[INFO] cloning repository https://github.com/Sh4d1/rush
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sh4d1/rush" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSh4d1%2Frush", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSh4d1%2Frush'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bb2b0979c99102ae25b054528185c5bc72b1e5e
[INFO] testing Sh4d1/rush against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSh4d1%2Frush" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sh4d1/rush on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sh4d1/rush
[INFO] finished tweaking git repo https://github.com/Sh4d1/rush
[INFO] tweaked toml for git repo https://github.com/Sh4d1/rush written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate git repo https://github.com/Sh4d1/rush already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 chan-signal v0.2.0
[INFO] [stderr]   Downloaded bit-vec v0.4.3
[INFO] [stderr]   Downloaded errno v0.1.8
[INFO] [stderr]   Downloaded chan v0.1.19
[INFO] [stderr]   Downloaded shellexpand v1.0.0
[INFO] [stderr]   Downloaded exec v0.2.0
[INFO] [stderr]   Downloaded encode_unicode v0.1.3
[INFO] [stderr]   Downloaded rustyline v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e819a014f26de92d383650036096f634231cdf65b80cc673869def1ecad1d51
[INFO] running `Command { std: "docker" "start" "-a" "3e819a014f26de92d383650036096f634231cdf65b80cc673869def1ecad1d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e819a014f26de92d383650036096f634231cdf65b80cc673869def1ecad1d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e819a014f26de92d383650036096f634231cdf65b80cc673869def1ecad1d51", kill_on_drop: false }`
[INFO] [stdout] 3e819a014f26de92d383650036096f634231cdf65b80cc673869def1ecad1d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b982741865de1e0a2e2a55a68827d92708e281f600c35e560a256d74a2cda55b
[INFO] running `Command { std: "docker" "start" "-a" "b982741865de1e0a2e2a55a68827d92708e281f600c35e560a256d74a2cda55b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling bit-vec v0.4.3
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling libc v0.2.20 (https://github.com/rust-lang/libc#6813109f)
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling shellexpand v1.0.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling errno v0.1.8
[INFO] [stderr]    Compiling nix v0.8.0 (https://github.com/nix-rust/nix#109b0e86)
[INFO] [stderr]    Compiling exec v0.2.0
[INFO] [stderr]    Compiling chan v0.1.19
[INFO] [stderr]    Compiling chan-signal v0.2.0
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling rush v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(string_split_off)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/prompt.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env::{current_dir, home_dir};
[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/prompt.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let homedir = home_dir().unwrap().as_path().to_str().expect("Failed : path -> str").to_string();
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/job_manager.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / lazy_static! {
[INFO] [stdout] 4 | |     pub static ref JOB: Mutex<JobManager> = Mutex::new(JobManager::new());
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/job_manager.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / lazy_static! {
[INFO] [stdout] 4 | |     pub static ref JOB: Mutex<JobManager> = Mutex::new(JobManager::new());
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rush` due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b982741865de1e0a2e2a55a68827d92708e281f600c35e560a256d74a2cda55b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b982741865de1e0a2e2a55a68827d92708e281f600c35e560a256d74a2cda55b", kill_on_drop: false }`
[INFO] [stdout] b982741865de1e0a2e2a55a68827d92708e281f600c35e560a256d74a2cda55b