[INFO] updating cached repository andrewclarkson/yaml.rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/andrewclarkson/yaml.rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/andrewclarkson/yaml.rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/andrewclarkson/yaml.rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/andrewclarkson/yaml.rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/andrewclarkson/yaml.rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andrewclarkson/yaml.rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andrewclarkson/yaml.rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2cebc724c305af47b3abff75202f0055163bfb4e [INFO] sha for GitHub repo andrewclarkson/yaml.rs: 2cebc724c305af47b3abff75202f0055163bfb4e [INFO] validating manifest of andrewclarkson/yaml.rs on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of andrewclarkson/yaml.rs on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing andrewclarkson/yaml.rs [INFO] finished frobbing andrewclarkson/yaml.rs [INFO] frobbed toml for andrewclarkson/yaml.rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/andrewclarkson/yaml.rs/Cargo.toml [INFO] started frobbing andrewclarkson/yaml.rs [INFO] finished frobbing andrewclarkson/yaml.rs [INFO] frobbed toml for andrewclarkson/yaml.rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andrewclarkson/yaml.rs/Cargo.toml [INFO] crate andrewclarkson/yaml.rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing andrewclarkson/yaml.rs against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/andrewclarkson/yaml.rs:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 202dad84b452ef517fe6cf869d6bfd47cdb74ff6feda1b9e8c0c9265114f71b8 [INFO] running `"docker" "start" "-a" "202dad84b452ef517fe6cf869d6bfd47cdb74ff6feda1b9e8c0c9265114f71b8"` [INFO] [stderr] Compiling yaml v0.0.0 (/opt/crater/workdir) [INFO] [stderr] error[E0432]: unresolved imports `std::io::IoResult`, `std::io::MemReader` [INFO] [stderr] --> src/lib.rs:10:15 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::{IoResult, MemReader}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^ no `MemReader` in `io` [INFO] [stderr] | | [INFO] [stderr] | no `IoResult` in `io` [INFO] [stderr] help: a similar name exists in the module [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::{Result, MemReader}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] help: a similar name exists in the module [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::{IoResult, BufReader}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::io::MemReader` [INFO] [stderr] --> src/lib.rs:421:9 [INFO] [stderr] | [INFO] [stderr] 421 | use std::io::MemReader; [INFO] [stderr] | ^^^^^^^^^--------- [INFO] [stderr] | | | [INFO] [stderr] | | help: a similar name exists in the module: `BufReader` [INFO] [stderr] | no `MemReader` in `io` [INFO] [stderr] [INFO] [stderr] error[E0405]: cannot find trait `Reader` in this scope [INFO] [stderr] --> src/lib.rs:20:17 [INFO] [stderr] | [INFO] [stderr] 20 | reader: Box, [INFO] [stderr] | ^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0405]: cannot find trait `Reader` in this scope [INFO] [stderr] --> src/lib.rs:27:19 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn new(reader: Box) -> Tokenizer<'a> { [INFO] [stderr] | ^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Cow` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::borrow::Cow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/lib.rs:48:11 [INFO] [stderr] | [INFO] [stderr] 48 | if(self.stack.len() == 0) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Token`, `Tokenizer` [INFO] [stderr] --> src/lib.rs:422:17 [INFO] [stderr] | [INFO] [stderr] 422 | use super::{Tokenizer, Token}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::Token::*` [INFO] [stderr] --> src/lib.rs:423:9 [INFO] [stderr] | [INFO] [stderr] 423 | use super::Token::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0405, E0432. [INFO] [stderr] For more information about an error, try `rustc --explain E0405`. [INFO] [stderr] error: Could not compile `yaml`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "202dad84b452ef517fe6cf869d6bfd47cdb74ff6feda1b9e8c0c9265114f71b8"` [INFO] running `"docker" "rm" "-f" "202dad84b452ef517fe6cf869d6bfd47cdb74ff6feda1b9e8c0c9265114f71b8"` [INFO] [stdout] 202dad84b452ef517fe6cf869d6bfd47cdb74ff6feda1b9e8c0c9265114f71b8