[INFO] fetching crate leak_slice 0.2.0...
[INFO] checking leak_slice-0.2.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate leak_slice 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate leak_slice 0.2.0
[INFO] finished tweaking crates.io crate leak_slice 0.2.0
[INFO] tweaked toml for crates.io crate leak_slice 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate leak_slice 0.2.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bcfda0fe7cfae0c8234e38b74a282a4a145b8e22985782ced2b55c09151ff64
[INFO] running `Command { std: "docker" "start" "-a" "7bcfda0fe7cfae0c8234e38b74a282a4a145b8e22985782ced2b55c09151ff64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bcfda0fe7cfae0c8234e38b74a282a4a145b8e22985782ced2b55c09151ff64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bcfda0fe7cfae0c8234e38b74a282a4a145b8e22985782ced2b55c09151ff64", kill_on_drop: false }`
[INFO] [stdout] 7bcfda0fe7cfae0c8234e38b74a282a4a145b8e22985782ced2b55c09151ff64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 993fd361f867a464855631c6c4ba8f01ceec7a16dee12bdb93c0270ed28c5ec4
[INFO] running `Command { std: "docker" "start" "-a" "993fd361f867a464855631c6c4ba8f01ceec7a16dee12bdb93c0270ed28c5ec4", kill_on_drop: false }`
[INFO] [stderr]     Checking leak_slice v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> tests/leak.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     forget(slice);
[INFO] [stdout]    |     ^^^^^^^-----^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            argument has type `&mut [i32]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 10 -     forget(slice);
[INFO] [stdout] 10 +     let _ = slice;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "993fd361f867a464855631c6c4ba8f01ceec7a16dee12bdb93c0270ed28c5ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "993fd361f867a464855631c6c4ba8f01ceec7a16dee12bdb93c0270ed28c5ec4", kill_on_drop: false }`
[INFO] [stdout] 993fd361f867a464855631c6c4ba8f01ceec7a16dee12bdb93c0270ed28c5ec4