[INFO] cloning repository https://github.com/nstafie/backup-formats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nstafie/backup-formats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnstafie%2Fbackup-formats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnstafie%2Fbackup-formats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 141a7efb51e009ec2949df1273ff5abcb4436502
[INFO] testing nstafie/backup-formats against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnstafie%2Fbackup-formats" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nstafie/backup-formats
[INFO] finished tweaking git repo https://github.com/nstafie/backup-formats
[INFO] tweaked toml for git repo https://github.com/nstafie/backup-formats written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nstafie/backup-formats on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nstafie/backup-formats 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xz2 v0.1.7
[INFO] [stderr]   Downloaded unicode-ident v1.0.10
[INFO] [stderr]   Downloaded zstd-safe v6.0.6
[INFO] [stderr]   Downloaded ghash v0.5.0
[INFO] [stderr]   Downloaded backtrace-ext v0.2.1
[INFO] [stderr]   Downloaded zstd v0.12.4
[INFO] [stderr]   Downloaded aes256ctr_poly1305aes v0.1.1
[INFO] [stderr]   Downloaded pin-project-lite v0.2.10
[INFO] [stderr]   Downloaded polyval v0.6.1
[INFO] [stderr]   Downloaded owo-colors v3.5.0
[INFO] [stderr]   Downloaded clap v4.3.10
[INFO] [stderr]   Downloaded ryu v1.0.14
[INFO] [stderr]   Downloaded chrono v0.4.26
[INFO] [stderr]   Downloaded aes v0.8.3
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.4
[INFO] [stderr]   Downloaded aes-gcm v0.10.2
[INFO] [stderr]   Downloaded clap_builder v4.3.10
[INFO] [stderr]   Downloaded serde v1.0.166
[INFO] [stderr]   Downloaded syn v2.0.23
[INFO] [stderr]   Downloaded serde_json v1.0.100
[INFO] [stderr]   Downloaded textwrap v0.15.2
[INFO] [stderr]   Downloaded aho-corasick v1.0.2
[INFO] [stderr]   Downloaded serde_derive v1.0.166
[INFO] [stderr]   Downloaded cpufeatures v0.2.8
[INFO] [stderr]   Downloaded sha2 v0.10.7
[INFO] [stderr]   Downloaded supports-color v2.0.0
[INFO] [stderr]   Downloaded miette v5.9.0
[INFO] [stderr]   Downloaded paste v1.0.13
[INFO] [stderr]   Downloaded rustix v0.38.2
[INFO] [stderr]   Downloaded rmp v0.8.11
[INFO] [stderr]   Downloaded scrypt v0.11.0
[INFO] [stderr]   Downloaded itoa v1.0.8
[INFO] [stderr]   Downloaded thiserror-impl v1.0.41
[INFO] [stderr]   Downloaded thiserror v1.0.41
[INFO] [stderr]   Downloaded zeroize v1.4.3
[INFO] [stderr]   Downloaded cfb-mode v0.8.2
[INFO] [stderr]   Downloaded anstyle-parse v0.2.1
[INFO] [stderr]   Downloaded anstyle v1.0.1
[INFO] [stderr]   Downloaded zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]   Downloaded lz4_flex v0.11.1
[INFO] [stderr]   Downloaded miette-derive v5.9.0
[INFO] [stderr]   Downloaded supports-hyperlinks v2.1.0
[INFO] [stderr]   Downloaded is-terminal v0.4.8
[INFO] [stderr]   Downloaded supports-unicode v2.0.0
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.63
[INFO] [stderr]   Downloaded log v0.4.19
[INFO] [stderr]   Downloaded is_ci v1.1.1
[INFO] [stderr]   Downloaded bitflags v2.3.3
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded pbkdf2 v0.12.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c90874ef9983ea48bd730e133502ebe691d7cd58df998fab320fb13dd9c7b51d
[INFO] running `Command { std: "docker" "start" "-a" "c90874ef9983ea48bd730e133502ebe691d7cd58df998fab320fb13dd9c7b51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c90874ef9983ea48bd730e133502ebe691d7cd58df998fab320fb13dd9c7b51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90874ef9983ea48bd730e133502ebe691d7cd58df998fab320fb13dd9c7b51d", kill_on_drop: false }`
[INFO] [stdout] c90874ef9983ea48bd730e133502ebe691d7cd58df998fab320fb13dd9c7b51d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88ddc47b009132d99436283bd326cc64cd42e3cf18085830d19c29bc098329c2
[INFO] running `Command { std: "docker" "start" "-a" "88ddc47b009132d99436283bd326cc64cd42e3cf18085830d19c29bc098329c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling rustix v0.38.2
[INFO] [stderr]    Compiling cpufeatures v0.2.8
[INFO] [stderr]    Compiling linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling object v0.31.1
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling thiserror v1.0.41
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling paste v1.0.13
[INFO] [stderr]    Compiling zstd-safe v6.0.6
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling polyval v0.6.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling ctr v0.8.0
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]    Compiling pin-project-lite v0.2.10
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling is_ci v1.1.1
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling is-terminal v0.4.8
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling supports-hyperlinks v2.1.0
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling supports-color v2.0.0
[INFO] [stderr]    Compiling supports-unicode v2.0.0
[INFO] [stderr]    Compiling ghash v0.5.0
[INFO] [stderr]    Compiling aes v0.7.5
[INFO] [stderr]    Compiling password-hash v0.5.0
[INFO] [stderr]    Compiling clap_builder v4.3.10
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling aes v0.8.3
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling salsa20 v0.10.2
[INFO] [stderr]    Compiling poly1305 v0.7.2
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling pbkdf2 v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.7
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling aead v0.4.3
[INFO] [stderr]    Compiling addr2line v0.20.0
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling itoa v1.0.8
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling ryu v1.0.14
[INFO] [stderr]    Compiling zeroize v1.4.3
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling aes256ctr_poly1305aes v0.1.1
[INFO] [stderr]    Compiling rmp v0.8.11
[INFO] [stderr]    Compiling scrypt v0.11.0
[INFO] [stderr]    Compiling aes-gcm v0.10.2
[INFO] [stderr]    Compiling xz2 v0.1.7
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling lz4_flex v0.11.1
[INFO] [stderr]    Compiling cfb-mode v0.8.2
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling unicode-linebreak v0.1.4
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling textwrap v0.15.2
[INFO] [stderr]    Compiling serde_derive v1.0.166
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.41
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]    Compiling miette-derive v5.9.0
[INFO] [stderr]    Compiling serde_repr v0.1.16
[INFO] [stderr]    Compiling miette v5.9.0
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling clap v4.3.10
[INFO] [stderr]    Compiling zstd v0.12.4
[INFO] [stderr]    Compiling backup_dumper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(cursor_remaining, iter_advance_by)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `cursor_remaining`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(cursor_remaining, iter_advance_by)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remaining_slice` found for struct `std::io::Cursor` in the current scope
[INFO] [stdout]    --> src/formats/duplicacy/config.rs:104:45
[INFO] [stdout]     |
[INFO] [stdout] 104 |             buffer.extend_from_slice(cursor.remaining_slice()); // data
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `read_line` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:2582:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_empty` found for struct `std::io::Cursor` in the current scope
[INFO] [stdout]   --> src/formats/duplicacy/entry.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |         while !cursor.is_empty() {
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `std::io::Cursor<Vec<u8>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `backup_dumper` (bin "backup_dumper") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "88ddc47b009132d99436283bd326cc64cd42e3cf18085830d19c29bc098329c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ddc47b009132d99436283bd326cc64cd42e3cf18085830d19c29bc098329c2", kill_on_drop: false }`
[INFO] [stdout] 88ddc47b009132d99436283bd326cc64cd42e3cf18085830d19c29bc098329c2