[INFO] fetching crate cobs 0.5.1...
[INFO] fixing cobs-0.5.1 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate cobs 0.5.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate cobs 0.5.1
[INFO] finished tweaking crates.io crate cobs 0.5.1
[INFO] tweaked toml for crates.io crate cobs 0.5.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cobs 0.5.1 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cobs 0.5.1 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4c704630643f550eaf964def9872a12e31d2f4ec155677bd4b93b67a302b426d
[INFO] running `Command { std: "docker" "start" "4c704630643f550eaf964def9872a12e31d2f4ec155677bd4b93b67a302b426d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4c704630643f550eaf964def9872a12e31d2f4ec155677bd4b93b67a302b426d" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c704630643f550eaf964def9872a12e31d2f4ec155677bd4b93b67a302b426d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4c704630643f550eaf964def9872a12e31d2f4ec155677bd4b93b67a302b426d" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling heapless v0.9.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking clap_builder v4.5.60
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]     Checking clap v4.5.60
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.40
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]     Checking cobs v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking criterion v0.8.2
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> benches/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::Rng;
[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 method named `random_iter` found for struct `ThreadRng` in the current scope
[INFO] [stdout]    --> benches/main.rs:9:41
[INFO] [stdout]     |
[INFO] [stdout]   9 |         let data: Vec<u8> = rand::rng().random_iter().take(size).collect();
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.10.0/src/rng.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn random_iter<T>(self) -> distr::Iter<StandardUniform, Self, T>
[INFO] [stdout]     |        ----------- the method is available for `ThreadRng` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `RngExt` which provides `random_iter` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   1 + use rand::RngExt;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `random` with a similar name
[INFO] [stdout]     |
[INFO] [stdout]   9 -         let data: Vec<u8> = rand::rng().random_iter().take(size).collect();
[INFO] [stdout]   9 +         let data: Vec<u8> = rand::rng().random().take(size).collect();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `random_iter` found for struct `ThreadRng` in the current scope
[INFO] [stdout]    --> benches/main.rs:27:41
[INFO] [stdout]     |
[INFO] [stdout]  27 |         let data: Vec<u8> = rand::rng().random_iter().take(size).collect();
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.10.0/src/rng.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn random_iter<T>(self) -> distr::Iter<StandardUniform, Self, T>
[INFO] [stdout]     |        ----------- the method is available for `ThreadRng` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `RngExt` which provides `random_iter` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   1 + use rand::RngExt;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `random` with a similar name
[INFO] [stdout]     |
[INFO] [stdout]  27 -         let data: Vec<u8> = rand::rng().random_iter().take(size).collect();
[INFO] [stdout]  27 +         let data: Vec<u8> = rand::rng().random().take(size).collect();
[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 `cobs` (bench "main") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4c704630643f550eaf964def9872a12e31d2f4ec155677bd4b93b67a302b426d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c704630643f550eaf964def9872a12e31d2f4ec155677bd4b93b67a302b426d", kill_on_drop: false }`
[INFO] [stdout] 4c704630643f550eaf964def9872a12e31d2f4ec155677bd4b93b67a302b426d
