[INFO] fetching crate srx 0.1.4...
[INFO] testing srx-0.1.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate srx 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate srx 0.1.4
[INFO] finished tweaking crates.io crate srx 0.1.4
[INFO] tweaked toml for crates.io crate srx 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate srx 0.1.4 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 103 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding serde-xml-rs v0.4.1 (available: v0.8.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c9d1b54f01fa868625378f7a40c86ad4bca4e8afea56200f54bcf95e24c6c91
[INFO] running `Command { std: "docker" "start" "-a" "6c9d1b54f01fa868625378f7a40c86ad4bca4e8afea56200f54bcf95e24c6c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c9d1b54f01fa868625378f7a40c86ad4bca4e8afea56200f54bcf95e24c6c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9d1b54f01fa868625378f7a40c86ad4bca4e8afea56200f54bcf95e24c6c91", kill_on_drop: false }`
[INFO] [stdout] 6c9d1b54f01fa868625378f7a40c86ad4bca4e8afea56200f54bcf95e24c6c91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2cfb9322c774c842ea0f4d10b513520e8c92874c900f5b7be69ca3b72a0f59a
[INFO] running `Command { std: "docker" "start" "-a" "c2cfb9322c774c842ea0f4d10b513520e8c92874c900f5b7be69ca3b72a0f59a", kill_on_drop: false }`
[INFO] [stderr]    Compiling srx v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "c2cfb9322c774c842ea0f4d10b513520e8c92874c900f5b7be69ca3b72a0f59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2cfb9322c774c842ea0f4d10b513520e8c92874c900f5b7be69ca3b72a0f59a", kill_on_drop: false }`
[INFO] [stdout] c2cfb9322c774c842ea0f4d10b513520e8c92874c900f5b7be69ca3b72a0f59a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2b9d80ce640f0bc67f9a1b7457587114a22ea633cd52fa49b41acbb272d0ad8
[INFO] running `Command { std: "docker" "start" "-a" "d2b9d80ce640f0bc67f9a1b7457587114a22ea633cd52fa49b41acbb272d0ad8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling env_filter v1.0.1
[INFO] [stderr]    Compiling env_logger v0.11.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling quickcheck v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling quickcheck_macros v1.2.0
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling srx v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no associated function or constant named `from_str` found for struct `SRX` in the current scope
[INFO] [stdout]    --> src/lib.rs:242:18
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct SRX {
[INFO] [stdout]     | -------------- associated function or constant `from_str` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 242 |             SRX::from_str(&fs::read_to_string("data/example.srx").expect("example file exists"))
[INFO] [stdout]     |                  ^^^^^^^^ associated function or constant not found in `SRX`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `from_str`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `FromStr`
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 242 -             SRX::from_str(&fs::read_to_string("data/example.srx").expect("example file exists"))
[INFO] [stdout] 242 +             SRX::from(&fs::read_to_string("data/example.srx").expect("example file exists"))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `new` found for struct `Rule` in the current scope
[INFO] [stdout]    --> src/lib.rs:254:26
[INFO] [stdout]     |
[INFO] [stdout]  81 | struct Rule {
[INFO] [stdout]     | ----------- associated function or constant `new` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 254 |         let rule = Rule::new(Some("abc"), Some("d+fg"), true).expect("test rule is valid");
[INFO] [stdout]     |                          ^^^ associated function or constant not found in `Rule`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `new`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `rand::distr::uniform::UniformSampler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `from_str` found for struct `SRX` in the current scope
[INFO] [stdout]    --> src/lib.rs:265:18
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct SRX {
[INFO] [stdout]     | -------------- associated function or constant `from_str` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 265 |             SRX::from_str(&fs::read_to_string("data/example.srx").expect("example file exists"))
[INFO] [stdout]     |                  ^^^^^^^^ associated function or constant not found in `SRX`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `from_str`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `FromStr`
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 265 -             SRX::from_str(&fs::read_to_string("data/example.srx").expect("example file exists"))
[INFO] [stdout] 265 +             SRX::from(&fs::read_to_string("data/example.srx").expect("example file exists"))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `from_str` found for struct `SRX` in the current scope
[INFO] [stdout]    --> src/lib.rs:283:18
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct SRX {
[INFO] [stdout]     | -------------- associated function or constant `from_str` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 283 |             SRX::from_str(&fs::read_to_string("data/segment.srx").expect("example file exists"))
[INFO] [stdout]     |                  ^^^^^^^^ associated function or constant not found in `SRX`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `from_str`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `FromStr`
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 283 -             SRX::from_str(&fs::read_to_string("data/segment.srx").expect("example file exists"))
[INFO] [stdout] 283 +             SRX::from(&fs::read_to_string("data/segment.srx").expect("example file exists"))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `from_str` found for struct `SRX` in the current scope
[INFO] [stdout]    --> src/lib.rs:300:18
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct SRX {
[INFO] [stdout]     | -------------- associated function or constant `from_str` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 300 |             SRX::from_str(&fs::read_to_string("data/segment.srx").expect("example file exists"))
[INFO] [stdout]     |                  ^^^^^^^^ associated function or constant not found in `SRX`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `from_str`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `FromStr`
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 300 -             SRX::from_str(&fs::read_to_string("data/segment.srx").expect("example file exists"))
[INFO] [stdout] 300 +             SRX::from(&fs::read_to_string("data/segment.srx").expect("example file exists"))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `from_str` found for struct `SRX` in the current scope
[INFO] [stdout]    --> src/lib.rs:310:18
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct SRX {
[INFO] [stdout]     | -------------- associated function or constant `from_str` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 310 |             SRX::from_str(&fs::read_to_string("data/segment.srx").expect("segment file exists"))
[INFO] [stdout]     |                  ^^^^^^^^ associated function or constant not found in `SRX`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `from_str`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `FromStr`
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 310 -             SRX::from_str(&fs::read_to_string("data/segment.srx").expect("segment file exists"))
[INFO] [stdout] 310 +             SRX::from(&fs::read_to_string("data/segment.srx").expect("segment file exists"))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `srx` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "d2b9d80ce640f0bc67f9a1b7457587114a22ea633cd52fa49b41acbb272d0ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b9d80ce640f0bc67f9a1b7457587114a22ea633cd52fa49b41acbb272d0ad8", kill_on_drop: false }`
[INFO] [stdout] d2b9d80ce640f0bc67f9a1b7457587114a22ea633cd52fa49b41acbb272d0ad8
