[INFO] fetching crate aljabar 1.0.1...
[INFO] checking aljabar-1.0.1 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate aljabar 1.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate aljabar 1.0.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aljabar 1.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate aljabar 1.0.1
[INFO] tweaked toml for crates.io crate aljabar 1.0.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fa8a1b114b265fdad8604968d069e8b36327bee8fe499b6a76cb7f1dd707838
[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" "3fa8a1b114b265fdad8604968d069e8b36327bee8fe499b6a76cb7f1dd707838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa8a1b114b265fdad8604968d069e8b36327bee8fe499b6a76cb7f1dd707838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa8a1b114b265fdad8604968d069e8b36327bee8fe499b6a76cb7f1dd707838", kill_on_drop: false }`
[INFO] [stdout] 3fa8a1b114b265fdad8604968d069e8b36327bee8fe499b6a76cb7f1dd707838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f72f05312e54563cdb110b281386b2dd2e1ff0d927031fc0ceb1e15f68ef1aa
[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" "1f72f05312e54563cdb110b281386b2dd2e1ff0d927031fc0ceb1e15f68ef1aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking aljabar v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:173:1
[INFO] [stdout]     |
[INFO] [stdout] 173 | #![feature(const_generics)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:174:1
[INFO] [stdout]     |
[INFO] [stdout] 174 | #![feature(trivial_bounds)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:175:1
[INFO] [stdout]     |
[INFO] [stdout] 175 | #![feature(maybe_uninit_ref)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: constant expression depends on a generic parameter
[INFO] [stdout]    --> src/vector.rs:173:30
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn truncate(self) -> (TruncatedVector<T, { N }>, T) {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this may fail depending on what value the parameter takes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aljabar`.
[INFO] [stdout] error: constant expression depends on a generic parameter
[INFO] [stdout]    --> src/vector.rs:201:36
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn extend(self, new: T) -> ExtendedVector<T, { N }> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this may fail depending on what value the parameter takes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1f72f05312e54563cdb110b281386b2dd2e1ff0d927031fc0ceb1e15f68ef1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f72f05312e54563cdb110b281386b2dd2e1ff0d927031fc0ceb1e15f68ef1aa", kill_on_drop: false }`
[INFO] [stdout] 1f72f05312e54563cdb110b281386b2dd2e1ff0d927031fc0ceb1e15f68ef1aa
