[INFO] fetching crate hello-rs 0.1.0...
[INFO] checking hello-rs-0.1.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate hello-rs 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate hello-rs 0.1.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hello-rs 0.1.0
[INFO] finished tweaking crates.io crate hello-rs 0.1.0
[INFO] tweaked toml for crates.io crate hello-rs 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.3
[INFO] [stderr]   Downloaded hmac v0.4.2
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.3
[INFO] [stderr]   Downloaded sha-1 v0.4.1
[INFO] [stderr]   Downloaded cookie v0.10.1
[INFO] [stderr]   Downloaded generic-array v0.8.4
[INFO] [stderr]   Downloaded dotenv_codegen_impl v0.1.0
[INFO] [stderr]   Downloaded dotenv_codegen v0.11.0
[INFO] [stderr]   Downloaded fantoccini v0.10.0
[INFO] [stderr]   Downloaded webdriver v0.34.0
[INFO] [stderr]   Downloaded rawr v0.1.1
[INFO] [stderr]   Downloaded dotenv v0.8.0
[INFO] [stderr]   Downloaded egg-mode v0.12.0
[INFO] [stderr]   Downloaded slack_api v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] 5d18dee68c569851cb3918194e59b82dae9974c9b370ef8c924858f1785ec7f0
[INFO] running `Command { std: "docker" "start" "-a" "5d18dee68c569851cb3918194e59b82dae9974c9b370ef8c924858f1785ec7f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d18dee68c569851cb3918194e59b82dae9974c9b370ef8c924858f1785ec7f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d18dee68c569851cb3918194e59b82dae9974c9b370ef8c924858f1785ec7f0", kill_on_drop: false }`
[INFO] [stdout] 5d18dee68c569851cb3918194e59b82dae9974c9b370ef8c924858f1785ec7f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98b216e7f65db12699f43633d4a2a424b234388585addfb98ac286062707a7eb
[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" "98b216e7f65db12699f43633d4a2a424b234388585addfb98ac286062707a7eb", kill_on_drop: false }`
[INFO] [stderr] error: multiple packages link to native library `openssl`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys v0.7.17`
[INFO] [stderr]     ... which is depended on by `openssl v0.7.14`
[INFO] [stderr]     ... which is depended on by `cookie v0.2.5`
[INFO] [stderr]     ... which is depended on by `hyper v0.9.18`
[INFO] [stderr]     ... which is depended on by `rawr v0.1.1`
[INFO] [stderr]     ... which is depended on by `hello-rs v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `openssl`
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys v0.9.61`
[INFO] [stderr]     ... which is depended on by `openssl v0.9.24`
[INFO] [stderr]     ... which is depended on by `native-tls v0.1.5`
[INFO] [stderr]     ... which is depended on by `egg-mode v0.12.0`
[INFO] [stderr]     ... which is depended on by `hello-rs v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `openssl`
[INFO] running `Command { std: "docker" "inspect" "98b216e7f65db12699f43633d4a2a424b234388585addfb98ac286062707a7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b216e7f65db12699f43633d4a2a424b234388585addfb98ac286062707a7eb", kill_on_drop: false }`
[INFO] [stdout] 98b216e7f65db12699f43633d4a2a424b234388585addfb98ac286062707a7eb