[INFO] cloning repository https://github.com/qnighy/async-stdio-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qnighy/async-stdio-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Fasync-stdio-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Fasync-stdio-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5f5c56f63fcf77ee4aa88aecd1bd752522bfa014 [INFO] checking qnighy/async-stdio-test against master#cccf075eba88363269e8589ebb8d40874cc542d8 for pr-142681 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Fasync-stdio-test" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/qnighy/async-stdio-test [INFO] finished tweaking git repo https://github.com/qnighy/async-stdio-test [INFO] tweaked toml for git repo https://github.com/qnighy/async-stdio-test written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/qnighy/async-stdio-test on toolchain cccf075eba88363269e8589ebb8d40874cc542d8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/qnighy/async-stdio-test 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" "+cccf075eba88363269e8589ebb8d40874cc542d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-file-unix v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dcaa1c382730cad02f5a66b357594d3ae005b4384a34541d2128dce46270f21e [INFO] running `Command { std: "docker" "start" "-a" "dcaa1c382730cad02f5a66b357594d3ae005b4384a34541d2128dce46270f21e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dcaa1c382730cad02f5a66b357594d3ae005b4384a34541d2128dce46270f21e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcaa1c382730cad02f5a66b357594d3ae005b4384a34541d2128dce46270f21e", kill_on_drop: false }` [INFO] [stdout] dcaa1c382730cad02f5a66b357594d3ae005b4384a34541d2128dce46270f21e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13014d302f95ed56dbcfcc13fcc41c11f9f40df9281e1b8c145ddb1caa40127d [INFO] running `Command { std: "docker" "start" "-a" "13014d302f95ed56dbcfcc13fcc41c11f9f40df9281e1b8c145ddb1caa40127d", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking futures v0.1.21 [INFO] [stderr] Checking byteorder v1.2.2 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking crossbeam-epoch v0.4.1 [INFO] [stderr] Checking crossbeam-deque v0.3.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Checking tokio-executor v0.1.2 [INFO] [stderr] Checking tokio-io v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.1 [INFO] [stderr] Checking tokio-threadpool v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.1 [INFO] [stderr] Checking tokio-udp v0.1.0 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio-file-unix v0.5.0 [INFO] [stderr] Checking tokio v0.1.5 [INFO] [stderr] Checking async-stdio-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | fn main2() -> Box + Send> { [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 a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 16 | fn main2() -> Box + Send> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | fn main2() -> Box + Send> { [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 a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 16 | fn main2() -> Box + Send> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.54s [INFO] running `Command { std: "docker" "inspect" "13014d302f95ed56dbcfcc13fcc41c11f9f40df9281e1b8c145ddb1caa40127d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13014d302f95ed56dbcfcc13fcc41c11f9f40df9281e1b8c145ddb1caa40127d", kill_on_drop: false }` [INFO] [stdout] 13014d302f95ed56dbcfcc13fcc41c11f9f40df9281e1b8c145ddb1caa40127d