[INFO] fetching crate fmedia 0.2.0... [INFO] checking fmedia-0.2.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] extracting crate fmedia 0.2.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate fmedia 0.2.0 [INFO] finished tweaking crates.io crate fmedia 0.2.0 [INFO] tweaked toml for crates.io crate fmedia 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate fmedia 0.2.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate fmedia 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 707dd0f8a304980c88369bf27a61f2248baf5bd240c871c467a3de9875bfdc22 [INFO] running `Command { std: "docker" "start" "-a" "707dd0f8a304980c88369bf27a61f2248baf5bd240c871c467a3de9875bfdc22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "707dd0f8a304980c88369bf27a61f2248baf5bd240c871c467a3de9875bfdc22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "707dd0f8a304980c88369bf27a61f2248baf5bd240c871c467a3de9875bfdc22", kill_on_drop: false }` [INFO] [stdout] 707dd0f8a304980c88369bf27a61f2248baf5bd240c871c467a3de9875bfdc22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0845c34ee4fb408f10955846c53a1bb513f83dc53eed48808457272a3a4ca9a1 [INFO] running `Command { std: "docker" "start" "-a" "0845c34ee4fb408f10955846c53a1bb513f83dc53eed48808457272a3a4ca9a1", kill_on_drop: false }` [INFO] [stderr] Checking fmedia v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `call_once` [INFO] [stdout] --> src/lib.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | Self::ONCE_INIT.call_once(|| found = true); [INFO] [stdout] | ---------------^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `ONCE_INIT` is a interior mutable `const` item of type `std::sync::Once` [INFO] [stdout] | [INFO] [stdout] = note: each usage of a `const` item creates a new temporary [INFO] [stdout] = note: only the temporaries and never the original `const ONCE_INIT` will be modified [INFO] [stdout] = help: for more details on interior mutability see [INFO] [stdout] = note: `#[warn(const_item_interior_mutations)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `call_once` [INFO] [stdout] --> src/lib.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | Self::ONCE_INIT.call_once(|| found = true); [INFO] [stdout] | ---------------^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `ONCE_INIT` is a interior mutable `const` item of type `std::sync::Once` [INFO] [stdout] | [INFO] [stdout] = note: each usage of a `const` item creates a new temporary [INFO] [stdout] = note: only the temporaries and never the original `const ONCE_INIT` will be modified [INFO] [stdout] = help: for more details on interior mutability see [INFO] [stdout] = note: `#[warn(const_item_interior_mutations)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "0845c34ee4fb408f10955846c53a1bb513f83dc53eed48808457272a3a4ca9a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0845c34ee4fb408f10955846c53a1bb513f83dc53eed48808457272a3a4ca9a1", kill_on_drop: false }` [INFO] [stdout] 0845c34ee4fb408f10955846c53a1bb513f83dc53eed48808457272a3a4ca9a1