[INFO] updating cached repository https://github.com/camccar/Rust-Binary-Tree [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 075cf6d6999864324671efa448c3e687996ad24c [INFO] testing camccar/Rust-Binary-Tree against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamccar%2FRust-Binary-Tree" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/camccar/Rust-Binary-Tree on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/camccar/Rust-Binary-Tree [INFO] finished tweaking git repo https://github.com/camccar/Rust-Binary-Tree [INFO] tweaked toml for git repo https://github.com/camccar/Rust-Binary-Tree written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/camccar/Rust-Binary-Tree already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1c6623dc36b418f7a4bff2c5c37fde25fde719c7b136cd14fd75135f723e522c [INFO] running `"docker" "start" "-a" "1c6623dc36b418f7a4bff2c5c37fde25fde719c7b136cd14fd75135f723e522c"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Compiling getrandom v0.1.6 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: type `Avl_Tree` should have an upper camel case name [INFO] [stderr] --> src/main.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Avl_Tree { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper camel case: `AvlTree` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 33 | panic!("tree not initialised. Try calling Avl_Tree::new(i32)"); [INFO] [stderr] | --------------------------------------------------------------- any code following this expression is unreachable [INFO] [stderr] 34 | return false; [INFO] [stderr] | ^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/main.rs:348:9 [INFO] [stderr] | [INFO] [stderr] 348 | let mut root = Node::new(100); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bool1` is never read [INFO] [stderr] --> src/main.rs:311:17 [INFO] [stderr] | [INFO] [stderr] 311 | let mut bool1 = false; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bool2` is never read [INFO] [stderr] --> src/main.rs:312:17 [INFO] [stderr] | [INFO] [stderr] 312 | let mut bool2 = false; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:174:37 [INFO] [stderr] | [INFO] [stderr] 174 | fn recurse_build (n_d:&Node,mut tree:&mut Vec>,depth:i32) { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:348:9 [INFO] [stderr] | [INFO] [stderr] 348 | let mut root = Node::new(100); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `delete_right` [INFO] [stderr] --> src/main.rs:64:8 [INFO] [stderr] | [INFO] [stderr] 64 | fn delete_right(&mut self){ [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_left_value` [INFO] [stderr] --> src/main.rs:211:8 [INFO] [stderr] | [INFO] [stderr] 211 | fn get_left_value(&self)-> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_right_value` [INFO] [stderr] --> src/main.rs:226:8 [INFO] [stderr] | [INFO] [stderr] 226 | fn get_right_value(&self)-> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `A_Tree` should have a snake case name [INFO] [stderr] --> src/main.rs:346:13 [INFO] [stderr] | [INFO] [stderr] 346 | let mut A_Tree = Avl_Tree::new(100); [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `a_tree` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.20s [INFO] running `"docker" "inspect" "1c6623dc36b418f7a4bff2c5c37fde25fde719c7b136cd14fd75135f723e522c"` [INFO] running `"docker" "rm" "-f" "1c6623dc36b418f7a4bff2c5c37fde25fde719c7b136cd14fd75135f723e522c"` [INFO] [stdout] 1c6623dc36b418f7a4bff2c5c37fde25fde719c7b136cd14fd75135f723e522c [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cce8887448d03c6096d2a159cd2b53c6a87cc16d2ac956dfe8a811b0edb00c17 [INFO] running `"docker" "start" "-a" "cce8887448d03c6096d2a159cd2b53c6a87cc16d2ac956dfe8a811b0edb00c17"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: type `Avl_Tree` should have an upper camel case name [INFO] [stderr] --> src/main.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Avl_Tree { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper camel case: `AvlTree` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 33 | panic!("tree not initialised. Try calling Avl_Tree::new(i32)"); [INFO] [stderr] | --------------------------------------------------------------- any code following this expression is unreachable [INFO] [stderr] 34 | return false; [INFO] [stderr] | ^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/main.rs:348:9 [INFO] [stderr] | [INFO] [stderr] 348 | let mut root = Node::new(100); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bool1` is never read [INFO] [stderr] --> src/main.rs:311:17 [INFO] [stderr] | [INFO] [stderr] 311 | let mut bool1 = false; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bool2` is never read [INFO] [stderr] --> src/main.rs:312:17 [INFO] [stderr] | [INFO] [stderr] 312 | let mut bool2 = false; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:174:37 [INFO] [stderr] | [INFO] [stderr] 174 | fn recurse_build (n_d:&Node,mut tree:&mut Vec>,depth:i32) { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:348:9 [INFO] [stderr] | [INFO] [stderr] 348 | let mut root = Node::new(100); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `delete_right` [INFO] [stderr] --> src/main.rs:64:8 [INFO] [stderr] | [INFO] [stderr] 64 | fn delete_right(&mut self){ [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_left_value` [INFO] [stderr] --> src/main.rs:211:8 [INFO] [stderr] | [INFO] [stderr] 211 | fn get_left_value(&self)-> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_right_value` [INFO] [stderr] --> src/main.rs:226:8 [INFO] [stderr] | [INFO] [stderr] 226 | fn get_right_value(&self)-> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `A_Tree` should have a snake case name [INFO] [stderr] --> src/main.rs:346:13 [INFO] [stderr] | [INFO] [stderr] 346 | let mut A_Tree = Avl_Tree::new(100); [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `a_tree` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `"docker" "inspect" "cce8887448d03c6096d2a159cd2b53c6a87cc16d2ac956dfe8a811b0edb00c17"` [INFO] running `"docker" "rm" "-f" "cce8887448d03c6096d2a159cd2b53c6a87cc16d2ac956dfe8a811b0edb00c17"` [INFO] [stdout] cce8887448d03c6096d2a159cd2b53c6a87cc16d2ac956dfe8a811b0edb00c17 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c02452972f22c5ea8d335ba1d202c0ebdfaeae9958b6231c2acaedb0322f9bf3 [INFO] running `"docker" "start" "-a" "c02452972f22c5ea8d335ba1d202c0ebdfaeae9958b6231c2acaedb0322f9bf3"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: type `Avl_Tree` should have an upper camel case name [INFO] [stderr] --> src/main.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Avl_Tree { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper camel case: `AvlTree` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 33 | panic!("tree not initialised. Try calling Avl_Tree::new(i32)"); [INFO] [stderr] | --------------------------------------------------------------- any code following this expression is unreachable [INFO] [stderr] 34 | return false; [INFO] [stderr] | ^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/main.rs:348:9 [INFO] [stderr] | [INFO] [stderr] 348 | let mut root = Node::new(100); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bool1` is never read [INFO] [stderr] --> src/main.rs:311:17 [INFO] [stderr] | [INFO] [stderr] 311 | let mut bool1 = false; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bool2` is never read [INFO] [stderr] --> src/main.rs:312:17 [INFO] [stderr] | [INFO] [stderr] 312 | let mut bool2 = false; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:174:37 [INFO] [stderr] | [INFO] [stderr] 174 | fn recurse_build (n_d:&Node,mut tree:&mut Vec>,depth:i32) { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:348:9 [INFO] [stderr] | [INFO] [stderr] 348 | let mut root = Node::new(100); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `delete_right` [INFO] [stderr] --> src/main.rs:64:8 [INFO] [stderr] | [INFO] [stderr] 64 | fn delete_right(&mut self){ [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_left_value` [INFO] [stderr] --> src/main.rs:211:8 [INFO] [stderr] | [INFO] [stderr] 211 | fn get_left_value(&self)-> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_right_value` [INFO] [stderr] --> src/main.rs:226:8 [INFO] [stderr] | [INFO] [stderr] 226 | fn get_right_value(&self)-> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `A_Tree` should have a snake case name [INFO] [stderr] --> src/main.rs:346:13 [INFO] [stderr] | [INFO] [stderr] 346 | let mut A_Tree = Avl_Tree::new(100); [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `a_tree` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tree-fbaf88c0df4c23cd [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "c02452972f22c5ea8d335ba1d202c0ebdfaeae9958b6231c2acaedb0322f9bf3"` [INFO] running `"docker" "rm" "-f" "c02452972f22c5ea8d335ba1d202c0ebdfaeae9958b6231c2acaedb0322f9bf3"` [INFO] [stdout] c02452972f22c5ea8d335ba1d202c0ebdfaeae9958b6231c2acaedb0322f9bf3