[INFO] updating cached repository francescofranze/gc3c [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/francescofranze/gc3c [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/francescofranze/gc3c" "work/ex/beta-1.38-1/sources/1.37.0/gh/francescofranze/gc3c"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/francescofranze/gc3c'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/francescofranze/gc3c" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/francescofranze/gc3c"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/francescofranze/gc3c'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 13e0f9aff7e04ab068230ec0d8d7c77b2b11e325 [INFO] sha for GitHub repo francescofranze/gc3c: 13e0f9aff7e04ab068230ec0d8d7c77b2b11e325 [INFO] validating manifest of francescofranze/gc3c 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 francescofranze/gc3c 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 francescofranze/gc3c [INFO] finished frobbing francescofranze/gc3c [INFO] frobbed toml for francescofranze/gc3c written to work/ex/beta-1.38-1/sources/1.37.0/gh/francescofranze/gc3c/Cargo.toml [INFO] started frobbing francescofranze/gc3c [INFO] finished frobbing francescofranze/gc3c [INFO] frobbed toml for francescofranze/gc3c written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/francescofranze/gc3c/Cargo.toml [INFO] crate francescofranze/gc3c 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 francescofranze/gc3c 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/francescofranze/gc3c:/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] f2aa040b02e69256dd53ea74afbe93baaccbef0c5a3595b1cdf4de0a7cd45ac6 [INFO] running `"docker" "start" "-a" "f2aa040b02e69256dd53ea74afbe93baaccbef0c5a3595b1cdf4de0a7cd45ac6"` [INFO] [stderr] Compiling gc3c v0.1.2 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #![feature(unsize)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | #![feature(coerce_unsized)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | #![feature(alloc)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | #![feature(allocator_api)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:196:20 [INFO] [stderr] | [INFO] [stderr] 196 | whites: Vec>, [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [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/lib.rs:197:19 [INFO] [stderr] | [INFO] [stderr] 197 | greys: Vec>, [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:198:20 [INFO] [stderr] | [INFO] [stderr] 198 | blacks: Vec>, [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:199:19 [INFO] [stderr] | [INFO] [stderr] 199 | roots: Vec>, [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:229:33 [INFO] [stderr] | [INFO] [stderr] 229 | fn movec(&mut self, obj: Gc, color: GcColor) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:237:35 [INFO] [stderr] | [INFO] [stderr] 237 | fn remove(&mut self, obj: &Gc) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:268:31 [INFO] [stderr] | [INFO] [stderr] 268 | fn add(&mut self, obj: Gc, color: GcColor) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:302:34 [INFO] [stderr] | [INFO] [stderr] 302 | fn mark_1(&mut self, obj: Gc) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:308:37 [INFO] [stderr] | [INFO] [stderr] 308 | fn mark_grey(&mut self, obj: Gc) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:358:36 [INFO] [stderr] | [INFO] [stderr] 358 | pub fn add_root(&self, obj: Gc) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:367:35 [INFO] [stderr] | [INFO] [stderr] 367 | pub fn rm_root(&self, obj: Gc) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:397:33 [INFO] [stderr] | [INFO] [stderr] 397 | pub fn new_ref(&self, o: Gc, robj: Gc) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:397:49 [INFO] [stderr] | [INFO] [stderr] 397 | pub fn new_ref(&self, o: Gc, robj: Gc) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:453:31 [INFO] [stderr] | [INFO] [stderr] 453 | let mut it = Vec::>::new(); [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:503:26 [INFO] [stderr] | [INFO] [stderr] 503 | pub fn new_ref(o: Gc, r: Gc) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:503:39 [INFO] [stderr] | [INFO] [stderr] 503 | pub fn new_ref(o: Gc, r: Gc) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:528:27 [INFO] [stderr] | [INFO] [stderr] 528 | pub fn add_root(o: Gc) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:534:26 [INFO] [stderr] | [INFO] [stderr] 534 | pub fn rm_root(o: Gc) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Mark` [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `gc3c`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "f2aa040b02e69256dd53ea74afbe93baaccbef0c5a3595b1cdf4de0a7cd45ac6"` [INFO] running `"docker" "rm" "-f" "f2aa040b02e69256dd53ea74afbe93baaccbef0c5a3595b1cdf4de0a7cd45ac6"` [INFO] [stdout] f2aa040b02e69256dd53ea74afbe93baaccbef0c5a3595b1cdf4de0a7cd45ac6