[INFO] crate rust-rethinkdb 0.0.1 is already in cache [INFO] extracting crate rust-rethinkdb 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/rust-rethinkdb/0.0.1 [INFO] extracting crate rust-rethinkdb 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-rethinkdb/0.0.1 [INFO] validating manifest of rust-rethinkdb-0.0.1 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 rust-rethinkdb-0.0.1 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 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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/reg/rust-rethinkdb/0.0.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 rust-rethinkdb-0.0.1 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-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=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] 57e68d4ba24679122b4f044d09fd570cc241364981ab4f95a12f762beac9c61e [INFO] running `"docker" "start" "-a" "57e68d4ba24679122b4f044d09fd570cc241364981ab4f95a12f762beac9c61e"` [INFO] [stderr] Compiling 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] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib/mod.rs:1:2 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(core)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [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] 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 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0554. [INFO] [stderr] For more information about an 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" "57e68d4ba24679122b4f044d09fd570cc241364981ab4f95a12f762beac9c61e"` [INFO] running `"docker" "rm" "-f" "57e68d4ba24679122b4f044d09fd570cc241364981ab4f95a12f762beac9c61e"` [INFO] [stdout] 57e68d4ba24679122b4f044d09fd570cc241364981ab4f95a12f762beac9c61e