[INFO] fetching crate uflow 0.7.1...
[INFO] checking uflow-0.7.1 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate uflow 0.7.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate uflow 0.7.1
[INFO] finished tweaking crates.io crate uflow 0.7.1
[INFO] tweaked toml for crates.io crate uflow 0.7.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uflow 0.7.1 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uflow 0.7.1 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cff3193f51d3712a23a5a21326c7a74fff8ce4166e3638a3c2ac63f3479d74fd
[INFO] running `Command { std: "docker" "start" "cff3193f51d3712a23a5a21326c7a74fff8ce4166e3638a3c2ac63f3479d74fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cff3193f51d3712a23a5a21326c7a74fff8ce4166e3638a3c2ac63f3479d74fd", 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" "cff3193f51d3712a23a5a21326c7a74fff8ce4166e3638a3c2ac63f3479d74fd" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cff3193f51d3712a23a5a21326c7a74fff8ce4166e3638a3c2ac63f3479d74fd", 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" "cff3193f51d3712a23a5a21326c7a74fff8ce4166e3638a3c2ac63f3479d74fd" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking uflow v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/half_connection/loss_rate.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl u32>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/half_connection/recv_rate_set.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |             value: u32::max_value(),
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl u32>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/half_connection/recv_rate_set.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |             value: u32::max_value(),
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InfoRequestFrame` is never constructed
[INFO] [stdout]   --> src/frame/mod.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct InfoRequestFrame {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InfoReplyFrame` is never constructed
[INFO] [stdout]   --> src/frame/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct InfoReplyFrame {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]    --> src/half_connection/frame_queue.rs:333:55
[INFO] [stdout]     |
[INFO] [stdout] 333 |                     for fragment_ref in fragment_refs.into_iter() {
[INFO] [stdout]     |                                                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/intoiterator-box-slice.html>
[INFO] [stdout]     = note: `#[warn(boxed_slice_into_iter)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 333 -                     for fragment_ref in fragment_refs.into_iter() {
[INFO] [stdout] 333 +                     for fragment_ref in fragment_refs.iter() {
[INFO] [stdout]     |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 333 -                     for fragment_ref in fragment_refs.into_iter() {
[INFO] [stdout] 333 +                     for fragment_ref in fragment_refs {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InfoRequestFrame` is never constructed
[INFO] [stdout]   --> src/frame/mod.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct InfoRequestFrame {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InfoReplyFrame` is never constructed
[INFO] [stdout]   --> src/frame/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct InfoReplyFrame {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&[u8]`
[INFO] [stdout]    --> src/frame/serial/crc.rs:136:35
[INFO] [stdout]     |
[INFO] [stdout] 136 |         assert_eq!(extend_slow(0, "123456789".as_bytes().into()), 0x11A6F2A3);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 136 -         assert_eq!(extend_slow(0, "123456789".as_bytes().into()), 0x11A6F2A3);
[INFO] [stdout] 136 +         assert_eq!(extend_slow(0, "123456789".as_bytes()), 0x11A6F2A3);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 136 -         assert_eq!(extend_slow(0, "123456789".as_bytes().into()), 0x11A6F2A3);
[INFO] [stdout] 136 +         assert_eq!(extend_slow(0, <&[u8] as Into<_>>::into("123456789".as_bytes())), 0x11A6F2A3);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&[u8]`
[INFO] [stdout]    --> src/frame/serial/crc.rs:137:30
[INFO] [stdout]     |
[INFO] [stdout] 137 |         assert_eq!(extend(0, "123456789".as_bytes().into()), 0x11A6F2A3);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 137 -         assert_eq!(extend(0, "123456789".as_bytes().into()), 0x11A6F2A3);
[INFO] [stdout] 137 +         assert_eq!(extend(0, "123456789".as_bytes()), 0x11A6F2A3);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 137 -         assert_eq!(extend(0, "123456789".as_bytes().into()), 0x11A6F2A3);
[INFO] [stdout] 137 +         assert_eq!(extend(0, <&[u8] as Into<_>>::into("123456789".as_bytes())), 0x11A6F2A3);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]    --> src/half_connection/frame_queue.rs:333:55
[INFO] [stdout]     |
[INFO] [stdout] 333 |                     for fragment_ref in fragment_refs.into_iter() {
[INFO] [stdout]     |                                                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/intoiterator-box-slice.html>
[INFO] [stdout]     = note: `#[warn(boxed_slice_into_iter)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 333 -                     for fragment_ref in fragment_refs.into_iter() {
[INFO] [stdout] 333 +                     for fragment_ref in fragment_refs.iter() {
[INFO] [stdout]     |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 333 -                     for fragment_ref in fragment_refs.into_iter() {
[INFO] [stdout] 333 +                     for fragment_ref in fragment_refs {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uflow` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cff3193f51d3712a23a5a21326c7a74fff8ce4166e3638a3c2ac63f3479d74fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff3193f51d3712a23a5a21326c7a74fff8ce4166e3638a3c2ac63f3479d74fd", kill_on_drop: false }`
[INFO] [stdout] cff3193f51d3712a23a5a21326c7a74fff8ce4166e3638a3c2ac63f3479d74fd
