[INFO] fetching crate cbor_enhanced 0.1.0...
[INFO] testing cbor_enhanced-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate cbor_enhanced 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cbor_enhanced 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cbor_enhanced 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cbor_enhanced 0.1.0
[INFO] tweaked toml for crates.io crate cbor_enhanced 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate cbor_enhanced 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71d7894d7ba7b98b286e14df8a991ceedbb7fc8a05523e4daea1ac4baedcf071
[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" "71d7894d7ba7b98b286e14df8a991ceedbb7fc8a05523e4daea1ac4baedcf071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71d7894d7ba7b98b286e14df8a991ceedbb7fc8a05523e4daea1ac4baedcf071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d7894d7ba7b98b286e14df8a991ceedbb7fc8a05523e4daea1ac4baedcf071", kill_on_drop: false }`
[INFO] [stdout] 71d7894d7ba7b98b286e14df8a991ceedbb7fc8a05523e4daea1ac4baedcf071
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a988899de8075316172da6e8dee1a65cdf2fbedebd4cdc1338e414a8a37afdcc
[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" "a988899de8075316172da6e8dee1a65cdf2fbedebd4cdc1338e414a8a37afdcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling bytes v0.5.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling addr2line v0.12.2
[INFO] [stderr]    Compiling backtrace v0.3.49
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling cbor_enhanced v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.92s
[INFO] running `Command { std: "docker" "inspect" "a988899de8075316172da6e8dee1a65cdf2fbedebd4cdc1338e414a8a37afdcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a988899de8075316172da6e8dee1a65cdf2fbedebd4cdc1338e414a8a37afdcc", kill_on_drop: false }`
[INFO] [stdout] a988899de8075316172da6e8dee1a65cdf2fbedebd4cdc1338e414a8a37afdcc
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff940460f9c661b0f67b7ab606299f11a6f4d9040f4cc1b75b6eae3465de72b2
[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" "ff940460f9c661b0f67b7ab606299f11a6f4d9040f4cc1b75b6eae3465de72b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling cbor_enhanced v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data_ref`
[INFO] [stdout]  --> examples/arrays.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let data_ref: &[u16] = &data;
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_ref`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `safe_transmute`
[INFO] [stdout]  --> tests/transmute.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use safe_transmute::PedanticGuard;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ use of undeclared type or module `safe_transmute`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `safe_transmute`
[INFO] [stdout]   --> tests/transmute.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn test_transmution<T: safe_transmute::TriviallyTransmutable + PartialEq + Debug>(
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ use of undeclared type or module `safe_transmute`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `safe_transmute`
[INFO] [stdout]   --> tests/transmute.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let bytes = safe_transmute::to_bytes::transmute_to_bytes(input);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ use of undeclared type or module `safe_transmute`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `safe_transmute`
[INFO] [stdout]    --> tests/transmute.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn transmute<T: safe_transmute::TriviallyTransmutable>(data: &[u8]) -> &[T] {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ use of undeclared type or module `safe_transmute`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `safe_transmute`
[INFO] [stdout]    --> tests/transmute.rs:112:14
[INFO] [stdout]     |
[INFO] [stdout] 112 |     unsafe { safe_transmute::trivial::transmute_trivial_many::<T, PedanticGuard>(data) }.unwrap()
[INFO] [stdout]     |              ^^^^^^^^^^^^^^ use of undeclared type or module `safe_transmute`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cbor_enhanced`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ff940460f9c661b0f67b7ab606299f11a6f4d9040f4cc1b75b6eae3465de72b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff940460f9c661b0f67b7ab606299f11a6f4d9040f4cc1b75b6eae3465de72b2", kill_on_drop: false }`
[INFO] [stdout] ff940460f9c661b0f67b7ab606299f11a6f4d9040f4cc1b75b6eae3465de72b2
