[INFO] updating cached repository https://github.com/ElXreno/zswap-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9450e237a172cd43e91edabc48192754fde8d787
[INFO] testing ElXreno/zswap-cli against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElXreno%2Fzswap-cli" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ElXreno/zswap-cli on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ElXreno/zswap-cli
[INFO] finished tweaking git repo https://github.com/ElXreno/zswap-cli
[INFO] tweaked toml for git repo https://github.com/ElXreno/zswap-cli written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ElXreno/zswap-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8abb821c3b498d3d2905d548253511548ec49f208ac65266194afcd908db266c
[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" "8abb821c3b498d3d2905d548253511548ec49f208ac65266194afcd908db266c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8abb821c3b498d3d2905d548253511548ec49f208ac65266194afcd908db266c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8abb821c3b498d3d2905d548253511548ec49f208ac65266194afcd908db266c", kill_on_drop: false }`
[INFO] [stdout] 8abb821c3b498d3d2905d548253511548ec49f208ac65266194afcd908db266c
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06504adad89bab600a5442a00a6dcc8756328f8c2d6789986b2ea05a3ba2f6f3
[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" "06504adad89bab600a5442a00a6dcc8756328f8c2d6789986b2ea05a3ba2f6f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling libflate_lz77 v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling result v1.0.0
[INFO] [stderr]    Compiling whoami v0.9.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling libflate v1.0.0
[INFO] [stderr]    Compiling procfs v0.8.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serde_ini v0.2.0
[INFO] [stderr]    Compiling zswap-cli v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `user` in crate `whoami`
[INFO] [stdout]   --> src/utils.rs:18:42
[INFO] [stdout]    |
[INFO] [stdout] 18 |     static ref IS_ROOT: bool = { whoami::user() == String::from("root") };
[INFO] [stdout]    |                                          ^^^^ not found in `whoami`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/utils.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |     static ref IS_ROOT: bool = { whoami::user() == String::from("root") };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/utils.rs:19:35
[INFO] [stdout]    |
[INFO] [stdout] 19 |     static ref PAGE_SIZE: usize = { unsafe { sysconf(_SC_PAGESIZE) as usize } };
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zswap-cli`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "06504adad89bab600a5442a00a6dcc8756328f8c2d6789986b2ea05a3ba2f6f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06504adad89bab600a5442a00a6dcc8756328f8c2d6789986b2ea05a3ba2f6f3", kill_on_drop: false }`
[INFO] [stdout] 06504adad89bab600a5442a00a6dcc8756328f8c2d6789986b2ea05a3ba2f6f3