[INFO] fetching crate stream_router 0.2.1... [INFO] building stream_router-0.2.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate stream_router 0.2.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate stream_router 0.2.1 [INFO] finished tweaking crates.io crate stream_router 0.2.1 [INFO] tweaked toml for crates.io crate stream_router 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate stream_router 0.2.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate stream_router 0.2.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 672bcab1aa8747628e37af41121399cab626eb5650a5d8ea36555dbfaaa0029f [INFO] running `Command { std: "docker" "start" "-a" "672bcab1aa8747628e37af41121399cab626eb5650a5d8ea36555dbfaaa0029f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "672bcab1aa8747628e37af41121399cab626eb5650a5d8ea36555dbfaaa0029f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "672bcab1aa8747628e37af41121399cab626eb5650a5d8ea36555dbfaaa0029f", kill_on_drop: false }` [INFO] [stdout] 672bcab1aa8747628e37af41121399cab626eb5650a5d8ea36555dbfaaa0029f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b1201e18a8b3e25ab1ad56d25f956a1990e0da91d85b52fcb5fefb7c583be9f [INFO] running `Command { std: "docker" "start" "-a" "0b1201e18a8b3e25ab1ad56d25f956a1990e0da91d85b52fcb5fefb7c583be9f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling futures-sink v0.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling futures-core v0.3.4 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling stream_router v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait impl blocks [INFO] [stdout] --> src/lib.rs:361:1 [INFO] [stdout] | [INFO] [stdout] 361 | #[must_use = "streams do nothing unless you `.await` or poll them"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to functions, data types, unions, and traits [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.76s [INFO] running `Command { std: "docker" "inspect" "0b1201e18a8b3e25ab1ad56d25f956a1990e0da91d85b52fcb5fefb7c583be9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b1201e18a8b3e25ab1ad56d25f956a1990e0da91d85b52fcb5fefb7c583be9f", kill_on_drop: false }` [INFO] [stdout] 0b1201e18a8b3e25ab1ad56d25f956a1990e0da91d85b52fcb5fefb7c583be9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3beb172741ba1a4ea4814c9ef95b7301233d0aa84ee6241ba37ec4805cb75065 [INFO] running `Command { std: "docker" "start" "-a" "3beb172741ba1a4ea4814c9ef95b7301233d0aa84ee6241ba37ec4805cb75065", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling arc-swap v0.4.5 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling pin-project-lite v0.1.4 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling bytes v0.5.4 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling oorandom v11.1.0 [INFO] [stderr] Compiling futures-test v0.3.4 [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait impl blocks [INFO] [stdout] --> src/lib.rs:361:1 [INFO] [stdout] | [INFO] [stdout] 361 | #[must_use = "streams do nothing unless you `.await` or poll them"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to functions, data types, unions, and traits [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling criterion-plot v0.4.1 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling plotters v0.2.12 [INFO] [stderr] Compiling tokio v0.2.17 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling bstr v0.2.12 [INFO] [stderr] Compiling serde_json v1.0.51 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling tinytemplate v1.0.3 [INFO] [stderr] Compiling criterion v0.3.1 [INFO] [stderr] Compiling num_stream v0.1.1 [INFO] [stderr] Compiling stream_router v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait impl blocks [INFO] [stdout] --> src/lib.rs:361:1 [INFO] [stdout] | [INFO] [stdout] 361 | #[must_use = "streams do nothing unless you `.await` or poll them"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to functions, data types, unions, and traits [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 20.54s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "3beb172741ba1a4ea4814c9ef95b7301233d0aa84ee6241ba37ec4805cb75065", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3beb172741ba1a4ea4814c9ef95b7301233d0aa84ee6241ba37ec4805cb75065", kill_on_drop: false }` [INFO] [stdout] 3beb172741ba1a4ea4814c9ef95b7301233d0aa84ee6241ba37ec4805cb75065