[INFO] crate gopher 0.0.3 is already in cache [INFO] extracting crate gopher 0.0.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/gopher/0.0.3 [INFO] extracting crate gopher 0.0.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gopher/0.0.3 [INFO] validating manifest of gopher-0.0.3 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 gopher-0.0.3 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 gopher-0.0.3 [INFO] finished frobbing gopher-0.0.3 [INFO] frobbed toml for gopher-0.0.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/gopher/0.0.3/Cargo.toml [INFO] started frobbing gopher-0.0.3 [INFO] finished frobbing gopher-0.0.3 [INFO] frobbed toml for gopher-0.0.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gopher/0.0.3/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] [stderr] Blocking waiting for file lock on package cache [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 gopher-0.0.3 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-5/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/gopher/0.0.3:/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] 3ad7ac219d006ebc1361faef2a79bc544433557a73d421747160ab80759c339c [INFO] running `"docker" "start" "-a" "3ad7ac219d006ebc1361faef2a79bc544433557a73d421747160ab80759c339c"` [INFO] [stderr] Compiling gopher v0.0.3 (/opt/crater/workdir) [INFO] [stderr] error[E0433]: failed to resolve: could not find `net` in `io` [INFO] [stderr] --> src/client.rs:2:14 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::net::tcp::TcpStream; [INFO] [stderr] | ^^^ could not find `net` in `io` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::io::IoResult` [INFO] [stderr] --> src/client.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::IoResult; [INFO] [stderr] | ^^^^^^^^^-------- [INFO] [stderr] | | | [INFO] [stderr] | | help: a similar name exists in the module: `Result` [INFO] [stderr] | no `IoResult` in `io` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::io::BufferedReader` [INFO] [stderr] --> src/client.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | use std::io::BufferedReader; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved imports `std::io::Reader`, `std::io::IoResult` [INFO] [stderr] --> src/protocol.rs:3:15 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Reader, IoResult}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^ no `IoResult` in `io` [INFO] [stderr] | | [INFO] [stderr] | no `Reader` in `io` [INFO] [stderr] help: a similar name exists in the module [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Read, IoResult}; [INFO] [stderr] | ^^^^ [INFO] [stderr] help: a similar name exists in the module [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Reader, Result}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `TcpStream` [INFO] [stderr] --> src/client.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | TcpStream::connect((self.host.as_slice(), self.port)) [INFO] [stderr] | ^^^^^^^^^ use of undeclared type or module `TcpStream` [INFO] [stderr] [INFO] [stderr] error: cannot find attribute macro `deriving` in this scope [INFO] [stderr] --> src/protocol.rs:6:3 [INFO] [stderr] | [INFO] [stderr] 6 | #[deriving(Copy, Show, PartialEq, Eq, FromPrimitive)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: cannot find attribute macro `deriving` in this scope [INFO] [stderr] --> src/protocol.rs:26:3 [INFO] [stderr] | [INFO] [stderr] 26 | #[deriving(Copy, Show, PartialEq, Eq)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: cannot find attribute macro `deriving` in this scope [INFO] [stderr] --> src/protocol.rs:41:3 [INFO] [stderr] | [INFO] [stderr] 41 | #[deriving(Show, PartialEq, Eq)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `FromPrimitive` [INFO] [stderr] --> src/protocol.rs:34:15 [INFO] [stderr] | [INFO] [stderr] 34 | match FromPrimitive::from_u8(byte) { [INFO] [stderr] | ^^^^^^^^^^^^^ use of undeclared type or module `FromPrimitive` [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `TcpStream` in this scope [INFO] [stderr] --> src/client.rs:39:35 [INFO] [stderr] | [INFO] [stderr] 39 | fn connect(&self) -> IoResult { [INFO] [stderr] | ^^^^^^^^^ not found in this scope [INFO] [stderr] help: possible candidate is found in another module, you can import it into scope [INFO] [stderr] | [INFO] [stderr] 1 | use std::net::TcpStream; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(globs)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead [INFO] [stderr] --> src/protocol.rs:78:21 [INFO] [stderr] | [INFO] [stderr] 78 | reader: box reader as Box, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/49733 [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::net::tcp::TcpStream` [INFO] [stderr] --> src/client.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::net::tcp::TcpStream; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/protocol.rs:64:17 [INFO] [stderr] | [INFO] [stderr] 64 | reader: Box, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn Reader + 'a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to 12 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0412, E0432, E0433, E0554, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0412`. [INFO] [stderr] error: Could not compile `gopher`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "3ad7ac219d006ebc1361faef2a79bc544433557a73d421747160ab80759c339c"` [INFO] running `"docker" "rm" "-f" "3ad7ac219d006ebc1361faef2a79bc544433557a73d421747160ab80759c339c"` [INFO] [stdout] 3ad7ac219d006ebc1361faef2a79bc544433557a73d421747160ab80759c339c