[INFO] fetching crate allo-isolate 0.1.6...
[INFO] checking allo-isolate-0.1.6 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate allo-isolate 0.1.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate allo-isolate 0.1.6 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] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking crates.io crate allo-isolate 0.1.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate allo-isolate 0.1.6
[INFO] tweaked toml for crates.io crate allo-isolate 0.1.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate allo-isolate 0.1.6 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e459f0ec941bbba5696cce59f54d2ab9bb307e12e1771e8d81c85b4c78a30851
[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" "e459f0ec941bbba5696cce59f54d2ab9bb307e12e1771e8d81c85b4c78a30851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e459f0ec941bbba5696cce59f54d2ab9bb307e12e1771e8d81c85b4c78a30851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e459f0ec941bbba5696cce59f54d2ab9bb307e12e1771e8d81c85b4c78a30851", kill_on_drop: false }`
[INFO] [stdout] e459f0ec941bbba5696cce59f54d2ab9bb307e12e1771e8d81c85b4c78a30851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 9b48bf64150c548391d334d25e3f15cb7021d4c505267bfb67afd001c4a2eb92
[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" "9b48bf64150c548391d334d25e3f15cb7021d4c505267bfb67afd001c4a2eb92", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking allo-isolate v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "9b48bf64150c548391d334d25e3f15cb7021d4c505267bfb67afd001c4a2eb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b48bf64150c548391d334d25e3f15cb7021d4c505267bfb67afd001c4a2eb92", kill_on_drop: false }`
[INFO] [stdout] 9b48bf64150c548391d334d25e3f15cb7021d4c505267bfb67afd001c4a2eb92
