[INFO] fetching crate ngydv 0.1.5...
[INFO] testing ngydv-0.1.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ngydv 0.1.5 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ngydv 0.1.5 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 ngydv 0.1.5
[INFO] finished tweaking crates.io crate ngydv 0.1.5
[INFO] tweaked toml for crates.io crate ngydv 0.1.5 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate ngydv 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 5df551aceebe1db205734707f6dba62ba963c819e63aff0416e7faf426bf86b1
[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" "5df551aceebe1db205734707f6dba62ba963c819e63aff0416e7faf426bf86b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5df551aceebe1db205734707f6dba62ba963c819e63aff0416e7faf426bf86b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df551aceebe1db205734707f6dba62ba963c819e63aff0416e7faf426bf86b1", kill_on_drop: false }`
[INFO] [stdout] 5df551aceebe1db205734707f6dba62ba963c819e63aff0416e7faf426bf86b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6fd7436bfa63ec38ba1eaa0f9306b1a9b8cdad1d7232dc75ada720fb86db9a6f
[INFO] running `Command { std: "docker" "start" "-a" "6fd7436bfa63ec38ba1eaa0f9306b1a9b8cdad1d7232dc75ada720fb86db9a6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.15
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling rusoto_core v0.45.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling dlv-list v0.2.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling ordered-multimap v0.2.4
[INFO] [stderr]    Compiling rust-ini v0.15.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.39
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling envy v0.4.1
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling rusoto_credential v0.45.0
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling rusoto_signature v0.45.0
[INFO] [stderr]    Compiling rusoto_ec2 v0.45.0
[INFO] [stderr]    Compiling rusoto_sts v0.45.0
[INFO] [stderr] error: could not compile `rusoto_ec2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rusoto_ec2 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusoto_ec2-0.45.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="native-tls"' -C metadata=8cf0f3fed25e57c7 -C extra-filename=-8cf0f3fed25e57c7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-f2b4acd010b10def.so --extern bytes=/opt/rustwide/target/debug/deps/libbytes-8f475ca97d0bfeee.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-c938f940960f0400.rmeta --extern rusoto_core=/opt/rustwide/target/debug/deps/librusoto_core-d27fec513129808f.rmeta --extern serde_urlencoded=/opt/rustwide/target/debug/deps/libserde_urlencoded-d6dec31beca863da.rmeta --extern xml=/opt/rustwide/target/debug/deps/libxml-ce7636c4719d8f84.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6fd7436bfa63ec38ba1eaa0f9306b1a9b8cdad1d7232dc75ada720fb86db9a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd7436bfa63ec38ba1eaa0f9306b1a9b8cdad1d7232dc75ada720fb86db9a6f", kill_on_drop: false }`
[INFO] [stdout] 6fd7436bfa63ec38ba1eaa0f9306b1a9b8cdad1d7232dc75ada720fb86db9a6f