[INFO] fetching crate zellij-server 0.16.0...
[INFO] testing zellij-server-0.16.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate zellij-server 0.16.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate zellij-server 0.16.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zellij-server 0.16.0
[INFO] finished tweaking crates.io crate zellij-server 0.16.0
[INFO] tweaked toml for crates.io crate zellij-server 0.16.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded boxfnonce v0.1.1
[INFO] [stderr]   Downloaded daemonize v0.4.1
[INFO] [stderr]   Downloaded wasmer-wasi v1.0.2
[INFO] [stderr]   Downloaded insta v1.8.0
[INFO] [stderr]   Downloaded zellij-utils v0.16.0
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff25673514f1d6126a89f08b1c597994ebca10521d28d29e64bdf334ce582fa1
[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" "ff25673514f1d6126a89f08b1c597994ebca10521d28d29e64bdf334ce582fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff25673514f1d6126a89f08b1c597994ebca10521d28d29e64bdf334ce582fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff25673514f1d6126a89f08b1c597994ebca10521d28d29e64bdf334ce582fa1", kill_on_drop: false }`
[INFO] [stdout] ff25673514f1d6126a89f08b1c597994ebca10521d28d29e64bdf334ce582fa1
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", 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] 435b26300ab771891826903683d3f7eba0f8d44c2fbd5ef5c4518b6d1d7cf575
[INFO] running `Command { std: "docker" "start" "-a" "435b26300ab771891826903683d3f7eba0f8d44c2fbd5ef5c4518b6d1d7cf575", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling target-lexicon v0.11.2
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.68.0
[INFO] [stderr]    Compiling cranelift-entity v0.68.0
[INFO] [stderr]    Compiling wasmparser v0.65.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v1.0.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling intmap v0.7.0
[INFO] [stderr]    Compiling arc-swap v0.4.8
[INFO] [stderr]    Compiling colors-transform v0.2.11
[INFO] [stderr]    Compiling boxfnonce v0.1.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling wasmer-vm v1.0.2
[INFO] [stderr]    Compiling wast v38.0.0
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling spinning v0.1.0
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling daemonize v0.4.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.68.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling typetag-impl v0.1.7
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling wasmer-derive v1.0.2
[INFO] [stderr]    Compiling vte v0.10.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr] error: could not compile `clap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clap /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.3/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 --cfg 'feature="ansi_term"' --cfg 'feature="atty"' --cfg 'feature="color"' --cfg 'feature="default"' --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --cfg 'feature="vec_map"' -C metadata=5d8b276fe7b480b8 -C extra-filename=-5d8b276fe7b480b8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-329dab68dba20daf.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-1154b3efd5d0be21.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f947290fec4feb2c.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-0fc606efc91e3789.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-349506f3b2349b3f.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-05a4b639dec6224c.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-5f104c2ee05f26e6.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" "435b26300ab771891826903683d3f7eba0f8d44c2fbd5ef5c4518b6d1d7cf575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "435b26300ab771891826903683d3f7eba0f8d44c2fbd5ef5c4518b6d1d7cf575", kill_on_drop: false }`
[INFO] [stdout] 435b26300ab771891826903683d3f7eba0f8d44c2fbd5ef5c4518b6d1d7cf575