[INFO] fetching crate ipaddr 0.0.3...
[INFO] testing ipaddr-0.0.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ipaddr 0.0.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ipaddr 0.0.3 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 ipaddr 0.0.3
[INFO] finished tweaking crates.io crate ipaddr 0.0.3
[INFO] tweaked toml for crates.io crate ipaddr 0.0.3 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] 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d939d64498eaa4d1b8583d9e2e54667a1eb8fa79fe673ec1af3b1a6b1f7d879d
[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" "d939d64498eaa4d1b8583d9e2e54667a1eb8fa79fe673ec1af3b1a6b1f7d879d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d939d64498eaa4d1b8583d9e2e54667a1eb8fa79fe673ec1af3b1a6b1f7d879d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d939d64498eaa4d1b8583d9e2e54667a1eb8fa79fe673ec1af3b1a6b1f7d879d", kill_on_drop: false }`
[INFO] [stdout] d939d64498eaa4d1b8583d9e2e54667a1eb8fa79fe673ec1af3b1a6b1f7d879d
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fadf77b8eea3623504a28c2407020bd0cbd609491efe6abaae9f285b622a6e52
[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" "fadf77b8eea3623504a28c2407020bd0cbd609491efe6abaae9f285b622a6e52", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipaddr v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(try_from)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:17:32
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:38:32
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ipv4/address/parse.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         b'0'...b'9' => true,
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ipv4/address/parse.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         b'0'...b'9' => byte - b'0',
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ipv6/address/parse.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         b'0'...b'9' | b'a'...b'f' | b'A'...b'F' => true,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ipv6/address/parse.rs:189:27
[INFO] [stdout]     |
[INFO] [stdout] 189 |         b'0'...b'9' | b'a'...b'f' | b'A'...b'F' => true,
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ipv6/address/parse.rs:189:41
[INFO] [stdout]     |
[INFO] [stdout] 189 |         b'0'...b'9' | b'a'...b'f' | b'A'...b'F' => true,
[INFO] [stdout]     |                                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ipv6/address/parse.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |         b'0'...b'9' => byte - b'0',
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ipv6/address/parse.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |         b'a'...b'f' => byte - b'a' + 10,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/ipv6/address/parse.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |         b'A'...b'F' => byte - b'A' + 10,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipaddr`
[INFO] [stdout] error: aborting due to previous error; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "fadf77b8eea3623504a28c2407020bd0cbd609491efe6abaae9f285b622a6e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fadf77b8eea3623504a28c2407020bd0cbd609491efe6abaae9f285b622a6e52", kill_on_drop: false }`
[INFO] [stdout] fadf77b8eea3623504a28c2407020bd0cbd609491efe6abaae9f285b622a6e52