[INFO] fetching crate jsonpretty5er 0.1.0...
[INFO] testing jsonpretty5er-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate jsonpretty5er 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate jsonpretty5er 0.1.0
[INFO] finished tweaking crates.io crate jsonpretty5er 0.1.0
[INFO] tweaked toml for crates.io crate jsonpretty5er 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jsonpretty5er 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jsonpretty5er 0.1.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 905402295b774bd9fdc52bdea9927de68daa4932d177dc1c175a312b5349fbed
[INFO] running `Command { std: "docker" "start" "-a" "905402295b774bd9fdc52bdea9927de68daa4932d177dc1c175a312b5349fbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "905402295b774bd9fdc52bdea9927de68daa4932d177dc1c175a312b5349fbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "905402295b774bd9fdc52bdea9927de68daa4932d177dc1c175a312b5349fbed", kill_on_drop: false }`
[INFO] [stdout] 905402295b774bd9fdc52bdea9927de68daa4932d177dc1c175a312b5349fbed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3719144eb18bc7886a1253d79c9c239b4f0d319a6e646e201d91f3d4cea887c6
[INFO] running `Command { std: "docker" "start" "-a" "3719144eb18bc7886a1253d79c9c239b4f0d319a6e646e201d91f3d4cea887c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling json5format v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling jsonpretty5er v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.37s
[INFO] running `Command { std: "docker" "inspect" "3719144eb18bc7886a1253d79c9c239b4f0d319a6e646e201d91f3d4cea887c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3719144eb18bc7886a1253d79c9c239b4f0d319a6e646e201d91f3d4cea887c6", kill_on_drop: false }`
[INFO] [stdout] 3719144eb18bc7886a1253d79c9c239b4f0d319a6e646e201d91f3d4cea887c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ab7b6631a92cd3570b42924aeb3112d063b0b2b192fbffe3d83f0feb80c100e
[INFO] running `Command { std: "docker" "start" "-a" "5ab7b6631a92cd3570b42924aeb3112d063b0b2b192fbffe3d83f0feb80c100e", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonpretty5er v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write` and `io`
[INFO] [stdout]   --> src/main.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 |   fs, io,
[INFO] [stdout]    |       ^^
[INFO] [stdout] 32 |   io::{Read, Write},
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_stdin` found for struct `Opt` in the current scope
[INFO] [stdout]    --> src/main.rs:48:12
[INFO] [stdout]     |
[INFO] [stdout]  48 |       Opt::from_stdin(&mut buffer)?;
[INFO] [stdout]     |            ^^^^^^^^^^ function or associated item not found in `Opt`
[INFO] [stdout] ...
[INFO] [stdout] 113 | struct Opt {
[INFO] [stdout]     | ---------- function or associated item `from_stdin` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `write_to_file` found for struct `Opt` in the current scope
[INFO] [stdout]    --> src/main.rs:70:12
[INFO] [stdout]     |
[INFO] [stdout]  70 |       Opt::write_to_file(filename, &bytes)?;
[INFO] [stdout]     |            ^^^^^^^^^^^^^ function or associated item not found in `Opt`
[INFO] [stdout] ...
[INFO] [stdout] 113 | struct Opt {
[INFO] [stdout]     | ---------- function or associated item `write_to_file` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `args` found for struct `Opt` in the current scope
[INFO] [stdout]    --> src/main.rs:87:19
[INFO] [stdout]     |
[INFO] [stdout]  87 |   let args = Opt::args();
[INFO] [stdout]     |                   ^^^^ function or associated item not found in `Opt`
[INFO] [stdout] ...
[INFO] [stdout] 113 | struct Opt {
[INFO] [stdout]     | ---------- function or associated item `args` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jsonpretty5er` (bin "jsonpretty5er" test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "5ab7b6631a92cd3570b42924aeb3112d063b0b2b192fbffe3d83f0feb80c100e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab7b6631a92cd3570b42924aeb3112d063b0b2b192fbffe3d83f0feb80c100e", kill_on_drop: false }`
[INFO] [stdout] 5ab7b6631a92cd3570b42924aeb3112d063b0b2b192fbffe3d83f0feb80c100e