[INFO] fetching crate barg 0.2.0...
[INFO] checking barg-0.2.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate barg 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate barg 0.2.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate barg 0.2.0
[INFO] finished tweaking crates.io crate barg 0.2.0
[INFO] tweaked toml for crates.io crate barg 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9436e4d195bb9d8b8eeb2e79a665ddc8b08f3ec5fb18af819c28e6accaa8e35
[INFO] running `"docker" "start" "-a" "a9436e4d195bb9d8b8eeb2e79a665ddc8b08f3ec5fb18af819c28e6accaa8e35"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling pix v0.6.1
[INFO] [stderr]     Checking window v0.2.0
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking miniz_oxide v0.2.3
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.3
[INFO] [stderr]     Checking png v0.10.0
[INFO] [stderr]     Checking footile v0.3.1
[INFO] [stderr]    Compiling png_pong v0.0.2
[INFO] [stderr]     Checking fonterator v0.4.2
[INFO] [stderr]     Checking rvg v0.0.2
[INFO] [stderr]    Compiling sheep v0.2.1
[INFO] [stderr]    Compiling res v0.4.1
[INFO] [stderr]    Compiling barg v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/gui.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 |   type Generator<'b> = Fn(
[INFO] [stderr]   |  ______________________^
[INFO] [stderr] 6 | |             usize,
[INFO] [stderr] 7 | |             &mut [u8; 5],
[INFO] [stderr] 8 | |         )
[INFO] [stderr] 9 | |             -> &'b [(&'b [([u8; 4], &'b [PathOp])], &'b str)];
[INFO] [stderr]   | |_____________________________________________________________^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Generator<'b> = dyn Fn(
[INFO] [stderr] 6 |             usize,
[INFO] [stderr] 7 |             &mut [u8; 5],
[INFO] [stderr] 8 |         )
[INFO] [stderr] 9 |             -> &'b [(&'b [([u8; 4], &'b [PathOp])], &'b str)];
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/gui.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 |   type Generator<'b> = Fn(
[INFO] [stderr]   |  ______________________^
[INFO] [stderr] 6 | |             usize,
[INFO] [stderr] 7 | |             &mut [u8; 5],
[INFO] [stderr] 8 | |         )
[INFO] [stderr] 9 | |             -> &'b [(&'b [([u8; 4], &'b [PathOp])], &'b str)];
[INFO] [stderr]   | |_____________________________________________________________^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Generator<'b> = dyn Fn(
[INFO] [stderr] 6 |             usize,
[INFO] [stderr] 7 |             &mut [u8; 5],
[INFO] [stderr] 8 |         )
[INFO] [stderr] 9 |             -> &'b [(&'b [([u8; 4], &'b [PathOp])], &'b str)];
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]   --> examples/gui.rs:34:43
[INFO] [stderr]    |
[INFO] [stderr] 34 |     gui.head(&mut surface, &mut buffer, &|row, color| {
[INFO] [stderr]    |                                           ^^^ help: consider prefixing with an underscore: `_row`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.21s
[INFO] running `"docker" "inspect" "a9436e4d195bb9d8b8eeb2e79a665ddc8b08f3ec5fb18af819c28e6accaa8e35"`
[INFO] running `"docker" "rm" "-f" "a9436e4d195bb9d8b8eeb2e79a665ddc8b08f3ec5fb18af819c28e6accaa8e35"`
[INFO] [stdout] a9436e4d195bb9d8b8eeb2e79a665ddc8b08f3ec5fb18af819c28e6accaa8e35