[INFO] fetching crate futures-async-combinators 0.3.2... [INFO] testing futures-async-combinators-0.3.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate futures-async-combinators 0.3.2 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate futures-async-combinators 0.3.2 [INFO] finished tweaking crates.io crate futures-async-combinators 0.3.2 [INFO] tweaked toml for crates.io crate futures-async-combinators 0.3.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate futures-async-combinators 0.3.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate futures-async-combinators 0.3.2 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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] Downloading crates ... [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded walkdir v2.2.9 [INFO] [stderr] Downloaded num_cpus v1.10.1 [INFO] [stderr] Downloaded same-file v1.0.5 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded tinytemplate v1.0.2 [INFO] [stderr] Downloaded cast v0.2.2 [INFO] [stderr] Downloaded autocfg v0.1.6 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded rand_os v0.2.2 [INFO] [stderr] Downloaded memoffset v0.5.1 [INFO] [stderr] Downloaded atty v0.2.13 [INFO] [stderr] Downloaded bitflags v1.2.0 [INFO] [stderr] Downloaded getrandom v0.1.12 [INFO] [stderr] Downloaded criterion-plot v0.4.0 [INFO] [stderr] Downloaded csv-core v0.1.6 [INFO] [stderr] Downloaded serde_derive v1.0.101 [INFO] [stderr] Downloaded rayon-core v1.6.0 [INFO] [stderr] Downloaded regex-automata v0.1.8 [INFO] [stderr] Downloaded serde_json v1.0.40 [INFO] [stderr] Downloaded serde v1.0.101 [INFO] [stderr] Downloaded criterion v0.3.0 [INFO] [stderr] Downloaded rayon v1.2.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.4 [INFO] [stderr] Downloaded clap v2.33.0 [INFO] [stderr] Downloaded syn v1.0.5 [INFO] [stderr] Downloaded ryu v1.0.0 [INFO] [stderr] Downloaded num-traits v0.2.8 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.2 [INFO] [stderr] Downloaded unicode-width v0.1.6 [INFO] [stderr] Downloaded rand_xoshiro v0.3.1 [INFO] [stderr] Downloaded arrayvec v0.4.11 [INFO] [stderr] Downloaded bstr v0.2.8 [INFO] [stderr] Downloaded libc v0.2.62 [INFO] [stderr] Downloaded csv v1.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4713b87916b60350a29d44297b6a849eb20393b4ee07fed0472817dec13d6116 [INFO] running `Command { std: "docker" "start" "-a" "4713b87916b60350a29d44297b6a849eb20393b4ee07fed0472817dec13d6116", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4713b87916b60350a29d44297b6a849eb20393b4ee07fed0472817dec13d6116", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4713b87916b60350a29d44297b6a849eb20393b4ee07fed0472817dec13d6116", kill_on_drop: false }` [INFO] [stdout] 4713b87916b60350a29d44297b6a849eb20393b4ee07fed0472817dec13d6116 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ed38e1fabb2064b134d095a542af3c0418ba70c68de54f422ee3cab99bea086 [INFO] running `Command { std: "docker" "start" "-a" "1ed38e1fabb2064b134d095a542af3c0418ba70c68de54f422ee3cab99bea086", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling futures-async-combinators v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:39 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_closure, gen_future, generators)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.75.0; see for more information [INFO] [stdout] = note: renamed to `coroutines` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `async_closure` has been stable since 1.85.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_closure, gen_future, generators)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `futures-async-combinators` (lib) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "1ed38e1fabb2064b134d095a542af3c0418ba70c68de54f422ee3cab99bea086", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ed38e1fabb2064b134d095a542af3c0418ba70c68de54f422ee3cab99bea086", kill_on_drop: false }` [INFO] [stdout] 1ed38e1fabb2064b134d095a542af3c0418ba70c68de54f422ee3cab99bea086