[INFO] crate rclist 0.0.1 is already in cache [INFO] extracting crate rclist 0.0.1 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/rclist/0.0.1 [INFO] extracting crate rclist 0.0.1 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/rclist/0.0.1 [INFO] validating manifest of rclist-0.0.1 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rclist-0.0.1 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing rclist-0.0.1 [INFO] finished frobbing rclist-0.0.1 [INFO] frobbed toml for rclist-0.0.1 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/rclist/0.0.1/Cargo.toml [INFO] started frobbing rclist-0.0.1 [INFO] finished frobbing rclist-0.0.1 [INFO] frobbed toml for rclist-0.0.1 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/rclist/0.0.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking rclist-0.0.1 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-5/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/rclist/0.0.1:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 74db7bae5fe6840a715dc1bf801dc0267545a0a6d3ee9612bdf39b3fbe18bddb [INFO] running `"docker" "start" "-a" "74db7bae5fe6840a715dc1bf801dc0267545a0a6d3ee9612bdf39b3fbe18bddb"` [INFO] [stderr] Checking rclist v0.0.1 (/opt/crater/workdir) [INFO] [stderr] error[E0599]: no method named `downgrade` found for type `&std::rc::Rc` in the current scope [INFO] [stderr] --> src/lib.rs:31:50 [INFO] [stderr] | [INFO] [stderr] 31 | &Link::Strong(ref x) => Link::Weak(x.downgrade()), [INFO] [stderr] | --^^^^^^^^^ [INFO] [stderr] | | | [INFO] [stderr] | | this is an associated function, not a method [INFO] [stderr] | help: use associated function syntax instead: `&std::rc::Rc::downgrade` [INFO] [stderr] | [INFO] [stderr] = note: found the following associated functions; to be used as methods, functions must have a `self` parameter [INFO] [stderr] = note: the candidate is defined in an impl for the type `std::rc::Rc<_>` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0599`. [INFO] [stderr] error: Could not compile `rclist`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0599]: no method named `downgrade` found for type `&std::rc::Rc` in the current scope [INFO] [stderr] --> src/lib.rs:31:50 [INFO] [stderr] | [INFO] [stderr] 31 | &Link::Strong(ref x) => Link::Weak(x.downgrade()), [INFO] [stderr] | --^^^^^^^^^ [INFO] [stderr] | | | [INFO] [stderr] | | this is an associated function, not a method [INFO] [stderr] | help: use associated function syntax instead: `&std::rc::Rc::downgrade` [INFO] [stderr] | [INFO] [stderr] = note: found the following associated functions; to be used as methods, functions must have a `self` parameter [INFO] [stderr] = note: the candidate is defined in an impl for the type `std::rc::Rc<_>` [INFO] [stderr] [INFO] [stderr] error[E0271]: type mismatch resolving ` as std::iter::Iterator>::Item == &_` [INFO] [stderr] --> src/test.rs:12:41 [INFO] [stderr] | [INFO] [stderr] 12 | let vempty : Vec = empty.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ expected struct `std::rc::Rc`, found reference [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::rc::Rc>` [INFO] [stderr] found type `&_` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `cloned` found for type `std::iter::Cloned>` in the current scope [INFO] [stderr] --> src/test.rs:12:50 [INFO] [stderr] | [INFO] [stderr] 12 | let vempty : Vec = empty.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the method `cloned` exists but the following trait bounds were not satisfied: [INFO] [stderr] `&mut std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] `std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] [INFO] [stderr] error[E0271]: type mismatch resolving ` as std::iter::Iterator>::Item == &_` [INFO] [stderr] --> src/test.rs:13:34 [INFO] [stderr] | [INFO] [stderr] 13 | let v1 : Vec = s1.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ expected struct `std::rc::Rc`, found reference [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::rc::Rc>` [INFO] [stderr] found type `&_` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `cloned` found for type `std::iter::Cloned>` in the current scope [INFO] [stderr] --> src/test.rs:13:43 [INFO] [stderr] | [INFO] [stderr] 13 | let v1 : Vec = s1.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the method `cloned` exists but the following trait bounds were not satisfied: [INFO] [stderr] `&mut std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] `std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] [INFO] [stderr] error[E0271]: type mismatch resolving ` as std::iter::Iterator>::Item == &_` [INFO] [stderr] --> src/test.rs:14:34 [INFO] [stderr] | [INFO] [stderr] 14 | let v2 : Vec = s2.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ expected struct `std::rc::Rc`, found reference [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::rc::Rc>` [INFO] [stderr] found type `&_` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `cloned` found for type `std::iter::Cloned>` in the current scope [INFO] [stderr] --> src/test.rs:14:43 [INFO] [stderr] | [INFO] [stderr] 14 | let v2 : Vec = s2.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the method `cloned` exists but the following trait bounds were not satisfied: [INFO] [stderr] `&mut std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] `std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] [INFO] [stderr] error[E0271]: type mismatch resolving ` as std::iter::Iterator>::Item == &_` [INFO] [stderr] --> src/test.rs:30:43 [INFO] [stderr] | [INFO] [stderr] 30 | let vempty : Vec<&str> = empty.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ expected struct `std::rc::Rc`, found reference [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::rc::Rc>` [INFO] [stderr] found type `&_` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `cloned` found for type `std::iter::Cloned>` in the current scope [INFO] [stderr] --> src/test.rs:30:52 [INFO] [stderr] | [INFO] [stderr] 30 | let vempty : Vec<&str> = empty.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the method `cloned` exists but the following trait bounds were not satisfied: [INFO] [stderr] `&mut std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] `std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] [INFO] [stderr] error[E0271]: type mismatch resolving ` as std::iter::Iterator>::Item == &_` [INFO] [stderr] --> src/test.rs:31:36 [INFO] [stderr] | [INFO] [stderr] 31 | let v1 : Vec<&str> = s1.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ expected struct `std::rc::Rc`, found reference [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::rc::Rc>` [INFO] [stderr] found type `&_` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `cloned` found for type `std::iter::Cloned>` in the current scope [INFO] [stderr] --> src/test.rs:31:45 [INFO] [stderr] | [INFO] [stderr] 31 | let v1 : Vec<&str> = s1.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the method `cloned` exists but the following trait bounds were not satisfied: [INFO] [stderr] `&mut std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] `std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] [INFO] [stderr] error[E0271]: type mismatch resolving ` as std::iter::Iterator>::Item == &_` [INFO] [stderr] --> src/test.rs:32:36 [INFO] [stderr] | [INFO] [stderr] 32 | let v2 : Vec<&str> = s2.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ expected struct `std::rc::Rc`, found reference [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::rc::Rc>` [INFO] [stderr] found type `&_` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `cloned` found for type `std::iter::Cloned>` in the current scope [INFO] [stderr] --> src/test.rs:32:45 [INFO] [stderr] | [INFO] [stderr] 32 | let v2 : Vec<&str> = s2.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the method `cloned` exists but the following trait bounds were not satisfied: [INFO] [stderr] `&mut std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] `std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] [INFO] [stderr] error[E0271]: type mismatch resolving ` as std::iter::Iterator>::Item == &_` [INFO] [stderr] --> src/test.rs:49:45 [INFO] [stderr] | [INFO] [stderr] 49 | let vempty : Vec = empty.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ expected struct `std::rc::Rc`, found reference [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::rc::Rc>` [INFO] [stderr] found type `&_` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `cloned` found for type `std::iter::Cloned>` in the current scope [INFO] [stderr] --> src/test.rs:49:54 [INFO] [stderr] | [INFO] [stderr] 49 | let vempty : Vec = empty.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the method `cloned` exists but the following trait bounds were not satisfied: [INFO] [stderr] `&mut std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] `std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] [INFO] [stderr] error[E0271]: type mismatch resolving ` as std::iter::Iterator>::Item == &_` [INFO] [stderr] --> src/test.rs:50:38 [INFO] [stderr] | [INFO] [stderr] 50 | let v1 : Vec = s1.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ expected struct `std::rc::Rc`, found reference [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::rc::Rc>` [INFO] [stderr] found type `&_` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `cloned` found for type `std::iter::Cloned>` in the current scope [INFO] [stderr] --> src/test.rs:50:47 [INFO] [stderr] | [INFO] [stderr] 50 | let v1 : Vec = s1.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the method `cloned` exists but the following trait bounds were not satisfied: [INFO] [stderr] `&mut std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] `std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] [INFO] [stderr] error[E0271]: type mismatch resolving ` as std::iter::Iterator>::Item == &_` [INFO] [stderr] --> src/test.rs:51:38 [INFO] [stderr] | [INFO] [stderr] 51 | let v2 : Vec = s2.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ expected struct `std::rc::Rc`, found reference [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::rc::Rc>` [INFO] [stderr] found type `&_` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `cloned` found for type `std::iter::Cloned>` in the current scope [INFO] [stderr] --> src/test.rs:51:47 [INFO] [stderr] | [INFO] [stderr] 51 | let v2 : Vec = s2.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the method `cloned` exists but the following trait bounds were not satisfied: [INFO] [stderr] `&mut std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] `std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] [INFO] [stderr] error[E0271]: type mismatch resolving ` as std::iter::Iterator>::Item == &_` [INFO] [stderr] --> src/test.rs:74:34 [INFO] [stderr] | [INFO] [stderr] 74 | let v1 : Vec = s1.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ expected struct `std::rc::Rc`, found reference [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::rc::Rc>` [INFO] [stderr] found type `&_` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `cloned` found for type `std::iter::Cloned>` in the current scope [INFO] [stderr] --> src/test.rs:74:43 [INFO] [stderr] | [INFO] [stderr] 74 | let v1 : Vec = s1.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the method `cloned` exists but the following trait bounds were not satisfied: [INFO] [stderr] `&mut std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] `std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] [INFO] [stderr] error[E0271]: type mismatch resolving ` as std::iter::Iterator>::Item == &_` [INFO] [stderr] --> src/test.rs:75:34 [INFO] [stderr] | [INFO] [stderr] 75 | let v2 : Vec = s2.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ expected struct `std::rc::Rc`, found reference [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::rc::Rc>` [INFO] [stderr] found type `&_` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `cloned` found for type `std::iter::Cloned>` in the current scope [INFO] [stderr] --> src/test.rs:75:43 [INFO] [stderr] | [INFO] [stderr] 75 | let v2 : Vec = s2.iter().cloned().cloned().collect(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the method `cloned` exists but the following trait bounds were not satisfied: [INFO] [stderr] `&mut std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] `std::iter::Cloned> : std::iter::Iterator` [INFO] [stderr] [INFO] [stderr] error: aborting due to 23 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0271, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0271`. [INFO] [stderr] error: Could not compile `rclist`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "74db7bae5fe6840a715dc1bf801dc0267545a0a6d3ee9612bdf39b3fbe18bddb"` [INFO] running `"docker" "rm" "-f" "74db7bae5fe6840a715dc1bf801dc0267545a0a6d3ee9612bdf39b3fbe18bddb"` [INFO] [stdout] 74db7bae5fe6840a715dc1bf801dc0267545a0a6d3ee9612bdf39b3fbe18bddb