[INFO] cloning repository https://github.com/BraedonWooding/CVM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BraedonWooding/CVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBraedonWooding%2FCVM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBraedonWooding%2FCVM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e56aca584335420d8f22a7eddd54c23fa94316d
[INFO] checking BraedonWooding/CVM against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBraedonWooding%2FCVM" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BraedonWooding/CVM on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BraedonWooding/CVM
[INFO] finished tweaking git repo https://github.com/BraedonWooding/CVM
[INFO] tweaked toml for git repo https://github.com/BraedonWooding/CVM written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/BraedonWooding/CVM already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10b1c6c22f153b0144bb73e564ab11dd43acd5390e479059fccbd25af8545dae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "10b1c6c22f153b0144bb73e564ab11dd43acd5390e479059fccbd25af8545dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10b1c6c22f153b0144bb73e564ab11dd43acd5390e479059fccbd25af8545dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b1c6c22f153b0144bb73e564ab11dd43acd5390e479059fccbd25af8545dae", kill_on_drop: false }`
[INFO] [stdout] 10b1c6c22f153b0144bb73e564ab11dd43acd5390e479059fccbd25af8545dae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f87861a0c932f1e4c4847c8823424f42b584949443c84b56a9ba6bd98629e28
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8f87861a0c932f1e4c4847c8823424f42b584949443c84b56a9ba6bd98629e28", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking atomic-counter v1.0.1
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking tui v0.7.0
[INFO] [stderr]     Checking simple_logger v1.3.0
[INFO] [stderr]    Compiling enum-as-inner v0.3.0
[INFO] [stderr]     Checking cvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ast::*`
[INFO] [stdout]  --> src/c_transpiler.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ast::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::*`
[INFO] [stdout]  --> src/compiler/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ast::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::*`
[INFO] [stdout]  --> src/compiler/type_check.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ast::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/compiler/type_check.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use log::{info, warn};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::*`
[INFO] [stdout]  --> src/compiler/type_infer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ast::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `trace`
[INFO] [stdout]  --> src/logger.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{info, trace, warn};
[INFO] [stdout]   |           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::compiler::ast::*`
[INFO] [stdout]  --> src/logger.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::compiler::ast::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::compiler::parser::*`
[INFO] [stdout]  --> src/logger.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::compiler::parser::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::*`
[INFO] [stdout]  --> src/c_transpiler.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ast::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::*`
[INFO] [stdout]  --> src/compiler/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ast::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::*`
[INFO] [stdout]  --> src/compiler/type_check.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ast::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/compiler/type_check.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use log::{info, warn};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::*`
[INFO] [stdout]  --> src/compiler/type_infer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ast::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `trace`
[INFO] [stdout]  --> src/logger.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{info, trace, warn};
[INFO] [stdout]   |           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::compiler::ast::*`
[INFO] [stdout]  --> src/logger.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::compiler::ast::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::compiler::parser::*`
[INFO] [stdout]  --> src/logger.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::compiler::parser::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `init`
[INFO] [stdout]    --> src/compiler/type_check.rs:354:40
[INFO] [stdout]     |
[INFO] [stdout] 354 |             ExprKind::Init(ref mut ty, ref mut init) => {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]    --> src/compiler/type_check.rs:481:17
[INFO] [stdout]     |
[INFO] [stdout] 481 |                 ref mut cond,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `if_true`
[INFO] [stdout]    --> src/compiler/type_check.rs:482:17
[INFO] [stdout]     |
[INFO] [stdout] 482 |                 ref mut if_true,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try ignoring the field: `if_true: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `if_false`
[INFO] [stdout]    --> src/compiler/type_check.rs:483:17
[INFO] [stdout]     |
[INFO] [stdout] 483 |                 ref mut if_false,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: try ignoring the field: `if_false: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/compiler/type_infer.rs:132:44
[INFO] [stdout]     |
[INFO] [stdout] 132 |             ExprKind::Member(ref mut expr, id) => {
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/compiler/type_infer.rs:142:35
[INFO] [stdout]     |
[INFO] [stdout] 142 |             ExprKind::GenFuncCall(id, gen_args, args) => {
[INFO] [stdout]     |                                   ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gen_args`
[INFO] [stdout]    --> src/compiler/type_infer.rs:142:39
[INFO] [stdout]     |
[INFO] [stdout] 142 |             ExprKind::GenFuncCall(id, gen_args, args) => {
[INFO] [stdout]     |                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gen_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/compiler/type_infer.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 ref mut args,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/compiler/type_infer.rs:263:17
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 ref mut block,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: try ignoring the field: `block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `init`
[INFO] [stdout]    --> src/compiler/type_check.rs:354:40
[INFO] [stdout]     |
[INFO] [stdout] 354 |             ExprKind::Init(ref mut ty, ref mut init) => {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]    --> src/compiler/type_check.rs:481:17
[INFO] [stdout]     |
[INFO] [stdout] 481 |                 ref mut cond,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `if_true`
[INFO] [stdout]    --> src/compiler/type_check.rs:482:17
[INFO] [stdout]     |
[INFO] [stdout] 482 |                 ref mut if_true,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try ignoring the field: `if_true: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `if_false`
[INFO] [stdout]    --> src/compiler/type_check.rs:483:17
[INFO] [stdout]     |
[INFO] [stdout] 483 |                 ref mut if_false,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: try ignoring the field: `if_false: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/compiler/type_infer.rs:132:44
[INFO] [stdout]     |
[INFO] [stdout] 132 |             ExprKind::Member(ref mut expr, id) => {
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/compiler/type_infer.rs:142:35
[INFO] [stdout]     |
[INFO] [stdout] 142 |             ExprKind::GenFuncCall(id, gen_args, args) => {
[INFO] [stdout]     |                                   ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gen_args`
[INFO] [stdout]    --> src/compiler/type_infer.rs:142:39
[INFO] [stdout]     |
[INFO] [stdout] 142 |             ExprKind::GenFuncCall(id, gen_args, args) => {
[INFO] [stdout]     |                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gen_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/compiler/type_infer.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 ref mut args,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/compiler/type_infer.rs:263:17
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 ref mut block,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: try ignoring the field: `block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/compiler/type_infer.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     std::mem::replace(&mut *cpy.borrow_mut(), decl.decl_type.clone());
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/compiler/type_infer.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     std::mem::replace(&mut *cpy.borrow_mut(), decl.decl_type.clone());
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cvm_lib::compiler::ast::*`
[INFO] [stdout]  --> tests/unification_tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cvm_lib::compiler::ast::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cvm_lib::compiler::scope::*`
[INFO] [stdout]  --> tests/unification_tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cvm_lib::compiler::scope::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> tests/unification_tests.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `test_sets` should have an upper case name
[INFO] [stdout]   --> tests/misc_tests.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const test_sets: &'static [&'static str] = &[
[INFO] [stdout]    |       ^^^^^^^^^ help: convert the identifier to upper case: `TEST_SETS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.05s
[INFO] running `Command { std: "docker" "inspect" "8f87861a0c932f1e4c4847c8823424f42b584949443c84b56a9ba6bd98629e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f87861a0c932f1e4c4847c8823424f42b584949443c84b56a9ba6bd98629e28", kill_on_drop: false }`
[INFO] [stdout] 8f87861a0c932f1e4c4847c8823424f42b584949443c84b56a9ba6bd98629e28