[INFO] updating cached repository justinj/last-layer-algs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/justinj/last-layer-algs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/justinj/last-layer-algs" "work/ex/beta-1.38-1/sources/1.37.0/gh/justinj/last-layer-algs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/justinj/last-layer-algs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/justinj/last-layer-algs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinj/last-layer-algs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinj/last-layer-algs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] de67ade8d71983d3212403132647f244448ff666 [INFO] sha for GitHub repo justinj/last-layer-algs: de67ade8d71983d3212403132647f244448ff666 [INFO] validating manifest of justinj/last-layer-algs 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 justinj/last-layer-algs 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 justinj/last-layer-algs [INFO] finished frobbing justinj/last-layer-algs [INFO] frobbed toml for justinj/last-layer-algs written to work/ex/beta-1.38-1/sources/1.37.0/gh/justinj/last-layer-algs/Cargo.toml [INFO] started frobbing justinj/last-layer-algs [INFO] finished frobbing justinj/last-layer-algs [INFO] frobbed toml for justinj/last-layer-algs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinj/last-layer-algs/Cargo.toml [INFO] crate justinj/last-layer-algs 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 justinj/last-layer-algs 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/justinj/last-layer-algs:/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] f88ae2f57302610a4fa81c8cdae9cee98d2ff2932a8f7828b24880be1c77b3ca [INFO] running `"docker" "start" "-a" "f88ae2f57302610a4fa81c8cdae9cee98d2ff2932a8f7828b24880be1c77b3ca"` [INFO] [stderr] Compiling curl-sys v0.2.5 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling num-complex v0.1.35 [INFO] [stderr] Compiling num-bigint v0.1.35 [INFO] [stderr] Compiling time v0.1.35 [INFO] [stderr] Compiling num-rational v0.1.35 [INFO] [stderr] Compiling num v0.1.36 [INFO] [stderr] Compiling cairo v0.0.4 [INFO] [stderr] Compiling curl v0.3.11 [INFO] [stderr] Compiling oauth-client v0.1.4 (https://github.com/justinj/oauth-client-rs#649fe40d) [INFO] [stderr] Compiling last-layer-algs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/algorithm.rs:16:20 [INFO] [stderr] | [INFO] [stderr] 16 | type Err = Box; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/algorithm_iterator.rs:48:65 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn from_starting_algorithm(s: &str) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tweet.rs:25:32 [INFO] [stderr] | [INFO] [stderr] 25 | fn next_or_err(lines: &mut Iterator) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tweet.rs:25:75 [INFO] [stderr] | [INFO] [stderr] 25 | fn next_or_err(lines: &mut Iterator) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tweet.rs:29:35 [INFO] [stderr] | [INFO] [stderr] 29 | fn load() -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tweet.rs:55:90 [INFO] [stderr] | [INFO] [stderr] 55 | fn upload_image(consumer: &Token, access: &Token, filename: &str) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tweet.rs:74:101 [INFO] [stderr] | [INFO] [stderr] 74 | pub fn post_tweet(consumer: &Token, access: &Token, status: &str, filename: &str) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tweet.rs:85:65 [INFO] [stderr] | [INFO] [stderr] 85 | pub fn tweet(alg: &str, image_filename: &str) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: unused imports: `D`, `FPRIME`, `F`, `RPRIME`, `R`, `UPRIME`, `U` [INFO] [stderr] --> src/f2l_cubestate.rs:6:31 [INFO] [stderr] | [INFO] [stderr] 6 | use generator::move_indices::{F, R, U, RPRIME, UPRIME, FPRIME, D}; [INFO] [stderr] | ^ ^ ^ ^^^^^^ ^^^^^^ ^^^^^^ ^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `cubestate::CubeState` [INFO] [stderr] --> src/f2l_cubestate.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use cubestate::CubeState; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:39:49 [INFO] [stderr] | [INFO] [stderr] 39 | fn alg_following(s: &str) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:45:41 [INFO] [stderr] | [INFO] [stderr] 45 | fn get_last_alg() -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:53:45 [INFO] [stderr] | [INFO] [stderr] 53 | fn write_alg(alg: String) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:59:38 [INFO] [stderr] | [INFO] [stderr] 59 | fn prepare_tweet() -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [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 `last-layer-algs`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "f88ae2f57302610a4fa81c8cdae9cee98d2ff2932a8f7828b24880be1c77b3ca"` [INFO] running `"docker" "rm" "-f" "f88ae2f57302610a4fa81c8cdae9cee98d2ff2932a8f7828b24880be1c77b3ca"` [INFO] [stdout] f88ae2f57302610a4fa81c8cdae9cee98d2ff2932a8f7828b24880be1c77b3ca