[INFO] crate neutrino 0.3.1 is already in cache
[INFO] testing neutrino-0.3.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate neutrino 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate neutrino 0.3.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neutrino 0.3.1
[INFO] finished tweaking crates.io crate neutrino 0.3.1
[INFO] tweaked toml for crates.io crate neutrino 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate neutrino 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 3350487e90ec07ec3e882dff6ba81080471267e67a2605ef0611d67be84e0c9f
[INFO] running `Command { std: "docker" "start" "-a" "3350487e90ec07ec3e882dff6ba81080471267e67a2605ef0611d67be84e0c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3350487e90ec07ec3e882dff6ba81080471267e67a2605ef0611d67be84e0c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3350487e90ec07ec3e882dff6ba81080471267e67a2605ef0611d67be84e0c9f", kill_on_drop: false }`
[INFO] [stdout] 3350487e90ec07ec3e882dff6ba81080471267e67a2605ef0611d67be84e0c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 4b20d3cff91a91ea3506f2648c725d5015dd0914d7028279a7e14de2be9627ed
[INFO] running `Command { std: "docker" "start" "-a" "4b20d3cff91a91ea3506f2648c725d5015dd0914d7028279a7e14de2be9627ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling bytecount v0.5.1
[INFO] [stderr]    Compiling urlencoding v1.0.0
[INFO] [stderr]    Compiling json v0.11.15
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling webview-sys v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling web-view v0.4.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling rsass v0.11.0
[INFO] [stderr]    Compiling neutrino v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.93s
[INFO] running `Command { std: "docker" "inspect" "4b20d3cff91a91ea3506f2648c725d5015dd0914d7028279a7e14de2be9627ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b20d3cff91a91ea3506f2648c725d5015dd0914d7028279a7e14de2be9627ed", kill_on_drop: false }`
[INFO] [stdout] 4b20d3cff91a91ea3506f2648c725d5015dd0914d7028279a7e14de2be9627ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--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] b94f64c52db24f281af6704e3a3e9e53bb1ae7517f6f124bbce4934bb3caf0c8
[INFO] running `Command { std: "docker" "start" "-a" "b94f64c52db24f281af6704e3a3e9e53bb1ae7517f6f124bbce4934bb3caf0c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling neutrino v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `neutrino`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name demo_default --edition=2018 examples/demo_default.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=c5522fb3c04acb55 -C extra-filename=-c5522fb3c04acb55 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-efbf899419cf4af6.rlib --extern json=/opt/rustwide/target/debug/deps/libjson-65cc960455f7d3d2.rlib --extern neutrino=/opt/rustwide/target/debug/deps/libneutrino-49cc18dc165b4c99.rlib --extern rsass=/opt/rustwide/target/debug/deps/librsass-fa8524958519d93e.rlib --extern strfmt=/opt/rustwide/target/debug/deps/libstrfmt-71c8d3bc19c9f823.rlib --extern web_view=/opt/rustwide/target/debug/deps/libweb_view-c60521e989a7233b.rlib --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu -L native=/opt/rustwide/target/debug/build/webview-sys-9c33132e8ddbef1f/out` (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" "b94f64c52db24f281af6704e3a3e9e53bb1ae7517f6f124bbce4934bb3caf0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94f64c52db24f281af6704e3a3e9e53bb1ae7517f6f124bbce4934bb3caf0c8", kill_on_drop: false }`
[INFO] [stdout] b94f64c52db24f281af6704e3a3e9e53bb1ae7517f6f124bbce4934bb3caf0c8