[INFO] cloning repository https://github.com/dregmi08/hydraboa-dregmi08
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dregmi08/hydraboa-dregmi08" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdregmi08%2Fhydraboa-dregmi08", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdregmi08%2Fhydraboa-dregmi08'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9044320401febd94b63418af4d7581fa733248ef
[INFO] checking dregmi08/hydraboa-dregmi08 against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdregmi08%2Fhydraboa-dregmi08" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dregmi08/hydraboa-dregmi08
[INFO] finished tweaking git repo https://github.com/dregmi08/hydraboa-dregmi08
[INFO] tweaked toml for git repo https://github.com/dregmi08/hydraboa-dregmi08 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dregmi08/hydraboa-dregmi08 on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dregmi08/hydraboa-dregmi08 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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking dregmi08/hydraboa-dregmi08 against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdregmi08%2Fhydraboa-dregmi08" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dregmi08/hydraboa-dregmi08
[INFO] finished tweaking git repo https://github.com/dregmi08/hydraboa-dregmi08
[INFO] tweaked toml for git repo https://github.com/dregmi08/hydraboa-dregmi08 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dregmi08/hydraboa-dregmi08 on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dregmi08/hydraboa-dregmi08 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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "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 dynasmrt v2.0.0
[INFO] [stderr]   Downloaded sexp v1.1.4
[INFO] [stderr]   Downloaded dynasm v2.0.0
[INFO] [stderr]   Downloaded prettydiff v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d28a6b4886f8ce5a4cb4615378d88bb169b7f1db3bc9ab78de10f096e755c008
[INFO] running `Command { std: "docker" "start" "-a" "d28a6b4886f8ce5a4cb4615378d88bb169b7f1db3bc9ab78de10f096e755c008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d28a6b4886f8ce5a4cb4615378d88bb169b7f1db3bc9ab78de10f096e755c008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d28a6b4886f8ce5a4cb4615378d88bb169b7f1db3bc9ab78de10f096e755c008", kill_on_drop: false }`
[INFO] [stdout] d28a6b4886f8ce5a4cb4615378d88bb169b7f1db3bc9ab78de10f096e755c008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f95b9b2ad1667f66fcd79ea0c4fb35773167be26f34ab230b95be25790046740
[INFO] running `Command { std: "docker" "start" "-a" "f95b9b2ad1667f66fcd79ea0c4fb35773167be26f34ab230b95be25790046740", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking sexp v1.1.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking prettytable-rs v0.10.0
[INFO] [stderr]     Checking prettydiff v0.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling dynasm v2.0.0
[INFO] [stderr]     Checking dynasmrt v2.0.0
[INFO] [stderr]     Checking boa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let mut define_env = HashMap::new();
[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:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |             let mut define_env = HashMap::new();
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/main.rs:235:21
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 let msg = e.downcast_ref::<&str>()
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/main.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |             let msg = e.downcast_ref::<&str>()
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/main.rs:277:28
[INFO] [stdout]     |
[INFO] [stdout] 277 |          Expr::Define(var, expr) => {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]    --> src/main.rs:356:22
[INFO] [stdout]     |
[INFO] [stdout] 356 |         Expr::Define(var, e) => {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `fs::File`, and `sync::mpsc`
[INFO] [stdout]  --> tests/infra/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     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 `Result` that must be used
[INFO] [stdout]    --> src/main.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             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] 100 |             let _ = repl(flag);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |         io::stdout().write_all(b">");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let _ = io::stdout().write_all(b">");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]  --> tests/infra/mod.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     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: `actual_trim`
[INFO] [stdout]    --> tests/infra/mod.rs:131:20
[INFO] [stdout]     |
[INFO] [stdout] 131 |         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]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_failure_test` is never used
[INFO] [stdout]    --> tests/infra/mod.rs:138:15
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub(crate) fn run_failure_test(name: &str, expected: &str) {
[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:148:15
[INFO] [stdout]     |
[INFO] [stdout] 148 | 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:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | 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:205:4
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn run_repl_with_timeout(commands: &[&str], timeout_ms: u64) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let mut define_env = HashMap::new();
[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:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |             let mut define_env = HashMap::new();
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/main.rs:235:21
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 let msg = e.downcast_ref::<&str>()
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/main.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |             let msg = e.downcast_ref::<&str>()
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/main.rs:277:28
[INFO] [stdout]     |
[INFO] [stdout] 277 |          Expr::Define(var, expr) => {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]    --> src/main.rs:356:22
[INFO] [stdout]     |
[INFO] [stdout] 356 |         Expr::Define(var, e) => {
[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:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             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] 100 |             let _ = repl(flag);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |         io::stdout().write_all(b">");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let _ = io::stdout().write_all(b">");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.81s
[INFO] running `Command { std: "docker" "inspect" "f95b9b2ad1667f66fcd79ea0c4fb35773167be26f34ab230b95be25790046740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f95b9b2ad1667f66fcd79ea0c4fb35773167be26f34ab230b95be25790046740", kill_on_drop: false }`
[INFO] [stdout] f95b9b2ad1667f66fcd79ea0c4fb35773167be26f34ab230b95be25790046740
