[INFO] cloning repository https://github.com/tynr426/future_pro [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tynr426/future_pro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftynr426%2Ffuture_pro", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftynr426%2Ffuture_pro'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a60f107071499d786781396011a0e3ff5f51f65b [INFO] checking tynr426/future_pro against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftynr426%2Ffuture_pro" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tynr426/future_pro on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tynr426/future_pro [INFO] finished tweaking git repo https://github.com/tynr426/future_pro [INFO] tweaked toml for git repo https://github.com/tynr426/future_pro written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/tynr426/future_pro already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memoffset v0.5.1 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fec34845e0d50292f981e4a3784dfd623dd5f2eee9c4aa54c41ad53cce76b777 [INFO] running `Command { std: "docker" "start" "-a" "fec34845e0d50292f981e4a3784dfd623dd5f2eee9c4aa54c41ad53cce76b777", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fec34845e0d50292f981e4a3784dfd623dd5f2eee9c4aa54c41ad53cce76b777", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fec34845e0d50292f981e4a3784dfd623dd5f2eee9c4aa54c41ad53cce76b777", kill_on_drop: false }` [INFO] [stdout] fec34845e0d50292f981e4a3784dfd623dd5f2eee9c4aa54c41ad53cce76b777 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07ead8a21e71c24d07167f1e4197a5439367e82983cb1d592c93540920447fd3 [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" "07ead8a21e71c24d07167f1e4197a5439367e82983cb1d592c93540920447fd3", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-sync v0.1.7 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking future_pro v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error_defined.rs:14:32 [INFO] [stdout] | [INFO] [stdout] 14 | fn cause(&self) -> Option<&error::Error>{ [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [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/error_defined.rs:29:30 [INFO] [stdout] | [INFO] [stdout] 29 | fn cause(&self)->Option<&error::Error>{ [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:36:49 [INFO] [stdout] | [INFO] [stdout] 36 | fn my_fut()->impl Future> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Error+'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:39:62 [INFO] [stdout] | [INFO] [stdout] 39 | fn my_fut_squared(i:u32)->impl Future> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Error+'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:42:43 [INFO] [stdout] | [INFO] [stdout] 42 | fn my_fut_squared2(i:u32)->Result> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Error+'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:45:75 [INFO] [stdout] | [INFO] [stdout] 45 | fn fut_generic_own (a1: A, a2: A) -> impl Future> [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Error+'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error_defined.rs:14:32 [INFO] [stdout] | [INFO] [stdout] 14 | fn cause(&self) -> Option<&error::Error>{ [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [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/error_defined.rs:29:30 [INFO] [stdout] | [INFO] [stdout] 29 | fn cause(&self)->Option<&error::Error>{ [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:36:49 [INFO] [stdout] | [INFO] [stdout] 36 | fn my_fut()->impl Future> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Error+'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:39:62 [INFO] [stdout] | [INFO] [stdout] 39 | fn my_fut_squared(i:u32)->impl Future> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Error+'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:42:43 [INFO] [stdout] | [INFO] [stdout] 42 | fn my_fut_squared2(i:u32)->Result> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Error+'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:45:75 [INFO] [stdout] | [INFO] [stdout] 45 | fn fut_generic_own (a1: A, a2: A) -> impl Future> [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Error+'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:30:41 [INFO] [stdout] | [INFO] [stdout] 30 | let future2= fut_error_a().map_err(|e|{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:30:41 [INFO] [stdout] | [INFO] [stdout] 30 | let future2= fut_error_a().map_err(|e|{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.92s [INFO] running `Command { std: "docker" "inspect" "07ead8a21e71c24d07167f1e4197a5439367e82983cb1d592c93540920447fd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07ead8a21e71c24d07167f1e4197a5439367e82983cb1d592c93540920447fd3", kill_on_drop: false }` [INFO] [stdout] 07ead8a21e71c24d07167f1e4197a5439367e82983cb1d592c93540920447fd3