[INFO] fetching crate volition 0.1.4...
[INFO] checking volition-0.1.4 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate volition 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate volition 0.1.4 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate volition 0.1.4
[INFO] finished tweaking crates.io crate volition 0.1.4
[INFO] tweaked toml for crates.io crate volition 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate volition 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2e13e3622893f8f142fbbe3d30be16b013eeb321d502e5f5ce3bd9b99c3ed44
[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" "c2e13e3622893f8f142fbbe3d30be16b013eeb321d502e5f5ce3bd9b99c3ed44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2e13e3622893f8f142fbbe3d30be16b013eeb321d502e5f5ce3bd9b99c3ed44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e13e3622893f8f142fbbe3d30be16b013eeb321d502e5f5ce3bd9b99c3ed44", kill_on_drop: false }`
[INFO] [stdout] c2e13e3622893f8f142fbbe3d30be16b013eeb321d502e5f5ce3bd9b99c3ed44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69886580432c0b6fe04fd0624dbac44c5be7549eea8c01a779594401a94817af
[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" "69886580432c0b6fe04fd0624dbac44c5be7549eea8c01a779594401a94817af", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking instant v0.1.3
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking winit v0.21.0
[INFO] [stderr]     Checking volition v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.32s
[INFO] running `Command { std: "docker" "inspect" "69886580432c0b6fe04fd0624dbac44c5be7549eea8c01a779594401a94817af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69886580432c0b6fe04fd0624dbac44c5be7549eea8c01a779594401a94817af", kill_on_drop: false }`
[INFO] [stdout] 69886580432c0b6fe04fd0624dbac44c5be7549eea8c01a779594401a94817af