[INFO] cloning repository https://github.com/jehuddleston/RustShell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jehuddleston/RustShell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjehuddleston%2FRustShell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjehuddleston%2FRustShell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13a9f396c9e88e56508bbff158c6eef2fe262609
[INFO] checking jehuddleston/RustShell against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjehuddleston%2FRustShell" "/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/jehuddleston/RustShell
[INFO] finished tweaking git repo https://github.com/jehuddleston/RustShell
[INFO] tweaked toml for git repo https://github.com/jehuddleston/RustShell written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jehuddleston/RustShell on toolchain e90f1ff63e694965281f833819a486da29772bdf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jehuddleston/RustShell 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" "+e90f1ff63e694965281f833819a486da29772bdf" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking jehuddleston/RustShell against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjehuddleston%2FRustShell" "/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/jehuddleston/RustShell
[INFO] finished tweaking git repo https://github.com/jehuddleston/RustShell
[INFO] tweaked toml for git repo https://github.com/jehuddleston/RustShell written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jehuddleston/RustShell on toolchain e90f1ff63e694965281f833819a486da29772bdf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jehuddleston/RustShell 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" "+e90f1ff63e694965281f833819a486da29772bdf" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking jehuddleston/RustShell against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjehuddleston%2FRustShell" "/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/jehuddleston/RustShell
[INFO] finished tweaking git repo https://github.com/jehuddleston/RustShell
[INFO] tweaked toml for git repo https://github.com/jehuddleston/RustShell written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jehuddleston/RustShell on toolchain e90f1ff63e694965281f833819a486da29772bdf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jehuddleston/RustShell 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" "+e90f1ff63e694965281f833819a486da29772bdf" "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] 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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31e6008489891b6b97d54d8e3753d6337115155311bc8cf056fb9f9db1a5ca61
[INFO] running `Command { std: "docker" "start" "-a" "31e6008489891b6b97d54d8e3753d6337115155311bc8cf056fb9f9db1a5ca61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31e6008489891b6b97d54d8e3753d6337115155311bc8cf056fb9f9db1a5ca61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e6008489891b6b97d54d8e3753d6337115155311bc8cf056fb9f9db1a5ca61", kill_on_drop: false }`
[INFO] [stdout] 31e6008489891b6b97d54d8e3753d6337115155311bc8cf056fb9f9db1a5ca61
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea06e11af0264942eb978aed48b62f453c842ed4bdb3dc5bc074866b3917e3d6
[INFO] running `Command { std: "docker" "start" "-a" "ea06e11af0264942eb978aed48b62f453c842ed4bdb3dc5bc074866b3917e3d6", kill_on_drop: false }`
[INFO] [stderr]     Checking rustshell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::Split`
[INFO] [stdout]  --> src/stringparser/stringparser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::Split;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/commandmanager/commandmanager.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Split`
[INFO] [stdout]  --> src/stringparser/stringparser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::Split;
[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 variable: `ret`
[INFO] [stdout]   --> src/commandmanager/commandmanager.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |          let ret = self.commands.insert(command.to_string(),f);
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]   --> src/commandmanager/commandmanager.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |          let ret = self.commands.insert(command.to_string(),f);
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/commandmanager/commandmanager.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 |         fn one(args: Vec<String>) -> String{
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/commandmanager/commandmanager.rs:81:16
[INFO] [stdout]    |
[INFO] [stdout] 81 |         fn two(args: Vec<String>) -> String{
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         stdout().flush();
[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] 23 |         let _ = stdout().flush();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         stdout().flush();
[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] 23 |         let _ = stdout().flush();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "ea06e11af0264942eb978aed48b62f453c842ed4bdb3dc5bc074866b3917e3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea06e11af0264942eb978aed48b62f453c842ed4bdb3dc5bc074866b3917e3d6", kill_on_drop: false }`
[INFO] [stdout] ea06e11af0264942eb978aed48b62f453c842ed4bdb3dc5bc074866b3917e3d6