[INFO] cloning repository https://github.com/notkanbaru/maki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notkanbaru/maki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotkanbaru%2Fmaki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotkanbaru%2Fmaki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b67fae69ce915e0b6af4b9a244833c25dd472e71
[INFO] checking notkanbaru/maki against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotkanbaru%2Fmaki" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notkanbaru/maki on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/notkanbaru/maki
[INFO] finished tweaking git repo https://github.com/notkanbaru/maki
[INFO] tweaked toml for git repo https://github.com/notkanbaru/maki written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/notkanbaru/maki already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19c1c0f650aedfef5cb502effbb935c4fe2fa454b47cbf9091f1eda13b93386a
[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" "19c1c0f650aedfef5cb502effbb935c4fe2fa454b47cbf9091f1eda13b93386a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19c1c0f650aedfef5cb502effbb935c4fe2fa454b47cbf9091f1eda13b93386a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c1c0f650aedfef5cb502effbb935c4fe2fa454b47cbf9091f1eda13b93386a", kill_on_drop: false }`
[INFO] [stdout] 19c1c0f650aedfef5cb502effbb935c4fe2fa454b47cbf9091f1eda13b93386a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52664e953d19bcb548f0a27f2214be3c96414f66e2b8d73409ed0fb9dc936e15
[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" "52664e953d19bcb548f0a27f2214be3c96414f66e2b8d73409ed0fb9dc936e15", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling heim-common v0.1.0-beta.1
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]    Compiling object v0.21.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling heim-host v0.1.0-beta.1
[INFO] [stderr]     Checking platforms v0.2.1
[INFO] [stderr]     Checking macaddr v1.0.1
[INFO] [stderr]    Compiling serenity v0.9.0-rc.2 (https://github.com/serenity-rs/serenity?branch=next#860a2c50)
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking cached v0.11.0
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking uom v0.28.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling isolang v1.0.0
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling command_attr v0.3.0-rc.2 (https://github.com/serenity-rs/serenity?branch=next#860a2c50)
[INFO] [stderr] error: could not compile `isolang`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name isolang /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/isolang-1.0.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=5052a36892190dd8 -C extra-filename=-5052a36892190dd8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern phf=/opt/rustwide/target/debug/deps/libphf-c8fb2cf102a18a0f.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" "52664e953d19bcb548f0a27f2214be3c96414f66e2b8d73409ed0fb9dc936e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52664e953d19bcb548f0a27f2214be3c96414f66e2b8d73409ed0fb9dc936e15", kill_on_drop: false }`
[INFO] [stdout] 52664e953d19bcb548f0a27f2214be3c96414f66e2b8d73409ed0fb9dc936e15