[INFO] fetching crate ranged 0.1.1...
[INFO] checking ranged-0.1.1 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate ranged 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ranged 0.1.1 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ranged 0.1.1
[INFO] finished tweaking crates.io crate ranged 0.1.1
[INFO] tweaked toml for crates.io crate ranged 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94c4658164d7e98c70ead689214044e91f8e475b0d6356f38610efaac3f2a0c9
[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" "94c4658164d7e98c70ead689214044e91f8e475b0d6356f38610efaac3f2a0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94c4658164d7e98c70ead689214044e91f8e475b0d6356f38610efaac3f2a0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c4658164d7e98c70ead689214044e91f8e475b0d6356f38610efaac3f2a0c9", kill_on_drop: false }`
[INFO] [stdout] 94c4658164d7e98c70ead689214044e91f8e475b0d6356f38610efaac3f2a0c9
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 038b017d2eda9d4f6dba0b2ab43a577f734a70c9bd6b414024b9df4468ff7298
[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" "038b017d2eda9d4f6dba0b2ab43a577f734a70c9bd6b414024b9df4468ff7298", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking ranged v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::*`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::*;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `meta` should have an upper camel case name
[INFO] [stdout]  --> src/helpers.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct meta {
[INFO] [stdout]   |        ^^^^ help: convert the identifier to upper camel case: `Meta`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `meta`
[INFO] [stdout]  --> src/helpers.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct meta {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Domain`
[INFO] [stdout]   --> src/helpers.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum Domain {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `domain`
[INFO] [stdout]   --> src/helpers.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn domain<T: Num+Ord>(range: Range<T>) -> Domain {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `domain_min_neg`
[INFO] [stdout]   --> src/helpers.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn domain_min_neg<T: Num>(val: T) -> Domain {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `domain_min_0`
[INFO] [stdout]   --> src/helpers.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn domain_min_0<T: Num>(val: T) -> Domain {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::*`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::*;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `meta` should have an upper camel case name
[INFO] [stdout]  --> src/helpers.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct meta {
[INFO] [stdout]   |        ^^^^ help: convert the identifier to upper camel case: `Meta`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `meta`
[INFO] [stdout]  --> src/helpers.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct meta {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Domain`
[INFO] [stdout]   --> src/helpers.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum Domain {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `domain`
[INFO] [stdout]   --> src/helpers.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn domain<T: Num+Ord>(range: Range<T>) -> Domain {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `domain_min_neg`
[INFO] [stdout]   --> src/helpers.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn domain_min_neg<T: Num>(val: T) -> Domain {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `domain_min_0`
[INFO] [stdout]   --> src/helpers.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn domain_min_0<T: Num>(val: T) -> Domain {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "038b017d2eda9d4f6dba0b2ab43a577f734a70c9bd6b414024b9df4468ff7298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038b017d2eda9d4f6dba0b2ab43a577f734a70c9bd6b414024b9df4468ff7298", kill_on_drop: false }`
[INFO] [stdout] 038b017d2eda9d4f6dba0b2ab43a577f734a70c9bd6b414024b9df4468ff7298