[INFO] cloning repository https://github.com/moorts/theo_sem2 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moorts/theo_sem2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoorts%2Ftheo_sem2", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoorts%2Ftheo_sem2'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 98c67e71567049b8afda7a45ed45077cf11e49b0 [INFO] testing moorts/theo_sem2 against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoorts%2Ftheo_sem2" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/moorts/theo_sem2 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/moorts/theo_sem2 [INFO] finished tweaking git repo https://github.com/moorts/theo_sem2 [INFO] tweaked toml for git repo https://github.com/moorts/theo_sem2 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/moorts/theo_sem2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fd10537fda181930a5eecc9c0508a8b0148aa127d0472c7f1ebfac81a3f21337 [INFO] running `Command { std: "docker" "start" "-a" "fd10537fda181930a5eecc9c0508a8b0148aa127d0472c7f1ebfac81a3f21337", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd10537fda181930a5eecc9c0508a8b0148aa127d0472c7f1ebfac81a3f21337", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd10537fda181930a5eecc9c0508a8b0148aa127d0472c7f1ebfac81a3f21337", kill_on_drop: false }` [INFO] [stdout] fd10537fda181930a5eecc9c0508a8b0148aa127d0472c7f1ebfac81a3f21337 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c94a33c4a70c7e7993c14b4eada97b7f982b7b667c01798fdcb85fe2069fd1bc [INFO] running `Command { std: "docker" "start" "-a" "c94a33c4a70c7e7993c14b4eada97b7f982b7b667c01798fdcb85fe2069fd1bc", kill_on_drop: false }` [INFO] [stderr] Compiling theo_sem2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::convert::TryInto` [INFO] [stdout] --> src/tree.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tree` [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let tree = binary_tree::tree_from_vec(&vec); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tree` [INFO] [stdout] --> src/tree.rs:189:25 [INFO] [stdout] | [INFO] [stdout] 189 | pub fn bst_preorder(tree: &BinarySearchTree) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tree` [INFO] [stdout] --> src/tree.rs:192:26 [INFO] [stdout] | [INFO] [stdout] 192 | pub fn bst_postorder(tree: &BinarySearchTree) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/tree.rs:84:22 [INFO] [stdout] | [INFO] [stdout] 84 | Some(x) => size = 1, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/tree.rs:125:17 [INFO] [stdout] | [INFO] [stdout] 125 | let root = self.value.unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> src/tree.rs:124:44 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn remove_root_and_swap(&self, left: bool) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:103:29 [INFO] [stdout] | [INFO] [stdout] 103 | let mut rsize = 0; [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] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.41s [INFO] running `Command { std: "docker" "inspect" "c94a33c4a70c7e7993c14b4eada97b7f982b7b667c01798fdcb85fe2069fd1bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c94a33c4a70c7e7993c14b4eada97b7f982b7b667c01798fdcb85fe2069fd1bc", kill_on_drop: false }` [INFO] [stdout] c94a33c4a70c7e7993c14b4eada97b7f982b7b667c01798fdcb85fe2069fd1bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe1b4173aced0e680728b2de5d836387c7d88a682e195b9fe185a2e5dd752708 [INFO] running `Command { std: "docker" "start" "-a" "fe1b4173aced0e680728b2de5d836387c7d88a682e195b9fe185a2e5dd752708", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling theo_sem2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::convert::TryInto` [INFO] [stdout] --> src/tree.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tree` [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let tree = binary_tree::tree_from_vec(&vec); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tree` [INFO] [stdout] --> src/tree.rs:189:25 [INFO] [stdout] | [INFO] [stdout] 189 | pub fn bst_preorder(tree: &BinarySearchTree) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tree` [INFO] [stdout] --> src/tree.rs:192:26 [INFO] [stdout] | [INFO] [stdout] 192 | pub fn bst_postorder(tree: &BinarySearchTree) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/tree.rs:84:22 [INFO] [stdout] | [INFO] [stdout] 84 | Some(x) => size = 1, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/tree.rs:125:17 [INFO] [stdout] | [INFO] [stdout] 125 | let root = self.value.unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> src/tree.rs:124:44 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn remove_root_and_swap(&self, left: bool) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:103:29 [INFO] [stdout] | [INFO] [stdout] 103 | let mut rsize = 0; [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] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `Command { std: "docker" "inspect" "fe1b4173aced0e680728b2de5d836387c7d88a682e195b9fe185a2e5dd752708", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe1b4173aced0e680728b2de5d836387c7d88a682e195b9fe185a2e5dd752708", kill_on_drop: false }` [INFO] [stdout] fe1b4173aced0e680728b2de5d836387c7d88a682e195b9fe185a2e5dd752708 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3bced2e62829a789f7d38fcd28f42c50eeaffd1f674b792ab9ca3fb25a15bd1f [INFO] running `Command { std: "docker" "start" "-a" "3bced2e62829a789f7d38fcd28f42c50eeaffd1f674b792ab9ca3fb25a15bd1f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: unused import: `std::convert::TryInto` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/tree.rs:4:9 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 4 | use std::convert::TryInto; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tree` [INFO] [stderr] --> src/main.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | let tree = binary_tree::tree_from_vec(&vec); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tree` [INFO] [stderr] --> src/tree.rs:189:25 [INFO] [stderr] | [INFO] [stderr] 189 | pub fn bst_preorder(tree: &BinarySearchTree) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tree` [INFO] [stderr] --> src/tree.rs:192:26 [INFO] [stderr] | [INFO] [stderr] 192 | pub fn bst_postorder(tree: &BinarySearchTree) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/tree.rs:84:22 [INFO] [stderr] | [INFO] [stderr] 84 | Some(x) => size = 1, [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/tree.rs:125:17 [INFO] [stderr] | [INFO] [stderr] 125 | let root = self.value.unwrap(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `left` [INFO] [stderr] --> src/tree.rs:124:44 [INFO] [stderr] | [INFO] [stderr] 124 | pub fn remove_root_and_swap(&self, left: bool) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:103:29 [INFO] [stderr] | [INFO] [stderr] 103 | let mut rsize = 0; [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: `theo_sem2` (bin "theo_sem2" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.40s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/theo_sem2-d9c09f054c9f0c62) [INFO] running `Command { std: "docker" "inspect" "3bced2e62829a789f7d38fcd28f42c50eeaffd1f674b792ab9ca3fb25a15bd1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bced2e62829a789f7d38fcd28f42c50eeaffd1f674b792ab9ca3fb25a15bd1f", kill_on_drop: false }` [INFO] [stdout] 3bced2e62829a789f7d38fcd28f42c50eeaffd1f674b792ab9ca3fb25a15bd1f