[INFO] fetching crate remux 0.9.0...
[INFO] testing remux-0.9.0 against try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] extracting crate remux 0.9.0 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate remux 0.9.0 on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 135 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding env_logger v0.8.4 (available: v0.11.10)
[INFO] [stderr]       Adding parking_lot v0.11.2 (available: v0.12.5)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding tokio-util v0.6.10 (available: v0.7.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 34a47a4477e9b627964dd8b63114a3f841a50f4d1fc2139b7ec53ae88b55447c
[INFO] running `Command { std: "docker" "start" "34a47a4477e9b627964dd8b63114a3f841a50f4d1fc2139b7ec53ae88b55447c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "34a47a4477e9b627964dd8b63114a3f841a50f4d1fc2139b7ec53ae88b55447c" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34a47a4477e9b627964dd8b63114a3f841a50f4d1fc2139b7ec53ae88b55447c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "34a47a4477e9b627964dd8b63114a3f841a50f4d1fc2139b7ec53ae88b55447c" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling nohash v0.2.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "34a47a4477e9b627964dd8b63114a3f841a50f4d1fc2139b7ec53ae88b55447c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "34a47a4477e9b627964dd8b63114a3f841a50f4d1fc2139b7ec53ae88b55447c" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling futures-timer v3.0.4
[INFO] [stderr]    Compiling humantime v2.3.0
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling constrained-connection v0.1.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling tokio-util v0.6.10
[INFO] [stderr]    Compiling regex v1.12.4
[INFO] [stderr]    Compiling env_filter v1.0.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling env_logger v0.11.10
[INFO] [stderr]    Compiling quickcheck v1.1.0
[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)]` (part of `#[warn(unused)]`) 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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) 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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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 12.25s
[INFO] running `Command { std: "docker" "inspect" "34a47a4477e9b627964dd8b63114a3f841a50f4d1fc2139b7ec53ae88b55447c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "34a47a4477e9b627964dd8b63114a3f841a50f4d1fc2139b7ec53ae88b55447c" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen", 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)]` (part of `#[warn(unused)]`) 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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) 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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/remux-6bca9a7cc51e7706)
[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] [stderr] [ERROR remux::connection] 3b542735: maximum number of streams reached
[INFO] [stderr] [ERROR remux::connection] 41bc4ff9: maximum number of streams reached
[INFO] [stderr] [ERROR remux::connection] 79b35e69: maximum number of streams reached
[INFO] [stderr] [ERROR remux::connection] f649839d: maximum number of streams reached
[INFO] [stderr] [ERROR remux::connection] a7ded95b: maximum number of streams reached
[INFO] [stdout] test tests::prop_send_recv_half_closed ... ok
[INFO] [stderr] [ERROR remux::connection] dd2f6573: maximum number of streams reached
[INFO] [stderr] [ERROR remux::connection] 22951c80: 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_single ... ok
[INFO] [stdout] test tests::prop_config_send_recv_multi ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 51.33s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/concurrent.rs (/opt/rustwide/target/debug/deps/concurrent-7a0dc24d45cefaeb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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 1.65s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests remux
[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" "34a47a4477e9b627964dd8b63114a3f841a50f4d1fc2139b7ec53ae88b55447c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a47a4477e9b627964dd8b63114a3f841a50f4d1fc2139b7ec53ae88b55447c", kill_on_drop: false }`
[INFO] [stdout] 34a47a4477e9b627964dd8b63114a3f841a50f4d1fc2139b7ec53ae88b55447c
