[INFO] fetching crate toggle-comment 0.5.0...
[INFO] checking toggle-comment-0.5.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate toggle-comment 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate toggle-comment 0.5.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate toggle-comment 0.5.0
[INFO] finished tweaking crates.io crate toggle-comment 0.5.0
[INFO] tweaked toml for crates.io crate toggle-comment 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate toggle-comment 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] 76493a78c66a052bc25c34a566328755bf377b8c5562ba5916acef2fb5fca20e
[INFO] running `Command { std: "docker" "start" "-a" "76493a78c66a052bc25c34a566328755bf377b8c5562ba5916acef2fb5fca20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76493a78c66a052bc25c34a566328755bf377b8c5562ba5916acef2fb5fca20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76493a78c66a052bc25c34a566328755bf377b8c5562ba5916acef2fb5fca20e", kill_on_drop: false }`
[INFO] [stdout] 76493a78c66a052bc25c34a566328755bf377b8c5562ba5916acef2fb5fca20e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94cfec600056a5822eac25a2d3216d5cace24368b609aa0e8d1e63402f3df68b
[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" "94cfec600056a5822eac25a2d3216d5cace24368b609aa0e8d1e63402f3df68b", kill_on_drop: false }`
[INFO] [stderr]     Checking toggle-comment v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AddressComponent::*`
[INFO] [stdout]    --> src/test.rs:205:29
[INFO] [stdout]     |
[INFO] [stdout] 205 | use {Address::AddressRange, AddressComponent::*};
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:139:31
[INFO] [stdout]     |
[INFO] [stdout] 139 |             AddressRange(Line(s), Step(count)) => todo!(),
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/main.rs:139:40
[INFO] [stdout]     |
[INFO] [stdout] 139 |             AddressRange(Line(s), Step(count)) => todo!(),
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:158:39
[INFO] [stdout]     |
[INFO] [stdout] 158 |             AddressRange(RegexPattern(s), Step(count)) => todo!(),
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/main.rs:158:48
[INFO] [stdout]     |
[INFO] [stdout] 158 |             AddressRange(RegexPattern(s), Step(count)) => todo!(),
[INFO] [stdout]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Step`
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Step(usize),            // ~N
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:139:31
[INFO] [stdout]     |
[INFO] [stdout] 139 |             AddressRange(Line(s), Step(count)) => todo!(),
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/main.rs:139:40
[INFO] [stdout]     |
[INFO] [stdout] 139 |             AddressRange(Line(s), Step(count)) => todo!(),
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:158:39
[INFO] [stdout]     |
[INFO] [stdout] 158 |             AddressRange(RegexPattern(s), Step(count)) => todo!(),
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/main.rs:158:48
[INFO] [stdout]     |
[INFO] [stdout] 158 |             AddressRange(RegexPattern(s), Step(count)) => todo!(),
[INFO] [stdout]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Step`
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Step(usize),            // ~N
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "94cfec600056a5822eac25a2d3216d5cace24368b609aa0e8d1e63402f3df68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94cfec600056a5822eac25a2d3216d5cace24368b609aa0e8d1e63402f3df68b", kill_on_drop: false }`
[INFO] [stdout] 94cfec600056a5822eac25a2d3216d5cace24368b609aa0e8d1e63402f3df68b