[INFO] fetching crate pmap 0.0.5...
[INFO] testing pmap-0.0.5 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate pmap 0.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pmap 0.0.5 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28b24d89acd09b1c0bb4f9917019b2d072996e31ac2900d3eb96092bd8d0d9a2
[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" "28b24d89acd09b1c0bb4f9917019b2d072996e31ac2900d3eb96092bd8d0d9a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28b24d89acd09b1c0bb4f9917019b2d072996e31ac2900d3eb96092bd8d0d9a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b24d89acd09b1c0bb4f9917019b2d072996e31ac2900d3eb96092bd8d0d9a2", kill_on_drop: false }`
[INFO] [stdout] 28b24d89acd09b1c0bb4f9917019b2d072996e31ac2900d3eb96092bd8d0d9a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--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] 82e18086d503a3f2de41849b2659b0fcf497f43f6a5943ebce74a68b93629b81
[INFO] running `Command { std: "docker" "start" "-a" "82e18086d503a3f2de41849b2659b0fcf497f43f6a5943ebce74a68b93629b81", 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[E0425]: cannot find function `scoped` in module `thread`
[INFO] [stdout]   --> src/lib.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let trd = thread::scoped(move|| {
[INFO] [stdout]    |                               ^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(scoped)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0554.
[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 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "82e18086d503a3f2de41849b2659b0fcf497f43f6a5943ebce74a68b93629b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e18086d503a3f2de41849b2659b0fcf497f43f6a5943ebce74a68b93629b81", kill_on_drop: false }`
[INFO] [stdout] 82e18086d503a3f2de41849b2659b0fcf497f43f6a5943ebce74a68b93629b81
