[INFO] fetching crate mouscache 0.5.6...
[INFO] checking mouscache-0.5.6 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate mouscache 0.5.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mouscache 0.5.6 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mouscache 0.5.6
[INFO] finished tweaking crates.io crate mouscache 0.5.6
[INFO] tweaked toml for crates.io crate mouscache 0.5.6 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38fb6c63cb033540725501ff674ac869308114b69729f4a7b0eb2d252929b1e4
[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" "38fb6c63cb033540725501ff674ac869308114b69729f4a7b0eb2d252929b1e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38fb6c63cb033540725501ff674ac869308114b69729f4a7b0eb2d252929b1e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38fb6c63cb033540725501ff674ac869308114b69729f4a7b0eb2d252929b1e4", kill_on_drop: false }`
[INFO] [stdout] 38fb6c63cb033540725501ff674ac869308114b69729f4a7b0eb2d252929b1e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2afff494973f993352f9e6133133553bb1d4399283a7645f9d2df604521a3216
[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" "2afff494973f993352f9e6133133553bb1d4399283a7645f9d2df604521a3216", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling redis v0.10.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking dns-lookup v0.9.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking mouscache v0.5.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.13s
[INFO] running `Command { std: "docker" "inspect" "2afff494973f993352f9e6133133553bb1d4399283a7645f9d2df604521a3216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2afff494973f993352f9e6133133553bb1d4399283a7645f9d2df604521a3216", kill_on_drop: false }`
[INFO] [stdout] 2afff494973f993352f9e6133133553bb1d4399283a7645f9d2df604521a3216