[INFO] fetching crate cbor_enhanced 0.1.1...
[INFO] testing cbor_enhanced-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cbor_enhanced 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cbor_enhanced 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cbor_enhanced 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cbor_enhanced 0.1.1
[INFO] tweaked toml for crates.io crate cbor_enhanced 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate cbor_enhanced 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] e9f7edeb3c1552de7bf9b6c62b642ef38be8d04db3f4f7c653f6d9c2e393ee87
[INFO] running `Command { std: "docker" "start" "-a" "e9f7edeb3c1552de7bf9b6c62b642ef38be8d04db3f4f7c653f6d9c2e393ee87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9f7edeb3c1552de7bf9b6c62b642ef38be8d04db3f4f7c653f6d9c2e393ee87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f7edeb3c1552de7bf9b6c62b642ef38be8d04db3f4f7c653f6d9c2e393ee87", kill_on_drop: false }`
[INFO] [stdout] e9f7edeb3c1552de7bf9b6c62b642ef38be8d04db3f4f7c653f6d9c2e393ee87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 8157c6e5923fb3118498bd565c6462e2d85587c66c2683642e5fc7d9f935d942
[INFO] running `Command { std: "docker" "start" "-a" "8157c6e5923fb3118498bd565c6462e2d85587c66c2683642e5fc7d9f935d942", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling bitvec v0.19.4
[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 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.21s
[INFO] running `Command { std: "docker" "inspect" "8157c6e5923fb3118498bd565c6462e2d85587c66c2683642e5fc7d9f935d942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8157c6e5923fb3118498bd565c6462e2d85587c66c2683642e5fc7d9f935d942", kill_on_drop: false }`
[INFO] [stdout] 8157c6e5923fb3118498bd565c6462e2d85587c66c2683642e5fc7d9f935d942
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ea59339e0193d1f52b5698853185a01c1b3f29824bdf806178c9f1ccb39e810
[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" "6ea59339e0193d1f52b5698853185a01c1b3f29824bdf806178c9f1ccb39e810", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling cbor_enhanced v0.1.1 (/opt/rustwide/workdir)
[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 crate or module `safe_transmute`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate 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 crate or module `safe_transmute`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate 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 crate or module `safe_transmute`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate 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 crate or module `safe_transmute`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate 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 crate 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: 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] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6ea59339e0193d1f52b5698853185a01c1b3f29824bdf806178c9f1ccb39e810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea59339e0193d1f52b5698853185a01c1b3f29824bdf806178c9f1ccb39e810", kill_on_drop: false }`
[INFO] [stdout] 6ea59339e0193d1f52b5698853185a01c1b3f29824bdf806178c9f1ccb39e810