[INFO] cloning repository https://github.com/archer884/recurrence_relations
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archer884/recurrence_relations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Frecurrence_relations", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Frecurrence_relations'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14992ef303c8f03fffeea98752916315be42fe23
[INFO] testing archer884/recurrence_relations against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Frecurrence_relations" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archer884/recurrence_relations on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/archer884/recurrence_relations
[INFO] finished tweaking git repo https://github.com/archer884/recurrence_relations
[INFO] tweaked toml for git repo https://github.com/archer884/recurrence_relations written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/archer884/recurrence_relations already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/kbknapp/clap-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 839afcaf86b3b304d01c5682f2ec46fb495e82c1747d6a37b74249a6f3948ce1
[INFO] running `Command { std: "docker" "start" "-a" "839afcaf86b3b304d01c5682f2ec46fb495e82c1747d6a37b74249a6f3948ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "839afcaf86b3b304d01c5682f2ec46fb495e82c1747d6a37b74249a6f3948ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839afcaf86b3b304d01c5682f2ec46fb495e82c1747d6a37b74249a6f3948ce1", kill_on_drop: false }`
[INFO] [stdout] 839afcaf86b3b304d01c5682f2ec46fb495e82c1747d6a37b74249a6f3948ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eff11bcc7fc61883fc0f2b85de1ea382398100c429aaf04f937114e8f4c56be8
[INFO] running `Command { std: "docker" "start" "-a" "eff11bcc7fc61883fc0f2b85de1ea382398100c429aaf04f937114e8f4c56be8", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap v0.4.13 (https://github.com/kbknapp/clap-rs#aed37da6)
[INFO] [stdout] error[E0425]: cannot find function `set_exit_status` in module `env`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/clap-rs-507f2c09c9b0886e/aed37da/src/app.rs:448:24
[INFO] [stdout]     |
[INFO] [stdout] 448 |         if quit { env::set_exit_status(1); self.exit(); }
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^ not found in `env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/clap-rs-507f2c09c9b0886e/aed37da/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(libc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/clap-rs-507f2c09c9b0886e/aed37da/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(exit_status)]
[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]  --> /opt/rustwide/cargo-home/git/checkouts/clap-rs-507f2c09c9b0886e/aed37da/src/app.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | 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] 
[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]    --> /opt/rustwide/cargo-home/git/checkouts/clap-rs-507f2c09c9b0886e/aed37da/src/app.rs:442:18
[INFO] [stdout]     |
[INFO] [stdout] 442 |         unsafe { libc::exit(0); }
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `FlagArg: Clone` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/clap-rs-507f2c09c9b0886e/aed37da/src/args/flagarg.rs:11:10
[INFO] [stdout]     |
[INFO] [stdout] 11  | #[derive(Copy)]
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `FlagArg`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clap` due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "eff11bcc7fc61883fc0f2b85de1ea382398100c429aaf04f937114e8f4c56be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff11bcc7fc61883fc0f2b85de1ea382398100c429aaf04f937114e8f4c56be8", kill_on_drop: false }`
[INFO] [stdout] eff11bcc7fc61883fc0f2b85de1ea382398100c429aaf04f937114e8f4c56be8