[INFO] fetching crate spacebar 0.3.0-rc1...
[INFO] testing spacebar-0.3.0-rc1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate spacebar 0.3.0-rc1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate spacebar 0.3.0-rc1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spacebar 0.3.0-rc1
[INFO] finished tweaking crates.io crate spacebar 0.3.0-rc1
[INFO] tweaked toml for crates.io crate spacebar 0.3.0-rc1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate spacebar 0.3.0-rc1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3a8f4a6b2c2a2a6dcfa71d9acff6ae7d5f201ffcc5de25aec753c1d3bb4bd9e
[INFO] running `Command { std: "docker" "start" "-a" "e3a8f4a6b2c2a2a6dcfa71d9acff6ae7d5f201ffcc5de25aec753c1d3bb4bd9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3a8f4a6b2c2a2a6dcfa71d9acff6ae7d5f201ffcc5de25aec753c1d3bb4bd9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a8f4a6b2c2a2a6dcfa71d9acff6ae7d5f201ffcc5de25aec753c1d3bb4bd9e", kill_on_drop: false }`
[INFO] [stdout] e3a8f4a6b2c2a2a6dcfa71d9acff6ae7d5f201ffcc5de25aec753c1d3bb4bd9e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0f3de174ccb60e7f57154a06720343fdd0b21f2d72ffe2b9945f79321f4de7a
[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" "d0f3de174ccb60e7f57154a06720343fdd0b21f2d72ffe2b9945f79321f4de7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.1
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.1
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling tokio v0.2.16
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling rusqlite v0.21.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling spinner v0.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling spinners v1.2.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.14.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=f4337e34d45e2dd6 -C extra-filename=-f4337e34d45e2dd6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-603a79344a96ee73.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-de9cbe0cb77e19a3.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-ffe0d2d34dcd345e.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-5636004af8853cbe.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d0f3de174ccb60e7f57154a06720343fdd0b21f2d72ffe2b9945f79321f4de7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f3de174ccb60e7f57154a06720343fdd0b21f2d72ffe2b9945f79321f4de7a", kill_on_drop: false }`
[INFO] [stdout] d0f3de174ccb60e7f57154a06720343fdd0b21f2d72ffe2b9945f79321f4de7a