[INFO] fetching crate ift 0.3.2...
[INFO] testing ift-0.3.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ift 0.3.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ift 0.3.2 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 ift 0.3.2
[INFO] finished tweaking crates.io crate ift 0.3.2
[INFO] tweaked toml for crates.io crate ift 0.3.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] 637c337b417ee739d0625bb292bfe056f89b8efeaa93da698cbf38301a14d922
[INFO] running `Command { std: "docker" "start" "-a" "637c337b417ee739d0625bb292bfe056f89b8efeaa93da698cbf38301a14d922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "637c337b417ee739d0625bb292bfe056f89b8efeaa93da698cbf38301a14d922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "637c337b417ee739d0625bb292bfe056f89b8efeaa93da698cbf38301a14d922", kill_on_drop: false }`
[INFO] [stdout] 637c337b417ee739d0625bb292bfe056f89b8efeaa93da698cbf38301a14d922
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5a0be6c6fa9e39257c10cddf7f2c75d15c606bd534f13ac01ba5583f223724a
[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" "a5a0be6c6fa9e39257c10cddf7f2c75d15c606bd534f13ac01ba5583f223724a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling pnet_base v0.27.2
[INFO] [stderr]    Compiling pnet_base v0.22.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling pnet v0.22.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling pnet_sys v0.22.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling pnet_macros_support v0.22.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.27.2
[INFO] [stderr]    Compiling ipnetwork v0.14.0
[INFO] [stderr]    Compiling pnet_datalink v0.22.0
[INFO] [stderr]    Compiling pnet_packet v0.22.0
[INFO] [stdout] error[E0599]: no method named `to_primitive_values` found for struct `MacAddr` in the current scope
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/pnet_packet-46215ed022a3af39/out/ethernet.rs:442:24
[INFO] [stdout]     |
[INFO] [stdout] 442 |         let vals = val.to_primitive_values();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^ method not found in `MacAddr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_primitive_values` found for struct `MacAddr` in the current scope
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/pnet_packet-46215ed022a3af39/out/ethernet.rs:499:24
[INFO] [stdout]     |
[INFO] [stdout] 499 |         let vals = val.to_primitive_values();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^ method not found in `MacAddr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_primitive_values` found for struct `MacAddr` in the current scope
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/pnet_packet-46215ed022a3af39/out/arp.rs:776:24
[INFO] [stdout]     |
[INFO] [stdout] 776 |         let vals = val.to_primitive_values();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^ method not found in `MacAddr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_primitive_values` found for struct `MacAddr` in the current scope
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/pnet_packet-46215ed022a3af39/out/arp.rs:874:24
[INFO] [stdout]     |
[INFO] [stdout] 874 |         let vals = val.to_primitive_values();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^ method not found in `MacAddr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pnet_packet`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a5a0be6c6fa9e39257c10cddf7f2c75d15c606bd534f13ac01ba5583f223724a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a0be6c6fa9e39257c10cddf7f2c75d15c606bd534f13ac01ba5583f223724a", kill_on_drop: false }`
[INFO] [stdout] a5a0be6c6fa9e39257c10cddf7f2c75d15c606bd534f13ac01ba5583f223724a