[INFO] fetching crate rust-tcl 0.3.0...
[INFO] checking rust-tcl-0.3.0 against beta for pr-78714
[INFO] extracting crate rust-tcl 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust-tcl 0.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-tcl 0.3.0
[INFO] removed path dependency rust-tcl-sys from crates.io crate rust-tcl 0.3.0
[INFO] finished tweaking crates.io crate rust-tcl 0.3.0
[INFO] tweaked toml for crates.io crate rust-tcl 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 747e0870e82e20c164883ad6209b5b3185e94587668667e1a5e8fe5f93382242
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "747e0870e82e20c164883ad6209b5b3185e94587668667e1a5e8fe5f93382242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "747e0870e82e20c164883ad6209b5b3185e94587668667e1a5e8fe5f93382242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747e0870e82e20c164883ad6209b5b3185e94587668667e1a5e8fe5f93382242", kill_on_drop: false }`
[INFO] [stdout] 747e0870e82e20c164883ad6209b5b3185e94587668667e1a5e8fe5f93382242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c7eabbd428bdd0dcb967eb7791354e6cf57a5d1e36863fef3eb98455f1c71b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1c7eabbd428bdd0dcb967eb7791354e6cf57a5d1e36863fef3eb98455f1c71b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tcl-sys v0.2.0
[INFO] [stderr]     Checking rust-tcl v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/tcl.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 | static INIT_TCL: sync::Once = sync::ONCE_INIT;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/tcl.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 | static INIT_TCL: sync::Once = sync::ONCE_INIT;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]   --> examples/repl.rs:70:33
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 Some(self.items.connect(" "))
[INFO] [stdout]    |                                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "1c7eabbd428bdd0dcb967eb7791354e6cf57a5d1e36863fef3eb98455f1c71b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c7eabbd428bdd0dcb967eb7791354e6cf57a5d1e36863fef3eb98455f1c71b5", kill_on_drop: false }`
[INFO] [stdout] 1c7eabbd428bdd0dcb967eb7791354e6cf57a5d1e36863fef3eb98455f1c71b5