[INFO] fetching crate bobbytables 0.2.0...
[INFO] checking bobbytables-0.2.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate bobbytables 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate bobbytables 0.2.0
[INFO] finished tweaking crates.io crate bobbytables 0.2.0
[INFO] tweaked toml for crates.io crate bobbytables 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bobbytables 0.2.0 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f07325ce27129e0b745d7fb85fb9c298905004fbcd20cef5035e1e1843647c3c
[INFO] running `Command { std: "docker" "start" "-a" "f07325ce27129e0b745d7fb85fb9c298905004fbcd20cef5035e1e1843647c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f07325ce27129e0b745d7fb85fb9c298905004fbcd20cef5035e1e1843647c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07325ce27129e0b745d7fb85fb9c298905004fbcd20cef5035e1e1843647c3c", kill_on_drop: false }`
[INFO] [stdout] f07325ce27129e0b745d7fb85fb9c298905004fbcd20cef5035e1e1843647c3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31e3f92383d8b749fbd85139209abafbe3fbe9a7873240fd746ffe58cd1fcb4d
[INFO] running `Command { std: "docker" "start" "-a" "31e3f92383d8b749fbd85139209abafbe3fbe9a7873240fd746ffe58cd1fcb4d", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking bobbytables v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:298:22
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 for (key, val) in (&c).into_iter() {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/lib.rs:316:27
[INFO] [stdout]     |
[INFO] [stdout] 316 |                 for (key, val) in (&c1).into_iter() {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:434:17
[INFO] [stdout]     |
[INFO] [stdout] 434 |                 drop(val);
[INFO] [stdout]     |                 ^^^^^---^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 434 -                 drop(val);
[INFO] [stdout] 434 +                 let _ = val;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "31e3f92383d8b749fbd85139209abafbe3fbe9a7873240fd746ffe58cd1fcb4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e3f92383d8b749fbd85139209abafbe3fbe9a7873240fd746ffe58cd1fcb4d", kill_on_drop: false }`
[INFO] [stdout] 31e3f92383d8b749fbd85139209abafbe3fbe9a7873240fd746ffe58cd1fcb4d
