[INFO] fetching crate gopher 0.0.3...
[INFO] checking gopher-0.0.3 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate gopher 0.0.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate gopher 0.0.3 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gopher 0.0.3
[INFO] finished tweaking crates.io crate gopher 0.0.3
[INFO] tweaked toml for crates.io crate gopher 0.0.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e48a8c69b85526ba1937bef2f4f3fb698d4215ee8136c1aabd36c0194733d204
[INFO] running `Command { std: "docker" "start" "-a" "e48a8c69b85526ba1937bef2f4f3fb698d4215ee8136c1aabd36c0194733d204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e48a8c69b85526ba1937bef2f4f3fb698d4215ee8136c1aabd36c0194733d204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48a8c69b85526ba1937bef2f4f3fb698d4215ee8136c1aabd36c0194733d204", kill_on_drop: false }`
[INFO] [stdout] e48a8c69b85526ba1937bef2f4f3fb698d4215ee8136c1aabd36c0194733d204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dd1f6e76be9ea8e6f4bb0bb7d5da0b12943a3a1ff0102cec2480daf69538b4c
[INFO] running `Command { std: "docker" "start" "-a" "2dd1f6e76be9ea8e6f4bb0bb7d5da0b12943a3a1ff0102cec2480daf69538b4c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking gopher v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/protocol.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |             reader: box reader as Box<Reader>,
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 78 |             reader: Box::new(reader) as Box<Reader>,
[INFO] [stdout]    |                     ~~~~~~~~~      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/protocol.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |             reader: box reader as Box<Reader>,
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 78 |             reader: Box::new(reader) as Box<Reader>,
[INFO] [stdout]    |                     ~~~~~~~~~      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `net` in `io`
[INFO] [stdout]  --> src/client.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::net::tcp::TcpStream;
[INFO] [stdout]   |              ^^^ could not find `net` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::IoResult`
[INFO] [stdout]  --> src/client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::IoResult;
[INFO] [stdout]   |     ^^^^^^^^^--------
[INFO] [stdout]   |     |        |
[INFO] [stdout]   |     |        help: a similar name exists in the module: `Result`
[INFO] [stdout]   |     no `IoResult` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `net` in `io`
[INFO] [stdout]  --> src/client.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::net::tcp::TcpStream;
[INFO] [stdout]   |              ^^^ could not find `net` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stdout]   --> src/client.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         use std::io::BufferedReader;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::Reader`, `std::io::IoResult`
[INFO] [stdout]  --> src/protocol.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Reader, IoResult};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^^ no `IoResult` in `io`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `Reader` in `io`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, IoResult};
[INFO] [stdout]   |               ~~~~
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Reader, Result};
[INFO] [stdout]   |                       ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::IoResult`
[INFO] [stdout]  --> src/client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::IoResult;
[INFO] [stdout]   |     ^^^^^^^^^--------
[INFO] [stdout]   |     |        |
[INFO] [stdout]   |     |        help: a similar name exists in the module: `Result`
[INFO] [stdout]   |     no `IoResult` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stdout]   --> src/client.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         use std::io::BufferedReader;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]  --> src/protocol.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[deriving(Copy, Show, PartialEq, Eq, FromPrimitive)]
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::Reader`, `std::io::IoResult`
[INFO] [stdout]  --> src/protocol.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Reader, IoResult};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^^ no `IoResult` in `io`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `Reader` in `io`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, IoResult};
[INFO] [stdout]   |               ~~~~
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Reader, Result};
[INFO] [stdout]   |                       ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/protocol.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[deriving(Copy, Show, PartialEq, Eq)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]  --> src/protocol.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[deriving(Copy, Show, PartialEq, Eq, FromPrimitive)]
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/protocol.rs:41:3
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[deriving(Show, PartialEq, Eq)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/protocol.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[deriving(Copy, Show, PartialEq, Eq)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/protocol.rs:41:3
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[deriving(Show, PartialEq, Eq)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FromPrimitive`
[INFO] [stdout]   --> src/protocol.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         match FromPrimitive::from_u8(byte) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^ use of undeclared type `FromPrimitive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FromPrimitive`
[INFO] [stdout]   --> src/protocol.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         match FromPrimitive::from_u8(byte) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^ use of undeclared type `FromPrimitive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gopher` (lib) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `gopher` (lib test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "2dd1f6e76be9ea8e6f4bb0bb7d5da0b12943a3a1ff0102cec2480daf69538b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd1f6e76be9ea8e6f4bb0bb7d5da0b12943a3a1ff0102cec2480daf69538b4c", kill_on_drop: false }`
[INFO] [stdout] 2dd1f6e76be9ea8e6f4bb0bb7d5da0b12943a3a1ff0102cec2480daf69538b4c