[INFO] fetching crate rust-rethinkdb 0.0.1...
[INFO] extracting crate rust-rethinkdb 0.0.1 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/rust-rethinkdb/0.0.1
[INFO] extracting crate rust-rethinkdb 0.0.1 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/rust-rethinkdb/0.0.1
[INFO] validating manifest of rust-rethinkdb-0.0.1 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-rethinkdb-0.0.1 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-rethinkdb-0.0.1
[INFO] finished frobbing rust-rethinkdb-0.0.1
[INFO] frobbed toml for rust-rethinkdb-0.0.1 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/rust-rethinkdb/0.0.1/Cargo.toml
[INFO] started frobbing rust-rethinkdb-0.0.1
[INFO] finished frobbing rust-rethinkdb-0.0.1
[INFO] frobbed toml for rust-rethinkdb-0.0.1 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/rust-rethinkdb/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rust-rethinkdb-0.0.1 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-7/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/rust-rethinkdb/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c78da61227e5a32a0706433fdac850e463ec30a5c21aac1b18f72a5dd032672d
[INFO] running `"docker" "start" "-a" "c78da61227e5a32a0706433fdac850e463ec30a5c21aac1b18f72a5dd032672d"`
[INFO] [stderr]     Checking rust-rethinkdb v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufStream`
[INFO] [stderr]  --> src/lib/client.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{BufStream, Error, Write, Read, BufRead};
[INFO] [stderr]   |               ^^^^^^^^^ no `BufStream` in `io`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/lib/client.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/lib/client.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustc_serialize::json::Json`
[INFO] [stderr]  --> src/lib/test.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rustc_serialize::json::Json;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string::String`
[INFO] [stderr]  --> src/lib/test.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::string::String;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::BTreeMap`
[INFO] [stderr]  --> src/lib/test.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::collections::BTreeMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RethinkDB`
[INFO] [stderr]  --> src/lib/test.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use RethinkDB;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `api::*`
[INFO] [stderr]  --> src/lib/test.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use api::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufStream`
[INFO] [stderr]  --> src/lib/client.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{BufStream, Error, Write, Read, BufRead};
[INFO] [stderr]   |               ^^^^^^^^^ no `BufStream` in `io`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/lib/client.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/lib/client.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustc_serialize::json`
[INFO] [stderr]  --> src/lib/test.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rustc_serialize::json;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]  --> src/lib/test.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[warn(unused_imports)]
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string::String`
[INFO] [stderr]  --> src/lib/test.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::string::String;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/lib/client.rs:7:40
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{BufStream, Error, Write, Read, BufRead};
[INFO] [stderr]   |                                        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/lib/client.rs:7:46
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{BufStream, Error, Write, Read, BufRead};
[INFO] [stderr]   |                                              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `rust-rethinkdb`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/lib/client.rs:7:40
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{BufStream, Error, Write, Read, BufRead};
[INFO] [stderr]   |                                        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/lib/client.rs:7:46
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{BufStream, Error, Write, Read, BufRead};
[INFO] [stderr]   |                                              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `rust-rethinkdb`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c78da61227e5a32a0706433fdac850e463ec30a5c21aac1b18f72a5dd032672d"`
[INFO] running `"docker" "rm" "-f" "c78da61227e5a32a0706433fdac850e463ec30a5c21aac1b18f72a5dd032672d"`
[INFO] [stdout] c78da61227e5a32a0706433fdac850e463ec30a5c21aac1b18f72a5dd032672d