[INFO] crate memstream 0.0.1 is already in cache
[INFO] extracting crate memstream 0.0.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/memstream/0.0.1
[INFO] extracting crate memstream 0.0.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/memstream/0.0.1
[INFO] validating manifest of memstream-0.0.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of memstream-0.0.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing memstream-0.0.1
[INFO] finished frobbing memstream-0.0.1
[INFO] frobbed toml for memstream-0.0.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/memstream/0.0.1/Cargo.toml
[INFO] started frobbing memstream-0.0.1
[INFO] finished frobbing memstream-0.0.1
[INFO] frobbed toml for memstream-0.0.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/memstream/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking memstream-0.0.1 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/memstream/0.0.1:/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=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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ce2c4619733eb624451aaccb1615fd720603cec525f5e5e24e73a6d36b1af7a4
[INFO] running `"docker" "start" "-a" "ce2c4619733eb624451aaccb1615fd720603cec525f5e5e24e73a6d36b1af7a4"`
[INFO] [stderr]     Checking memstream v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unknown lint: `missing_doc`
[INFO] [stderr]  --> src/lib.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![deny(missing_doc)]
[INFO] [stderr]   |         ^^^^^^^^^^^ help: did you mean: `missing_docs`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `missing_doc`
[INFO] [stderr]  --> src/lib.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![deny(missing_doc)]
[INFO] [stderr]   |         ^^^^^^^^^^^ help: did you mean: `missing_docs`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]   --> src/lib.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     extern crate test;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]    = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for type `MemStream` in the current scope
[INFO] [stderr]   --> src/lib.rs:79:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct MemStream {
[INFO] [stderr]    | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 79 |         stream.write([0, 1, 2, 3]).unwrap();
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]            `use std::io::Write;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for type `MemStream` in the current scope
[INFO] [stderr]   --> src/lib.rs:80:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct MemStream {
[INFO] [stderr]    | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 80 |         stream.write([4, 5, 6, 7]).unwrap();
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]            `use std::io::Write;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for type `MemStream` in the current scope
[INFO] [stderr]   --> src/lib.rs:84:27
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct MemStream {
[INFO] [stderr]    | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 84 |         assert_eq!(stream.read(buf), Ok(0));
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]            `use std::io::Read;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for type `MemStream` in the current scope
[INFO] [stderr]   --> src/lib.rs:86:27
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct MemStream {
[INFO] [stderr]    | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 86 |         assert_eq!(stream.read(buf), Ok(1));
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]            `use std::io::Read;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `[{integer}; 1]` in the current scope
[INFO] [stderr]   --> src/lib.rs:88:24
[INFO] [stderr]    |
[INFO] [stderr] 88 |         assert_eq!(buf.as_slice(), b);
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]            `use std::array::FixedSizeArray;`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:89:27
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let mut buf = [0, ..4];
[INFO] [stderr]    |                           ^^^ expected integer, found struct `std::ops::RangeTo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `{integer}`
[INFO] [stderr]               found type `std::ops::RangeTo<{integer}>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for type `MemStream` in the current scope
[INFO] [stderr]   --> src/lib.rs:90:27
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct MemStream {
[INFO] [stderr]    | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 90 |         assert_eq!(stream.read(buf), Ok(4));
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]            `use std::io::Read;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for type `MemStream` in the current scope
[INFO] [stderr]   --> src/lib.rs:93:27
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct MemStream {
[INFO] [stderr]    | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 93 |         assert_eq!(stream.read(buf), Ok(3));
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]            `use std::io::Read;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for type `MemStream` in the current scope
[INFO] [stderr]   --> src/lib.rs:96:24
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct MemStream {
[INFO] [stderr]    | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 96 |         assert!(stream.read(buf).is_err());
[INFO] [stderr]    |                        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]            `use std::io::Read;`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `memstream`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ce2c4619733eb624451aaccb1615fd720603cec525f5e5e24e73a6d36b1af7a4"`
[INFO] running `"docker" "rm" "-f" "ce2c4619733eb624451aaccb1615fd720603cec525f5e5e24e73a6d36b1af7a4"`
[INFO] [stdout] ce2c4619733eb624451aaccb1615fd720603cec525f5e5e24e73a6d36b1af7a4