[INFO] cloning repository https://github.com/liesnikov/mlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liesnikov/mlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliesnikov%2Fmlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliesnikov%2Fmlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6df18d454865b3d4b0c4ee24ed63ef8b2325a4f1
[INFO] testing liesnikov/mlang against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliesnikov%2Fmlang" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/liesnikov/mlang
[INFO] finished tweaking git repo https://github.com/liesnikov/mlang
[INFO] tweaked toml for git repo https://github.com/liesnikov/mlang written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/liesnikov/mlang on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/liesnikov/mlang 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dea7ce19be8acb830da68ff7cf862eb54203299634afb61eccd7aeecbd863cc
[INFO] running `Command { std: "docker" "start" "-a" "4dea7ce19be8acb830da68ff7cf862eb54203299634afb61eccd7aeecbd863cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dea7ce19be8acb830da68ff7cf862eb54203299634afb61eccd7aeecbd863cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dea7ce19be8acb830da68ff7cf862eb54203299634afb61eccd7aeecbd863cc", kill_on_drop: false }`
[INFO] [stdout] 4dea7ce19be8acb830da68ff7cf862eb54203299634afb61eccd7aeecbd863cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd99655cea16ecf9ca984b2f0b5200d0924416988d2424a72e9e8470326874b1
[INFO] running `Command { std: "docker" "start" "-a" "cd99655cea16ecf9ca984b2f0b5200d0924416988d2424a72e9e8470326874b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.4
[INFO] [stderr]    Compiling serde_yaml v0.9.13
[INFO] [stderr]    Compiling mlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MBool` is never constructed
[INFO] [stdout]  --> src/mlang/expr.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MBool {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MMinus` is never constructed
[INFO] [stdout]   --> src/mlang/expr.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct MMinus{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mminus` is never used
[INFO] [stdout]   --> src/mlang/expr.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn mminus(l : Box<dyn MExpr<isize>>, r : Box<dyn MExpr<isize>>) -> Box<dyn MExpr<isize>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `muminus` is never used
[INFO] [stdout]   --> src/mlang/expr.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn muminus(i : Box<dyn MExpr<isize>>) -> Box<dyn MExpr<isize>> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MBoolV` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct MBoolV {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mbool` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub fn mbool(b : bool) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MBoolNeg` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct MBoolNeg {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mboolneg` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn mboolneg(b : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MAnd` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub struct MAnd{
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mand` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub fn mand(l : Box<dyn MExpr<bool>>, r : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MOr` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub struct MOr{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mor` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub fn mor(l : Box<dyn MExpr<bool>>, r : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MIf` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub struct MIf<T>{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mif` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub fn mif<T>(c : Box<dyn MExpr<bool>>,
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.15s
[INFO] running `Command { std: "docker" "inspect" "cd99655cea16ecf9ca984b2f0b5200d0924416988d2424a72e9e8470326874b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd99655cea16ecf9ca984b2f0b5200d0924416988d2424a72e9e8470326874b1", kill_on_drop: false }`
[INFO] [stdout] cd99655cea16ecf9ca984b2f0b5200d0924416988d2424a72e9e8470326874b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef1c3ed8a84d737aebf33ab03bf2b111f08807dd7188fa4cab5d11323dd750e2
[INFO] running `Command { std: "docker" "start" "-a" "ef1c3ed8a84d737aebf33ab03bf2b111f08807dd7188fa4cab5d11323dd750e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MBool` is never constructed
[INFO] [stdout]  --> src/mlang/expr.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MBool {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MMinus` is never constructed
[INFO] [stdout]   --> src/mlang/expr.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct MMinus{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mminus` is never used
[INFO] [stdout]   --> src/mlang/expr.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn mminus(l : Box<dyn MExpr<isize>>, r : Box<dyn MExpr<isize>>) -> Box<dyn MExpr<isize>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `muminus` is never used
[INFO] [stdout]   --> src/mlang/expr.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn muminus(i : Box<dyn MExpr<isize>>) -> Box<dyn MExpr<isize>> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MBoolV` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct MBoolV {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mbool` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub fn mbool(b : bool) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MBoolNeg` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct MBoolNeg {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mboolneg` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn mboolneg(b : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MAnd` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub struct MAnd{
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mand` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub fn mand(l : Box<dyn MExpr<bool>>, r : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MOr` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub struct MOr{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mor` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub fn mor(l : Box<dyn MExpr<bool>>, r : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MIf` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub struct MIf<T>{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mif` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub fn mif<T>(c : Box<dyn MExpr<bool>>,
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "ef1c3ed8a84d737aebf33ab03bf2b111f08807dd7188fa4cab5d11323dd750e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1c3ed8a84d737aebf33ab03bf2b111f08807dd7188fa4cab5d11323dd750e2", kill_on_drop: false }`
[INFO] [stdout] ef1c3ed8a84d737aebf33ab03bf2b111f08807dd7188fa4cab5d11323dd750e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17c4e629ff81e44d48ecfb4e71bbdb5ca609eab3577485b102b1d74c3507e70c
[INFO] running `Command { std: "docker" "start" "-a" "17c4e629ff81e44d48ecfb4e71bbdb5ca609eab3577485b102b1d74c3507e70c", kill_on_drop: false }`
[INFO] [stderr] warning: struct `MBool` is never constructed
[INFO] [stderr]  --> src/mlang/expr.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct MBool {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MMinus` is never constructed
[INFO] [stderr]   --> src/mlang/expr.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub struct MMinus{
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mminus` is never used
[INFO] [stderr]   --> src/mlang/expr.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub fn mminus(l : Box<dyn MExpr<isize>>, r : Box<dyn MExpr<isize>>) -> Box<dyn MExpr<isize>> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `muminus` is never used
[INFO] [stderr]   --> src/mlang/expr.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn muminus(i : Box<dyn MExpr<isize>>) -> Box<dyn MExpr<isize>> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MBoolV` is never constructed
[INFO] [stderr]    --> src/mlang/expr.rs:127:12
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub struct MBoolV {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mbool` is never used
[INFO] [stderr]    --> src/mlang/expr.rs:131:8
[INFO] [stderr]     |
[INFO] [stderr] 131 | pub fn mbool(b : bool) -> Box<dyn MExpr<bool>> {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MBoolNeg` is never constructed
[INFO] [stderr]    --> src/mlang/expr.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 143 | pub struct MBoolNeg {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mboolneg` is never used
[INFO] [stderr]    --> src/mlang/expr.rs:147:8
[INFO] [stderr]     |
[INFO] [stderr] 147 | pub fn mboolneg(b : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MAnd` is never constructed
[INFO] [stderr]    --> src/mlang/expr.rs:162:12
[INFO] [stderr]     |
[INFO] [stderr] 162 | pub struct MAnd{
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mand` is never used
[INFO] [stderr]    --> src/mlang/expr.rs:167:8
[INFO] [stderr]     |
[INFO] [stderr] 167 | pub fn mand(l : Box<dyn MExpr<bool>>, r : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MOr` is never constructed
[INFO] [stderr]    --> src/mlang/expr.rs:184:12
[INFO] [stderr]     |
[INFO] [stderr] 184 | pub struct MOr{
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mor` is never used
[INFO] [stderr]    --> src/mlang/expr.rs:189:8
[INFO] [stderr]     |
[INFO] [stderr] 189 | pub fn mor(l : Box<dyn MExpr<bool>>, r : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MIf` is never constructed
[INFO] [stderr]    --> src/mlang/expr.rs:206:12
[INFO] [stderr]     |
[INFO] [stderr] 206 | pub struct MIf<T>{
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mif` is never used
[INFO] [stderr]    --> src/mlang/expr.rs:212:8
[INFO] [stderr]     |
[INFO] [stderr] 212 | pub fn mif<T>(c : Box<dyn MExpr<bool>>,
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mlang` (bin "mlangc" test) generated 14 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mlangc-f1b20a8d782e096a)
[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" "17c4e629ff81e44d48ecfb4e71bbdb5ca609eab3577485b102b1d74c3507e70c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c4e629ff81e44d48ecfb4e71bbdb5ca609eab3577485b102b1d74c3507e70c", kill_on_drop: false }`
[INFO] [stdout] 17c4e629ff81e44d48ecfb4e71bbdb5ca609eab3577485b102b1d74c3507e70c
