[INFO] cloning repository https://github.com/phreaknik/echo-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phreaknik/echo-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fecho-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fecho-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b8269fd3057f23be10ccecc83ab4cad872018b62 [INFO] checking phreaknik/echo-server against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fecho-server" "/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/phreaknik/echo-server 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/phreaknik/echo-server [INFO] finished tweaking git repo https://github.com/phreaknik/echo-server [INFO] tweaked toml for git repo https://github.com/phreaknik/echo-server written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/phreaknik/echo-server 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] Blocking waiting for file lock on package cache [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 bytes v0.4.5 [INFO] [stderr] Downloaded log v0.4.0 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.2.0 [INFO] [stderr] Downloaded net2 v0.2.31 [INFO] [stderr] Downloaded fuchsia-zircon v0.2.1 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.2 [INFO] [stderr] Downloaded fuchsia-zircon v0.3.2 [INFO] [stderr] Downloaded tokio-core v0.1.11 [INFO] [stderr] Downloaded mio v0.6.11 [INFO] [stderr] Downloaded futures v0.1.17 [INFO] [stderr] Downloaded iovec v0.1.1 [INFO] [stderr] Downloaded rand v0.3.19 [INFO] [stderr] Downloaded tokio-io v0.1.4 [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] 3dcd23efd959aca530fef8e68a55792b31afc532785ebf701c2a7e94fce355cc [INFO] running `Command { std: "docker" "start" "-a" "3dcd23efd959aca530fef8e68a55792b31afc532785ebf701c2a7e94fce355cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3dcd23efd959aca530fef8e68a55792b31afc532785ebf701c2a7e94fce355cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dcd23efd959aca530fef8e68a55792b31afc532785ebf701c2a7e94fce355cc", kill_on_drop: false }` [INFO] [stdout] 3dcd23efd959aca530fef8e68a55792b31afc532785ebf701c2a7e94fce355cc [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] 727e27e8385939570035cd830ee7c6435472b68a4aa5761521da68635d8eb43c [INFO] running `Command { std: "docker" "start" "-a" "727e27e8385939570035cd830ee7c6435472b68a4aa5761521da68635d8eb43c", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking futures v0.1.17 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking log v0.4.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking rand v0.3.19 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Checking mio v0.6.11 [INFO] [stderr] Checking tokio-io v0.1.4 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking tokio-core v0.1.11 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking echo-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:81:23 [INFO] [stdout] | [INFO] [stdout] 81 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 81 | type Future = Box>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:81:23 [INFO] [stdout] | [INFO] [stdout] 81 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 81 | type Future = Box>; [INFO] [stdout] | +++ [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 3.76s [INFO] running `Command { std: "docker" "inspect" "727e27e8385939570035cd830ee7c6435472b68a4aa5761521da68635d8eb43c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "727e27e8385939570035cd830ee7c6435472b68a4aa5761521da68635d8eb43c", kill_on_drop: false }` [INFO] [stdout] 727e27e8385939570035cd830ee7c6435472b68a4aa5761521da68635d8eb43c [INFO] checking phreaknik/echo-server against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fecho-server" "/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/phreaknik/echo-server on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/phreaknik/echo-server [INFO] finished tweaking git repo https://github.com/phreaknik/echo-server [INFO] tweaked toml for git repo https://github.com/phreaknik/echo-server written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/phreaknik/echo-server 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 27269f5276935a29ab0963ab59ca2676ad4d22b2b973dd2a1bb73266f47362a6 [INFO] running `Command { std: "docker" "start" "-a" "27269f5276935a29ab0963ab59ca2676ad4d22b2b973dd2a1bb73266f47362a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27269f5276935a29ab0963ab59ca2676ad4d22b2b973dd2a1bb73266f47362a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27269f5276935a29ab0963ab59ca2676ad4d22b2b973dd2a1bb73266f47362a6", kill_on_drop: false }` [INFO] [stdout] 27269f5276935a29ab0963ab59ca2676ad4d22b2b973dd2a1bb73266f47362a6 [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0853dd4c28d930b746d7a0349a9a090b3542a29cd132ec72b79205c3f998689a [INFO] running `Command { std: "docker" "start" "-a" "0853dd4c28d930b746d7a0349a9a090b3542a29cd132ec72b79205c3f998689a", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking futures v0.1.17 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking log v0.4.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking rand v0.3.19 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Checking mio v0.6.11 [INFO] [stderr] Checking tokio-io v0.1.4 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking tokio-core v0.1.11 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking echo-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:81:23 [INFO] [stdout] | [INFO] [stdout] 81 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 81 | type Future = Box>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:81:23 [INFO] [stdout] | [INFO] [stdout] 81 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 81 | type Future = Box>; [INFO] [stdout] | +++ [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 3.91s [INFO] running `Command { std: "docker" "inspect" "0853dd4c28d930b746d7a0349a9a090b3542a29cd132ec72b79205c3f998689a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0853dd4c28d930b746d7a0349a9a090b3542a29cd132ec72b79205c3f998689a", kill_on_drop: false }` [INFO] [stdout] 0853dd4c28d930b746d7a0349a9a090b3542a29cd132ec72b79205c3f998689a