[INFO] cloning repository https://github.com/dregmi08/cobra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dregmi08/cobra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdregmi08%2Fcobra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdregmi08%2Fcobra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98e8f62a6f7cff4ff3016e9acd206f10dfa0d98f
[INFO] checking dregmi08/cobra against try#6713fa75964eb229409a9c6f6f5c418423e313ff for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdregmi08%2Fcobra" "/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/dregmi08/cobra
[INFO] finished tweaking git repo https://github.com/dregmi08/cobra
[INFO] tweaked toml for git repo https://github.com/dregmi08/cobra written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dregmi08/cobra on toolchain 6713fa75964eb229409a9c6f6f5c418423e313ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dregmi08/cobra 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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sexp v1.1.4
[INFO] [stderr]   Downloaded prettydiff v0.6.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.102
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1b2dbf2bcf01296ea978b78c52d19fd8cae08c3839a426dc181e7ad9067a4e7
[INFO] running `Command { std: "docker" "start" "-a" "c1b2dbf2bcf01296ea978b78c52d19fd8cae08c3839a426dc181e7ad9067a4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1b2dbf2bcf01296ea978b78c52d19fd8cae08c3839a426dc181e7ad9067a4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b2dbf2bcf01296ea978b78c52d19fd8cae08c3839a426dc181e7ad9067a4e7", kill_on_drop: false }`
[INFO] [stdout] c1b2dbf2bcf01296ea978b78c52d19fd8cae08c3839a426dc181e7ad9067a4e7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1650ad57c541d57efda99f0cf5e5f4dfb6d646e39ed2997abdd495705447439
[INFO] running `Command { std: "docker" "start" "-a" "d1650ad57c541d57efda99f0cf5e5f4dfb6d646e39ed2997abdd495705447439", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.102
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking sexp v1.1.4
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking prettytable-rs v0.10.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling dynasm v2.0.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking prettydiff v0.6.4
[INFO] [stderr]     Checking dynasmrt v2.0.0
[INFO] [stderr]     Checking cobra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufReader`, `fs::File`, and `sync::mpsc`
[INFO] [stdout]  --> tests/infra/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fs::File, io::{prelude::*, BufReader, Write}, path::{Path, PathBuf}, process::{Command, Stdio}, sync::mpsc, thread, time::Duration
[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 imports: `BufReader`, `fs::File`, and `sync::mpsc`
[INFO] [stdout]  --> tests/infra/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fs::File, io::{prelude::*, BufReader, Write}, path::{Path, PathBuf}, process::{Command, Stdio}, sync::mpsc, thread, time::Duration
[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 import: `DynamicLabel`
[INFO] [stdout]  --> src/main.rs:9:51
[INFO] [stdout]   |
[INFO] [stdout] 9 | use dynasmrt::{dynasm, DynasmApi, DynasmLabelApi, DynamicLabel};
[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 import: `DynamicLabel`
[INFO] [stdout]  --> src/main.rs:9:51
[INFO] [stdout]   |
[INFO] [stdout] 9 | use dynasmrt::{dynasm, DynasmApi, DynasmLabelApi, DynamicLabel};
[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 import: `prelude`
[INFO] [stdout]  --> tests/infra/mod.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fs::File, io::{prelude::*, BufReader, Write}, path::{Path, PathBuf}, process::{Command, Stdio}, sync::mpsc, thread, time::Duration
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e1`
[INFO] [stdout]   --> tests/infra/mod.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         Ok((e1,e2)) => panic!("expected a failure, but compilation succeeded"),
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_e1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e2`
[INFO] [stdout]   --> tests/infra/mod.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |         Ok((e1,e2)) => panic!("expected a failure, but compilation succeeded"),
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_e2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_trim`
[INFO] [stdout]    --> tests/infra/mod.rs:202:20
[INFO] [stdout]     |
[INFO] [stdout] 202 |         for (flag, actual_trim, raw) in &failed_flags {
[INFO] [stdout]     |                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_trim`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]  --> tests/infra/mod.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fs::File, io::{prelude::*, BufReader, Write}, path::{Path, PathBuf}, process::{Command, Stdio}, sync::mpsc, thread, time::Duration
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e1`
[INFO] [stdout]   --> tests/infra/mod.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         Ok((e1,e2)) => panic!("expected a failure, but compilation succeeded"),
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_e1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e2`
[INFO] [stdout]   --> tests/infra/mod.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |         Ok((e1,e2)) => panic!("expected a failure, but compilation succeeded"),
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_e2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_trim`
[INFO] [stdout]    --> tests/infra/mod.rs:202:20
[INFO] [stdout]     |
[INFO] [stdout] 202 |         for (flag, actual_trim, raw) in &failed_flags {
[INFO] [stdout]     |                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_trim`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `RuntimeError` and `StaticError` are never constructed
[INFO] [stdout]   --> tests/infra/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) enum TestKind {
[INFO] [stdout]    |                 -------- variants in this enum
[INFO] [stdout] 14 |     Success,
[INFO] [stdout] 15 |     RuntimeError,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 16 |     StaticError,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_repl_sequence_test` is never used
[INFO] [stdout]    --> tests/infra/mod.rs:224:15
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub(crate) fn run_repl_sequence_test(name: &str, commands: &[&str], expected_outputs: &[&str]) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_repl_output` is never used
[INFO] [stdout]    --> tests/infra/mod.rs:255:4
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn parse_repl_output(raw_output: &str) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_repl_with_timeout` is never used
[INFO] [stdout]    --> tests/infra/mod.rs:281:4
[INFO] [stdout]     |
[INFO] [stdout] 281 | fn run_repl_with_timeout(commands: &[&str], timeout_ms: u64) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]    --> src/main.rs:596:22
[INFO] [stdout]     |
[INFO] [stdout] 596 |         Expr::Define(var, e) => {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/main.rs:775:30
[INFO] [stdout]     |
[INFO] [stdout] 775 | fn get_static_type(e: &Expr, env: &HashMap<String, i32>, define_env: &HashMap<String, DefineValue>) -> Option<bool> {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]     --> src/main.rs:1237:22
[INFO] [stdout]      |
[INFO] [stdout] 1237 |         Expr::Define(var, expr) => {
[INFO] [stdout]      |                      ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]    --> src/main.rs:596:22
[INFO] [stdout]     |
[INFO] [stdout] 596 |         Expr::Define(var, e) => {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/main.rs:775:30
[INFO] [stdout]     |
[INFO] [stdout] 775 | fn get_static_type(e: &Expr, env: &HashMap<String, i32>, define_env: &HashMap<String, DefineValue>) -> Option<bool> {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             repl(flag);
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 145 |             let _ = repl(flag);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]     --> src/main.rs:1237:22
[INFO] [stdout]      |
[INFO] [stdout] 1237 |         Expr::Define(var, expr) => {
[INFO] [stdout]      |                      ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             repl(flag);
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 145 |             let _ = repl(flag);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.75s
[INFO] running `Command { std: "docker" "inspect" "d1650ad57c541d57efda99f0cf5e5f4dfb6d646e39ed2997abdd495705447439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1650ad57c541d57efda99f0cf5e5f4dfb6d646e39ed2997abdd495705447439", kill_on_drop: false }`
[INFO] [stdout] d1650ad57c541d57efda99f0cf5e5f4dfb6d646e39ed2997abdd495705447439
