[INFO] fetching crate genelf 0.2.4...
[INFO] checking genelf-0.2.4 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate genelf 0.2.4 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate genelf 0.2.4 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate genelf 0.2.4
[INFO] finished tweaking crates.io crate genelf 0.2.4
[INFO] tweaked toml for crates.io crate genelf 0.2.4 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] defd431ba3c01bcca7c735e2c163196fad4fb210f18dccd7ff7c54274ac501e4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "defd431ba3c01bcca7c735e2c163196fad4fb210f18dccd7ff7c54274ac501e4"`
[INFO] [stderr]     Checking genelf v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]  --> src/elf/elf.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_emagic`
[INFO] [stderr]    --> src/elf/elf.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn check_emagic(u: &Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_etype`
[INFO] [stderr]    --> src/elf/elf.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn check_etype(u: u16) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_machine`
[INFO] [stderr]    --> src/elf/elf.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn check_machine(u: &Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `len`
[INFO] [stderr]    --> src/elf/elf.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     len: usize,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]  --> src/elf/elf.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_emagic`
[INFO] [stderr]    --> src/elf/elf.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn check_emagic(u: &Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_etype`
[INFO] [stderr]    --> src/elf/elf.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn check_etype(u: u16) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_machine`
[INFO] [stderr]    --> src/elf/elf.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn check_machine(u: &Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `len`
[INFO] [stderr]    --> src/elf/elf.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     len: usize,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "defd431ba3c01bcca7c735e2c163196fad4fb210f18dccd7ff7c54274ac501e4"`
[INFO] running `"docker" "rm" "-f" "defd431ba3c01bcca7c735e2c163196fad4fb210f18dccd7ff7c54274ac501e4"`
[INFO] [stdout] defd431ba3c01bcca7c735e2c163196fad4fb210f18dccd7ff7c54274ac501e4