[INFO] fetching crate cttw 0.0.10...
[INFO] testing cttw-0.0.10 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cttw 0.0.10 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate cttw 0.0.10 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oauth-client v0.1.4
[INFO] [stderr]   Downloaded oauth-client v0.2.0
[INFO] [stderr]   Downloaded twitter-api v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1741dacdc758aadd2b1b9d010b7d715333e4f5f5433fc7fe0c3e98d7f526db6e
[INFO] running `Command { std: "docker" "start" "-a" "1741dacdc758aadd2b1b9d010b7d715333e4f5f5433fc7fe0c3e98d7f526db6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1741dacdc758aadd2b1b9d010b7d715333e4f5f5433fc7fe0c3e98d7f526db6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1741dacdc758aadd2b1b9d010b7d715333e4f5f5433fc7fe0c3e98d7f526db6e", kill_on_drop: false }`
[INFO] [stdout] 1741dacdc758aadd2b1b9d010b7d715333e4f5f5433fc7fe0c3e98d7f526db6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 665d540dbab07e4e8f20a83515aff0e3ffd4a53a2b73b5131e252bfa247bd89f
[INFO] running `Command { std: "docker" "start" "-a" "665d540dbab07e4e8f20a83515aff0e3ffd4a53a2b73b5131e252bfa247bd89f", 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 v0.9.66`
[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" "665d540dbab07e4e8f20a83515aff0e3ffd4a53a2b73b5131e252bfa247bd89f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665d540dbab07e4e8f20a83515aff0e3ffd4a53a2b73b5131e252bfa247bd89f", kill_on_drop: false }`
[INFO] [stdout] 665d540dbab07e4e8f20a83515aff0e3ffd4a53a2b73b5131e252bfa247bd89f