[INFO] updating cached repository https://github.com/sdttttt/RBTree-Rust [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] ca02c1d8b84f8c3c6e3f70a65bbfc6ee81e7be2e [INFO] testing sdttttt/RBTree-Rust against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdttttt%2FRBTree-Rust" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sdttttt/RBTree-Rust 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/sdttttt/RBTree-Rust [INFO] finished tweaking git repo https://github.com/sdttttt/RBTree-Rust [INFO] tweaked toml for git repo https://github.com/sdttttt/RBTree-Rust written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/sdttttt/RBTree-Rust 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 9a0dbdab443793d630fd15900aeed26a59ee2ba4bed145e9a7f5fbba1397526a [INFO] running `"docker" "start" "-a" "9a0dbdab443793d630fd15900aeed26a59ee2ba4bed145e9a7f5fbba1397526a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling red-black-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable `node_p` is assigned to, but never used [INFO] [stderr] --> src/main.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | let mut node_p: SchrodingerNode; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_node_p` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `node_p` is never read [INFO] [stderr] --> src/main.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | node_p = node.clone(); [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: unused variable: `v` [INFO] [stderr] --> src/main.rs:41:26 [INFO] [stderr] | [INFO] [stderr] 41 | fn insert(&self,k:K, v: V) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_node` [INFO] [stderr] --> src/main.rs:104:13 [INFO] [stderr] | [INFO] [stderr] 104 | let new_node = Some(Box::new(Node::new(key, value))); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_node` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | let mut node: SchrodingerNode; [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: variant is never constructed: `BLACK` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | BLACK, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Tree` [INFO] [stderr] --> src/main.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | struct Tree { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `value` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | value: V, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `color` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | color: Color, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:37:8 [INFO] [stderr] | [INFO] [stderr] 37 | fn new() -> Tree { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `insert` [INFO] [stderr] --> src/main.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | fn insert(&self,k:K, v: V) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `"docker" "inspect" "9a0dbdab443793d630fd15900aeed26a59ee2ba4bed145e9a7f5fbba1397526a"` [INFO] running `"docker" "rm" "-f" "9a0dbdab443793d630fd15900aeed26a59ee2ba4bed145e9a7f5fbba1397526a"` [INFO] [stdout] 9a0dbdab443793d630fd15900aeed26a59ee2ba4bed145e9a7f5fbba1397526a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4bdc5641115239d2a3072c1df0af50ea7eed90201d6f1613bb4d981c7b416b20 [INFO] running `"docker" "start" "-a" "4bdc5641115239d2a3072c1df0af50ea7eed90201d6f1613bb4d981c7b416b20"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling red-black-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable `node_p` is assigned to, but never used [INFO] [stderr] --> src/main.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | let mut node_p: SchrodingerNode; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_node_p` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `node_p` is never read [INFO] [stderr] --> src/main.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | node_p = node.clone(); [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: unused variable: `v` [INFO] [stderr] --> src/main.rs:41:26 [INFO] [stderr] | [INFO] [stderr] 41 | fn insert(&self,k:K, v: V) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_node` [INFO] [stderr] --> src/main.rs:104:13 [INFO] [stderr] | [INFO] [stderr] 104 | let new_node = Some(Box::new(Node::new(key, value))); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_node` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | let mut node: SchrodingerNode; [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: variant is never constructed: `BLACK` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | BLACK, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Tree` [INFO] [stderr] --> src/main.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | struct Tree { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `value` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | value: V, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `color` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | color: Color, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:37:8 [INFO] [stderr] | [INFO] [stderr] 37 | fn new() -> Tree { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `insert` [INFO] [stderr] --> src/main.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | fn insert(&self,k:K, v: V) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `"docker" "inspect" "4bdc5641115239d2a3072c1df0af50ea7eed90201d6f1613bb4d981c7b416b20"` [INFO] running `"docker" "rm" "-f" "4bdc5641115239d2a3072c1df0af50ea7eed90201d6f1613bb4d981c7b416b20"` [INFO] [stdout] 4bdc5641115239d2a3072c1df0af50ea7eed90201d6f1613bb4d981c7b416b20 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 0a044e459fd656d339d24b31a6a363093ed3f4d14228aa3130b5f83b7b56a5f9 [INFO] running `"docker" "start" "-a" "0a044e459fd656d339d24b31a6a363093ed3f4d14228aa3130b5f83b7b56a5f9"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: variable `node_p` is assigned to, but never used [INFO] [stderr] --> src/main.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | let mut node_p: SchrodingerNode; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_node_p` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `node_p` is never read [INFO] [stderr] --> src/main.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | node_p = node.clone(); [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: unused variable: `v` [INFO] [stderr] --> src/main.rs:41:26 [INFO] [stderr] | [INFO] [stderr] 41 | fn insert(&self,k:K, v: V) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_node` [INFO] [stderr] --> src/main.rs:104:13 [INFO] [stderr] | [INFO] [stderr] 104 | let new_node = Some(Box::new(Node::new(key, value))); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_node` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | let mut node: SchrodingerNode; [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: variant is never constructed: `BLACK` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | BLACK, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Tree` [INFO] [stderr] --> src/main.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | struct Tree { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `value` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | value: V, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `color` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | color: Color, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:37:8 [INFO] [stderr] | [INFO] [stderr] 37 | fn new() -> Tree { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `insert` [INFO] [stderr] --> src/main.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | fn insert(&self,k:K, v: V) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/red_black_tree-27fc9db30b45ae5b [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" "0a044e459fd656d339d24b31a6a363093ed3f4d14228aa3130b5f83b7b56a5f9"` [INFO] running `"docker" "rm" "-f" "0a044e459fd656d339d24b31a6a363093ed3f4d14228aa3130b5f83b7b56a5f9"` [INFO] [stdout] 0a044e459fd656d339d24b31a6a363093ed3f4d14228aa3130b5f83b7b56a5f9