[INFO] fetching crate remux 0.9.0... [INFO] testing remux-0.9.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate remux 0.9.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate remux 0.9.0 [INFO] finished tweaking crates.io crate remux 0.9.0 [INFO] tweaked toml for crates.io crate remux 0.9.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate remux 0.9.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 125 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.6 (available: v0.7.0) [INFO] [stderr] Adding env_logger v0.8.4 (available: v0.11.8) [INFO] [stderr] Adding parking_lot v0.11.2 (available: v0.12.4) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] [stderr] Adding tokio-util v0.6.10 (available: v0.7.16) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-util v0.6.10 [INFO] [stderr] Downloaded constrained-connection v0.1.0 [INFO] [stderr] Downloaded csv-core v0.1.12 [INFO] [stderr] Downloaded serde_cbor v0.11.2 [INFO] [stderr] Downloaded criterion v0.3.6 [INFO] [stderr] Downloaded half v1.8.3 [INFO] [stderr] Downloaded nohash v0.2.0 [INFO] [stderr] Downloaded criterion-plot v0.4.5 [INFO] [stderr] Downloaded csv v1.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b39dcb993a360d25cff81cadc5ef7f2bf1dfd8449d3310e8c142976f91bb4541 [INFO] running `Command { std: "docker" "start" "-a" "b39dcb993a360d25cff81cadc5ef7f2bf1dfd8449d3310e8c142976f91bb4541", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b39dcb993a360d25cff81cadc5ef7f2bf1dfd8449d3310e8c142976f91bb4541", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b39dcb993a360d25cff81cadc5ef7f2bf1dfd8449d3310e8c142976f91bb4541", kill_on_drop: false }` [INFO] [stdout] b39dcb993a360d25cff81cadc5ef7f2bf1dfd8449d3310e8c142976f91bb4541 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] adcee04c87c756b79406c615a5c33bf46fa4f2fd72e85d3d9e89291ce0bcb548 [INFO] running `Command { std: "docker" "start" "-a" "adcee04c87c756b79406c615a5c33bf46fa4f2fd72e85d3d9e89291ce0bcb548", kill_on_drop: false }` [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling nohash v0.2.0 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling remux v0.9.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/frame/io.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let mut this = &mut *self; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.50s [INFO] running `Command { std: "docker" "inspect" "adcee04c87c756b79406c615a5c33bf46fa4f2fd72e85d3d9e89291ce0bcb548", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adcee04c87c756b79406c615a5c33bf46fa4f2fd72e85d3d9e89291ce0bcb548", kill_on_drop: false }` [INFO] [stdout] adcee04c87c756b79406c615a5c33bf46fa4f2fd72e85d3d9e89291ce0bcb548 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 566c3805dcf3e6edc74b8e11eb034f094611d7e83374aa6b07e228f862d39c1c [INFO] running `Command { std: "docker" "start" "-a" "566c3805dcf3e6edc74b8e11eb034f094611d7e83374aa6b07e228f862d39c1c", kill_on_drop: false }` [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling unicode-width v0.1.14 [INFO] [stderr] Compiling plotters-backend v0.3.7 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling csv-core v0.1.12 [INFO] [stderr] Compiling anyhow v1.0.100 [INFO] [stderr] Compiling half v1.8.3 [INFO] [stderr] Compiling humantime v2.3.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling futures-timer v3.0.3 [INFO] [stderr] Compiling oorandom v11.1.5 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/frame/io.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let mut this = &mut *self; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling plotters-svg v0.3.7 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling csv v1.3.1 [INFO] [stderr] Compiling plotters v0.3.7 [INFO] [stderr] Compiling constrained-connection v0.1.0 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling rayon v1.11.0 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion-plot v0.4.5 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling criterion v0.3.6 [INFO] [stderr] Compiling quickcheck v1.0.3 [INFO] [stderr] Compiling tokio-util v0.6.10 [INFO] [stderr] Compiling remux v0.9.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/frame/io.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let mut this = &mut *self; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/tests.rs:270:63 [INFO] [stdout] | [INFO] [stdout] 270 | writer.write_all(msg.as_ref()).map_err(|e| panic!(e)), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 270 | writer.write_all(msg.as_ref()).map_err(|e| panic!("{}", e)), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 270 - writer.write_all(msg.as_ref()).map_err(|e| panic!(e)), [INFO] [stdout] 270 + writer.write_all(msg.as_ref()).map_err(|e| std::panic::panic_any(e)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/tests.rs:271:62 [INFO] [stdout] | [INFO] [stdout] 271 | reader.read_exact(&mut b[..]).map_err(|e| panic!(e)), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 271 | reader.read_exact(&mut b[..]).map_err(|e| panic!("{}", e)), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 271 - reader.read_exact(&mut b[..]).map_err(|e| panic!(e)), [INFO] [stdout] 271 + reader.read_exact(&mut b[..]).map_err(|e| std::panic::panic_any(e)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 24.43s [INFO] running `Command { std: "docker" "inspect" "566c3805dcf3e6edc74b8e11eb034f094611d7e83374aa6b07e228f862d39c1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "566c3805dcf3e6edc74b8e11eb034f094611d7e83374aa6b07e228f862d39c1c", kill_on_drop: false }` [INFO] [stdout] 566c3805dcf3e6edc74b8e11eb034f094611d7e83374aa6b07e228f862d39c1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4a6637789996f8801d7a07247110b48b442d525de2c58abc0380f74dc2a68793 [INFO] running `Command { std: "docker" "start" "-a" "4a6637789996f8801d7a07247110b48b442d525de2c58abc0380f74dc2a68793", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/frame/io.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | let mut this = &mut *self; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `remux` (lib) generated 1 warning (run `cargo fix --lib -p remux` to apply 1 suggestion) [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/tests.rs:270:63 [INFO] [stderr] | [INFO] [stderr] 270 | writer.write_all(msg.as_ref()).map_err(|e| panic!(e)), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] help: add a "{}" format string to `Display` the message [INFO] [stderr] | [INFO] [stderr] 270 | writer.write_all(msg.as_ref()).map_err(|e| panic!("{}", e)), [INFO] [stderr] | +++++ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 270 - writer.write_all(msg.as_ref()).map_err(|e| panic!(e)), [INFO] [stderr] 270 + writer.write_all(msg.as_ref()).map_err(|e| std::panic::panic_any(e)), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/tests.rs:271:62 [INFO] [stderr] | [INFO] [stderr] 271 | reader.read_exact(&mut b[..]).map_err(|e| panic!(e)), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to `Display` the message [INFO] [stderr] | [INFO] [stderr] 271 | reader.read_exact(&mut b[..]).map_err(|e| panic!("{}", e)), [INFO] [stderr] | +++++ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 271 - reader.read_exact(&mut b[..]).map_err(|e| panic!(e)), [INFO] [stderr] 271 + reader.read_exact(&mut b[..]).map_err(|e| std::panic::panic_any(e)), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `remux` (lib test) generated 3 warnings (1 duplicate) (run `cargo fix --lib -p remux --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/remux-9f2b3c0345058aeb) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test pause::tests::pause_unpause ... ok [INFO] [stdout] test tests::write_deadlock ... ignored [INFO] [stdout] test frame::header::tests::encode_decode_identity ... ok [INFO] [stdout] test tests::prop_send_recv_half_closed ... ok [INFO] [stderr] [2025-10-01T12:33:00Z ERROR remux::connection] 5f83d39f: maximum number of streams reached [INFO] [stderr] [2025-10-01T12:33:00Z ERROR remux::connection] 2066062d: maximum number of streams reached [INFO] [stderr] [2025-10-01T12:33:00Z ERROR remux::connection] ceec6db1: maximum number of streams reached [INFO] [stderr] [2025-10-01T12:33:00Z ERROR remux::connection] 605d459a: maximum number of streams reached [INFO] [stderr] [2025-10-01T12:33:00Z ERROR remux::connection] 7445935c: maximum number of streams reached [INFO] [stderr] [2025-10-01T12:33:00Z ERROR remux::connection] 8c307196: maximum number of streams reached [INFO] [stderr] [2025-10-01T12:33:00Z ERROR remux::connection] 06fba778: maximum number of streams reached [INFO] [stdout] test tests::prop_max_streams ... ok [INFO] [stdout] test frame::io::tests::encode_decode_identity ... ok [INFO] [stdout] test tests::prop_send_recv ... ok [INFO] [stdout] test tests::prop_config_send_recv_multi ... ok [INFO] [stdout] test tests::prop_config_send_recv_single ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 45.20s [INFO] [stdout] [INFO] [stderr] Running tests/concurrent.rs (/opt/rustwide/target/debug/deps/concurrent-55639665893cf886) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests remux [INFO] [stdout] test concurrent_streams ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.26s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4a6637789996f8801d7a07247110b48b442d525de2c58abc0380f74dc2a68793", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a6637789996f8801d7a07247110b48b442d525de2c58abc0380f74dc2a68793", kill_on_drop: false }` [INFO] [stdout] 4a6637789996f8801d7a07247110b48b442d525de2c58abc0380f74dc2a68793