[INFO] fetching crate avl_tree 0.2.0... [INFO] testing avl_tree-0.2.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate avl_tree 0.2.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate avl_tree 0.2.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 12e5d3960c05c200830afae287935e7b61fd7be54b2bc6ddfe55cf5d601c8e94 [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" "12e5d3960c05c200830afae287935e7b61fd7be54b2bc6ddfe55cf5d601c8e94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "12e5d3960c05c200830afae287935e7b61fd7be54b2bc6ddfe55cf5d601c8e94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12e5d3960c05c200830afae287935e7b61fd7be54b2bc6ddfe55cf5d601c8e94", kill_on_drop: false }` [INFO] [stdout] 12e5d3960c05c200830afae287935e7b61fd7be54b2bc6ddfe55cf5d601c8e94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3a23193e8b33d4237eb139e329ebe1a357d3f2f0b91c478119e60807ee4e0fa0 [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" "3a23193e8b33d4237eb139e329ebe1a357d3f2f0b91c478119e60807ee4e0fa0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling time v0.3.5 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling 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] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 252 - t = insert((x as u64),1337+x-1,t) [INFO] [stdout] 252 + t = insert(x as u64,1337+x-1,t) [INFO] [stdout] | [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` due to 2 previous errors; 12 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3a23193e8b33d4237eb139e329ebe1a357d3f2f0b91c478119e60807ee4e0fa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a23193e8b33d4237eb139e329ebe1a357d3f2f0b91c478119e60807ee4e0fa0", kill_on_drop: false }` [INFO] [stdout] 3a23193e8b33d4237eb139e329ebe1a357d3f2f0b91c478119e60807ee4e0fa0