[INFO] cloning repository https://github.com/emk/rust-slow-iteration-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emk/rust-slow-iteration-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Frust-slow-iteration-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Frust-slow-iteration-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f2ea535c506de87273be0529ef77b4ce8c19681b [INFO] checking emk/rust-slow-iteration-demo against master#0ef0dd24510b52da980889546fcd15254dc56a23 for pr-126452 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Frust-slow-iteration-demo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/emk/rust-slow-iteration-demo on toolchain 0ef0dd24510b52da980889546fcd15254dc56a23 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0ef0dd24510b52da980889546fcd15254dc56a23" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/emk/rust-slow-iteration-demo [INFO] finished tweaking git repo https://github.com/emk/rust-slow-iteration-demo [INFO] tweaked toml for git repo https://github.com/emk/rust-slow-iteration-demo written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/emk/rust-slow-iteration-demo 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" "+0ef0dd24510b52da980889546fcd15254dc56a23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking emk/rust-slow-iteration-demo against try#d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9 for pr-126452 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Frust-slow-iteration-demo" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/emk/rust-slow-iteration-demo on toolchain d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/emk/rust-slow-iteration-demo [INFO] finished tweaking git repo https://github.com/emk/rust-slow-iteration-demo [INFO] tweaked toml for git repo https://github.com/emk/rust-slow-iteration-demo written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/emk/rust-slow-iteration-demo 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" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] daa200d2bac868c8b91f18185e5dff93daeb6f2d7db12238050cdf55fc073b7a [INFO] running `Command { std: "docker" "start" "-a" "daa200d2bac868c8b91f18185e5dff93daeb6f2d7db12238050cdf55fc073b7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "daa200d2bac868c8b91f18185e5dff93daeb6f2d7db12238050cdf55fc073b7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "daa200d2bac868c8b91f18185e5dff93daeb6f2d7db12238050cdf55fc073b7a", kill_on_drop: false }` [INFO] [stdout] daa200d2bac868c8b91f18185e5dff93daeb6f2d7db12238050cdf55fc073b7a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f0a211bc0fd674b4670d78bc783d4b6ef4e994c162e4389834cbb2e02cdc9d9 [INFO] running `Command { std: "docker" "start" "-a" "7f0a211bc0fd674b4670d78bc783d4b6ef4e994c162e4389834cbb2e02cdc9d9", kill_on_drop: false }` [INFO] [stderr] Checking rust-slow-iteration-demo v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0496]: lifetime name `'a` shadows a lifetime name that is already in scope [INFO] [stdout] --> src/lib.rs:74:18 [INFO] [stdout] | [INFO] [stdout] 68 | impl<'a> Buffer for BufferedReader<'a> { [INFO] [stdout] | -- first declared here [INFO] [stdout] ... [INFO] [stdout] 74 | fn next_line<'a>(&'a mut self) -> Option<&'a str> { [INFO] [stdout] | ^^ lifetime `'a` already in scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `uint` in this scope [INFO] [stdout] --> src/lib.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | offset: uint, [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0496]: lifetime name `'a` shadows a lifetime name that is already in scope [INFO] [stdout] --> src/lib.rs:74:18 [INFO] [stdout] | [INFO] [stdout] 68 | impl<'a> Buffer for BufferedReader<'a> { [INFO] [stdout] | -- first declared here [INFO] [stdout] ... [INFO] [stdout] 74 | fn next_line<'a>(&'a mut self) -> Option<&'a str> { [INFO] [stdout] | ^^ lifetime `'a` already in scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `uint` in this scope [INFO] [stdout] --> src/lib.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | offset: uint, [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0603]: module `range` is private [INFO] [stdout] --> src/lib.rs:23:16 [INFO] [stdout] | [INFO] [stdout] 23 | use std::iter::range; [INFO] [stdout] | ^^^^^ private module [INFO] [stdout] | [INFO] [stdout] note: the module `range` is defined here [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/iter/mod.rs:469:1 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0603]: module `range` is private [INFO] [stdout] --> src/lib.rs:23:16 [INFO] [stdout] | [INFO] [stdout] 23 | use std::iter::range; [INFO] [stdout] | ^^^^^ private module [INFO] [stdout] | [INFO] [stdout] note: the module `range` is defined here [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/iter/mod.rs:469:1 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/lib.rs:112:3 [INFO] [stdout] | [INFO] [stdout] 112 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] = note: `#[deny(soft_unstable)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/lib.rs:176:3 [INFO] [stdout] | [INFO] [stdout] 176 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/lib.rs:229:3 [INFO] [stdout] | [INFO] [stdout] 229 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: invalid suffix `u` for number literal [INFO] [stdout] --> src/lib.rs:35:20 [INFO] [stdout] | [INFO] [stdout] 35 | for _ in range(0u, 200) { result.push_str(LINE); } [INFO] [stdout] | ^^ invalid suffix `u` [INFO] [stdout] | [INFO] [stdout] = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> src/lib.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | extern crate test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-06-14; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> src/lib.rs:113:27 [INFO] [stdout] | [INFO] [stdout] 113 | fn copying_parser(b: &mut test::Bencher) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-06-14; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> src/lib.rs:121:13 [INFO] [stdout] | [INFO] [stdout] 121 | test::black_box(result); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-06-14; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> src/lib.rs:177:29 [INFO] [stdout] | [INFO] [stdout] 177 | fn zero_copy_parser(b: &mut test::Bencher) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-06-14; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> src/lib.rs:189:33 [INFO] [stdout] | [INFO] [stdout] 189 | Some(line) => { test::black_box(line); } [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-06-14; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> src/lib.rs:230:39 [INFO] [stdout] | [INFO] [stdout] 230 | fn replacement_iterator_trait(b: &mut test::Bencher) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-06-14; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/lib.rs:112:3 [INFO] [stdout] | [INFO] [stdout] 112 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] = note: `#[deny(soft_unstable)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> src/lib.rs:238:13 [INFO] [stdout] | [INFO] [stdout] 238 | test::black_box(line); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-06-14; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `macro_rules` has been stable since 1.0.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | #![feature(macro_rules, trace_macros)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/lib.rs:176:3 [INFO] [stdout] | [INFO] [stdout] 176 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/lib.rs:229:3 [INFO] [stdout] | [INFO] [stdout] 229 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `streaming_for` [INFO] [stdout] --> src/lib.rs:214:14 [INFO] [stdout] | [INFO] [stdout] 214 | macro_rules! streaming_for { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: invalid suffix `u` for number literal [INFO] [stdout] --> src/lib.rs:35:20 [INFO] [stdout] | [INFO] [stdout] 35 | for _ in range(0u, 200) { result.push_str(LINE); } [INFO] [stdout] | ^^ invalid suffix `u` [INFO] [stdout] | [INFO] [stdout] = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> src/lib.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | extern crate test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-06-14; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `macro_rules` has been stable since 1.0.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | #![feature(macro_rules, trace_macros)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: method not compatible with trait [INFO] [stdout] --> src/lib.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | fn next_line<'a>(&'a mut self) -> Option<&'a str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch [INFO] [stdout] | [INFO] [stdout] = note: expected signature `fn(&'a mut BufferedReader<'_>) -> Option<&'a _>` [INFO] [stdout] found signature `fn(&'a mut BufferedReader<'_>) -> Option<&'a _>` [INFO] [stdout] note: the lifetime `'a` as defined here... [INFO] [stdout] --> src/lib.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | fn next_line<'a>(&'a mut self) -> Option<&'a str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: ...does not necessarily outlive the lifetime `'a` as defined here [INFO] [stdout] --> src/lib.rs:68:6 [INFO] [stdout] | [INFO] [stdout] 68 | impl<'a> Buffer for BufferedReader<'a> { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied [INFO] [stdout] --> src/lib.rs:98:10 [INFO] [stdout] | [INFO] [stdout] 98 | impl<'a> Iterator<(String,String,String)> for CopyingParser<'a> { [INFO] [stdout] | ^^^^^^^^ expected 0 generic arguments [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0046]: not all trait items implemented, missing: `Item` [INFO] [stdout] --> src/lib.rs:98:1 [INFO] [stdout] | [INFO] [stdout] 98 | impl<'a> Iterator<(String,String,String)> for CopyingParser<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Item` in implementation [INFO] [stdout] | [INFO] [stdout] = help: implement the missing item: `type Item = /* Type */;` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: method not compatible with trait [INFO] [stdout] --> src/lib.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | fn next_line<'a>(&'a mut self) -> Option<&'a str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch [INFO] [stdout] | [INFO] [stdout] = note: expected signature `fn(&'a mut BufferedReader<'_>) -> Option<&'a _>` [INFO] [stdout] found signature `fn(&'a mut BufferedReader<'_>) -> Option<&'a _>` [INFO] [stdout] note: the lifetime `'a` as defined here... [INFO] [stdout] --> src/lib.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | fn next_line<'a>(&'a mut self) -> Option<&'a str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: ...does not necessarily outlive the lifetime `'a` as defined here [INFO] [stdout] --> src/lib.rs:68:6 [INFO] [stdout] | [INFO] [stdout] 68 | impl<'a> Buffer for BufferedReader<'a> { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied [INFO] [stdout] --> src/lib.rs:98:10 [INFO] [stdout] | [INFO] [stdout] 98 | impl<'a> Iterator<(String,String,String)> for CopyingParser<'a> { [INFO] [stdout] | ^^^^^^^^ expected 0 generic arguments [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0046]: not all trait items implemented, missing: `Item` [INFO] [stdout] --> src/lib.rs:98:1 [INFO] [stdout] | [INFO] [stdout] 98 | impl<'a> Iterator<(String,String,String)> for CopyingParser<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Item` in implementation [INFO] [stdout] | [INFO] [stdout] = help: implement the missing item: `type Item = /* Type */;` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `slice` found for reference `&'a str` in the current scope [INFO] [stdout] --> src/lib.rs:76:32 [INFO] [stdout] | [INFO] [stdout] 76 | let result = self.file.slice(self.offset, self.offset + LINE.len()); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `split_once` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/str/mod.rs:1734:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `slice` found for reference `&'a str` in the current scope [INFO] [stdout] --> src/lib.rs:76:32 [INFO] [stdout] | [INFO] [stdout] 76 | let result = self.file.slice(self.offset, self.offset + LINE.len()); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `split_once` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/str/mod.rs:1734:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope [INFO] [stdout] --> src/lib.rs:80:26 [INFO] [stdout] | [INFO] [stdout] 80 | Some(self.buffer.as_slice()) [INFO] [stdout] | ^^^^^^^^ method not found in `String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope [INFO] [stdout] --> src/lib.rs:80:26 [INFO] [stdout] | [INFO] [stdout] 80 | Some(self.buffer.as_slice()) [INFO] [stdout] | ^^^^^^^^ method not found in `String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `slice` found for reference `&str` in the current scope [INFO] [stdout] --> src/lib.rs:104:28 [INFO] [stdout] | [INFO] [stdout] 104 | Some((line.slice(0, 3).to_string(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `split_once` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/str/mod.rs:1734:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `slice` found for reference `&str` in the current scope [INFO] [stdout] --> src/lib.rs:104:28 [INFO] [stdout] | [INFO] [stdout] 104 | Some((line.slice(0, 3).to_string(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `split_once` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/str/mod.rs:1734:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `slice` found for reference `&str` in the current scope [INFO] [stdout] --> src/lib.rs:105:28 [INFO] [stdout] | [INFO] [stdout] 105 | line.slice(4, 7).to_string(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `split_once` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/str/mod.rs:1734:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `slice` found for reference `&str` in the current scope [INFO] [stdout] --> src/lib.rs:105:28 [INFO] [stdout] | [INFO] [stdout] 105 | line.slice(4, 7).to_string(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `split_once` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/str/mod.rs:1734:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `slice` found for reference `&str` in the current scope [INFO] [stdout] --> src/lib.rs:106:28 [INFO] [stdout] | [INFO] [stdout] 106 | line.slice(8, 11).to_string())) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `split_once` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/str/mod.rs:1734:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `slice` found for reference `&str` in the current scope [INFO] [stdout] --> src/lib.rs:106:28 [INFO] [stdout] | [INFO] [stdout] 106 | line.slice(8, 11).to_string())) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `split_once` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/str/mod.rs:1734:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `slice` found for reference `&&str` in the current scope [INFO] [stdout] --> src/lib.rs:153:28 [INFO] [stdout] | [INFO] [stdout] 153 | Some((line.slice(0, 3), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `split_once` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/str/mod.rs:1734:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> src/lib.rs:115:5 [INFO] [stdout] | [INFO] [stdout] 115 | b.bytes = file.len() as u64; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-06-14; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> src/lib.rs:116:7 [INFO] [stdout] | [INFO] [stdout] 116 | b.iter(|| { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-06-14; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `slice` found for reference `&&str` in the current scope [INFO] [stdout] --> src/lib.rs:154:28 [INFO] [stdout] | [INFO] [stdout] 154 | line.slice(4, 7), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `split_once` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/str/mod.rs:1734:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope [INFO] [stdout] --> src/lib.rs:117:51 [INFO] [stdout] | [INFO] [stdout] 117 | let mut reader = BufferedReader::new(file.as_slice()); [INFO] [stdout] | ^^^^^^^^ method not found in `String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `slice` found for reference `&&str` in the current scope [INFO] [stdout] --> src/lib.rs:155:28 [INFO] [stdout] | [INFO] [stdout] 155 | line.slice(8, 11))) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `split_once` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/str/mod.rs:1734:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `slice` found for reference `&&str` in the current scope [INFO] [stdout] --> src/lib.rs:153:28 [INFO] [stdout] | [INFO] [stdout] 153 | Some((line.slice(0, 3), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `split_once` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/str/mod.rs:1734:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 19 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0046, E0107, E0308, E0412, E0496, E0599, E0603, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0046`. [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `slice` found for reference `&&str` in the current scope [INFO] [stdout] --> src/lib.rs:154:28 [INFO] [stdout] | [INFO] [stdout] 154 | line.slice(4, 7), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `split_once` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/str/mod.rs:1734:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `slice` found for reference `&&str` in the current scope [INFO] [stdout] --> src/lib.rs:155:28 [INFO] [stdout] | [INFO] [stdout] 155 | line.slice(8, 11))) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `split_once` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9/library/core/src/str/mod.rs:1734:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> src/lib.rs:179:5 [INFO] [stdout] | [INFO] [stdout] 179 | b.bytes = file.len() as u64; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-06-14; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> src/lib.rs:180:7 [INFO] [stdout] | [INFO] [stdout] 180 | b.iter(|| -> () { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-06-14; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope [INFO] [stdout] --> src/lib.rs:181:51 [INFO] [stdout] | [INFO] [stdout] 181 | let mut reader = BufferedReader::new(file.as_slice()); [INFO] [stdout] | ^^^^^^^^ method not found in `String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> src/lib.rs:232:5 [INFO] [stdout] | [INFO] [stdout] 232 | b.bytes = file.len() as u64; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-06-14; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'test' [INFO] [stdout] --> src/lib.rs:233:7 [INFO] [stdout] | [INFO] [stdout] 233 | b.iter(|| -> () { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-06-14; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-slow-iteration-demo` (lib) due to 23 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope [INFO] [stdout] --> src/lib.rs:234:51 [INFO] [stdout] | [INFO] [stdout] 234 | let mut reader = BufferedReader::new(file.as_slice()); [INFO] [stdout] | ^^^^^^^^ method not found in `String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 34 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0046, E0107, E0308, E0412, E0496, E0599, E0603, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0046`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-slow-iteration-demo` (lib test) due to 38 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "7f0a211bc0fd674b4670d78bc783d4b6ef4e994c162e4389834cbb2e02cdc9d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f0a211bc0fd674b4670d78bc783d4b6ef4e994c162e4389834cbb2e02cdc9d9", kill_on_drop: false }` [INFO] [stdout] 7f0a211bc0fd674b4670d78bc783d4b6ef4e994c162e4389834cbb2e02cdc9d9