[INFO] cloning repository https://github.com/el-komandante/mailgun-server-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/el-komandante/mailgun-server-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fel-komandante%2Fmailgun-server-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fel-komandante%2Fmailgun-server-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 085fbd56d7a1f0f5c114703fb5ffae7e17c3a2b0
[INFO] checking el-komandante/mailgun-server-rust against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fel-komandante%2Fmailgun-server-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/el-komandante/mailgun-server-rust on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/el-komandante/mailgun-server-rust
[INFO] finished tweaking git repo https://github.com/el-komandante/mailgun-server-rust
[INFO] tweaked toml for git repo https://github.com/el-komandante/mailgun-server-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/el-komandante/mailgun-server-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded native-tls v0.1.1
[INFO] [stderr]   Downloaded unicode-bidi v0.2.4
[INFO] [stderr]   Downloaded openssl-sys v0.7.17
[INFO] [stderr]   Downloaded idna v0.1.0
[INFO] [stderr]   Downloaded traitobject v0.0.1
[INFO] [stderr]   Downloaded traitobject v0.0.3
[INFO] [stderr]   Downloaded httparse v1.2.1
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded user32-sys v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.19
[INFO] [stderr]   Downloaded gdi32-sys v0.2.0
[INFO] [stderr]   Downloaded groupable v0.2.0
[INFO] [stderr]   Downloaded serde v0.6.15
[INFO] [stderr]   Downloaded mime v0.1.3
[INFO] [stderr]   Downloaded hyper v0.7.2
[INFO] [stderr]   Downloaded schannel v0.1.2
[INFO] [stderr]   Downloaded solicit v0.4.4
[INFO] [stderr]   Downloaded unsafe-any v0.4.1
[INFO] [stderr]   Downloaded security-framework v0.1.10
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] [stderr]   Downloaded error-chain v0.7.2
[INFO] [stderr]   Downloaded tempdir v0.3.5
[INFO] [stderr]   Downloaded serde_urlencoded v0.3.0
[INFO] [stderr]   Downloaded security-framework-sys v0.1.10
[INFO] [stderr]   Downloaded unicase v1.4.0
[INFO] [stderr]   Downloaded uuid v0.2.3
[INFO] [stderr]   Downloaded hyper v0.10.0
[INFO] [stderr]   Downloaded mustache v0.6.3
[INFO] [stderr]   Downloaded url v0.5.10
[INFO] [stderr]   Downloaded gcc v0.3.41
[INFO] [stderr]   Downloaded num_cpus v0.2.13
[INFO] [stderr]   Downloaded openssl-sys-extras v0.7.14
[INFO] [stderr]   Downloaded mime v0.2.2
[INFO] [stderr]   Downloaded matches v0.1.4
[INFO] [stderr]   Downloaded secur32-sys v0.2.0
[INFO] [stderr]   Downloaded openssl v0.7.14
[INFO] [stderr]   Downloaded pnacl-build-helper v1.4.10
[INFO] [stderr]   Downloaded hpack v0.2.0
[INFO] [stderr]   Downloaded url v1.2.4
[INFO] [stderr]   Downloaded cookie v0.2.5
[INFO] [stderr]   Downloaded hyper v0.9.14
[INFO] [stderr]   Downloaded crypt32-sys v0.2.0
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded metadeps v1.1.1
[INFO] [stderr]   Downloaded serde v0.8.22
[INFO] [stderr]   Downloaded libressl-pnacl-sys v2.1.6
[INFO] [stderr]   Downloaded nickel v0.9.0
[INFO] [stderr]   Downloaded reqwest v0.3.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.6
[INFO] [stderr]   Downloaded openssl v0.9.6
[INFO] [stderr]   Downloaded unicode-normalization v0.1.3
[INFO] [stderr]   Downloaded serde_json v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bdce8b455816b6b3734bacd0534827fb3d4fce2ccc67cda1b137ae1bdff205b
[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" "3bdce8b455816b6b3734bacd0534827fb3d4fce2ccc67cda1b137ae1bdff205b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bdce8b455816b6b3734bacd0534827fb3d4fce2ccc67cda1b137ae1bdff205b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bdce8b455816b6b3734bacd0534827fb3d4fce2ccc67cda1b137ae1bdff205b", kill_on_drop: false }`
[INFO] [stdout] 3bdce8b455816b6b3734bacd0534827fb3d4fce2ccc67cda1b137ae1bdff205b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fe8c00b20e39a2d0bcdbc524af5122169974b7aeb7af67569c962d32741593e
[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" "0fe8c00b20e39a2d0bcdbc524af5122169974b7aeb7af67569c962d32741593e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 v0.7.2`
[INFO] [stderr]     ... which is depended on by `mailgun-server v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `openssl`
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys v0.9.6`
[INFO] [stderr]     ... which is depended on by `openssl v0.9.6`
[INFO] [stderr]     ... which is depended on by `native-tls v0.1.1`
[INFO] [stderr]     ... which is depended on by `reqwest v0.3.0`
[INFO] [stderr]     ... which is depended on by `mailgun-server v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `openssl`
[INFO] running `Command { std: "docker" "inspect" "0fe8c00b20e39a2d0bcdbc524af5122169974b7aeb7af67569c962d32741593e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe8c00b20e39a2d0bcdbc524af5122169974b7aeb7af67569c962d32741593e", kill_on_drop: false }`
[INFO] [stdout] 0fe8c00b20e39a2d0bcdbc524af5122169974b7aeb7af67569c962d32741593e