[INFO] fetching crate naru 0.4.0...
[INFO] checking naru-0.4.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate naru 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate naru 0.4.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate naru 0.4.0
[INFO] finished tweaking crates.io crate naru 0.4.0
[INFO] tweaked toml for crates.io crate naru 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate naru 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d61545147c569e581092e18ddf3549c9627ceb86461b377248fa5a7e07a08704
[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" "d61545147c569e581092e18ddf3549c9627ceb86461b377248fa5a7e07a08704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d61545147c569e581092e18ddf3549c9627ceb86461b377248fa5a7e07a08704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61545147c569e581092e18ddf3549c9627ceb86461b377248fa5a7e07a08704", kill_on_drop: false }`
[INFO] [stdout] d61545147c569e581092e18ddf3549c9627ceb86461b377248fa5a7e07a08704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff25e401b42002b9a460e11d6b3b74e41916d9d2596f9daec7afacf1bf478613
[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" "ff25e401b42002b9a460e11d6b3b74e41916d9d2596f9daec7afacf1bf478613", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking sublime_fuzzy v0.6.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking naru v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fputc`
[INFO] [stdout]  --> src/tty.rs:3:66
[INFO] [stdout]   |
[INFO] [stdout] 3 |   c_int, c_void, close, fclose, fd_set, fflush, fileno, fprintf, fputc, ioctl, pselect, read,
[INFO] [stdout]   |                                                                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fputc`
[INFO] [stdout]  --> src/tty.rs:3:66
[INFO] [stdout]   |
[INFO] [stdout] 3 |   c_int, c_void, close, fclose, fd_set, fflush, fileno, fprintf, fputc, ioctl, pselect, read,
[INFO] [stdout]   |                                                                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |       eprintln!("{}", e.description());
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |       eprintln!("{}", e.description());
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ranges`
[INFO] [stdout]   --> src/selector.rs:25:3
[INFO] [stdout]    |
[INFO] [stdout] 25 |   ranges: Vec<(usize, usize)>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ranges`
[INFO] [stdout]   --> src/selector.rs:25:3
[INFO] [stdout]    |
[INFO] [stdout] 25 |   ranges: Vec<(usize, usize)>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.73s
[INFO] running `Command { std: "docker" "inspect" "ff25e401b42002b9a460e11d6b3b74e41916d9d2596f9daec7afacf1bf478613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff25e401b42002b9a460e11d6b3b74e41916d9d2596f9daec7afacf1bf478613", kill_on_drop: false }`
[INFO] [stdout] ff25e401b42002b9a460e11d6b3b74e41916d9d2596f9daec7afacf1bf478613