[INFO] fetching crate cttw 0.0.10...
[INFO] testing cttw-0.0.10 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cttw 0.0.10 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cttw 0.0.10 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 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-0/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] [stderr]     Blocking waiting for file lock on package cache
[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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23484329d7a72cf721ab81e0c6e635d4ee5598e48472eee0d856dec97f91a17c
[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" "23484329d7a72cf721ab81e0c6e635d4ee5598e48472eee0d856dec97f91a17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23484329d7a72cf721ab81e0c6e635d4ee5598e48472eee0d856dec97f91a17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23484329d7a72cf721ab81e0c6e635d4ee5598e48472eee0d856dec97f91a17c", kill_on_drop: false }`
[INFO] [stdout] 23484329d7a72cf721ab81e0c6e635d4ee5598e48472eee0d856dec97f91a17c
[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=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] a1bbbb27c8c494d836c87ec6d96d485584b2aa305b858f18290f99870289b0b1
[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" "a1bbbb27c8c494d836c87ec6d96d485584b2aa305b858f18290f99870289b0b1", 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 `curl v0.3.11`
[INFO] [stderr]     ... which is depended on by `oauth-client v0.1.4`
[INFO] [stderr]     ... which is depended on by `cttw v0.0.10 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `openssl`
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys v0.9.60`
[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 `hyper-native-tls v0.2.4`
[INFO] [stderr]     ... which is depended on by `reqwest v0.5.2`
[INFO] [stderr]     ... which is depended on by `oauth-client v0.2.0`
[INFO] [stderr]     ... which is depended on by `twitter-api v0.2.1`
[INFO] [stderr]     ... which is depended on by `cttw v0.0.10 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `openssl`
[INFO] running `Command { std: "docker" "inspect" "a1bbbb27c8c494d836c87ec6d96d485584b2aa305b858f18290f99870289b0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1bbbb27c8c494d836c87ec6d96d485584b2aa305b858f18290f99870289b0b1", kill_on_drop: false }`
[INFO] [stdout] a1bbbb27c8c494d836c87ec6d96d485584b2aa305b858f18290f99870289b0b1