[INFO] cloning repository https://github.com/hoodie/cast-me
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hoodie/cast-me" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoodie%2Fcast-me", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoodie%2Fcast-me'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8283054223c4afb17c2a3878cbcad437d4f2f342
[INFO] checking hoodie/cast-me against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoodie%2Fcast-me" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hoodie/cast-me on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hoodie/cast-me
[INFO] finished tweaking git repo https://github.com/hoodie/cast-me
[INFO] tweaked toml for git repo https://github.com/hoodie/cast-me written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/hoodie/cast-me already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 332b9326be65eb3f35da0fa92e3fb24c301d2930c1c8ca327b0ba4a62b293644
[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" "332b9326be65eb3f35da0fa92e3fb24c301d2930c1c8ca327b0ba4a62b293644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "332b9326be65eb3f35da0fa92e3fb24c301d2930c1c8ca327b0ba4a62b293644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "332b9326be65eb3f35da0fa92e3fb24c301d2930c1c8ca327b0ba4a62b293644", kill_on_drop: false }`
[INFO] [stdout] 332b9326be65eb3f35da0fa92e3fb24c301d2930c1c8ca327b0ba4a62b293644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--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] b6dc45dbe222a7c2b117d214c24195cb73453215d0b1f4476e878917a5c8d195
[INFO] running `Command { std: "docker" "start" "-a" "b6dc45dbe222a7c2b117d214c24195cb73453215d0b1f4476e878917a5c8d195", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking gimli v0.20.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking findshlibs v0.5.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking addr2line v0.11.0
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.106/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --cfg 'feature="default"' -C metadata=f900352a7aba91bc -C extra-filename=-f900352a7aba91bc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d62cb44bce447eb4.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-60204ddaa01b2fde.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-eea72c0f01ca59e1.rlib --extern proc_macro --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" "b6dc45dbe222a7c2b117d214c24195cb73453215d0b1f4476e878917a5c8d195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6dc45dbe222a7c2b117d214c24195cb73453215d0b1f4476e878917a5c8d195", kill_on_drop: false }`
[INFO] [stdout] b6dc45dbe222a7c2b117d214c24195cb73453215d0b1f4476e878917a5c8d195