[INFO] cloning repository https://github.com/dethoter/tokio_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dethoter/tokio_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdethoter%2Ftokio_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdethoter%2Ftokio_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c0185eb40b9e5bc994cf3b2b4916c924de3affa0 [INFO] checking dethoter/tokio_test against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdethoter%2Ftokio_test" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dethoter/tokio_test on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dethoter/tokio_test [INFO] finished tweaking git repo https://github.com/dethoter/tokio_test [INFO] tweaked toml for git repo https://github.com/dethoter/tokio_test written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/dethoter/tokio_test already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded clippy_lints v0.0.169 [INFO] [stderr] Downloaded itertools v0.6.5 [INFO] [stderr] Downloaded pulldown-cmark v0.0.15 [INFO] [stderr] Downloaded clippy v0.0.169 [INFO] [stderr] Downloaded structopt v0.1.3 [INFO] [stderr] Downloaded structopt-derive v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 303a19ca0a99d0eff9b6c1ff99adf3d4d63321ccb031fd57920f7fcb6af72941 [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" "303a19ca0a99d0eff9b6c1ff99adf3d4d63321ccb031fd57920f7fcb6af72941", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "303a19ca0a99d0eff9b6c1ff99adf3d4d63321ccb031fd57920f7fcb6af72941", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "303a19ca0a99d0eff9b6c1ff99adf3d4d63321ccb031fd57920f7fcb6af72941", kill_on_drop: false }` [INFO] [stdout] 303a19ca0a99d0eff9b6c1ff99adf3d4d63321ccb031fd57920f7fcb6af72941 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f674baa8bcc48f465f85cfbf1153c3663e097a771426df09eb525c3c022080bd [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" "f674baa8bcc48f465f85cfbf1153c3663e097a771426df09eb525c3c022080bd", kill_on_drop: false }` [INFO] [stderr] Checking futures v0.1.17 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking serde v1.0.19 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking atty v0.2.3 [INFO] [stderr] Checking num_cpus v1.7.0 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Compiling structopt-derive v0.1.3 [INFO] [stderr] Compiling serde_derive v1.0.19 [INFO] [stderr] Checking clap v2.27.1 [INFO] [stderr] Checking mio v0.6.11 [INFO] [stderr] Checking tokio-io v0.1.3 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking tokio-timer v0.1.2 [INFO] [stderr] Checking futures-cpupool v0.1.7 [INFO] [stderr] Checking tokio-core v0.1.10 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking bincode v0.9.2 [INFO] [stderr] Checking structopt v0.1.3 [INFO] [stderr] Checking tokio_test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server.rs:102:23 [INFO] [stdout] | [INFO] [stdout] 102 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server.rs:102:23 [INFO] [stdout] | [INFO] [stdout] 102 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable call [INFO] [stdout] --> src/client.rs:38:10 [INFO] [stdout] | [INFO] [stdout] 38 | #[derive(StructOpt, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | unreachable call [INFO] [stdout] | any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable call [INFO] [stdout] --> src/client.rs:38:10 [INFO] [stdout] | [INFO] [stdout] 38 | #[derive(StructOpt, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | unreachable call [INFO] [stdout] | any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.16s [INFO] running `Command { std: "docker" "inspect" "f674baa8bcc48f465f85cfbf1153c3663e097a771426df09eb525c3c022080bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f674baa8bcc48f465f85cfbf1153c3663e097a771426df09eb525c3c022080bd", kill_on_drop: false }` [INFO] [stdout] f674baa8bcc48f465f85cfbf1153c3663e097a771426df09eb525c3c022080bd