[INFO] fetching crate flicbtn 0.1.1... [INFO] testing flicbtn-0.1.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate flicbtn 0.1.1 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate flicbtn 0.1.1 [INFO] finished tweaking crates.io crate flicbtn 0.1.1 [INFO] tweaked toml for crates.io crate flicbtn 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate flicbtn 0.1.1 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate flicbtn 0.1.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded signal-hook-registry v1.2.1 [INFO] [stderr] Downloaded unicode-xid v0.2.1 [INFO] [stderr] Downloaded tokio-macros v0.2.5 [INFO] [stderr] Downloaded quote v1.0.7 [INFO] [stderr] Downloaded arc-swap v0.4.7 [INFO] [stderr] Downloaded futures-macro v0.3.5 [INFO] [stderr] Downloaded futures-task v0.3.5 [INFO] [stderr] Downloaded futures-core v0.3.5 [INFO] [stderr] Downloaded futures-io v0.3.5 [INFO] [stderr] Downloaded num_enum_derive v0.4.3 [INFO] [stderr] Downloaded redox_syscall v0.1.57 [INFO] [stderr] Downloaded futures-executor v0.3.5 [INFO] [stderr] Downloaded pin-project-internal v0.4.23 [INFO] [stderr] Downloaded pin-project v0.4.23 [INFO] [stderr] Downloaded serde v1.0.114 [INFO] [stderr] Downloaded aho-corasick v0.7.13 [INFO] [stderr] Downloaded futures-util v0.3.5 [INFO] [stderr] Downloaded syn v1.0.38 [INFO] [stderr] Downloaded mio v0.6.22 [INFO] [stderr] Downloaded log v0.4.11 [INFO] [stderr] Downloaded futures v0.3.5 [INFO] [stderr] Downloaded regex v1.3.9 [INFO] [stderr] Downloaded regex-syntax v0.6.18 [INFO] [stderr] Downloaded socket2 v0.3.12 [INFO] [stderr] Downloaded tokio v0.2.22 [INFO] [stderr] Downloaded futures-channel v0.3.5 [INFO] [stderr] Downloaded libc v0.2.74 [INFO] [stderr] Downloaded once_cell v1.4.0 [INFO] [stderr] Downloaded toml v0.5.6 [INFO] [stderr] Downloaded derivative v2.1.1 [INFO] [stderr] Downloaded miow v0.3.5 [INFO] [stderr] Downloaded memchr v2.3.3 [INFO] [stderr] Downloaded mio-named-pipes v0.1.7 [INFO] [stderr] Downloaded net2 v0.2.34 [INFO] [stderr] Downloaded pin-project-lite v0.1.7 [INFO] [stderr] Downloaded thread_local v1.0.1 [INFO] [stderr] Downloaded futures-sink v0.3.5 [INFO] [stderr] Downloaded proc-macro-hack v0.5.18 [INFO] [stderr] Downloaded hermit-abi v0.1.15 [INFO] [stderr] Downloaded proc-macro-nested v0.1.6 [INFO] [stderr] Downloaded num_enum v0.4.3 [INFO] [stderr] Downloaded mio-uds v0.6.8 [INFO] [stderr] Downloaded proc-macro2 v1.0.19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e424615f82744f6633ad2f95eb3546a647dac84d367af60999605a2e45041bbf [INFO] running `Command { std: "docker" "start" "-a" "e424615f82744f6633ad2f95eb3546a647dac84d367af60999605a2e45041bbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e424615f82744f6633ad2f95eb3546a647dac84d367af60999605a2e45041bbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e424615f82744f6633ad2f95eb3546a647dac84d367af60999605a2e45041bbf", kill_on_drop: false }` [INFO] [stdout] e424615f82744f6633ad2f95eb3546a647dac84d367af60999605a2e45041bbf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da212f4f2945ef326059a201ec17ec959a22838180a7f67fbccaa64aaa61aac4 [INFO] running `Command { std: "docker" "start" "-a" "da212f4f2945ef326059a201ec17ec959a22838180a7f67fbccaa64aaa61aac4", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling arc-swap v0.4.7 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling pin-project-lite v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling signal-hook-registry v1.2.1 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling num_enum_derive v0.4.3 [INFO] [stderr] Compiling derivative v2.1.1 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling tokio v0.2.22 [INFO] [stderr] Compiling pin-project v0.4.23 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling num_enum v0.4.3 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling flicbtn v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/commands/stream_mapper.rs:39:20 [INFO] [stdout] | [INFO] [stdout] 39 | if let Ok(latency_mode) = latency_mode.try_into() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/commands/stream_mapper.rs:56:20 [INFO] [stdout] | [INFO] [stdout] 56 | if let Ok(latency_mode) = latency_mode.try_into() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/commands/stream_mapper.rs:19:16 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn map(&mut self, command: Command) -> Drain { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 19 | pub fn map(&mut self, command: Command) -> Drain<'_, u8> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.73s [INFO] running `Command { std: "docker" "inspect" "da212f4f2945ef326059a201ec17ec959a22838180a7f67fbccaa64aaa61aac4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da212f4f2945ef326059a201ec17ec959a22838180a7f67fbccaa64aaa61aac4", kill_on_drop: false }` [INFO] [stdout] da212f4f2945ef326059a201ec17ec959a22838180a7f67fbccaa64aaa61aac4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c30e5340ba057779e3b2a0980421ca8ba8644af11d59dfdf20cccdd35cb3e91 [INFO] running `Command { std: "docker" "start" "-a" "3c30e5340ba057779e3b2a0980421ca8ba8644af11d59dfdf20cccdd35cb3e91", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/commands/stream_mapper.rs:39:20 [INFO] [stdout] | [INFO] [stdout] 39 | if let Ok(latency_mode) = latency_mode.try_into() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/commands/stream_mapper.rs:56:20 [INFO] [stdout] | [INFO] [stdout] 56 | if let Ok(latency_mode) = latency_mode.try_into() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling flicbtn v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/commands/stream_mapper.rs:19:16 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn map(&mut self, command: Command) -> Drain { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 19 | pub fn map(&mut self, command: Command) -> Drain<'_, u8> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `str_as_str` [INFO] [stdout] --> examples/simpleclient.rs:45:25 [INFO] [stdout] | [INFO] [stdout] 45 | match input.as_str() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #130366 for more information [INFO] [stdout] = help: add `#![feature(str_as_str)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/commands/stream_mapper.rs:39:20 [INFO] [stdout] | [INFO] [stdout] 39 | if let Ok(latency_mode) = latency_mode.try_into() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/commands/stream_mapper.rs:56:20 [INFO] [stdout] | [INFO] [stdout] 56 | if let Ok(latency_mode) = latency_mode.try_into() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `flicbtn` (example "simpleclient") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/commands/stream_mapper.rs:19:16 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn map(&mut self, command: Command) -> Drain { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 19 | pub fn map(&mut self, command: Command) -> Drain<'_, u8> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3c30e5340ba057779e3b2a0980421ca8ba8644af11d59dfdf20cccdd35cb3e91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c30e5340ba057779e3b2a0980421ca8ba8644af11d59dfdf20cccdd35cb3e91", kill_on_drop: false }` [INFO] [stdout] 3c30e5340ba057779e3b2a0980421ca8ba8644af11d59dfdf20cccdd35cb3e91