[INFO] fetching crate nu 0.21.0...
[INFO] testing nu-0.21.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate nu 0.21.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nu 0.21.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu 0.21.0
[INFO] finished tweaking crates.io crate nu 0.21.0
[INFO] tweaked toml for crates.io crate nu 0.21.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate nu 0.21.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03b4ace6a132b7ec0f4a3e9722e4afed24c3bfe19e9a92fb609d716fdfe43841
[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" "03b4ace6a132b7ec0f4a3e9722e4afed24c3bfe19e9a92fb609d716fdfe43841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03b4ace6a132b7ec0f4a3e9722e4afed24c3bfe19e9a92fb609d716fdfe43841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b4ace6a132b7ec0f4a3e9722e4afed24c3bfe19e9a92fb609d716fdfe43841", kill_on_drop: false }`
[INFO] [stdout] 03b4ace6a132b7ec0f4a3e9722e4afed24c3bfe19e9a92fb609d716fdfe43841
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68b7029701d63efd753d6d73c5c5c1a5b57d366e3e6172f34ca12a79de9ddcb3
[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" "68b7029701d63efd753d6d73c5c5c1a5b57d366e3e6172f34ca12a79de9ddcb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling fastrand v1.3.4
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling event-listener v2.4.0
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling heim-common v0.1.0-beta.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling heim-host v0.1.0-beta.1
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling macaddr v1.0.1
[INFO] [stderr]    Compiling platforms v0.2.1
[INFO] [stderr]    Compiling vec-arena v0.5.2
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling peresil v0.3.0
[INFO] [stderr]    Compiling query_interface v0.3.5
[INFO] [stderr]    Compiling std_prelude v0.2.12
[INFO] [stderr]    Compiling battery v0.7.6
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling wild v2.0.4
[INFO] [stderr]    Compiling result v1.0.0
[INFO] [stderr]    Compiling xmlparser v0.13.2
[INFO] [stderr]    Compiling shell-words v1.0.0
[INFO] [stderr]    Compiling filesize v0.2.0
[INFO] [stderr]    Compiling pretty-hex v0.2.0
[INFO] [stderr]    Compiling umask v1.0.0
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling nu-table v0.21.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling async-mutex v1.1.5
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling tint v1.0.1
[INFO] [stderr]    Compiling path_abs v0.5.0
[INFO] [stderr]    Compiling sxd-document v0.3.2
[INFO] [stderr]    Compiling async-channel v1.4.0
[INFO] [stderr]    Compiling multitask v0.2.0
[INFO] [stderr]    Compiling rust-embed-utils v5.0.0
[INFO] [stderr]    Compiling roxmltree v0.13.0
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling content_inspector v0.2.4
[INFO] [stderr]    Compiling quick-xml v0.18.1
[INFO] [stderr]    Compiling quick-xml v0.17.2
[INFO] [stderr]    Compiling codepage v0.1.1
[INFO] [stderr]    Compiling meval v0.2.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling uom v0.29.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling fancy-regex v0.3.5
[INFO] [stderr]    Compiling eml-parser v0.1.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling sxd-xpath v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[INFO] [stderr]    Compiling blocking v0.4.7
[INFO] [stderr]    Compiling blocking v0.5.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling polling v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling users v0.10.0
[INFO] [stderr]    Compiling terminal_size v0.1.13
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling dirs-sys-next v0.1.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling directories v3.0.1
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling chrono-tz v0.5.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling async-io v0.1.11
[INFO] [stderr]    Compiling console v0.11.3
[INFO] [stderr]    Compiling dirs-next v1.0.1
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling shellexpand v2.0.0
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling uom v0.28.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling async-executor v0.1.2
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ctrlc v3.1.6
[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-0.17.0/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=516584c8c98f9bc9 -C extra-filename=-516584c8c98f9bc9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e8b42ad6d332332e.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-d2033c938d1688fd.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-375d9535c21a80fd.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-3484f9f7e819ca54.rmeta --cap-lints allow --cap-lints=warn` (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" "68b7029701d63efd753d6d73c5c5c1a5b57d366e3e6172f34ca12a79de9ddcb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b7029701d63efd753d6d73c5c5c1a5b57d366e3e6172f34ca12a79de9ddcb3", kill_on_drop: false }`
[INFO] [stdout] 68b7029701d63efd753d6d73c5c5c1a5b57d366e3e6172f34ca12a79de9ddcb3
