[INFO] cloning repository https://github.com/sbchaos/cake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbchaos/cake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbchaos%2Fcake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbchaos%2Fcake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee91fbda401cb4004da754e1c462675f368e9745
[INFO] checking sbchaos/cake against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbchaos%2Fcake" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbchaos/cake on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sbchaos/cake
[INFO] finished tweaking git repo https://github.com/sbchaos/cake
[INFO] tweaked toml for git repo https://github.com/sbchaos/cake written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/sbchaos/cake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 47e665ff58eb6109fd251f63abb3f61ee0c5dd3a323e4db06ac104b29a70b504
[INFO] running `Command { std: "docker" "start" "-a" "47e665ff58eb6109fd251f63abb3f61ee0c5dd3a323e4db06ac104b29a70b504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47e665ff58eb6109fd251f63abb3f61ee0c5dd3a323e4db06ac104b29a70b504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e665ff58eb6109fd251f63abb3f61ee0c5dd3a323e4db06ac104b29a70b504", kill_on_drop: false }`
[INFO] [stdout] 47e665ff58eb6109fd251f63abb3f61ee0c5dd3a323e4db06ac104b29a70b504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4898109881c704039c61c4547828ed70a75965bc0078807117ff7be6e54cb1ba
[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" "4898109881c704039c61c4547828ed70a75965bc0078807117ff7be6e54cb1ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking tar v0.4.35
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking cake v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ofs::directory::ODirectory`
[INFO] [stdout]   --> src/analysis/efficiency.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use crate::ofs::directory::ODirectory;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ofs::file_info::FileInfo`
[INFO] [stdout]   --> src/analysis/efficiency.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use crate::ofs::file_info::FileInfo;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ofs::file_info::FileInfo`
[INFO] [stdout]    --> src/ofs/directory.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |     use crate::ofs::file_info::FileInfo;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]    --> src/ofs/directory.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ofs::ofs::OverlayFs`
[INFO] [stdout]   --> src/ofs/file_info.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     use crate::ofs::ofs::OverlayFs;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::LevelFilter::Off`
[INFO] [stdout]   --> src/packages/archive.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     use log::LevelFilter::Off;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NO_BRANCH_SPACE`
[INFO] [stdout]  --> src/ofs/utils.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const NO_BRANCH_SPACE: &str = "    ";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LAST_ITEM`
[INFO] [stdout]  --> src/ofs/utils.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const LAST_ITEM: &str = "└─";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_packages_from_docker`
[INFO] [stdout]   --> src/packages/alpine.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn get_packages_from_docker() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_packages_from_docker`
[INFO] [stdout]   --> src/packages/apt.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn get_packages_from_docker() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_packages_from_docker`
[INFO] [stdout]   --> src/packages/archive.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get_packages_from_docker() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RPM_MACROS`
[INFO] [stdout]  --> src/packages/rpm.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const RPM_MACROS: &str = "/usr/lib/rpm/macros";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_packages_from_docker`
[INFO] [stdout]   --> src/packages/rpm.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn get_packages_from_docker() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NO_BRANCH_SPACE`
[INFO] [stdout]  --> src/ofs/utils.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const NO_BRANCH_SPACE: &str = "    ";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LAST_ITEM`
[INFO] [stdout]  --> src/ofs/utils.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const LAST_ITEM: &str = "└─";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_packages_from_docker`
[INFO] [stdout]   --> src/packages/alpine.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn get_packages_from_docker() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_packages_from_docker`
[INFO] [stdout]   --> src/packages/apt.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn get_packages_from_docker() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_packages_from_docker`
[INFO] [stdout]   --> src/packages/archive.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get_packages_from_docker() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RPM_MACROS`
[INFO] [stdout]  --> src/packages/rpm.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const RPM_MACROS: &str = "/usr/lib/rpm/macros";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_packages_from_docker`
[INFO] [stdout]   --> src/packages/rpm.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn get_packages_from_docker() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.76s
[INFO] running `Command { std: "docker" "inspect" "4898109881c704039c61c4547828ed70a75965bc0078807117ff7be6e54cb1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4898109881c704039c61c4547828ed70a75965bc0078807117ff7be6e54cb1ba", kill_on_drop: false }`
[INFO] [stdout] 4898109881c704039c61c4547828ed70a75965bc0078807117ff7be6e54cb1ba