[INFO] fetching crate generational_token_list 0.1.3...
[INFO] testing generational_token_list-0.1.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate generational_token_list 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate generational_token_list 0.1.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generational_token_list 0.1.3
[INFO] finished tweaking crates.io crate generational_token_list 0.1.3
[INFO] tweaked toml for crates.io crate generational_token_list 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 437e598541d1fd46c7b15f4b22dde5351e005f880a985f2cbf38f99dd53e595d
[INFO] running `Command { std: "docker" "start" "-a" "437e598541d1fd46c7b15f4b22dde5351e005f880a985f2cbf38f99dd53e595d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "437e598541d1fd46c7b15f4b22dde5351e005f880a985f2cbf38f99dd53e595d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437e598541d1fd46c7b15f4b22dde5351e005f880a985f2cbf38f99dd53e595d", kill_on_drop: false }`
[INFO] [stdout] 437e598541d1fd46c7b15f4b22dde5351e005f880a985f2cbf38f99dd53e595d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 027d131f9c12970a4ba8b01c6bd1d8ae2ad9d8cb2a02831a1a65d495b2a8e520
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "027d131f9c12970a4ba8b01c6bd1d8ae2ad9d8cb2a02831a1a65d495b2a8e520", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling generational-arena v0.2.8
[INFO] [stderr]    Compiling generational_token_list v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "027d131f9c12970a4ba8b01c6bd1d8ae2ad9d8cb2a02831a1a65d495b2a8e520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027d131f9c12970a4ba8b01c6bd1d8ae2ad9d8cb2a02831a1a65d495b2a8e520", kill_on_drop: false }`
[INFO] [stdout] 027d131f9c12970a4ba8b01c6bd1d8ae2ad9d8cb2a02831a1a65d495b2a8e520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c3867709d9d1f3faa0bb3eeafe0cad32aed2711e6ec6492f07535c9c08dd650
[INFO] running `Command { std: "docker" "start" "-a" "6c3867709d9d1f3faa0bb3eeafe0cad32aed2711e6ec6492f07535c9c08dd650", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling generational_token_list v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `iter_with_tokens_mut` found for struct `GenerationalTokenList` in the current scope
[INFO] [stdout]     --> src/lib.rs:1391:29
[INFO] [stdout]      |
[INFO] [stdout] 90   | pub struct GenerationalTokenList<T> {
[INFO] [stdout]      | ----------------------------------- method `iter_with_tokens_mut` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 1391 |         let mut iter = list.iter_with_tokens_mut();
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `iter_with_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generational_token_list` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6c3867709d9d1f3faa0bb3eeafe0cad32aed2711e6ec6492f07535c9c08dd650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3867709d9d1f3faa0bb3eeafe0cad32aed2711e6ec6492f07535c9c08dd650", kill_on_drop: false }`
[INFO] [stdout] 6c3867709d9d1f3faa0bb3eeafe0cad32aed2711e6ec6492f07535c9c08dd650