[INFO] cloning repository https://github.com/sid0jack/thunder [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sid0jack/thunder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsid0jack%2Fthunder", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsid0jack%2Fthunder'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] eead005aae4568184c9c2688925f84bd3422a7a1 [INFO] checking sid0jack/thunder against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsid0jack%2Fthunder" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sid0jack/thunder on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sid0jack/thunder [INFO] finished tweaking git repo https://github.com/sid0jack/thunder [INFO] tweaked toml for git repo https://github.com/sid0jack/thunder written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sid0jack/thunder 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tun-tap v0.1.4 [INFO] [stderr] Downloaded etherparse v0.14.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dcd1eb8b1d18665f4a0689c7bc38871c097cf26cd1a4daaebcc5dce4f8d9c9b8 [INFO] running `Command { std: "docker" "start" "-a" "dcd1eb8b1d18665f4a0689c7bc38871c097cf26cd1a4daaebcc5dce4f8d9c9b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dcd1eb8b1d18665f4a0689c7bc38871c097cf26cd1a4daaebcc5dce4f8d9c9b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcd1eb8b1d18665f4a0689c7bc38871c097cf26cd1a4daaebcc5dce4f8d9c9b8", kill_on_drop: false }` [INFO] [stdout] dcd1eb8b1d18665f4a0689c7bc38871c097cf26cd1a4daaebcc5dce4f8d9c9b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cfbbd54a84ba6c65ac7669d065a65e69876ed3449ac6a81a9fdca4242788811c [INFO] running `Command { std: "docker" "start" "-a" "cfbbd54a84ba6c65ac7669d065a65e69876ed3449ac6a81a9fdca4242788811c", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Checking etherparse v0.14.2 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling tun-tap v0.1.4 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking thunder v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 5 | / loop { [INFO] [stdout] 6 | | let nbytes = nic.recv(&mut buf).expect("Failed to read from TUN device"); [INFO] [stdout] 7 | | let flags = u16::from_be_bytes([buf[0], buf[1]]); [INFO] [stdout] 8 | | let proto = u16::from_be_bytes([buf[2], buf[3]]); [INFO] [stdout] ... | [INFO] [stdout] 21 | | } [INFO] [stdout] 22 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 23 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 5 | / loop { [INFO] [stdout] 6 | | let nbytes = nic.recv(&mut buf).expect("Failed to read from TUN device"); [INFO] [stdout] 7 | | let flags = u16::from_be_bytes([buf[0], buf[1]]); [INFO] [stdout] 8 | | let proto = u16::from_be_bytes([buf[2], buf[3]]); [INFO] [stdout] ... | [INFO] [stdout] 21 | | } [INFO] [stdout] 22 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 23 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.86s [INFO] running `Command { std: "docker" "inspect" "cfbbd54a84ba6c65ac7669d065a65e69876ed3449ac6a81a9fdca4242788811c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfbbd54a84ba6c65ac7669d065a65e69876ed3449ac6a81a9fdca4242788811c", kill_on_drop: false }` [INFO] [stdout] cfbbd54a84ba6c65ac7669d065a65e69876ed3449ac6a81a9fdca4242788811c [INFO] checking sid0jack/thunder against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsid0jack%2Fthunder" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sid0jack/thunder on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sid0jack/thunder [INFO] finished tweaking git repo https://github.com/sid0jack/thunder [INFO] tweaked toml for git repo https://github.com/sid0jack/thunder written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sid0jack/thunder 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 46f30083ebaf2d5aa6197b420eb87ae4f05f1c120d174f64a98e552c79639b17 [INFO] running `Command { std: "docker" "start" "-a" "46f30083ebaf2d5aa6197b420eb87ae4f05f1c120d174f64a98e552c79639b17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "46f30083ebaf2d5aa6197b420eb87ae4f05f1c120d174f64a98e552c79639b17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46f30083ebaf2d5aa6197b420eb87ae4f05f1c120d174f64a98e552c79639b17", kill_on_drop: false }` [INFO] [stdout] 46f30083ebaf2d5aa6197b420eb87ae4f05f1c120d174f64a98e552c79639b17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7fa887dd5a414f367e4fdb7fea2bf3f474c4871707fcabdf31efa2ac16eb2cd [INFO] running `Command { std: "docker" "start" "-a" "e7fa887dd5a414f367e4fdb7fea2bf3f474c4871707fcabdf31efa2ac16eb2cd", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Checking etherparse v0.14.2 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling tun-tap v0.1.4 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking thunder v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 5 | / loop { [INFO] [stdout] 6 | | let nbytes = nic.recv(&mut buf).expect("Failed to read from TUN device"); [INFO] [stdout] 7 | | let flags = u16::from_be_bytes([buf[0], buf[1]]); [INFO] [stdout] 8 | | let proto = u16::from_be_bytes([buf[2], buf[3]]); [INFO] [stdout] ... | [INFO] [stdout] 21 | | } [INFO] [stdout] 22 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 23 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 5 | / loop { [INFO] [stdout] 6 | | let nbytes = nic.recv(&mut buf).expect("Failed to read from TUN device"); [INFO] [stdout] 7 | | let flags = u16::from_be_bytes([buf[0], buf[1]]); [INFO] [stdout] 8 | | let proto = u16::from_be_bytes([buf[2], buf[3]]); [INFO] [stdout] ... | [INFO] [stdout] 21 | | } [INFO] [stdout] 22 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 23 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.02s [INFO] running `Command { std: "docker" "inspect" "e7fa887dd5a414f367e4fdb7fea2bf3f474c4871707fcabdf31efa2ac16eb2cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7fa887dd5a414f367e4fdb7fea2bf3f474c4871707fcabdf31efa2ac16eb2cd", kill_on_drop: false }` [INFO] [stdout] e7fa887dd5a414f367e4fdb7fea2bf3f474c4871707fcabdf31efa2ac16eb2cd