drop: false }`
[INFO] [stdout] 128a97a9facaf7e9bcf5571dc925265dd81ca9bfe3c27723f2f6ba5adcc64789
