[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] testing emk/rust-slow-iteration-demo against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Frust-slow-iteration-demo" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/emk/rust-slow-iteration-demo on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-2/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd9f3f2f6a4ba8a41dede4e957092ac389182a93f0c6b5b2a0bcfdc67fd33eca [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bd9f3f2f6a4ba8a41dede4e957092ac389182a93f0c6b5b2a0bcfdc67fd33eca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd9f3f2f6a4ba8a41dede4e957092ac389182a93f0c6b5b2a0bcfdc67fd33eca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd9f3f2f6a4ba8a41dede4e957092ac389182a93f0c6b5b2a0bcfdc67fd33eca", kill_on_drop: false }` [INFO] [stdout] bd9f3f2f6a4ba8a41dede4e957092ac389182a93f0c6b5b2a0bcfdc67fd33eca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1bf0c9a17773f3681c7e9df729cdd4e5a67a45bfd8227374e11aa5eb5b08d5a2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1bf0c9a17773f3681c7e9df729cdd4e5a67a45bfd8227374e11aa5eb5b08d5a2", kill_on_drop: false }` [INFO] [stderr] Compiling rust-slow-iteration-demo v0.0.1 (/opt/rustwide/workdir) [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[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] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | #![feature(macro_rules, trace_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: the feature `macro_rules` has been stable since 1.0.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 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] = note: `#[warn(soft_unstable)]` on by default [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: 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] warning: 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[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] [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[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:20:25 [INFO] [stdout] | [INFO] [stdout] 20 | #![feature(macro_rules, trace_macros)] [INFO] [stdout] | ^^^^^^^^^^^^ [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[E0107]: this 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] | ^^^^^^^^------------------------ help: remove these generics [INFO] [stdout] | | [INFO] [stdout] | expected 0 generic arguments [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0107, E0412, E0496, E0554, E0603, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0107`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-slow-iteration-demo` due to 9 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "1bf0c9a17773f3681c7e9df729cdd4e5a67a45bfd8227374e11aa5eb5b08d5a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bf0c9a17773f3681c7e9df729cdd4e5a67a45bfd8227374e11aa5eb5b08d5a2", kill_on_drop: false }` [INFO] [stdout] 1bf0c9a17773f3681c7e9df729cdd4e5a67a45bfd8227374e11aa5eb5b08d5a2