[INFO] fetching crate tower 0.4.6... [INFO] checking tower-0.4.6 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789 [INFO] extracting crate tower 0.4.6 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate tower 0.4.6 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tower 0.4.6 [INFO] finished tweaking crates.io crate tower 0.4.6 [INFO] tweaked toml for crates.io crate tower 0.4.6 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate tower 0.4.6 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-test v0.4.0 [INFO] [stderr] Downloaded tower-test v0.4.0 [INFO] [stderr] Downloaded tracing-attributes v0.1.13 [INFO] [stderr] Downloaded hdrhistogram v6.3.4 [INFO] [stderr] Downloaded serde_json v1.0.63 [INFO] [stderr] Downloaded tokio-stream v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 776875a29f43a99836fee9913410b49776ca6eb504931109f44d7c509fb80f0b [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" "776875a29f43a99836fee9913410b49776ca6eb504931109f44d7c509fb80f0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "776875a29f43a99836fee9913410b49776ca6eb504931109f44d7c509fb80f0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "776875a29f43a99836fee9913410b49776ca6eb504931109f44d7c509fb80f0b", kill_on_drop: false }` [INFO] [stdout] 776875a29f43a99836fee9913410b49776ca6eb504931109f44d7c509fb80f0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] c96700650cf05c3a005a0d333dff5cd22de339014d3163596b8071ff2659af93 [INFO] running `Command { std: "docker" "start" "-a" "c96700650cf05c3a005a0d333dff5cd22de339014d3163596b8071ff2659af93", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking futures-sink v0.3.13 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling serde_json v1.0.63 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking tower-layer v0.3.1 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking crc32fast v1.2.1 [INFO] [stderr] Checking futures-channel v0.3.13 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking sharded-slab v0.1.1 [INFO] [stderr] Checking http v0.2.3 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling tokio v1.2.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking hdrhistogram v6.3.4 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling pin-project-internal v1.0.5 [INFO] [stderr] Compiling tracing-attributes v0.1.13 [INFO] [stderr] Compiling async-stream-impl v0.3.0 [INFO] [stderr] Checking async-stream v0.3.0 [INFO] [stderr] Checking futures-util v0.3.13 [INFO] [stderr] Checking tracing v0.1.25 [INFO] [stderr] Checking tracing-subscriber v0.2.16 [INFO] [stderr] Checking pin-project v1.0.5 [INFO] [stderr] Checking tower v0.4.6 (/opt/rustwide/workdir) [INFO] [stderr] Checking tokio-stream v0.1.3 [INFO] [stderr] Checking tokio-test v0.4.0 [INFO] [stderr] Checking futures-executor v0.3.13 [INFO] [stderr] Checking tower-test v0.4.0 [INFO] [stderr] Checking futures v0.3.13 [INFO] [stdout] error[E0432]: unresolved import `tower::balance` [INFO] [stdout] --> examples/tower-balance.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use tower::balance as lb; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ no `balance` in the root [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `limit` in `tower` [INFO] [stdout] --> examples/tower-balance.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | use tower::limit::concurrency::ConcurrencyLimit; [INFO] [stdout] | ^^^^^ could not find `limit` in `tower` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `tower::discover` [INFO] [stdout] --> examples/tower-balance.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | use tower::discover::{Change, Discover}; [INFO] [stdout] | ^^^^^^^^ could not find `discover` in `tower` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `tower::load` [INFO] [stdout] --> examples/tower-balance.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use tower::load; [INFO] [stdout] | ^^^^^^^^^^^ no `load` in the root [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `tower::util` [INFO] [stdout] --> examples/tower-balance.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | use tower::util::ServiceExt; [INFO] [stdout] | ^^^^ could not find `util` in `tower` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_util` [INFO] [stdout] --> examples/tower-balance.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use futures_util::{stream, stream::StreamExt, stream::TryStreamExt}; [INFO] [stdout] | ^^^^^^^^^^^^ use of undeclared crate or module `futures_util` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `futures_util` [INFO] [stdout] --> examples/tower-balance.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use futures_util::{stream, stream::StreamExt, stream::TryStreamExt}; [INFO] [stdout] | ^^^^^^^^^^^^ use of undeclared crate or module `futures_util` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `rand` [INFO] [stdout] --> examples/tower-balance.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ no external crate `rand` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ConcurrencyLimit` [INFO] [stdout] --> examples/tower-balance.rs:127:28 [INFO] [stdout] | [INFO] [stdout] 127 | (instance, ConcurrencyLimit::new(svc, ENDPOINT_CAPACITY)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ use of undeclared type `ConcurrencyLimit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ConcurrencyLimit` [INFO] [stdout] --> examples/tower-balance.rs:146:19 [INFO] [stdout] | [INFO] [stdout] 146 | let service = ConcurrencyLimit::new(lb, CONCURRENCY); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ use of undeclared type `ConcurrencyLimit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `ConcurrencyLimit` in this scope [INFO] [stdout] --> examples/tower-balance.rs:104:15 [INFO] [stdout] | [INFO] [stdout] 104 | Service = ConcurrencyLimit< [INFO] [stdout] | ^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `service_fn` in crate `tower` [INFO] [stdout] --> examples/tower-balance.rs:113:34 [INFO] [stdout] | [INFO] [stdout] 113 | let svc = tower::service_fn(move |_| { [INFO] [stdout] | ^^^^^^^^^^ not found in `tower` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 12 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0432, E0433. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0412`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tower` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "c96700650cf05c3a005a0d333dff5cd22de339014d3163596b8071ff2659af93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c96700650cf05c3a005a0d333dff5cd22de339014d3163596b8071ff2659af93", kill_on_drop: false }` [INFO] [stdout] c96700650cf05c3a005a0d333dff5cd22de339014d3163596b8071ff2659af93