[INFO] updating cached repository mkjois/twenty48
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mkjois/twenty48
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mkjois/twenty48" "work/ex/beta-1.38-1/sources/1.37.0/gh/mkjois/twenty48"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mkjois/twenty48'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mkjois/twenty48" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkjois/twenty48"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkjois/twenty48'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 37e4c542d686168b8e958edafecd153829d3adcb
[INFO] sha for GitHub repo mkjois/twenty48: 37e4c542d686168b8e958edafecd153829d3adcb
[INFO] validating manifest of mkjois/twenty48 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 mkjois/twenty48 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 mkjois/twenty48
[INFO] finished frobbing mkjois/twenty48
[INFO] frobbed toml for mkjois/twenty48 written to work/ex/beta-1.38-1/sources/1.37.0/gh/mkjois/twenty48/Cargo.toml
[INFO] started frobbing mkjois/twenty48
[INFO] finished frobbing mkjois/twenty48
[INFO] frobbed toml for mkjois/twenty48 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkjois/twenty48/Cargo.toml
[INFO] crate mkjois/twenty48 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mkjois/twenty48/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/jeaye/ncurses-rs.git`
[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]     Updating git repository `https://github.com/jeaye/ncurses-rs.git`
[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 mkjois/twenty48 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mkjois/twenty48:/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] 1baa7d9f0e379f5bc376e645af49e059a41cda95e5ceb192988652a3376f4658
[INFO] running `"docker" "start" "-a" "1baa7d9f0e379f5bc376e645af49e059a41cda95e5ceb192988652a3376f4658"`
[INFO] [stderr]    Compiling ncurses v5.99.0 (https://github.com/jeaye/ncurses-rs.git#a52dbb37)
[INFO] [stderr]    Compiling twenty48 v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/util.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::old_io;
[INFO] [stderr]   |     ^^^^^^^^^^^ no `old_io` in the root
[INFO] [stderr] 
[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(io,core)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `board::Status::*`
[INFO] [stderr]  --> src/board.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use board::Status::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `board::Action: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/board.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[derive(Copy)]
[INFO] [stderr]    |          ^^^^ the trait `std::clone::Clone` is not implemented for `board::Action`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `board::Status: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/board.rs:23:10
[INFO] [stderr]    |
[INFO] [stderr] 23 | #[derive(Copy)]
[INFO] [stderr]    |          ^^^^ the trait `std::clone::Clone` is not implemented for `board::Status`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `agent::HumanAgent: std::clone::Clone` is not satisfied
[INFO] [stderr]  --> src/agent.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Copy)]
[INFO] [stderr]   |          ^^^^ the trait `std::clone::Clone` is not implemented for `agent::HumanAgent`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `agent::RandomAgent: std::clone::Clone` is not satisfied
[INFO] [stderr]  --> src/agent.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[derive(Copy)]
[INFO] [stderr]   |          ^^^^ the trait `std::clone::Clone` is not implemented for `agent::RandomAgent`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `twenty48`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1baa7d9f0e379f5bc376e645af49e059a41cda95e5ceb192988652a3376f4658"`
[INFO] running `"docker" "rm" "-f" "1baa7d9f0e379f5bc376e645af49e059a41cda95e5ceb192988652a3376f4658"`
[INFO] [stdout] 1baa7d9f0e379f5bc376e645af49e059a41cda95e5ceb192988652a3376f4658