[INFO] cloning repository https://github.com/BSpaceinc/tokio-2568 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BSpaceinc/tokio-2568" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBSpaceinc%2Ftokio-2568", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBSpaceinc%2Ftokio-2568'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5713826daaa3ee05feb2c361056695863adf0915 [INFO] checking BSpaceinc/tokio-2568 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBSpaceinc%2Ftokio-2568" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BSpaceinc/tokio-2568 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/BSpaceinc/tokio-2568 [INFO] finished tweaking git repo https://github.com/BSpaceinc/tokio-2568 [INFO] tweaked toml for git repo https://github.com/BSpaceinc/tokio-2568 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/BSpaceinc/tokio-2568 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 tokio-macros v0.3.1 [INFO] [stderr] Downloaded async-executor v1.4.0 [INFO] [stderr] Downloaded async-std v1.8.0 [INFO] [stderr] Downloaded async-global-executor v1.4.3 [INFO] [stderr] Downloaded nb-connect v1.0.2 [INFO] [stderr] Downloaded wepoll-sys v3.0.1 [INFO] [stderr] Downloaded polling v2.0.2 [INFO] [stderr] Downloaded vec-arena v1.0.0 [INFO] [stderr] Downloaded async-io v1.3.1 [INFO] [stderr] Downloaded cache-padded v1.1.1 [INFO] [stderr] Downloaded concurrent-queue v1.2.2 [INFO] [stderr] Downloaded event-listener v2.5.1 [INFO] [stderr] Downloaded async-channel v1.5.1 [INFO] [stderr] Downloaded async-task v4.0.3 [INFO] [stderr] Downloaded atomic-waker v1.0.0 [INFO] [stderr] Downloaded blocking v1.0.2 [INFO] [stderr] Downloaded fastrand v1.4.0 [INFO] [stderr] Downloaded futures-lite v1.11.2 [INFO] [stderr] Downloaded gloo-timers v0.2.1 [INFO] [stderr] Downloaded smallvec v1.5.1 [INFO] [stderr] Downloaded parking_lot_core v0.8.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ff6a40c1413831593777b910ca2e799b85107c97655407980e184b292efe31e4 [INFO] running `Command { std: "docker" "start" "-a" "ff6a40c1413831593777b910ca2e799b85107c97655407980e184b292efe31e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff6a40c1413831593777b910ca2e799b85107c97655407980e184b292efe31e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff6a40c1413831593777b910ca2e799b85107c97655407980e184b292efe31e4", kill_on_drop: false }` [INFO] [stdout] ff6a40c1413831593777b910ca2e799b85107c97655407980e184b292efe31e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 115f406d0e3e27411d651c879ec722af98529ac9ff3b330a2f7cc594cb93a0f7 [INFO] running `Command { std: "docker" "start" "-a" "115f406d0e3e27411d651c879ec722af98529ac9ff3b330a2f7cc594cb93a0f7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking smallvec v1.5.1 [INFO] [stderr] Compiling tokio v0.3.5 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking pin-project-lite v0.2.0 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking futures-lite v1.11.2 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking parking_lot_core v0.8.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking async-io v1.3.1 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking futures-intrusive v0.4.0 [INFO] [stderr] Checking async-global-executor v1.4.3 [INFO] [stderr] Checking async-std v1.8.0 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling tokio-macros v0.3.1 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking tokio-2568 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.16s [INFO] running `Command { std: "docker" "inspect" "115f406d0e3e27411d651c879ec722af98529ac9ff3b330a2f7cc594cb93a0f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "115f406d0e3e27411d651c879ec722af98529ac9ff3b330a2f7cc594cb93a0f7", kill_on_drop: false }` [INFO] [stdout] 115f406d0e3e27411d651c879ec722af98529ac9ff3b330a2f7cc594cb93a0f7 [INFO] checking BSpaceinc/tokio-2568 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBSpaceinc%2Ftokio-2568" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BSpaceinc/tokio-2568 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/BSpaceinc/tokio-2568 [INFO] finished tweaking git repo https://github.com/BSpaceinc/tokio-2568 [INFO] tweaked toml for git repo https://github.com/BSpaceinc/tokio-2568 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/BSpaceinc/tokio-2568 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5e729c40d4f2d7d4a2727fa7168ca47b9f938e48bf2583e2ee9b21acc4891225 [INFO] running `Command { std: "docker" "start" "-a" "5e729c40d4f2d7d4a2727fa7168ca47b9f938e48bf2583e2ee9b21acc4891225", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5e729c40d4f2d7d4a2727fa7168ca47b9f938e48bf2583e2ee9b21acc4891225", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e729c40d4f2d7d4a2727fa7168ca47b9f938e48bf2583e2ee9b21acc4891225", kill_on_drop: false }` [INFO] [stdout] 5e729c40d4f2d7d4a2727fa7168ca47b9f938e48bf2583e2ee9b21acc4891225 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a89fa6e1de35ec490eb42d88266a283f81a199740062f149cdbdfb39952096de [INFO] running `Command { std: "docker" "start" "-a" "a89fa6e1de35ec490eb42d88266a283f81a199740062f149cdbdfb39952096de", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Checking smallvec v1.5.1 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Compiling tokio v0.3.5 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking pin-project-lite v0.2.0 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking futures-lite v1.11.2 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking parking_lot_core v0.8.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking futures-intrusive v0.4.0 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking async-io v1.3.1 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking async-global-executor v1.4.3 [INFO] [stderr] Checking async-std v1.8.0 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling tokio-macros v0.3.1 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking tokio-2568 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.38s [INFO] running `Command { std: "docker" "inspect" "a89fa6e1de35ec490eb42d88266a283f81a199740062f149cdbdfb39952096de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a89fa6e1de35ec490eb42d88266a283f81a199740062f149cdbdfb39952096de", kill_on_drop: false }` [INFO] [stdout] a89fa6e1de35ec490eb42d88266a283f81a199740062f149cdbdfb39952096de