[INFO] fetching crate libstripe 0.5.9...
[INFO] testing libstripe-0.5.9 against 1.49.0 for beta-1.50-1
[INFO] extracting crate libstripe 0.5.9 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate libstripe 0.5.9 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libstripe 0.5.9
[INFO] finished tweaking crates.io crate libstripe 0.5.9
[INFO] tweaked toml for crates.io crate libstripe 0.5.9 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2168cafb771778ce57b7334a1769154d52409cab0c6bb5a6ff91d611670f64dd
[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" "2168cafb771778ce57b7334a1769154d52409cab0c6bb5a6ff91d611670f64dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2168cafb771778ce57b7334a1769154d52409cab0c6bb5a6ff91d611670f64dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2168cafb771778ce57b7334a1769154d52409cab0c6bb5a6ff91d611670f64dd", kill_on_drop: false }`
[INFO] [stdout] 2168cafb771778ce57b7334a1769154d52409cab0c6bb5a6ff91d611670f64dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38079a0934dfe148d2c149689409ebaf7f0a3899343cb9614a757991f0e5983e
[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" "38079a0934dfe148d2c149689409ebaf7f0a3899343cb9614a757991f0e5983e", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling libstripe v0.5.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "38079a0934dfe148d2c149689409ebaf7f0a3899343cb9614a757991f0e5983e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38079a0934dfe148d2c149689409ebaf7f0a3899343cb9614a757991f0e5983e", kill_on_drop: false }`
[INFO] [stdout] 38079a0934dfe148d2c149689409ebaf7f0a3899343cb9614a757991f0e5983e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceecb5c8817d638d4bba2c0a25b52716a031bab100182e7c1e7e492853697a59
[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" "ceecb5c8817d638d4bba2c0a25b52716a031bab100182e7c1e7e492853697a59", kill_on_drop: false }`
[INFO] [stderr]    Compiling libstripe v0.5.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]  --> examples/async_customer.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::future::{self, Future};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libstripe`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name subscriptions --edition=2018 examples/subscriptions.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=cffafc08cb593c8d -C extra-filename=-cffafc08cb593c8d --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern futures=/opt/rustwide/target/debug/deps/libfutures-adb515f94880e447.rlib --extern http=/opt/rustwide/target/debug/deps/libhttp-cdc00dc392329b33.rlib --extern libstripe=/opt/rustwide/target/debug/deps/liblibstripe-398ef19271186194.rlib --extern mime=/opt/rustwide/target/debug/deps/libmime-1f80b638f4e5cb9c.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-0347da461084c557.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-bf7b07aad289df76.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-87f17eb503ee89fb.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-295407260261f8e1.rlib --extern serde_qs=/opt/rustwide/target/debug/deps/libserde_qs-c5d65deb971803f7.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-23ea7509baba27f4.rlib --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" "ceecb5c8817d638d4bba2c0a25b52716a031bab100182e7c1e7e492853697a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceecb5c8817d638d4bba2c0a25b52716a031bab100182e7c1e7e492853697a59", kill_on_drop: false }`
[INFO] [stdout] ceecb5c8817d638d4bba2c0a25b52716a031bab100182e7c1e7e492853697a59