[INFO] fetching crate cttw 0.0.10...
[INFO] testing cttw-0.0.10 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cttw 0.0.10 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cttw 0.0.10 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cttw 0.0.10
[INFO] finished tweaking crates.io crate cttw 0.0.10
[INFO] tweaked toml for crates.io crate cttw 0.0.10 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51a14370d88b18a764ba1304a430e17b4913a8884d06edc9ee8be3896a8ace02
[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" "51a14370d88b18a764ba1304a430e17b4913a8884d06edc9ee8be3896a8ace02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51a14370d88b18a764ba1304a430e17b4913a8884d06edc9ee8be3896a8ace02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a14370d88b18a764ba1304a430e17b4913a8884d06edc9ee8be3896a8ace02", kill_on_drop: false }`
[INFO] [stdout] 51a14370d88b18a764ba1304a430e17b4913a8884d06edc9ee8be3896a8ace02
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] e886cc562e8e2bf0e9ffc03d34c0ea92a1b1542029fce1141ed9009216ad3da1
[INFO] running `Command { std: "docker" "start" "-a" "e886cc562e8e2bf0e9ffc03d34c0ea92a1b1542029fce1141ed9009216ad3da1", 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 satisfies dependency `openssl-sys = "^0.7.0"` (locked to 0.7.17) of package `curl v0.3.11`
[INFO] [stderr]     ... which satisfies dependency `curl = "^0.3.1"` (locked to 0.3.11) of package `oauth-client v0.1.4`
[INFO] [stderr]     ... which satisfies dependency `oauth-client = "^0.1"` (locked to 0.1.4) of package `cttw v0.0.10 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `openssl`
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys v0.9.71`
[INFO] [stderr]     ... which satisfies dependency `openssl-sys = "^0.9.23"` (locked to 0.9.71) of package `openssl v0.9.24`
[INFO] [stderr]     ... which satisfies dependency `openssl = "^0.9.23"` (locked to 0.9.24) of package `native-tls v0.1.5`
[INFO] [stderr]     ... which satisfies dependency `native-tls = "^0.1.2"` (locked to 0.1.5) of package `hyper-native-tls v0.2.4`
[INFO] [stderr]     ... which satisfies dependency `hyper-native-tls = "^0.2"` (locked to 0.2.4) of package `reqwest v0.5.2`
[INFO] [stderr]     ... which satisfies dependency `reqwest = "^0.5"` (locked to 0.5.2) of package `oauth-client v0.2.0`
[INFO] [stderr]     ... which satisfies dependency `oauth-client = "^0.2"` (locked to 0.2.0) of package `twitter-api v0.2.1`
[INFO] [stderr]     ... which satisfies dependency `twitter-api = "^0.2"` (locked to 0.2.1) of package `cttw v0.0.10 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `openssl`
[INFO] running `Command { std: "docker" "inspect" "e886cc562e8e2bf0e9ffc03d34c0ea92a1b1542029fce1141ed9009216ad3da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e886cc562e8e2bf0e9ffc03d34c0ea92a1b1542029fce1141ed9009216ad3da1", kill_on_drop: false }`
[INFO] [stdout] e886cc562e8e2bf0e9ffc03d34c0ea92a1b1542029fce1141ed9009216ad3da1