[INFO] cloning repository https://github.com/io12/unf
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/io12/unf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Funf"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Funf'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0676fc81ba578d83f7cf33e6db76c3cb2fc92f40
[INFO] checking io12/unf against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Funf" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/io12/unf on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/io12/unf
[INFO] finished tweaking git repo https://github.com/io12/unf
[INFO] tweaked toml for git repo https://github.com/io12/unf written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/io12/unf already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] a224052e15ed02035d8af7f8f5d3883bcdbb5e44259c472b2d59573f73c1a16b
[INFO] running `"docker" "start" "-a" "a224052e15ed02035d8af7f8f5d3883bcdbb5e44259c472b2d59573f73c1a16b"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking promptly v0.1.5
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking unf v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:18:45
[INFO] [stderr]    |
[INFO] [stderr] 18 | type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:18:45
[INFO] [stderr]    |
[INFO] [stderr] 18 | type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.38s
[INFO] running `"docker" "inspect" "a224052e15ed02035d8af7f8f5d3883bcdbb5e44259c472b2d59573f73c1a16b"`
[INFO] running `"docker" "rm" "-f" "a224052e15ed02035d8af7f8f5d3883bcdbb5e44259c472b2d59573f73c1a16b"`
[INFO] [stdout] a224052e15ed02035d8af7f8f5d3883bcdbb5e44259c472b2d59573f73c1a16b