[INFO] cloning repository https://github.com/meiyoutoufa/expression_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meiyoutoufa/expression_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeiyoutoufa%2Fexpression_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeiyoutoufa%2Fexpression_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cc7e8f0eacc4f206293554eef51e45ed84a29e1d [INFO] testing meiyoutoufa/expression_rust against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeiyoutoufa%2Fexpression_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/meiyoutoufa/expression_rust [INFO] finished tweaking git repo https://github.com/meiyoutoufa/expression_rust [INFO] tweaked toml for git repo https://github.com/meiyoutoufa/expression_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/meiyoutoufa/expression_rust on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/meiyoutoufa/expression_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] testing meiyoutoufa/expression_rust against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeiyoutoufa%2Fexpression_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/meiyoutoufa/expression_rust [INFO] finished tweaking git repo https://github.com/meiyoutoufa/expression_rust [INFO] tweaked toml for git repo https://github.com/meiyoutoufa/expression_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/meiyoutoufa/expression_rust on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/meiyoutoufa/expression_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 402af1ad7c42ff5867f35680d75e2b3c769759f9ba850f64e7aad397c1dc0f55 [INFO] running `Command { std: "docker" "start" "-a" "402af1ad7c42ff5867f35680d75e2b3c769759f9ba850f64e7aad397c1dc0f55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "402af1ad7c42ff5867f35680d75e2b3c769759f9ba850f64e7aad397c1dc0f55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "402af1ad7c42ff5867f35680d75e2b3c769759f9ba850f64e7aad397c1dc0f55", kill_on_drop: false }` [INFO] [stdout] 402af1ad7c42ff5867f35680d75e2b3c769759f9ba850f64e7aad397c1dc0f55 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }` [INFO] [stdout] 7eaaa4df581e124479f2bbb6561dec797fef89dfff92db23b2806cdc4b3ecd11 [INFO] running `Command { std: "docker" "start" "-a" "7eaaa4df581e124479f2bbb6561dec797fef89dfff92db23b2806cdc4b3ecd11", kill_on_drop: false }` [INFO] [stderr] Compiling expression v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/expression.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | let mut posfix = Self::infix_to_postfix(self, expr); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut expr = "10 + 5 * ( 20 - 10 / 2 + 1 ) - 100 / 10 > 30 && 30 < 100 || 20 * 3 > 100 || 1 != 100"; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/expression.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | let mut posfix = Self::infix_to_postfix(self, expr); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_empty` and `size` are never used [INFO] [stdout] --> src/stack.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 5 | impl Stack { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_empty` and `size` are never used [INFO] [stdout] --> src/stack.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 5 | impl Stack { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | CString::from_raw(*result.add(index)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = CString::from_raw(*result.add(index)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | Box::from_raw(result); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = Box::from_raw(result); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "7eaaa4df581e124479f2bbb6561dec797fef89dfff92db23b2806cdc4b3ecd11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7eaaa4df581e124479f2bbb6561dec797fef89dfff92db23b2806cdc4b3ecd11", kill_on_drop: false }` [INFO] [stdout] 7eaaa4df581e124479f2bbb6561dec797fef89dfff92db23b2806cdc4b3ecd11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }` [INFO] [stdout] 98ac0de22eb688df7c08397503963a224e2b41ac898a3dd0a779d007097cf32c [INFO] running `Command { std: "docker" "start" "-a" "98ac0de22eb688df7c08397503963a224e2b41ac898a3dd0a779d007097cf32c", kill_on_drop: false }` [INFO] [stderr] Compiling expression v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/expression.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | let mut posfix = Self::infix_to_postfix(self, expr); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_empty` and `size` are never used [INFO] [stdout] --> src/stack.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 5 | impl Stack { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/expression.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | let mut posfix = Self::infix_to_postfix(self, expr); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut expr = "10 + 5 * ( 20 - 10 / 2 + 1 ) - 100 / 10 > 30 && 30 < 100 || 20 * 3 > 100 || 1 != 100"; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_empty` and `size` are never used [INFO] [stdout] --> src/stack.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 5 | impl Stack { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | CString::from_raw(*result.add(index)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = CString::from_raw(*result.add(index)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | Box::from_raw(result); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = Box::from_raw(result); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "98ac0de22eb688df7c08397503963a224e2b41ac898a3dd0a779d007097cf32c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98ac0de22eb688df7c08397503963a224e2b41ac898a3dd0a779d007097cf32c", kill_on_drop: false }` [INFO] [stdout] 98ac0de22eb688df7c08397503963a224e2b41ac898a3dd0a779d007097cf32c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }` [INFO] [stdout] ff000e995837e455854972c314ab4eadc0ed18db2c9417068baaf7e6f7793e02 [INFO] running `Command { std: "docker" "start" "-a" "ff000e995837e455854972c314ab4eadc0ed18db2c9417068baaf7e6f7793e02", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/expression.rs:140:13 [INFO] [stderr] | [INFO] [stderr] 140 | let mut posfix = Self::infix_to_postfix(self, expr); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: methods `is_empty` and `size` are never used [INFO] [stderr] --> src/stack.rs:18:12 [INFO] [stderr] | [INFO] [stderr] 5 | impl Stack { [INFO] [stderr] | ---------------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 18 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 21 | pub fn size(&self) -> usize { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `CString::from_raw` that must be used [INFO] [stderr] --> src/lib.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | CString::from_raw(*result.add(index)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 65 | let _ = CString::from_raw(*result.add(index)); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stderr] --> src/lib.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | Box::from_raw(result); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 69 | let _ = Box::from_raw(result); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `expression` (lib test) generated 4 warnings (run `cargo fix --lib -p expression --tests` to apply 1 suggestion) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let mut expr = "10 + 5 * ( 20 - 10 / 2 + 1 ) - 100 / 10 > 30 && 30 < 100 || 20 * 3 > 100 || 1 != 100"; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `expression` (bin "expression" test) generated 3 warnings (2 duplicates) (run `cargo fix --bin "expression" -p expression --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/build/expression/3df8ff526cf16ac6/deps/expression-3df8ff526cf16ac6) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/build/expression/89a6ea001fb91f29/deps/expression-89a6ea001fb91f29) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ff000e995837e455854972c314ab4eadc0ed18db2c9417068baaf7e6f7793e02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff000e995837e455854972c314ab4eadc0ed18db2c9417068baaf7e6f7793e02", kill_on_drop: false }` [INFO] [stdout] ff000e995837e455854972c314ab4eadc0ed18db2c9417068baaf7e6f7793e02