[INFO] fetching crate enforce 0.0.1...
[INFO] testing enforce-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate enforce 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate enforce 0.0.1 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 enforce 0.0.1
[INFO] finished tweaking crates.io crate enforce 0.0.1
[INFO] tweaked toml for crates.io crate enforce 0.0.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8e9f87fb596f5adffa6f826fa257310cccbd5c3c425160a112bbe75391a768fa
[INFO] running `Command { std: "docker" "start" "-a" "8e9f87fb596f5adffa6f826fa257310cccbd5c3c425160a112bbe75391a768fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e9f87fb596f5adffa6f826fa257310cccbd5c3c425160a112bbe75391a768fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e9f87fb596f5adffa6f826fa257310cccbd5c3c425160a112bbe75391a768fa", kill_on_drop: false }`
[INFO] [stdout] 8e9f87fb596f5adffa6f826fa257310cccbd5c3c425160a112bbe75391a768fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 253c1526e33c82d596a1ce5c7fb0beaab2f04613e35bad080f8b7b48b9780158
[INFO] running `Command { std: "docker" "start" "-a" "253c1526e33c82d596a1ce5c7fb0beaab2f04613e35bad080f8b7b48b9780158", kill_on_drop: false }`
[INFO] [stderr]    Compiling enforce v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found keyword `mod`
[INFO] [stdout]  --> src/lib.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fmt::{mod, Show};
[INFO] [stdout]   |                ^^^ expected identifier, found keyword
[INFO] [stdout]   |
[INFO] [stdout] help: escape `mod` to use it as an identifier
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fmt::{r#mod, Show};
[INFO] [stdout]   |                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::fmt::r#mod`, `std::fmt::Show`
[INFO] [stdout]  --> src/lib.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fmt::{mod, Show};
[INFO] [stdout]   |                ^^^  ^^^^ no `Show` in `fmt`
[INFO] [stdout]   |                |
[INFO] [stdout]   |                no `r#mod` in `fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]  --> src/lib.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![license = "MIT"]
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/lib.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[deriving(PartialEq)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fmt`
[INFO] [stdout]   --> src/lib.rs:39:27
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |                           ^^^ use of undeclared crate or module `fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fmt`
[INFO] [stdout]   --> src/lib.rs:39:46
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |                                              ^^^ use of undeclared crate or module `fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/lib.rs:32:34
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub location: (&'static str, uint),
[INFO] [stdout]    |                                  ^^^^ not found in this scope
[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(macro_rules)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `macro_rules` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `macro_rules` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(macro_rules)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![deny(warnings)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(stable_features)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `enforce` due to 9 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "253c1526e33c82d596a1ce5c7fb0beaab2f04613e35bad080f8b7b48b9780158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "253c1526e33c82d596a1ce5c7fb0beaab2f04613e35bad080f8b7b48b9780158", kill_on_drop: false }`
[INFO] [stdout] 253c1526e33c82d596a1ce5c7fb0beaab2f04613e35bad080f8b7b48b9780158