[INFO] cloning repository https://github.com/million-monkeys/cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/million-monkeys/cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmillion-monkeys%2Fcli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmillion-monkeys%2Fcli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf4cf980487a3e7de0e21162be6cb9bebc8efe7b
[INFO] checking million-monkeys/cli against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmillion-monkeys%2Fcli" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/million-monkeys/cli
[INFO] finished tweaking git repo https://github.com/million-monkeys/cli
[INFO] tweaked toml for git repo https://github.com/million-monkeys/cli written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/million-monkeys/cli on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/million-monkeys/cli 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 008ec099f3d01390c7254f410afa4cdbe3e4155f8b9c193990402361514a447b
[INFO] running `Command { std: "docker" "start" "-a" "008ec099f3d01390c7254f410afa4cdbe3e4155f8b9c193990402361514a447b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "008ec099f3d01390c7254f410afa4cdbe3e4155f8b9c193990402361514a447b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008ec099f3d01390c7254f410afa4cdbe3e4155f8b9c193990402361514a447b", kill_on_drop: false }`
[INFO] [stdout] 008ec099f3d01390c7254f410afa4cdbe3e4155f8b9c193990402361514a447b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3db02743ac39191523bf6160354bd58c587d82973685eff57758b5416d9e4971
[INFO] running `Command { std: "docker" "start" "-a" "3db02743ac39191523bf6160354bd58c587d82973685eff57758b5416d9e4971", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking num_threads v0.1.5
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking anymap2 v0.13.0
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling rust-embed-utils v7.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking combine v4.6.3
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking strum v0.24.0
[INFO] [stderr]     Checking case_style v0.2.1
[INFO] [stderr]    Compiling proc-quote v0.4.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling liquid-derive v0.26.0
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling rust-embed-impl v6.2.0
[INFO] [stderr]    Compiling strum_macros v0.24.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking rust-embed v6.3.0
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking clap v3.1.8
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking toml_edit v0.14.2
[INFO] [stderr]     Checking kstring v2.0.0
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking liquid-core v0.26.0
[INFO] [stderr]     Checking liquid-lib v0.26.0
[INFO] [stderr]     Checking liquid v0.26.0
[INFO] [stderr]     Checking million-monkeys-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `strum_macros::Display`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use strum_macros::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/components.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `value`
[INFO] [stdout]  --> src/components.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use toml_edit::{value, ArrayOfTables, Document, Item, Table};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/events.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Table` and `value`
[INFO] [stdout]  --> src/events.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use toml_edit::{value, Document, Item, Table};
[INFO] [stdout]   |                 ^^^^^                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::components`
[INFO] [stdout]  --> src/module.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::components;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `strum_macros::Display`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use strum_macros::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/components.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `value`
[INFO] [stdout]  --> src/components.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use toml_edit::{value, ArrayOfTables, Document, Item, Table};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/events.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Table` and `value`
[INFO] [stdout]  --> src/events.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use toml_edit::{value, Document, Item, Table};
[INFO] [stdout]   |                 ^^^^^                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::components`
[INFO] [stdout]  --> src/module.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::components;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_path`
[INFO] [stdout]   --> src/module.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let base_path = get_base_path(module, project);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `project`
[INFO] [stdout]    --> src/project.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn dev(project: &str) {}
[INFO] [stdout]     |            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_project`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/project.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let output = Command::new(binary)
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | /         /// Project name
[INFO] [stdout] 26 | |         name: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | /         /// Module name
[INFO] [stdout] 36 | |         name: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         /// Selects a project
[INFO] [stdout] 39 | |         #[clap(short, long, value_name = "PROJECT")]
[INFO] [stdout] 40 | |         project: Option<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | /         #[clap(short, long, value_name = "BUILDDIR")]
[INFO] [stdout] 60 | |         builddir: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 | /         /// Source TOML file
[INFO] [stdout] 92 | |         source: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 | /         /// Destination directory
[INFO] [stdout] 94 | |         destination: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `million-monkeys-cli` (bin "mm") due to 6 previous errors; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `base_path`
[INFO] [stdout]   --> src/module.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let base_path = get_base_path(module, project);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `project`
[INFO] [stdout]    --> src/project.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn dev(project: &str) {}
[INFO] [stdout]     |            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_project`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/project.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let output = Command::new(binary)
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | /         /// Project name
[INFO] [stdout] 26 | |         name: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | /         /// Module name
[INFO] [stdout] 36 | |         name: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         /// Selects a project
[INFO] [stdout] 39 | |         #[clap(short, long, value_name = "PROJECT")]
[INFO] [stdout] 40 | |         project: Option<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | /         #[clap(short, long, value_name = "BUILDDIR")]
[INFO] [stdout] 60 | |         builddir: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 | /         /// Source TOML file
[INFO] [stdout] 92 | |         source: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 | /         /// Destination directory
[INFO] [stdout] 94 | |         destination: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `million-monkeys-cli` (bin "mm" test) due to 6 previous errors; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3db02743ac39191523bf6160354bd58c587d82973685eff57758b5416d9e4971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db02743ac39191523bf6160354bd58c587d82973685eff57758b5416d9e4971", kill_on_drop: false }`
[INFO] [stdout] 3db02743ac39191523bf6160354bd58c587d82973685eff57758b5416d9e4971
