[INFO] updating cached repository apwadkar/data-structures-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/apwadkar/data-structures-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/apwadkar/data-structures-rs" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/apwadkar/data-structures-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/apwadkar/data-structures-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/apwadkar/data-structures-rs" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/apwadkar/data-structures-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/apwadkar/data-structures-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d3e32c574f7d80f93aeb9ce79938ca710d05c4e4 [INFO] sha for GitHub repo apwadkar/data-structures-rs: d3e32c574f7d80f93aeb9ce79938ca710d05c4e4 [INFO] validating manifest of apwadkar/data-structures-rs on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of apwadkar/data-structures-rs on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing apwadkar/data-structures-rs [INFO] finished frobbing apwadkar/data-structures-rs [INFO] frobbed toml for apwadkar/data-structures-rs written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/apwadkar/data-structures-rs/Cargo.toml [INFO] started frobbing apwadkar/data-structures-rs [INFO] finished frobbing apwadkar/data-structures-rs [INFO] frobbed toml for apwadkar/data-structures-rs written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/apwadkar/data-structures-rs/Cargo.toml [INFO] crate apwadkar/data-structures-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking apwadkar/data-structures-rs against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/apwadkar/data-structures-rs:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 688e1354e6357d3ec52d6022d2cc3a0452083aeb5d088a1340469b0783e3d730 [INFO] running `"docker" "start" "-a" "688e1354e6357d3ec52d6022d2cc3a0452083aeb5d088a1340469b0783e3d730"` [INFO] [stderr] Checking data-structures v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/timing.rs:5:12 [INFO] [stderr] | [INFO] [stderr] 5 | func: &Fn(&Vec, i32) -> Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec, i32) -> Option` [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/timing.rs:15:25 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn time_sort(func: &Fn(&Vec) -> Vec, arr: &Vec) -> (Vec, u64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec) -> Vec` [INFO] [stderr] [INFO] [stderr] warning: unused import: `avltree::*` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use avltree::*; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/timing.rs:5:12 [INFO] [stderr] | [INFO] [stderr] 5 | func: &Fn(&Vec, i32) -> Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec, i32) -> Option` [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/timing.rs:15:25 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn time_sort(func: &Fn(&Vec) -> Vec, arr: &Vec) -> (Vec, u64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec) -> Vec` [INFO] [stderr] [INFO] [stderr] warning: unused import: `avltree::*` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use avltree::*; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of `y.left` which is behind a mutable reference [INFO] [stderr] --> src/avltree.rs:34:22 [INFO] [stderr] | [INFO] [stderr] 34 | let mut x = &y.left.unwrap(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | move occurs because `y.left` has type `std::option::Option>`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider borrowing the `Option`'s content: `y.left.as_ref()` [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of `x.right` which is behind a shared reference [INFO] [stderr] --> src/avltree.rs:35:18 [INFO] [stderr] | [INFO] [stderr] 35 | let T2 = x.right.unwrap(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | move occurs because `x.right` has type `std::option::Option>`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider borrowing the `Option`'s content: `x.right.as_ref()` [INFO] [stderr] [INFO] [stderr] error[E0594]: cannot assign to `x.right` which is behind a `&` reference [INFO] [stderr] --> src/avltree.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 34 | let mut x = &y.left.unwrap(); [INFO] [stderr] | ---------------- help: consider changing this to be a mutable reference: `&mut y.left.unwrap()` [INFO] [stderr] ... [INFO] [stderr] 37 | x.right = Some(Box::new(*y)); [INFO] [stderr] | ^^^^^^^ `x` is a `&` reference, so the data it refers to cannot be written [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of `*y` which is behind a mutable reference [INFO] [stderr] --> src/avltree.rs:37:33 [INFO] [stderr] | [INFO] [stderr] 37 | x.right = Some(Box::new(*y)); [INFO] [stderr] | ^^ move occurs because `*y` has type `avltree::AVLNode`, which does not implement the `Copy` trait [INFO] [stderr] [INFO] [stderr] error[E0594]: cannot assign to `x.height` which is behind a `&` reference [INFO] [stderr] --> src/avltree.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 34 | let mut x = &y.left.unwrap(); [INFO] [stderr] | ---------------- help: consider changing this to be a mutable reference: `&mut y.left.unwrap()` [INFO] [stderr] ... [INFO] [stderr] 41 | x.height = max(height(&x.left), height(&x.right)) + 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `x` is a `&` reference, so the data it refers to cannot be written [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0507`. [INFO] [stderr] error: Could not compile `data-structures`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0507]: cannot move out of `y.left` which is behind a mutable reference [INFO] [stderr] --> src/avltree.rs:34:22 [INFO] [stderr] | [INFO] [stderr] 34 | let mut x = &y.left.unwrap(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | move occurs because `y.left` has type `std::option::Option>`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider borrowing the `Option`'s content: `y.left.as_ref()` [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of `x.right` which is behind a shared reference [INFO] [stderr] --> src/avltree.rs:35:18 [INFO] [stderr] | [INFO] [stderr] 35 | let T2 = x.right.unwrap(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | move occurs because `x.right` has type `std::option::Option>`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider borrowing the `Option`'s content: `x.right.as_ref()` [INFO] [stderr] [INFO] [stderr] error[E0594]: cannot assign to `x.right` which is behind a `&` reference [INFO] [stderr] --> src/avltree.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 34 | let mut x = &y.left.unwrap(); [INFO] [stderr] | ---------------- help: consider changing this to be a mutable reference: `&mut y.left.unwrap()` [INFO] [stderr] ... [INFO] [stderr] 37 | x.right = Some(Box::new(*y)); [INFO] [stderr] | ^^^^^^^ `x` is a `&` reference, so the data it refers to cannot be written [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of `*y` which is behind a mutable reference [INFO] [stderr] --> src/avltree.rs:37:33 [INFO] [stderr] | [INFO] [stderr] 37 | x.right = Some(Box::new(*y)); [INFO] [stderr] | ^^ move occurs because `*y` has type `avltree::AVLNode`, which does not implement the `Copy` trait [INFO] [stderr] [INFO] [stderr] error[E0594]: cannot assign to `x.height` which is behind a `&` reference [INFO] [stderr] --> src/avltree.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 34 | let mut x = &y.left.unwrap(); [INFO] [stderr] | ---------------- help: consider changing this to be a mutable reference: `&mut y.left.unwrap()` [INFO] [stderr] ... [INFO] [stderr] 41 | x.height = max(height(&x.left), height(&x.right)) + 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `x` is a `&` reference, so the data it refers to cannot be written [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0507`. [INFO] [stderr] error: Could not compile `data-structures`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "688e1354e6357d3ec52d6022d2cc3a0452083aeb5d088a1340469b0783e3d730"` [INFO] running `"docker" "rm" "-f" "688e1354e6357d3ec52d6022d2cc3a0452083aeb5d088a1340469b0783e3d730"` [INFO] [stdout] 688e1354e6357d3ec52d6022d2cc3a0452083aeb5d088a1340469b0783e3d730