[INFO] fetching crate fg 0.1.4...
[INFO] testing fg-0.1.4 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate fg 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate fg 0.1.4
[INFO] finished tweaking crates.io crate fg 0.1.4
[INFO] tweaked toml for crates.io crate fg 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fg 0.1.4 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fg 0.1.4 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | homepage = "https://github.com/tailot/fgbgrust"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 | repository = "https://github.com/tailot/fgbgrust"
[INFO] [stderr]    |              ------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `fg` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 641a102300b331f62c922c2e3ce2e6df06900a57b1f820bf21c2c2d29759362e
[INFO] running `Command { std: "docker" "start" "641a102300b331f62c922c2e3ce2e6df06900a57b1f820bf21c2c2d29759362e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "641a102300b331f62c922c2e3ce2e6df06900a57b1f820bf21c2c2d29759362e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "641a102300b331f62c922c2e3ce2e6df06900a57b1f820bf21c2c2d29759362e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "641a102300b331f62c922c2e3ce2e6df06900a57b1f820bf21c2c2d29759362e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "641a102300b331f62c922c2e3ce2e6df06900a57b1f820bf21c2c2d29759362e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | homepage = "https://github.com/tailot/fgbgrust"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 | repository = "https://github.com/tailot/fgbgrust"
[INFO] [stderr]    |              ------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `fg` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling fg v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(const_raw_ptr_to_usize_cast, ptr_wrapping_offset_from)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.55.0; see <https://github.com/rust-lang/rust/pull/87020> for more information
[INFO] [stdout]   = note: at compile-time, pointers do not have an integer value, so these casts cannot be properly supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(const_raw_ptr_to_usize_cast, ptr_wrapping_offset_from)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `ptr_wrapping_offset_from`
[INFO] [stdout]  --> src/main.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(const_raw_ptr_to_usize_cast, ptr_wrapping_offset_from)]
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a feature with a similar name: `ptr_wrapping_offset`
[INFO] [stdout]   |
[INFO] [stdout] 8 - #![feature(const_raw_ptr_to_usize_cast, ptr_wrapping_offset_from)]
[INFO] [stdout] 8 + #![feature(const_raw_ptr_to_usize_cast, ptr_wrapping_offset)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign statics
[INFO] [stdout]   --> src/main.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign statics
[INFO] [stdout]   --> src/main.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign statics
[INFO] [stdout]   --> src/main.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:61:7
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:63:7
[INFO] [stdout]    |
[INFO] [stdout] 63 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:66:7
[INFO] [stdout]    |
[INFO] [stdout] 66 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:72:7
[INFO] [stdout]    |
[INFO] [stdout] 72 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:78:7
[INFO] [stdout]    |
[INFO] [stdout] 78 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:83:7
[INFO] [stdout]    |
[INFO] [stdout] 83 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:89:7
[INFO] [stdout]    |
[INFO] [stdout] 89 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:91:7
[INFO] [stdout]    |
[INFO] [stdout] 91 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:94:7
[INFO] [stdout]    |
[INFO] [stdout] 94 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:96:7
[INFO] [stdout]    |
[INFO] [stdout] 96 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]   --> src/main.rs:98:7
[INFO] [stdout]    |
[INFO] [stdout] 98 |     #[no_mangle]
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `no_mangle` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/main.rs:100:7
[INFO] [stdout]     |
[INFO] [stdout] 100 |     #[no_mangle]
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the `no_mangle` attribute can be applied to functions with a body and statics
[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] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut i8` in the current scope
[INFO] [stdout]    --> src/main.rs:529:50
[INFO] [stdout]     |
[INFO] [stdout] 529 |                         (*commandPtr).offset(src.wrapping_offset_from(*commandPtr)
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `wrapping_offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 529 -                         (*commandPtr).offset(src.wrapping_offset_from(*commandPtr)
[INFO] [stdout] 529 +                         (*commandPtr).offset(src.wrapping_offset(*commandPtr)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*mut i8` in the current scope
[INFO] [stdout]    --> src/main.rs:552:27
[INFO] [stdout]     |
[INFO] [stdout] 552 |             returnCommand.wrapping_offset_from(*commandPtr) as libc::c_long as
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `wrapping_offset` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 552 -             returnCommand.wrapping_offset_from(*commandPtr) as libc::c_long as
[INFO] [stdout] 552 +             returnCommand.wrapping_offset(*commandPtr) as libc::c_long as
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fg` (bin "fg") due to 5 previous errors; 39 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "641a102300b331f62c922c2e3ce2e6df06900a57b1f820bf21c2c2d29759362e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641a102300b331f62c922c2e3ce2e6df06900a57b1f820bf21c2c2d29759362e", kill_on_drop: false }`
[INFO] [stdout] 641a102300b331f62c922c2e3ce2e6df06900a57b1f820bf21c2c2d29759362e
