[INFO] updating cached repository emk/rust-slow-iteration-demo [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/emk/rust-slow-iteration-demo [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/emk/rust-slow-iteration-demo" "work/ex/beta-1.38-1/sources/1.37.0/gh/emk/rust-slow-iteration-demo"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/emk/rust-slow-iteration-demo'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/emk/rust-slow-iteration-demo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/emk/rust-slow-iteration-demo"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/emk/rust-slow-iteration-demo'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f2ea535c506de87273be0529ef77b4ce8c19681b [INFO] sha for GitHub repo emk/rust-slow-iteration-demo: f2ea535c506de87273be0529ef77b4ce8c19681b [INFO] validating manifest of emk/rust-slow-iteration-demo on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of emk/rust-slow-iteration-demo on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing emk/rust-slow-iteration-demo [INFO] finished frobbing emk/rust-slow-iteration-demo [INFO] frobbed toml for emk/rust-slow-iteration-demo written to work/ex/beta-1.38-1/sources/1.37.0/gh/emk/rust-slow-iteration-demo/Cargo.toml [INFO] started frobbing emk/rust-slow-iteration-demo [INFO] finished frobbing emk/rust-slow-iteration-demo [INFO] frobbed toml for emk/rust-slow-iteration-demo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/emk/rust-slow-iteration-demo/Cargo.toml [INFO] crate emk/rust-slow-iteration-demo already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing emk/rust-slow-iteration-demo against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/emk/rust-slow-iteration-demo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 0f848b6e7cf759d8fe0043769b81e73b4088aba5cee13307d791ec58adc16732 [INFO] running `"docker" "start" "-a" "0f848b6e7cf759d8fe0043769b81e73b4088aba5cee13307d791ec58adc16732"` [INFO] [stderr] Compiling rust-slow-iteration-demo v0.0.1 (/opt/crater/workdir) [INFO] [stderr] error: invalid suffix `u` for integer literal [INFO] [stderr] --> src/lib.rs:35:20 [INFO] [stderr] | [INFO] [stderr] 35 | for _ in range(0u, 200) { result.push_str(LINE); } [INFO] [stderr] | ^^ invalid suffix `u` [INFO] [stderr] | [INFO] [stderr] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stderr] --> src/lib.rs:112:3 [INFO] [stderr] | [INFO] [stderr] 112 | #[bench] [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/50297 [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stderr] --> src/lib.rs:176:3 [INFO] [stderr] | [INFO] [stderr] 176 | #[bench] [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/50297 [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stderr] --> src/lib.rs:229:3 [INFO] [stderr] | [INFO] [stderr] 229 | #[bench] [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/50297 [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `uint` in this scope [INFO] [stderr] --> src/lib.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | offset: uint, [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0603]: module `range` is private [INFO] [stderr] --> src/lib.rs:23:16 [INFO] [stderr] | [INFO] [stderr] 23 | use std::iter::range; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | #![feature(macro_rules, trace_macros)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:214:1 [INFO] [stderr] | [INFO] [stderr] 214 | / macro_rules! streaming_for { [INFO] [stderr] 215 | | ($var:pat in $expr:expr, $b:stmt) => { [INFO] [stderr] 216 | | { [INFO] [stderr] 217 | | // Only evaluate once! [INFO] [stderr] ... | [INFO] [stderr] 226 | | }; [INFO] [stderr] 227 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'test' [INFO] [stderr] --> src/lib.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | extern crate test; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/50297 [INFO] [stderr] [INFO] [stderr] error[E0496]: lifetime name `'a` shadows a lifetime name that is already in scope [INFO] [stderr] --> src/lib.rs:74:18 [INFO] [stderr] | [INFO] [stderr] 68 | impl<'a> Buffer for BufferedReader<'a> { [INFO] [stderr] | -- first declared here [INFO] [stderr] ... [INFO] [stderr] 74 | fn next_line<'a>(&'a mut self) -> Option<&'a str> { [INFO] [stderr] | ^^ lifetime 'a already in scope [INFO] [stderr] [INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1 [INFO] [stderr] --> src/lib.rs:98:19 [INFO] [stderr] | [INFO] [stderr] 98 | impl<'a> Iterator<(String,String,String)> for CopyingParser<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ unexpected type argument [INFO] [stderr] [INFO] [stderr] error: aborting due to 10 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0107, E0412, E0496, E0554, E0603, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0107`. [INFO] [stderr] error: Could not compile `rust-slow-iteration-demo`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "0f848b6e7cf759d8fe0043769b81e73b4088aba5cee13307d791ec58adc16732"` [INFO] running `"docker" "rm" "-f" "0f848b6e7cf759d8fe0043769b81e73b4088aba5cee13307d791ec58adc16732"` [INFO] [stdout] 0f848b6e7cf759d8fe0043769b81e73b4088aba5cee13307d791ec58adc16732