[INFO] cloning repository https://github.com/lmpynix/lrush
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lmpynix/lrush" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flmpynix%2Flrush", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flmpynix%2Flrush'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2809f0416cf9e0fb2c8de20dcde9dd929563d173
[INFO] testing lmpynix/lrush against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flmpynix%2Flrush" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lmpynix/lrush on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lmpynix/lrush
[INFO] finished tweaking git repo https://github.com/lmpynix/lrush
[INFO] tweaked toml for git repo https://github.com/lmpynix/lrush written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/lmpynix/lrush already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de4dd5e55b6e0f01c5fe982ec1c1bc15d8a0da502f194ab1878b560c023e89ac
[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" "de4dd5e55b6e0f01c5fe982ec1c1bc15d8a0da502f194ab1878b560c023e89ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de4dd5e55b6e0f01c5fe982ec1c1bc15d8a0da502f194ab1878b560c023e89ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4dd5e55b6e0f01c5fe982ec1c1bc15d8a0da502f194ab1878b560c023e89ac", kill_on_drop: false }`
[INFO] [stdout] de4dd5e55b6e0f01c5fe982ec1c1bc15d8a0da502f194ab1878b560c023e89ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26c6208146638fdef71d5b37dfabbdfcc75295490a20cd2da73e7b7e51b73513
[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" "26c6208146638fdef71d5b37dfabbdfcc75295490a20cd2da73e7b7e51b73513", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling termion v1.5.2
[INFO] [stderr]    Compiling rustyline v4.1.0
[INFO] [stderr]    Compiling lrush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/shellproc/builtins.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fs, env};
[INFO] [stdout]   |           ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/shellproc/builtins.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/shellproc.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 ;
[INFO] [stdout]     |                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/main.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut hist_path: path::PathBuf = env::home_dir().unwrap_or(path::PathBuf::from("."));
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/shellproc/builtins.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut new_path = match env::home_dir() {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/main.rs:63:43
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 rl.add_history_entry(line.as_ref());
[INFO] [stdout]    |                                      -----^^^^^^--
[INFO] [stdout]    |                                      |    |
[INFO] [stdout]    |                                      |    cannot infer type for struct `std::string::String`
[INFO] [stdout]    |                                      this method call resolves to `&T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/shellproc.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |         return Some(1);
[INFO] [stdout]     |         -------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 160 |     None
[INFO] [stdout]     |     ^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/shellproc/builtins.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |         std::process::exit(ret_val);
[INFO] [stdout]    |         --------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 71 |     0
[INFO] [stdout]    |     ^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lrush`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "26c6208146638fdef71d5b37dfabbdfcc75295490a20cd2da73e7b7e51b73513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26c6208146638fdef71d5b37dfabbdfcc75295490a20cd2da73e7b7e51b73513", kill_on_drop: false }`
[INFO] [stdout] 26c6208146638fdef71d5b37dfabbdfcc75295490a20cd2da73e7b7e51b73513
