[INFO] crate daemon 0.0.8 is already in cache
[INFO] extracting crate daemon 0.0.8 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/daemon/0.0.8
[INFO] extracting crate daemon 0.0.8 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/daemon/0.0.8
[INFO] validating manifest of daemon-0.0.8 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of daemon-0.0.8 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing daemon-0.0.8
[INFO] finished frobbing daemon-0.0.8
[INFO] frobbed toml for daemon-0.0.8 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/daemon/0.0.8/Cargo.toml
[INFO] started frobbing daemon-0.0.8
[INFO] finished frobbing daemon-0.0.8
[INFO] frobbed toml for daemon-0.0.8 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/daemon/0.0.8/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking daemon-0.0.8 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-4/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/daemon/0.0.8:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 43cae0b05496dbe34150f5b61e869d711e5c910c71d7e563df5f7fd31f1461aa
[INFO] running `"docker" "start" "-a" "43cae0b05496dbe34150f5b61e869d711e5c910c71d7e563df5f7fd31f1461aa"`
[INFO] [stderr]     Checking daemon v0.0.8 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `sig`
[INFO] [stderr]    --> src/linux.rs:125:42
[INFO] [stderr]     |
[INFO] [stderr] 125 | unsafe extern "system" fn signal_handler(sig: libc::c_int) {
[INFO] [stderr]     |                                          ^^^ help: consider prefixing with an underscore: `_sig`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/linux.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     unsafe {
[INFO] [stderr]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `signal_handler`
[INFO] [stderr]    --> src/linux.rs:125:1
[INFO] [stderr]     |
[INFO] [stderr] 125 | unsafe extern "system" fn signal_handler(sig: libc::c_int) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `raise`
[INFO] [stderr]    --> src/linux.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn raise(sig: libc::c_int) -> libc::c_int;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `signal`
[INFO] [stderr]    --> src/linux.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     fn signal(sig: libc::c_int, handler: *const libc::c_void) -> libc::c_int;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `kill`
[INFO] [stderr]    --> src/linux.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     fn kill(pid: libc::pid_t, sig: libc::c_int) -> libc::c_int;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sig`
[INFO] [stderr]    --> src/linux.rs:125:42
[INFO] [stderr]     |
[INFO] [stderr] 125 | unsafe extern "system" fn signal_handler(sig: libc::c_int) {
[INFO] [stderr]     |                                          ^^^ help: consider prefixing with an underscore: `_sig`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/linux.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     unsafe {
[INFO] [stderr]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `signal_handler`
[INFO] [stderr]    --> src/linux.rs:125:1
[INFO] [stderr]     |
[INFO] [stderr] 125 | unsafe extern "system" fn signal_handler(sig: libc::c_int) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `raise`
[INFO] [stderr]    --> src/linux.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn raise(sig: libc::c_int) -> libc::c_int;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `signal`
[INFO] [stderr]    --> src/linux.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     fn signal(sig: libc::c_int, handler: *const libc::c_void) -> libc::c_int;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `kill`
[INFO] [stderr]    --> src/linux.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     fn kill(pid: libc::pid_t, sig: libc::c_int) -> libc::c_int;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "43cae0b05496dbe34150f5b61e869d711e5c910c71d7e563df5f7fd31f1461aa"`
[INFO] running `"docker" "rm" "-f" "43cae0b05496dbe34150f5b61e869d711e5c910c71d7e563df5f7fd31f1461aa"`
[INFO] [stdout] 43cae0b05496dbe34150f5b61e869d711e5c910c71d7e563df5f7fd31f1461aa