[INFO] cloning repository https://github.com/ldm0/ffgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ldm0/ffgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fldm0%2Fffgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fldm0%2Fffgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23638bbda1b8104ac0f8692ebda42c679dc9d5bb
[INFO] testing ldm0/ffgen against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fldm0%2Fffgen" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ldm0/ffgen on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ldm0/ffgen
[INFO] finished tweaking git repo https://github.com/ldm0/ffgen
[INFO] tweaked toml for git repo https://github.com/ldm0/ffgen written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/ldm0/ffgen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty_ffmpeg v0.2.5
[INFO] [stderr]   Downloaded bindgen v0.54.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cc67a027ce0a8efde24716ca135a1d86da72b3c56c29a9f75a87625a6c0d318
[INFO] running `Command { std: "docker" "start" "-a" "4cc67a027ce0a8efde24716ca135a1d86da72b3c56c29a9f75a87625a6c0d318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cc67a027ce0a8efde24716ca135a1d86da72b3c56c29a9f75a87625a6c0d318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc67a027ce0a8efde24716ca135a1d86da72b3c56c29a9f75a87625a6c0d318", kill_on_drop: false }`
[INFO] [stdout] 4cc67a027ce0a8efde24716ca135a1d86da72b3c56c29a9f75a87625a6c0d318
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 599534c92d8717abdd4e19ead08c95a399b5d77169db26abfbbe6f2c0c4077fa
[INFO] running `Command { std: "docker" "start" "-a" "599534c92d8717abdd4e19ead08c95a399b5d77169db26abfbbe6f2c0c4077fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling bindgen v0.54.1
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling rusty_ffmpeg v0.2.5
[INFO] [stderr]    Compiling ffgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(raw_ref_op)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(exclusive_range_pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(half_open_range_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(ptr_offset_from)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(bool_to_option)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `once_cell::sync::Lazy`
[INFO] [stdout]  --> src/cmdutils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use once_cell::sync::Lazy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `avutils::*`
[INFO] [stdout]  --> src/cmdutils.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     avutil::{avutils::*, error::*},
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `collections::HashMap`, `mem`, `slice`, `sync::Mutex`
[INFO] [stdout]   --> src/cmdutils.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     collections::HashMap,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     default,
[INFO] [stdout] 13 |     ffi::{CStr, CString},
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 14 |     fmt, marker, mem, ptr, slice,
[INFO] [stdout]    |                  ^^^       ^^^^^
[INFO] [stdout] 15 |     sync::Mutex,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `info`
[INFO] [stdout]  --> src/ffmpeg.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, error, info};
[INFO] [stdout]   |           ^^^^^         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::c_void`
[INFO] [stdout]  --> src/ffmpeg_opt.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::c_void;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`, `info`
[INFO] [stdout]  --> src/ffmpeg_opt.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, error, info};
[INFO] [stdout]   |           ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `avutils::*`, `error::*`, `ffi`
[INFO] [stdout]  --> src/ffmpeg_opt.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     avutil::{avutils::*, error::*},
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 5 |     ffi,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `CString`, `ptr`, `slice`
[INFO] [stdout]  --> src/ffmpeg_opt.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ffi::{CStr, CString},
[INFO] [stdout]   |           ^^^^  ^^^^^^^
[INFO] [stdout] 9 |     ptr, slice,
[INFO] [stdout]   |     ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `INT_CB`, `OptionsContext`, `self`
[INFO] [stdout]   --> src/ffmpeg_opt.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ffmpeg::{self, OptionsContext, INT_CB},
[INFO] [stdout]    |              ^^^^  ^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/graph_parser.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, error};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OptionGroupList`, `OptionGroup`, `OptionKV`, `OptionParseContext`
[INFO] [stdout]   --> src/options.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |         OptionDef, OptionFlag, OptionGroup, OptionGroupDef, OptionGroupList, OptionKV,
[INFO] [stdout]    |                                ^^^^^^^^^^^                  ^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 12 |         OptionOperation, OptionParseContext,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 11 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 `ffgen` due to 6 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "599534c92d8717abdd4e19ead08c95a399b5d77169db26abfbbe6f2c0c4077fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599534c92d8717abdd4e19ead08c95a399b5d77169db26abfbbe6f2c0c4077fa", kill_on_drop: false }`
[INFO] [stdout] 599534c92d8717abdd4e19ead08c95a399b5d77169db26abfbbe6f2c0c4077fa
