[INFO] fetching crate map-trait 0.3.1...
[INFO] testing map-trait-0.3.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate map-trait 0.3.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate map-trait 0.3.1 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 map-trait 0.3.1
[INFO] finished tweaking crates.io crate map-trait 0.3.1
[INFO] tweaked toml for crates.io crate map-trait 0.3.1 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 48d8a906e47528de0bf4b45a589551e66b2d007d8d7f6b27e675574d783ebf5a
[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" "48d8a906e47528de0bf4b45a589551e66b2d007d8d7f6b27e675574d783ebf5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48d8a906e47528de0bf4b45a589551e66b2d007d8d7f6b27e675574d783ebf5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d8a906e47528de0bf4b45a589551e66b2d007d8d7f6b27e675574d783ebf5a", kill_on_drop: false }`
[INFO] [stdout] 48d8a906e47528de0bf4b45a589551e66b2d007d8d7f6b27e675574d783ebf5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] b81221813fb302bc61b62e0063acae3a765ec988a1fd691b90d8f4c8b668d31d
[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" "b81221813fb302bc61b62e0063acae3a765ec988a1fd691b90d8f4c8b668d31d", kill_on_drop: false }`
[INFO] [stderr]    Compiling map-trait v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0478]: lifetime bound not satisfied
[INFO] [stdout]   --> src/map.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn get<'a, Q: ?Sized>(&'a self, k: &Q) -> Option<Self::GetGuard<'a>>
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: lifetime parameter instantiated with the lifetime `'m` as defined on the impl at 90:6
[INFO] [stdout]   --> src/map.rs:90:6
[INFO] [stdout]    |
[INFO] [stdout] 90 | impl<'m, K, V, S> Map<'m, K, V> for std::collections::HashMap<K, V, S>
[INFO] [stdout]    |      ^^
[INFO] [stdout] note: but lifetime parameter must outlive the lifetime `'a` as defined on the method body at 99:12
[INFO] [stdout]   --> src/map.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn get<'a, Q: ?Sized>(&'a self, k: &Q) -> Option<Self::GetGuard<'a>>
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0478]: lifetime bound not satisfied
[INFO] [stdout]    --> src/map.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn get<'a, Q: ?Sized>(&'a self, k: &Q) -> Option<Self::GetGuard<'a>>
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: lifetime parameter instantiated with the lifetime `'m` as defined on the impl at 113:6
[INFO] [stdout]    --> src/map.rs:113:6
[INFO] [stdout]     |
[INFO] [stdout] 113 | impl<'m, K, V> Map<'m, K, V> for std::collections::BTreeMap<K, V>
[INFO] [stdout]     |      ^^
[INFO] [stdout] note: but lifetime parameter must outlive the lifetime `'a` as defined on the method body at 121:12
[INFO] [stdout]    --> src/map.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn get<'a, Q: ?Sized>(&'a self, k: &Q) -> Option<Self::GetGuard<'a>>
[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: E0478, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0478`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `map-trait` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "b81221813fb302bc61b62e0063acae3a765ec988a1fd691b90d8f4c8b668d31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81221813fb302bc61b62e0063acae3a765ec988a1fd691b90d8f4c8b668d31d", kill_on_drop: false }`
[INFO] [stdout] b81221813fb302bc61b62e0063acae3a765ec988a1fd691b90d8f4c8b668d31d
