[INFO] crate cbor_enhanced 0.1.0 is already in cache
[INFO] testing cbor_enhanced-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate cbor_enhanced 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cbor_enhanced 0.1.0 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 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-2/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" "+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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--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] d8b4af5cafd3135797cbec8a0fe7295a3692b5d02e480db9539f04dc254539bb
[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" "d8b4af5cafd3135797cbec8a0fe7295a3692b5d02e480db9539f04dc254539bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8b4af5cafd3135797cbec8a0fe7295a3692b5d02e480db9539f04dc254539bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b4af5cafd3135797cbec8a0fe7295a3692b5d02e480db9539f04dc254539bb", kill_on_drop: false }`
[INFO] [stdout] d8b4af5cafd3135797cbec8a0fe7295a3692b5d02e480db9539f04dc254539bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] d20103c50c030769c55e9b9dcf00ba5fa87f225613fa6fe0cfdd4eb6843658a7
[INFO] running `Command { std: "docker" "start" "-a" "d20103c50c030769c55e9b9dcf00ba5fa87f225613fa6fe0cfdd4eb6843658a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling bytes v0.5.5
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling nom v5.1.2
[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 v0.1.8
[INFO] [stderr]    Compiling cbor_enhanced v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.29s
[INFO] running `Command { std: "docker" "inspect" "d20103c50c030769c55e9b9dcf00ba5fa87f225613fa6fe0cfdd4eb6843658a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20103c50c030769c55e9b9dcf00ba5fa87f225613fa6fe0cfdd4eb6843658a7", kill_on_drop: false }`
[INFO] [stdout] d20103c50c030769c55e9b9dcf00ba5fa87f225613fa6fe0cfdd4eb6843658a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24e59a332417acd2d6d39598ed6a162c0b4563eba87d161bb4fa4cc501aca9ab
[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" "24e59a332417acd2d6d39598ed6a162c0b4563eba87d161bb4fa4cc501aca9ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[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" "24e59a332417acd2d6d39598ed6a162c0b4563eba87d161bb4fa4cc501aca9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e59a332417acd2d6d39598ed6a162c0b4563eba87d161bb4fa4cc501aca9ab", kill_on_drop: false }`
[INFO] [stdout] 24e59a332417acd2d6d39598ed6a162c0b4563eba87d161bb4fa4cc501aca9ab