[INFO] fetching crate ranged 0.1.1...
[INFO] checking ranged-0.1.1 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate ranged 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ranged 0.1.1 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc13757372431b200adf21d944986c09541f46092b144a192815c5c378ffcb7f
[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" "bc13757372431b200adf21d944986c09541f46092b144a192815c5c378ffcb7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc13757372431b200adf21d944986c09541f46092b144a192815c5c378ffcb7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc13757372431b200adf21d944986c09541f46092b144a192815c5c378ffcb7f", kill_on_drop: false }`
[INFO] [stdout] bc13757372431b200adf21d944986c09541f46092b144a192815c5c378ffcb7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48c9e35d38ac2840dd52bbb300a2251f49751bd78495a5291b482a16f47d43e1
[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" "48c9e35d38ac2840dd52bbb300a2251f49751bd78495a5291b482a16f47d43e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[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: 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: 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 4.43s
[INFO] running `Command { std: "docker" "inspect" "48c9e35d38ac2840dd52bbb300a2251f49751bd78495a5291b482a16f47d43e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c9e35d38ac2840dd52bbb300a2251f49751bd78495a5291b482a16f47d43e1", kill_on_drop: false }`
[INFO] [stdout] 48c9e35d38ac2840dd52bbb300a2251f49751bd78495a5291b482a16f47d43e1