[INFO] cloning repository https://github.com/Fiedzia/rustbar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fiedzia/rustbar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFiedzia%2Frustbar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFiedzia%2Frustbar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7faa35ef7c14793ea905f493458c7e3e177a7931
[INFO] building Fiedzia/rustbar against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFiedzia%2Frustbar" "/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/Fiedzia/rustbar on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Fiedzia/rustbar
[INFO] finished tweaking git repo https://github.com/Fiedzia/rustbar
[INFO] tweaked toml for git repo https://github.com/Fiedzia/rustbar written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Fiedzia/rustbar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6feb0ef5425f25ea75fc23357f380dc9ce86a43415f1397fbf6ca4fe249950cd
[INFO] running `Command { std: "docker" "start" "-a" "6feb0ef5425f25ea75fc23357f380dc9ce86a43415f1397fbf6ca4fe249950cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6feb0ef5425f25ea75fc23357f380dc9ce86a43415f1397fbf6ca4fe249950cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6feb0ef5425f25ea75fc23357f380dc9ce86a43415f1397fbf6ca4fe249950cd", kill_on_drop: false }`
[INFO] [stdout] 6feb0ef5425f25ea75fc23357f380dc9ce86a43415f1397fbf6ca4fe249950cd
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f6a9ab1e20a77965f39ff4c5f684498843bbfa0fea2ed4476a742ca1053e28f
[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" "7f6a9ab1e20a77965f39ff4c5f684498843bbfa0fea2ed4476a742ca1053e28f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbar v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/rustbars.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     try!(output.write(buf.as_bytes()));
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/rustbars.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     try!(output.flush());
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rustbars.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     try!(output.write(buf.as_bytes()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rustbars.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     try!(output.flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: patterns aren't allowed in functions without bodies
[INFO] [stdout]   --> src/rustbars.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn to_stderr(mut self) -> T;
[INFO] [stdout]    |                  ^^^^^^^^ help: remove `mut` from the parameter: `self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(patterns_in_fns_without_body)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rustbars.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         try!((self.write_fn)(buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rustbars.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         try!(self.write(s));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustbars.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         try!((self.write_fn)(buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustbars.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         try!(self.write(format!("\r{msg} [{bar}]", msg=self.msg, bar=bar)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate libc;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustbar`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7f6a9ab1e20a77965f39ff4c5f684498843bbfa0fea2ed4476a742ca1053e28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6a9ab1e20a77965f39ff4c5f684498843bbfa0fea2ed4476a742ca1053e28f", kill_on_drop: false }`
[INFO] [stdout] 7f6a9ab1e20a77965f39ff4c5f684498843bbfa0fea2ed4476a742ca1053e28f
