[INFO] fetching crate peekable_reader 0.0.2...
[INFO] extracting crate peekable_reader 0.0.2 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/peekable_reader/0.0.2
[INFO] extracting crate peekable_reader 0.0.2 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/peekable_reader/0.0.2
[INFO] validating manifest of peekable_reader-0.0.2 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of peekable_reader-0.0.2 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing peekable_reader-0.0.2
[INFO] finished frobbing peekable_reader-0.0.2
[INFO] frobbed toml for peekable_reader-0.0.2 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/peekable_reader/0.0.2/Cargo.toml
[INFO] started frobbing peekable_reader-0.0.2
[INFO] finished frobbing peekable_reader-0.0.2
[INFO] frobbed toml for peekable_reader-0.0.2 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/peekable_reader/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking peekable_reader-0.0.2 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/peekable_reader/0.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 86ddde87db63541fa645ab5bd9d9141b376fd07fa708f18125a46e25f3f1105f
[INFO] running `"docker" "start" "-a" "86ddde87db63541fa645ab5bd9d9141b376fd07fa708f18125a46e25f3f1105f"`
[INFO] [stderr]     Checking peekable_reader v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/lib.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::old_io::IoResult;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/lib.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::old_io::IoResult;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]   --> src/lib.rs:87:14
[INFO] [stderr]    |
[INFO] [stderr] 87 |     use std::old_io::{MemReader, IoError, IoErrorKind, IoResult};
[INFO] [stderr]    |              ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Reader` in this scope
[INFO] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl<R: Reader> PeekableReader<R> {
[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:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 | impl<R: Reader> Reader for PeekableReader<R> {
[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:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | impl<R: Reader> Reader for PeekableReader<R> {
[INFO] [stderr]    |         ^^^^^^ not found in this scope
[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 `peekable_reader`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0405]: cannot find trait `Reader` in this scope
[INFO] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl<R: Reader> PeekableReader<R> {
[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:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 | impl<R: Reader> Reader for PeekableReader<R> {
[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:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | impl<R: Reader> Reader for PeekableReader<R> {
[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:112:10
[INFO] [stderr]     |
[INFO] [stderr] 112 |     impl Reader for MockReaderWithError {
[INFO] [stderr]     |          ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 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 `peekable_reader`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "86ddde87db63541fa645ab5bd9d9141b376fd07fa708f18125a46e25f3f1105f"`
[INFO] running `"docker" "rm" "-f" "86ddde87db63541fa645ab5bd9d9141b376fd07fa708f18125a46e25f3f1105f"`
[INFO] [stdout] 86ddde87db63541fa645ab5bd9d9141b376fd07fa708f18125a46e25f3f1105f