[INFO] fetching crate ffmpeg-stringify 0.2.1...
[INFO] testing ffmpeg-stringify-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ffmpeg-stringify 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ffmpeg-stringify 0.2.1
[INFO] finished tweaking crates.io crate ffmpeg-stringify 0.2.1
[INFO] tweaked toml for crates.io crate ffmpeg-stringify 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ffmpeg-stringify 0.2.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding map-macro v0.2.6 (available: v0.3.0)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fd066907e534a86345445f2b64e1bf864b728829d6960f7a165c28c25b26f0f1
[INFO] running `Command { std: "docker" "start" "-a" "fd066907e534a86345445f2b64e1bf864b728829d6960f7a165c28c25b26f0f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd066907e534a86345445f2b64e1bf864b728829d6960f7a165c28c25b26f0f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd066907e534a86345445f2b64e1bf864b728829d6960f7a165c28c25b26f0f1", kill_on_drop: false }`
[INFO] [stdout] fd066907e534a86345445f2b64e1bf864b728829d6960f7a165c28c25b26f0f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e54f4d8a896a1e5526c821e47d6d2ae7b2ed9bc9b8638e83bc50666a7ee74eb0
[INFO] running `Command { std: "docker" "start" "-a" "e54f4d8a896a1e5526c821e47d6d2ae7b2ed9bc9b8638e83bc50666a7ee74eb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling map-macro v0.2.6
[INFO] [stderr]    Compiling ffmpeg-stringify v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/lib.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |             FNodeType::FilterNode(node) => true,
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `filters` is never read
[INFO] [stdout]   --> src/lib.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut filters = "".to_string();
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `filterNode` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn format_operation(filterNode: FilterNode) -> String {
[INFO] [stdout]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `filter_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "e54f4d8a896a1e5526c821e47d6d2ae7b2ed9bc9b8638e83bc50666a7ee74eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54f4d8a896a1e5526c821e47d6d2ae7b2ed9bc9b8638e83bc50666a7ee74eb0", kill_on_drop: false }`
[INFO] [stdout] e54f4d8a896a1e5526c821e47d6d2ae7b2ed9bc9b8638e83bc50666a7ee74eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e1897b1d58ce882467931d6338b2c130430cc5f2bd11ca9fcc548e50dfa147af
[INFO] running `Command { std: "docker" "start" "-a" "e1897b1d58ce882467931d6338b2c130430cc5f2bd11ca9fcc548e50dfa147af", kill_on_drop: false }`
[INFO] [stderr]    Compiling ffmpeg-stringify v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/lib.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |             FNodeType::FilterNode(node) => true,
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `filters` is never read
[INFO] [stdout]   --> src/lib.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut filters = "".to_string();
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `filterNode` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn format_operation(filterNode: FilterNode) -> String {
[INFO] [stdout]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `filter_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path`
[INFO] [stdout]    --> src/lib.rs:124:15
[INFO] [stdout]     |
[INFO] [stdout] 124 |     use std::{path, vec};
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/lib.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |             FNodeType::FilterNode(node) => true,
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `filters` is never read
[INFO] [stdout]   --> src/lib.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut filters = "".to_string();
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `overlay`
[INFO] [stdout]    --> src/lib.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let overlay = FilterNode {
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_overlay`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `filterNode` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn format_operation(filterNode: FilterNode) -> String {
[INFO] [stdout]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `filter_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "e1897b1d58ce882467931d6338b2c130430cc5f2bd11ca9fcc548e50dfa147af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1897b1d58ce882467931d6338b2c130430cc5f2bd11ca9fcc548e50dfa147af", kill_on_drop: false }`
[INFO] [stdout] e1897b1d58ce882467931d6338b2c130430cc5f2bd11ca9fcc548e50dfa147af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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", kill_on_drop: false }`
[INFO] [stdout] ec440248749165c0156c038067216a5e9fefe74dba29854e0ea0bd90fe1feddd
[INFO] running `Command { std: "docker" "start" "-a" "ec440248749165c0156c038067216a5e9fefe74dba29854e0ea0bd90fe1feddd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]   --> src/lib.rs:38:35
[INFO] [stderr]    |
[INFO] [stderr] 38 |             FNodeType::FilterNode(node) => true,
[INFO] [stderr]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `filters` is never read
[INFO] [stderr]   --> src/lib.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |             let mut filters = "".to_string();
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `filterNode` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:101:25
[INFO] [stderr]     |
[INFO] [stderr] 101 | pub fn format_operation(filterNode: FilterNode) -> String {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `filter_node`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `path`
[INFO] [stderr]    --> src/lib.rs:124:15
[INFO] [stderr]     |
[INFO] [stderr] 124 |     use std::{path, vec};
[INFO] [stderr]     |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `overlay`
[INFO] [stderr]    --> src/lib.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let overlay = FilterNode {
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_overlay`
[INFO] [stderr] 
[INFO] [stderr] warning: `ffmpeg-stringify` (lib) generated 4 warnings (run `cargo fix --lib -p ffmpeg-stringify` to apply 1 suggestion)
[INFO] [stderr] warning: `ffmpeg-stringify` (lib test) generated 6 warnings (4 duplicates) (run `cargo fix --lib -p ffmpeg-stringify --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ffmpeg_stringify-d7c85ec56b1ee8c4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::serialize ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ffmpeg_stringify
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec440248749165c0156c038067216a5e9fefe74dba29854e0ea0bd90fe1feddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec440248749165c0156c038067216a5e9fefe74dba29854e0ea0bd90fe1feddd", kill_on_drop: false }`
[INFO] [stdout] ec440248749165c0156c038067216a5e9fefe74dba29854e0ea0bd90fe1feddd