[INFO] fetching crate pmap 0.0.5...
[INFO] testing pmap-0.0.5 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate pmap 0.0.5 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate pmap 0.0.5 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 pmap 0.0.5
[INFO] finished tweaking crates.io crate pmap 0.0.5
[INFO] tweaked toml for crates.io crate pmap 0.0.5 written to /workspace/builds/worker-29/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7bd9a507c823d36a6246b3580286ce4159c7207a55de6b5396dc191c5c7fc02
[INFO] running `Command { std: "docker" "start" "-a" "b7bd9a507c823d36a6246b3580286ce4159c7207a55de6b5396dc191c5c7fc02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7bd9a507c823d36a6246b3580286ce4159c7207a55de6b5396dc191c5c7fc02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7bd9a507c823d36a6246b3580286ce4159c7207a55de6b5396dc191c5c7fc02", kill_on_drop: false }`
[INFO] [stdout] b7bd9a507c823d36a6246b3580286ce4159c7207a55de6b5396dc191c5c7fc02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84421b74abab485ed06138a59c76f7b726efe116aa03e607ab803e8f6bdadc1f
[INFO] running `Command { std: "docker" "start" "-a" "84421b74abab485ed06138a59c76f7b726efe116aa03e607ab803e8f6bdadc1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling pmap v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/lib.rs:16:38
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut threads: Vec<thread::JoinGuard<bool>> = Vec::new();
[INFO] [stdout]    |                                      ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected function, found module `thread::scoped`
[INFO] [stdout]    --> src/lib.rs:21:23
[INFO] [stdout]     |
[INFO] [stdout] 21  |               let trd = thread::scoped(move|| {
[INFO] [stdout]     |                         ^^^^^^^^------
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: a function with a similar name exists: `scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `scoped` is private
[INFO] [stdout]    --> src/lib.rs:21:31
[INFO] [stdout]     |
[INFO] [stdout] 21  |             let trd = thread::scoped(move|| {
[INFO] [stdout]     |                               ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `scoped` is defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(scoped)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `scoped`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(scoped)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0423, E0554, E0603, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pmap` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "84421b74abab485ed06138a59c76f7b726efe116aa03e607ab803e8f6bdadc1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84421b74abab485ed06138a59c76f7b726efe116aa03e607ab803e8f6bdadc1f", kill_on_drop: false }`
[INFO] [stdout] 84421b74abab485ed06138a59c76f7b726efe116aa03e607ab803e8f6bdadc1f