[INFO] fetching crate dropbox-sdk 0.7.1...
[INFO] checking dropbox-sdk-0.7.1 against beta for pr-78714
[INFO] extracting crate dropbox-sdk 0.7.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dropbox-sdk 0.7.1 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 crates.io crate dropbox-sdk 0.7.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dropbox-sdk 0.7.1
[INFO] tweaked toml for crates.io crate dropbox-sdk 0.7.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate dropbox-sdk 0.7.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 49236e124f4c388188100866eaa22498e2c906c1b8ac528a6d68bb522280660e
[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" "49236e124f4c388188100866eaa22498e2c906c1b8ac528a6d68bb522280660e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49236e124f4c388188100866eaa22498e2c906c1b8ac528a6d68bb522280660e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49236e124f4c388188100866eaa22498e2c906c1b8ac528a6d68bb522280660e", kill_on_drop: false }`
[INFO] [stdout] 49236e124f4c388188100866eaa22498e2c906c1b8ac528a6d68bb522280660e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d9df236f45af0a974f73f2c7ce2732c6b94cecfe66c77090f94b74eb12926e5
[INFO] running `Command { std: "docker" "start" "-a" "0d9df236f45af0a974f73f2c7ce2732c6b94cecfe66c77090f94b74eb12926e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.55
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking chunked_transfer v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking ureq v1.4.1
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking dropbox-sdk v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `dropbox-sdk`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name dropbox_sdk --edition=2018 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="dbx_account"' --cfg 'feature="dbx_async"' --cfg 'feature="dbx_auth"' --cfg 'feature="dbx_check"' --cfg 'feature="dbx_common"' --cfg 'feature="dbx_contacts"' --cfg 'feature="dbx_file_properties"' --cfg 'feature="dbx_file_requests"' --cfg 'feature="dbx_files"' --cfg 'feature="dbx_paper"' --cfg 'feature="dbx_secondary_emails"' --cfg 'feature="dbx_seen_state"' --cfg 'feature="dbx_sharing"' --cfg 'feature="dbx_team"' --cfg 'feature="dbx_team_common"' --cfg 'feature="dbx_team_log"' --cfg 'feature="dbx_team_policies"' --cfg 'feature="dbx_users"' --cfg 'feature="dbx_users_common"' --cfg 'feature="default"' --cfg 'feature="default_client"' --cfg 'feature="ureq"' -C metadata=8840ff9d97ba04dd -C extra-filename=-8840ff9d97ba04dd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-69d9a7f018cb28c7.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-418bde408424abef.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a036839e3828b76a.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-5b95ad47d23f6196.rmeta --extern ureq=/opt/rustwide/target/debug/deps/libureq-a205cb657d74f340.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-ce802e45ec40a9b5.rmeta --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" "0d9df236f45af0a974f73f2c7ce2732c6b94cecfe66c77090f94b74eb12926e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9df236f45af0a974f73f2c7ce2732c6b94cecfe66c77090f94b74eb12926e5", kill_on_drop: false }`
[INFO] [stdout] 0d9df236f45af0a974f73f2c7ce2732c6b94cecfe66c77090f94b74eb12926e5