[INFO] fetching crate printf-compat 0.4.0...
[INFO] checking printf-compat-0.4.0 against 1.95.0 for pr-155915
[INFO] extracting crate printf-compat 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate printf-compat 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate printf-compat 0.4.0
[INFO] tweaked toml for crates.io crate printf-compat 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate printf-compat 0.4.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate printf-compat 0.4.0 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" "+1.95.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91b76695474cd6a7b29093a63d39d0068b9e085cb24453fad835df56b0ee7194
[INFO] running `Command { std: "docker" "start" "-a" "91b76695474cd6a7b29093a63d39d0068b9e085cb24453fad835df56b0ee7194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91b76695474cd6a7b29093a63d39d0068b9e085cb24453fad835df56b0ee7194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b76695474cd6a7b29093a63d39d0068b9e085cb24453fad835df56b0ee7194", kill_on_drop: false }`
[INFO] [stdout] 91b76695474cd6a7b29093a63d39d0068b9e085cb24453fad835df56b0ee7194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1679b27abab82afa85abc9db905f61a18a58d5c505367a11bc03c62e01359941
[INFO] running `Command { std: "docker" "start" "-a" "1679b27abab82afa85abc9db905f61a18a58d5c505367a11bc03c62e01359941", kill_on_drop: false }`
[INFO] [stderr]     Checking printf-compat v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:114:1
[INFO] [stdout]     |
[INFO] [stdout] 114 | #![feature(c_variadic)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:114:1
[INFO] [stdout]     |
[INFO] [stdout] 114 | #![feature(c_variadic)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |         return (unsafe { args.next_arg() }, next_char(sub));
[INFO] [stdout]    |                               ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:76:57
[INFO] [stdout]    |
[INFO] [stdout] 76 |             Length::Int => SignedInt::Int(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                         ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:77:59
[INFO] [stdout]    |
[INFO] [stdout] 77 |             Length::Char => SignedInt::Char(unsafe { args.next_arg::<c_int>() } as c_schar),
[INFO] [stdout]    |                                                           ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:78:61
[INFO] [stdout]    |
[INFO] [stdout] 78 |             Length::Short => SignedInt::Short(unsafe { args.next_arg::<c_int>() } as c_short),
[INFO] [stdout]    |                                                             ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |         return (unsafe { args.next_arg() }, next_char(sub));
[INFO] [stdout]    |                               ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:79:59
[INFO] [stdout]    |
[INFO] [stdout] 79 |             Length::Long => SignedInt::Long(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                           ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:76:57
[INFO] [stdout]    |
[INFO] [stdout] 76 |             Length::Int => SignedInt::Int(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                         ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:77:59
[INFO] [stdout]    |
[INFO] [stdout] 77 |             Length::Char => SignedInt::Char(unsafe { args.next_arg::<c_int>() } as c_schar),
[INFO] [stdout]    |                                                           ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:80:67
[INFO] [stdout]    |
[INFO] [stdout] 80 |             Length::LongLong => SignedInt::LongLong(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                                   ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:78:61
[INFO] [stdout]    |
[INFO] [stdout] 78 |             Length::Short => SignedInt::Short(unsafe { args.next_arg::<c_int>() } as c_short),
[INFO] [stdout]    |                                                             ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:82:77
[INFO] [stdout]    |
[INFO] [stdout] 82 |             Length::Usize | Length::Isize => SignedInt::Isize(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                                             ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:79:59
[INFO] [stdout]    |
[INFO] [stdout] 79 |             Length::Long => SignedInt::Long(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                           ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:87:59
[INFO] [stdout]    |
[INFO] [stdout] 87 |             Length::Int => UnsignedInt::Int(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                           ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:80:67
[INFO] [stdout]    |
[INFO] [stdout] 80 |             Length::LongLong => SignedInt::LongLong(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                                   ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:88:61
[INFO] [stdout]    |
[INFO] [stdout] 88 |             Length::Char => UnsignedInt::Char(unsafe { args.next_arg::<c_uint>() } as c_uchar),
[INFO] [stdout]    |                                                             ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:82:77
[INFO] [stdout]    |
[INFO] [stdout] 82 |             Length::Usize | Length::Isize => SignedInt::Isize(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                                             ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:89:63
[INFO] [stdout]    |
[INFO] [stdout] 89 |             Length::Short => UnsignedInt::Short(unsafe { args.next_arg::<c_uint>() } as c_ushort),
[INFO] [stdout]    |                                                               ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:90:61
[INFO] [stdout]    |
[INFO] [stdout] 90 |             Length::Long => UnsignedInt::Long(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                             ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:87:59
[INFO] [stdout]    |
[INFO] [stdout] 87 |             Length::Int => UnsignedInt::Int(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                           ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:91:69
[INFO] [stdout]    |
[INFO] [stdout] 91 |             Length::LongLong => UnsignedInt::LongLong(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                                     ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:88:61
[INFO] [stdout]    |
[INFO] [stdout] 88 |             Length::Char => UnsignedInt::Char(unsafe { args.next_arg::<c_uint>() } as c_uchar),
[INFO] [stdout]    |                                                             ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:89:63
[INFO] [stdout]    |
[INFO] [stdout] 89 |             Length::Short => UnsignedInt::Short(unsafe { args.next_arg::<c_uint>() } as c_ushort),
[INFO] [stdout]    |                                                               ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:93:79
[INFO] [stdout]    |
[INFO] [stdout] 93 |             Length::Usize | Length::Isize => UnsignedInt::Isize(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                                               ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:90:61
[INFO] [stdout]    |
[INFO] [stdout] 90 |             Length::Long => UnsignedInt::Long(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                             ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:91:69
[INFO] [stdout]    |
[INFO] [stdout] 91 |             Length::LongLong => UnsignedInt::LongLong(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                                     ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:175:42
[INFO] [stdout]     |
[INFO] [stdout] 175 |                     value: unsafe { args.next_arg() },
[INFO] [stdout]     |                                          ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for mutable reference `&mut std::ffi::VaList<'_>` in the current scope
[INFO] [stdout]   --> src/parser.rs:93:79
[INFO] [stdout]    |
[INFO] [stdout] 93 |             Length::Usize | Length::Isize => UnsignedInt::Isize(unsafe { args.next_arg() }),
[INFO] [stdout]    |                                                                               ^^^^^^^^ method not found in `&mut std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:179:42
[INFO] [stdout]     |
[INFO] [stdout] 179 |                     value: unsafe { args.next_arg() },
[INFO] [stdout]     |                                          ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:183:42
[INFO] [stdout]     |
[INFO] [stdout] 183 |                     value: unsafe { args.next_arg() },
[INFO] [stdout]     |                                          ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:175:42
[INFO] [stdout]     |
[INFO] [stdout] 175 |                     value: unsafe { args.next_arg() },
[INFO] [stdout]     |                                          ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:187:42
[INFO] [stdout]     |
[INFO] [stdout] 187 |                     value: unsafe { args.next_arg() },
[INFO] [stdout]     |                                          ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:179:42
[INFO] [stdout]     |
[INFO] [stdout] 179 |                     value: unsafe { args.next_arg() },
[INFO] [stdout]     |                                          ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:191:58
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     let arg: *mut c_char = unsafe { args.next_arg() };
[INFO] [stdout]     |                                                          ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:183:42
[INFO] [stdout]     |
[INFO] [stdout] 183 |                     value: unsafe { args.next_arg() },
[INFO] [stdout]     |                                          ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:214:39
[INFO] [stdout]     |
[INFO] [stdout] 214 |                         unsafe { args.next_arg::<<c_char as CharToInt>::IntType>() } as c_char
[INFO] [stdout]     |                                       ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:187:42
[INFO] [stdout]     |
[INFO] [stdout] 187 |                     value: unsafe { args.next_arg() },
[INFO] [stdout]     |                                          ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:217:58
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 b'p' => Specifier::Pointer(unsafe { args.next_arg() }),
[INFO] [stdout]     |                                                          ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:191:58
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     let arg: *mut c_char = unsafe { args.next_arg() };
[INFO] [stdout]     |                                                          ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:214:39
[INFO] [stdout]     |
[INFO] [stdout] 214 |                         unsafe { args.next_arg::<<c_char as CharToInt>::IntType>() } as c_char
[INFO] [stdout]     |                                       ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:218:77
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 b'n' => Specifier::WriteBytesWritten(written, unsafe { args.next_arg() }),
[INFO] [stdout]     |                                                                             ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:217:58
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 b'p' => Specifier::Pointer(unsafe { args.next_arg() }),
[INFO] [stdout]     |                                                          ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next_arg` found for struct `std::ffi::VaList<'a>` in the current scope
[INFO] [stdout]    --> src/parser.rs:218:77
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 b'n' => Specifier::WriteBytesWritten(written, unsafe { args.next_arg() }),
[INFO] [stdout]     |                                                                             ^^^^^^^^ method not found in `std::ffi::VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `printf-compat` (lib) due to 22 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `printf-compat` (lib test) due to 22 previous errors
[INFO] running `Command { std: "docker" "inspect" "1679b27abab82afa85abc9db905f61a18a58d5c505367a11bc03c62e01359941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1679b27abab82afa85abc9db905f61a18a58d5c505367a11bc03c62e01359941", kill_on_drop: false }`
[INFO] [stdout] 1679b27abab82afa85abc9db905f61a18a58d5c505367a11bc03c62e01359941
