[INFO] cloning repository https://github.com/dustlang/mailgun-mailmap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dustlang/mailgun-mailmap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fmailgun-mailmap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fmailgun-mailmap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13fdc195fd41b584337e43310bc6a5a5917c4bc1
[INFO] checking dustlang/mailgun-mailmap against master#d255c6a57c393db6221b1ff700daea478436f1cd for pr-122317
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fmailgun-mailmap" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dustlang/mailgun-mailmap on toolchain d255c6a57c393db6221b1ff700daea478436f1cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d255c6a57c393db6221b1ff700daea478436f1cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dustlang/mailgun-mailmap
[INFO] finished tweaking git repo https://github.com/dustlang/mailgun-mailmap
[INFO] tweaked toml for git repo https://github.com/dustlang/mailgun-mailmap written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dustlang/mailgun-mailmap already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d255c6a57c393db6221b1ff700daea478436f1cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking dustlang/mailgun-mailmap against try#1f7553361c08f8eafdc645e09215667278ab86f4 for pr-122317
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fmailgun-mailmap" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dustlang/mailgun-mailmap on toolchain 1f7553361c08f8eafdc645e09215667278ab86f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7553361c08f8eafdc645e09215667278ab86f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dustlang/mailgun-mailmap
[INFO] finished tweaking git repo https://github.com/dustlang/mailgun-mailmap
[INFO] tweaked toml for git repo https://github.com/dustlang/mailgun-mailmap written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dustlang/mailgun-mailmap already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7553361c08f8eafdc645e09215667278ab86f4" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking dustlang/mailgun-mailmap against try#1f7553361c08f8eafdc645e09215667278ab86f4 for pr-122317
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fmailgun-mailmap" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dustlang/mailgun-mailmap on toolchain 1f7553361c08f8eafdc645e09215667278ab86f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7553361c08f8eafdc645e09215667278ab86f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dustlang/mailgun-mailmap
[INFO] finished tweaking git repo https://github.com/dustlang/mailgun-mailmap
[INFO] tweaked toml for git repo https://github.com/dustlang/mailgun-mailmap written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dustlang/mailgun-mailmap already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7553361c08f8eafdc645e09215667278ab86f4" "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 curl v0.4.18
[INFO] [stderr]   Downloaded syn v0.15.17
[INFO] [stderr]   Downloaded curl-sys v0.4.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1f7553361c08f8eafdc645e09215667278ab86f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1448a0f1c4342ed7905aef75111438bc1227ddb738c23ff0b0cc9dcdba3e50a8
[INFO] running `Command { std: "docker" "start" "-a" "1448a0f1c4342ed7905aef75111438bc1227ddb738c23ff0b0cc9dcdba3e50a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1448a0f1c4342ed7905aef75111438bc1227ddb738c23ff0b0cc9dcdba3e50a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1448a0f1c4342ed7905aef75111438bc1227ddb738c23ff0b0cc9dcdba3e50a8", kill_on_drop: false }`
[INFO] [stdout] 1448a0f1c4342ed7905aef75111438bc1227ddb738c23ff0b0cc9dcdba3e50a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1f7553361c08f8eafdc645e09215667278ab86f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a63e966340a0f90f640d215778bf55c1d810a31be7f08f63b0a419121ccb19f
[INFO] running `Command { std: "docker" "start" "-a" "9a63e966340a0f90f640d215778bf55c1d810a31be7f08f63b0a419121ccb19f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/socket2-0.3.8/src/sockaddr.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |         mem::transmute::<SocketAddrV4, sockaddr_in>(v4);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: `SocketAddrV4` (48 bits)
[INFO] [stdout]     = note: target type: `sockaddr_in` (128 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling curl-sys v0.4.13
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `socket2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9a63e966340a0f90f640d215778bf55c1d810a31be7f08f63b0a419121ccb19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a63e966340a0f90f640d215778bf55c1d810a31be7f08f63b0a419121ccb19f", kill_on_drop: false }`
[INFO] [stdout] 9a63e966340a0f90f640d215778bf55c1d810a31be7f08f63b0a419121ccb19f