[INFO] fetching crate avl_tree 0.2.0... [INFO] checking avl_tree-0.2.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate avl_tree 0.2.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate avl_tree 0.2.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate avl_tree 0.2.0 [INFO] finished tweaking crates.io crate avl_tree 0.2.0 [INFO] tweaked toml for crates.io crate avl_tree 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 07bf750f502371f19ba348e7dea2437a04012c5db009637bcbd3c1e7efea543a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "07bf750f502371f19ba348e7dea2437a04012c5db009637bcbd3c1e7efea543a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07bf750f502371f19ba348e7dea2437a04012c5db009637bcbd3c1e7efea543a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07bf750f502371f19ba348e7dea2437a04012c5db009637bcbd3c1e7efea543a", kill_on_drop: false }` [INFO] [stdout] 07bf750f502371f19ba348e7dea2437a04012c5db009637bcbd3c1e7efea543a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9ea2f9d1bd526de893d0e96e5a97c46ecea38c30c57be6fb46665ce94d8be72 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f9ea2f9d1bd526de893d0e96e5a97c46ecea38c30c57be6fb46665ce94d8be72", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling syn v1.0.63 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling standback v0.2.15 [INFO] [stderr] Compiling time v0.2.25 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking avl_tree v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/node.rs:252:20 [INFO] [stdout] | [INFO] [stdout] 252 | t = insert((x as u64),1337+x-1,t) [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `max`, `min`, `to_string` [INFO] [stdout] --> src/tree.rs:5:33 [INFO] [stdout] | [INFO] [stdout] 5 | use node::{insert,delete,search,min,max,is_avl_tree, to_string, min_pair, max_pair}; [INFO] [stdout] | ^^^ ^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/node.rs:252:20 [INFO] [stdout] | [INFO] [stdout] 252 | t = insert((x as u64),1337+x-1,t) [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `max`, `min`, `to_string` [INFO] [stdout] --> src/tree.rs:5:33 [INFO] [stdout] | [INFO] [stdout] 5 | use node::{insert,delete,search,min,max,is_avl_tree, to_string, min_pair, max_pair}; [INFO] [stdout] | ^^^ ^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `contains` [INFO] [stdout] --> src/node.rs:145:4 [INFO] [stdout] | [INFO] [stdout] 145 | fn contains(key: &K, root: &Box> ) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `min` [INFO] [stdout] --> src/node.rs:175:8 [INFO] [stdout] | [INFO] [stdout] 175 | pub fn min(root: &Box>) -> &D { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `max` [INFO] [stdout] --> src/node.rs:180:8 [INFO] [stdout] | [INFO] [stdout] 180 | pub fn max(root: &Box>) -> &D { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `simple_tree` [INFO] [stdout] --> src/node.rs:249:4 [INFO] [stdout] | [INFO] [stdout] 249 | fn simple_tree(size: i32) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_sorted_left` [INFO] [stdout] --> src/node.rs:257:4 [INFO] [stdout] | [INFO] [stdout] 257 | fn is_sorted_left(node: &Box>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_sorted_right` [INFO] [stdout] --> src/node.rs:261:4 [INFO] [stdout] | [INFO] [stdout] 261 | fn is_sorted_right(node: &Box>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_avl_node` [INFO] [stdout] --> src/node.rs:265:4 [INFO] [stdout] | [INFO] [stdout] 265 | fn is_avl_node(node: &Box>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_avl_tree` [INFO] [stdout] --> src/node.rs:271:8 [INFO] [stdout] | [INFO] [stdout] 271 | pub fn is_avl_tree(root: &Option>>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `test_avl_tree` [INFO] [stdout] --> src/tree.rs:183:8 [INFO] [stdout] | [INFO] [stdout] 183 | fn test_avl_tree(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(collections_bound)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `rand` [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(rand)] [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `avl_tree` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/node.rs:368:9 [INFO] [stdout] | [INFO] [stdout] 368 | let mut t = simple_tree(50); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] [stdout] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(collections_bound)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `rand` [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(rand)] [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f9ea2f9d1bd526de893d0e96e5a97c46ecea38c30c57be6fb46665ce94d8be72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9ea2f9d1bd526de893d0e96e5a97c46ecea38c30c57be6fb46665ce94d8be72", kill_on_drop: false }` [INFO] [stdout] f9ea2f9d1bd526de893d0e96e5a97c46ecea38c30c57be6fb46665ce94d8be72