[INFO] crate hashcons 0.1.1 is already in cache [INFO] extracting crate hashcons 0.1.1 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/hashcons/0.1.1 [INFO] extracting crate hashcons 0.1.1 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/hashcons/0.1.1 [INFO] validating manifest of hashcons-0.1.1 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of hashcons-0.1.1 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing hashcons-0.1.1 [INFO] finished frobbing hashcons-0.1.1 [INFO] frobbed toml for hashcons-0.1.1 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/hashcons/0.1.1/Cargo.toml [INFO] started frobbing hashcons-0.1.1 [INFO] finished frobbing hashcons-0.1.1 [INFO] frobbed toml for hashcons-0.1.1 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/hashcons/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking hashcons-0.1.1 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/hashcons/0.1.1:/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] dbb9c339dc3c82b660806e6a4d68604ca52fb64321a782a104e879dc5d156e3a [INFO] running `"docker" "start" "-a" "dbb9c339dc3c82b660806e6a4d68604ca52fb64321a782a104e879dc5d156e3a"` [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking hashcons v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/merkle.rs:180:1 [INFO] [stderr] | [INFO] [stderr] 180 | / /// Global table of serialized objects; permits us to avoid multiple [INFO] [stderr] 181 | | /// serialized copies of a single, shared object. [INFO] [stderr] | |_________________________________________________^ [INFO] [stderr] 182 | / thread_local!(static TABLE: [INFO] [stderr] 183 | | RefCell = [INFO] [stderr] 184 | | RefCell::new(Table{ [INFO] [stderr] 185 | | copy_count:0, [INFO] [stderr] 186 | | table:HashMap::new() [INFO] [stderr] 187 | | })); [INFO] [stderr] | |__________________- rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/merkle.rs:180:1 [INFO] [stderr] | [INFO] [stderr] 180 | / /// Global table of serialized objects; permits us to avoid multiple [INFO] [stderr] 181 | | /// serialized copies of a single, shared object. [INFO] [stderr] | |_________________________________________________^ [INFO] [stderr] 182 | / thread_local!(static TABLE: [INFO] [stderr] 183 | | RefCell
= [INFO] [stderr] 184 | | RefCell::new(Table{ [INFO] [stderr] 185 | | copy_count:0, [INFO] [stderr] 186 | | table:HashMap::new() [INFO] [stderr] 187 | | })); [INFO] [stderr] | |__________________- rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/merkle.rs:177:29 [INFO] [stderr] | [INFO] [stderr] 177 | table:HashMap>> [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Any` [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/merkle.rs:213:29 [INFO] [stderr] | [INFO] [stderr] 213 | let x : &Rc = &**brc; [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Any` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/merkle.rs:214:42 [INFO] [stderr] | [INFO] [stderr] 214 | let y : Result, Rc> = (x.clone()).downcast::(); [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Any` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/merkle.rs:177:29 [INFO] [stderr] | [INFO] [stderr] 177 | table:HashMap>> [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Any` [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/merkle.rs:213:29 [INFO] [stderr] | [INFO] [stderr] 213 | let x : &Rc = &**brc; [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Any` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/merkle.rs:214:42 [INFO] [stderr] | [INFO] [stderr] 214 | let y : Result, Rc> = (x.clone()).downcast::(); [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Any` [INFO] [stderr] [INFO] [stderr] warning: the feature `rc_downcast` has been stable since 1.29.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(rc_downcast)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `rc_downcast` has been stable since 1.29.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(rc_downcast)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 30.03s [INFO] running `"docker" "inspect" "dbb9c339dc3c82b660806e6a4d68604ca52fb64321a782a104e879dc5d156e3a"` [INFO] running `"docker" "rm" "-f" "dbb9c339dc3c82b660806e6a4d68604ca52fb64321a782a104e879dc5d156e3a"` [INFO] [stdout] dbb9c339dc3c82b660806e6a4d68604ca52fb64321a782a104e879dc5d156e3a