[INFO] fetching crate sorted-list 0.2.0...
[INFO] checking sorted-list-0.2.0 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate sorted-list 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate sorted-list 0.2.0 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sorted-list 0.2.0
[INFO] finished tweaking crates.io crate sorted-list 0.2.0
[INFO] tweaked toml for crates.io crate sorted-list 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56553f5ade57debf01535d015e3a32fce7ea1f337412481bd80b201a94bcc1eb
[INFO] running `Command { std: "docker" "start" "-a" "56553f5ade57debf01535d015e3a32fce7ea1f337412481bd80b201a94bcc1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56553f5ade57debf01535d015e3a32fce7ea1f337412481bd80b201a94bcc1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56553f5ade57debf01535d015e3a32fce7ea1f337412481bd80b201a94bcc1eb", kill_on_drop: false }`
[INFO] [stdout] 56553f5ade57debf01535d015e3a32fce7ea1f337412481bd80b201a94bcc1eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c50100bd1289cfa2bdd0cce7f4e3bb259ad0980b078e8c4940c5c87c8c2252bd
[INFO] running `Command { std: "docker" "start" "-a" "c50100bd1289cfa2bdd0cce7f4e3bb259ad0980b078e8c4940c5c87c8c2252bd", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking sorted-list v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:561:9
[INFO] [stdout]     |
[INFO] [stdout] 561 | /         /// 1000, 100 => 4.08s (3.76s release) originally
[INFO] [stdout] 562 | |         /// 1000, 100 for copy types: 0.66s (0.23s release)
[INFO] [stdout]     | |___________________________________________________________^
[INFO] [stdout] 563 |           let max_key = 1000;
[INFO] [stdout]     |           ------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ResultExt` is never used
[INFO] [stdout]    --> src/lib.rs:192:7
[INFO] [stdout]     |
[INFO] [stdout] 192 | trait ResultExt<A> {
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:364:28
[INFO] [stdout]     |
[INFO] [stdout] 364 |             keys: self.keys.clone(),
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Vec<K>` does not implement `Clone`, so calling `clone` on `&Vec<K>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 364 -             keys: self.keys.clone(),
[INFO] [stdout] 364 +             keys: self.keys,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:365:32
[INFO] [stdout]     |
[INFO] [stdout] 365 |             values: self.values.clone(),
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Vec<V>` does not implement `Clone`, so calling `clone` on `&Vec<V>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 365 -             values: self.values.clone(),
[INFO] [stdout] 365 +             values: self.values,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ResultExt` is never used
[INFO] [stdout]    --> src/lib.rs:192:7
[INFO] [stdout]     |
[INFO] [stdout] 192 | trait ResultExt<A> {
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:364:28
[INFO] [stdout]     |
[INFO] [stdout] 364 |             keys: self.keys.clone(),
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Vec<K>` does not implement `Clone`, so calling `clone` on `&Vec<K>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 364 -             keys: self.keys.clone(),
[INFO] [stdout] 364 +             keys: self.keys,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:365:32
[INFO] [stdout]     |
[INFO] [stdout] 365 |             values: self.values.clone(),
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Vec<V>` does not implement `Clone`, so calling `clone` on `&Vec<V>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 365 -             values: self.values.clone(),
[INFO] [stdout] 365 +             values: self.values,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "c50100bd1289cfa2bdd0cce7f4e3bb259ad0980b078e8c4940c5c87c8c2252bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50100bd1289cfa2bdd0cce7f4e3bb259ad0980b078e8c4940c5c87c8c2252bd", kill_on_drop: false }`
[INFO] [stdout] c50100bd1289cfa2bdd0cce7f4e3bb259ad0980b078e8c4940c5c87c8c2252bd