[INFO] fetching crate tox 0.1.0...
[INFO] checking tox-0.1.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate tox 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tox 0.1.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tox 0.1.0
[INFO] finished tweaking crates.io crate tox 0.1.0
[INFO] tweaked toml for crates.io crate tox 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdc37aadec274e6c1f3919a191b3b45f54d5d1895b959edcd5352af7d2b508dd
[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" "fdc37aadec274e6c1f3919a191b3b45f54d5d1895b959edcd5352af7d2b508dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdc37aadec274e6c1f3919a191b3b45f54d5d1895b959edcd5352af7d2b508dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc37aadec274e6c1f3919a191b3b45f54d5d1895b959edcd5352af7d2b508dd", kill_on_drop: false }`
[INFO] [stdout] fdc37aadec274e6c1f3919a191b3b45f54d5d1895b959edcd5352af7d2b508dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca694a6f903694231ed4f9398092f1125e51e233fc72183c1d5dccb15748c966
[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" "ca694a6f903694231ed4f9398092f1125e51e233fc72183c1d5dccb15748c966", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking lru v0.6.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking sodiumoxide v0.2.6
[INFO] [stderr]     Checking tox_crypto v0.1.0
[INFO] [stderr]     Checking tox_binary_io v0.1.0
[INFO] [stderr]     Checking tox_encryptsave v0.1.0
[INFO] [stderr]     Checking tox_packet v0.1.0
[INFO] [stderr]     Checking tox_core v0.1.0
[INFO] [stderr]     Checking tox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 32s
[INFO] running `Command { std: "docker" "inspect" "ca694a6f903694231ed4f9398092f1125e51e233fc72183c1d5dccb15748c966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca694a6f903694231ed4f9398092f1125e51e233fc72183c1d5dccb15748c966", kill_on_drop: false }`
[INFO] [stdout] ca694a6f903694231ed4f9398092f1125e51e233fc72183c1d5dccb15748c966