[INFO] fetching crate libtest-mimic 0.3.0...
[INFO] checking libtest-mimic-0.3.0 against beta for pr-78714
[INFO] extracting crate libtest-mimic 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate libtest-mimic 0.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libtest-mimic 0.3.0
[INFO] finished tweaking crates.io crate libtest-mimic 0.3.0
[INFO] tweaked toml for crates.io crate libtest-mimic 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate libtest-mimic 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bd5f08ffc75cbce22c25f43ac878e84326953694a711d4efe6fad9f94144c35
[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" "0bd5f08ffc75cbce22c25f43ac878e84326953694a711d4efe6fad9f94144c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bd5f08ffc75cbce22c25f43ac878e84326953694a711d4efe6fad9f94144c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd5f08ffc75cbce22c25f43ac878e84326953694a711d4efe6fad9f94144c35", kill_on_drop: false }`
[INFO] [stdout] 0bd5f08ffc75cbce22c25f43ac878e84326953694a711d4efe6fad9f94144c35
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e0fa39375e93c9758fbddca526bc873e370f17b9591d76a433e9d2d31a89a44
[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" "3e0fa39375e93c9758fbddca526bc873e370f17b9591d76a433e9d2d31a89a44", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking libtest-mimic v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "3e0fa39375e93c9758fbddca526bc873e370f17b9591d76a433e9d2d31a89a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0fa39375e93c9758fbddca526bc873e370f17b9591d76a433e9d2d31a89a44", kill_on_drop: false }`
[INFO] [stdout] 3e0fa39375e93c9758fbddca526bc873e370f17b9591d76a433e9d2d31a89a44