[INFO] updating cached repository ajmwagar/tread [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ajmwagar/tread [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ajmwagar/tread" "work/ex/beta-1.38-1/sources/1.37.0/gh/ajmwagar/tread"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ajmwagar/tread'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ajmwagar/tread" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajmwagar/tread"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajmwagar/tread'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 76b68441bf91b201c2d61bace6f45ac6159f44ae [INFO] sha for GitHub repo ajmwagar/tread: 76b68441bf91b201c2d61bace6f45ac6159f44ae [INFO] validating manifest of ajmwagar/tread 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 ajmwagar/tread 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 ajmwagar/tread [INFO] finished frobbing ajmwagar/tread [INFO] frobbed toml for ajmwagar/tread written to work/ex/beta-1.38-1/sources/1.37.0/gh/ajmwagar/tread/Cargo.toml [INFO] started frobbing ajmwagar/tread [INFO] finished frobbing ajmwagar/tread [INFO] frobbed toml for ajmwagar/tread written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajmwagar/tread/Cargo.toml [INFO] crate ajmwagar/tread already has a lockfile, it will not be regenerated [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 ajmwagar/tread against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ajmwagar/tread:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] ca8992ac0263f760c99eb45f057b8387e4f19819a6ae39f433de996a18a46c33 [INFO] running `"docker" "start" "-a" "ca8992ac0263f760c99eb45f057b8387e4f19819a6ae39f433de996a18a46c33"` [INFO] [stderr] Compiling termion v1.5.2 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling structopt-derive v0.2.15 [INFO] [stderr] Compiling structopt v0.2.15 [INFO] [stderr] Compiling tread v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(duration_float)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Key`, `MouseEvent` [INFO] [stderr] --> src/lib.rs:10:22 [INFO] [stderr] | [INFO] [stderr] 10 | use termion::event::{Key, MouseEvent}; [INFO] [stderr] | ^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `termion::raw::IntoRawMode` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use termion::raw::IntoRawMode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `termion::event::*` [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use termion::event::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `termion::cursor` [INFO] [stderr] --> src/lib.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use termion::cursor; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `MouseTerminal`, `TermRead` [INFO] [stderr] --> src/lib.rs:14:22 [INFO] [stderr] | [INFO] [stderr] 14 | use termion::input::{TermRead, MouseTerminal}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Write`, `self` [INFO] [stderr] --> src/lib.rs:15:15 [INFO] [stderr] | [INFO] [stderr] 15 | use std::io::{self, Write}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `thread`, `time::Duration` [INFO] [stderr] --> src/lib.rs:18:11 [INFO] [stderr] | [INFO] [stderr] 18 | use std::{thread, time::Duration}; [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 E0554`. [INFO] [stderr] error: Could not compile `tread`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "ca8992ac0263f760c99eb45f057b8387e4f19819a6ae39f433de996a18a46c33"` [INFO] running `"docker" "rm" "-f" "ca8992ac0263f760c99eb45f057b8387e4f19819a6ae39f433de996a18a46c33"` [INFO] [stdout] ca8992ac0263f760c99eb45f057b8387e4f19819a6ae39f433de996a18a46c33