[INFO] fetching crate uninit-tools 0.0.7...
[INFO] checking uninit-tools-0.0.7 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate uninit-tools 0.0.7 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate uninit-tools 0.0.7 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uninit-tools 0.0.7
[INFO] finished tweaking crates.io crate uninit-tools 0.0.7
[INFO] tweaked toml for crates.io crate uninit-tools 0.0.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ioslice v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e17f2727d9c8d709d5ac565d74574fab5397a55e8614ea571a2a90c5d6613b3b
[INFO] running `Command { std: "docker" "start" "-a" "e17f2727d9c8d709d5ac565d74574fab5397a55e8614ea571a2a90c5d6613b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e17f2727d9c8d709d5ac565d74574fab5397a55e8614ea571a2a90c5d6613b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e17f2727d9c8d709d5ac565d74574fab5397a55e8614ea571a2a90c5d6613b3b", kill_on_drop: false }`
[INFO] [stdout] e17f2727d9c8d709d5ac565d74574fab5397a55e8614ea571a2a90c5d6613b3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0dad3c7aee5a0876316c7e6b79e6fc2187355eedfd65cc958568e2f8281cc29
[INFO] running `Command { std: "docker" "start" "-a" "a0dad3c7aee5a0876316c7e6b79e6fc2187355eedfd65cc958568e2f8281cc29", kill_on_drop: false }`
[INFO] [stderr]     Checking uninit-tools v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]   --> src/traits.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub trait Sealed {}
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]   --> src/traits.rs:92:15
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub trait Sealed {}
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]   --> src/traits.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub trait Sealed {}
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]   --> src/traits.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub trait Sealed {}
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]   --> src/traits.rs:92:15
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub trait Sealed {}
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]   --> src/traits.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub trait Sealed {}
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "a0dad3c7aee5a0876316c7e6b79e6fc2187355eedfd65cc958568e2f8281cc29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0dad3c7aee5a0876316c7e6b79e6fc2187355eedfd65cc958568e2f8281cc29", kill_on_drop: false }`
[INFO] [stdout] a0dad3c7aee5a0876316c7e6b79e6fc2187355eedfd65cc958568e2f8281cc29