[INFO] updating cached repository monte-language/rum [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/monte-language/rum [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/monte-language/rum" "work/ex/beta-1.38-1/sources/1.37.0/gh/monte-language/rum"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/monte-language/rum'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/monte-language/rum" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/monte-language/rum"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/monte-language/rum'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ab3ad785838f46a867b49d0e41280befd1d3a5bd [INFO] sha for GitHub repo monte-language/rum: ab3ad785838f46a867b49d0e41280befd1d3a5bd [INFO] validating manifest of monte-language/rum 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 monte-language/rum 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 monte-language/rum [INFO] finished frobbing monte-language/rum [INFO] frobbed toml for monte-language/rum written to work/ex/beta-1.38-1/sources/1.37.0/gh/monte-language/rum/Cargo.toml [INFO] started frobbing monte-language/rum [INFO] finished frobbing monte-language/rum [INFO] frobbed toml for monte-language/rum written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/monte-language/rum/Cargo.toml [INFO] crate monte-language/rum 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 monte-language/rum 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/monte-language/rum:/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] be1116389c657ae57c25bb2e872b508ec0d452c97a19a9d978f97e5e28e56c9a [INFO] running `"docker" "start" "-a" "be1116389c657ae57c25bb2e872b508ec0d452c97a19a9d978f97e5e28e56c9a"` [INFO] [stderr] Compiling serde v0.8.19 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling num-bigint v0.1.35 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling num-rational v0.1.35 [INFO] [stderr] Compiling num v0.1.36 [INFO] [stderr] Compiling bincode v0.6.0 [INFO] [stderr] Compiling docopt v0.6.86 [INFO] [stderr] Compiling rum v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/load_mast.rs:117:46 [INFO] [stderr] | [INFO] [stderr] 117 | fn expr_at(&mut self, idx: usize) -> Arc; [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Expr` [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/load_mast.rs:118:47 [INFO] [stderr] | [INFO] [stderr] 118 | fn new(n: bool, stream: Arc>>) -> Context; [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/load_mast.rs:125:17 [INFO] [stderr] | [INFO] [stderr] 125 | stream: Arc, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn MastReader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/load_mast.rs:126:25 [INFO] [stderr] | [INFO] [stderr] 126 | expers: Arc>>, [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Expr` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/load_mast.rs:131:47 [INFO] [stderr] | [INFO] [stderr] 131 | fn new(n: bool, stream: Arc>>) -> Context { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/load_mast.rs:134:35 [INFO] [stderr] | [INFO] [stderr] 134 | stream: stream as Arc, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn MastReader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/load_mast.rs:140:48 [INFO] [stderr] | [INFO] [stderr] 140 | fn expr_at(&mut self, index: usize) -> Arc { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Expr` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/load_mast.rs:246:37 [INFO] [stderr] | [INFO] [stderr] 246 | pub fn load(file: Arc>>) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:40:50 [INFO] [stderr] | [INFO] [stderr] 40 | let i = Box::new(io::stdin()) as Box; [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:44:62 [INFO] [stderr] | [INFO] [stderr] 44 | let i = Box::new(File::open(&p).unwrap()) as Box; [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:49:21 [INFO] [stderr] | [INFO] [stderr] 49 | load_mast::load(mast_reader); [INFO] [stderr] | ^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `std::boxed::Box` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::sync::Arc>>` [INFO] [stderr] found type `std::boxed::Box>>` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `rum`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "be1116389c657ae57c25bb2e872b508ec0d452c97a19a9d978f97e5e28e56c9a"` [INFO] running `"docker" "rm" "-f" "be1116389c657ae57c25bb2e872b508ec0d452c97a19a9d978f97e5e28e56c9a"` [INFO] [stdout] be1116389c657ae57c25bb2e872b508ec0d452c97a19a9d978f97e5e28e56c9a