Nov 30 08:33:22.645 INFO checking SpamapS/rubble against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323 Nov 30 08:33:22.645 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Nov 30 08:33:22.940 INFO [stdout] bbc59b8017b2a4459921754ad772632c892c26de0a15d65418b1fb8d0da84926 Nov 30 08:33:22.946 INFO running `"docker" "start" "-a" "bbc59b8017b2a4459921754ad772632c892c26de0a15d65418b1fb8d0da84926"` Nov 30 08:33:23.459 INFO [stderr] usermod: no changes Nov 30 08:33:23.604 INFO [stderr] Checking syscall v0.2.1 Nov 30 08:33:23.606 INFO [stderr] Checking isatty v0.1.3 Nov 30 08:33:23.608 INFO [stderr] Checking unreachable v0.1.1 Nov 30 08:33:23.608 INFO [stderr] Checking nix v0.8.0 Nov 30 08:33:23.612 INFO [stderr] Checking backtrace v0.3.0 Nov 30 08:33:24.152 INFO [stderr] Checking thread_local v0.3.3 Nov 30 08:33:24.622 INFO [stderr] Checking error-chain v0.8.1 Nov 30 08:33:24.983 INFO [stderr] Checking regex v0.2.1 Nov 30 08:33:25.732 INFO [stderr] Checking caps v0.0.1 Nov 30 08:33:27.888 INFO [stderr] Checking env_logger v0.4.2 Nov 30 08:33:28.745 INFO [stderr] Checking rubble v0.1.0 (/source) Nov 30 08:33:30.010 INFO [stderr] warning: unused import: `CLONE_NEWIPC` Nov 30 08:33:30.010 INFO [stderr] --> src/main.rs:24:73 Nov 30 08:33:30.010 INFO [stderr] | Nov 30 08:33:30.010 INFO [stderr] 24 | CLONE_NEWNS, CLONE_NEWUSER, CLONE_NEWPID, CLONE_NEWNET, CLONE_NEWIPC, CLONE_NEWUTS, Nov 30 08:33:30.010 INFO [stderr] | ^^^^^^^^^^^^ Nov 30 08:33:30.010 INFO [stderr] | Nov 30 08:33:30.010 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 08:33:30.010 INFO [stderr] Nov 30 08:33:30.120 INFO [stderr] warning: unused import: `CLONE_NEWIPC` Nov 30 08:33:30.120 INFO [stderr] --> src/main.rs:24:73 Nov 30 08:33:30.120 INFO [stderr] | Nov 30 08:33:30.120 INFO [stderr] 24 | CLONE_NEWNS, CLONE_NEWUSER, CLONE_NEWPID, CLONE_NEWNET, CLONE_NEWIPC, CLONE_NEWUTS, Nov 30 08:33:30.120 INFO [stderr] | ^^^^^^^^^^^^ Nov 30 08:33:30.120 INFO [stderr] | Nov 30 08:33:30.120 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 08:33:30.120 INFO [stderr] Nov 30 08:33:30.129 INFO [stderr] warning: unused variable: `real_gid` Nov 30 08:33:30.129 INFO [stderr] --> src/main.rs:54:35 Nov 30 08:33:30.129 INFO [stderr] | Nov 30 08:33:30.129 INFO [stderr] 54 | fn acquire_privs(real_uid: uid_t, real_gid: uid_t) -> bool { Nov 30 08:33:30.129 INFO [stderr] | ^^^^^^^^ help: consider using `_real_gid` instead Nov 30 08:33:30.129 INFO [stderr] | Nov 30 08:33:30.129 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 08:33:30.129 INFO [stderr] Nov 30 08:33:30.129 INFO [stderr] warning: unused variable: `overflow_uid` Nov 30 08:33:30.129 INFO [stderr] --> src/main.rs:341:10 Nov 30 08:33:30.129 INFO [stderr] | Nov 30 08:33:30.129 INFO [stderr] 341 | let (overflow_uid, overflow_gid) = read_overflowids(); Nov 30 08:33:30.129 INFO [stderr] | ^^^^^^^^^^^^ help: consider using `_overflow_uid` instead Nov 30 08:33:30.129 INFO [stderr] Nov 30 08:33:30.129 INFO [stderr] warning: unused variable: `overflow_gid` Nov 30 08:33:30.129 INFO [stderr] --> src/main.rs:341:24 Nov 30 08:33:30.129 INFO [stderr] | Nov 30 08:33:30.129 INFO [stderr] 341 | let (overflow_uid, overflow_gid) = read_overflowids(); Nov 30 08:33:30.129 INFO [stderr] | ^^^^^^^^^^^^ help: consider using `_overflow_gid` instead Nov 30 08:33:30.129 INFO [stderr] Nov 30 08:33:30.129 INFO [stderr] warning: variable `host_tty_dev` is assigned to, but never used Nov 30 08:33:30.129 INFO [stderr] --> src/main.rs:343:13 Nov 30 08:33:30.129 INFO [stderr] | Nov 30 08:33:30.129 INFO [stderr] 343 | let mut host_tty_dev: Option = None; Nov 30 08:33:30.129 INFO [stderr] | ^^^^^^^^^^^^ Nov 30 08:33:30.129 INFO [stderr] | Nov 30 08:33:30.129 INFO [stderr] = note: consider using `_host_tty_dev` instead Nov 30 08:33:30.129 INFO [stderr] Nov 30 08:33:30.129 INFO [stderr] warning: value assigned to `host_tty_dev` is never read Nov 30 08:33:30.129 INFO [stderr] --> src/main.rs:345:9 Nov 30 08:33:30.129 INFO [stderr] | Nov 30 08:33:30.129 INFO [stderr] 345 | host_tty_dev = Some(unsafe { Nov 30 08:33:30.129 INFO [stderr] | ^^^^^^^^^^^^ Nov 30 08:33:30.129 INFO [stderr] | Nov 30 08:33:30.129 INFO [stderr] = note: #[warn(unused_assignments)] on by default Nov 30 08:33:30.129 INFO [stderr] Nov 30 08:33:30.129 INFO [stderr] warning: unused variable: `opt_sandbox_uid` Nov 30 08:33:30.129 INFO [stderr] --> src/main.rs:421:9 Nov 30 08:33:30.130 INFO [stderr] | Nov 30 08:33:30.130 INFO [stderr] 421 | let opt_sandbox_uid = match popts.sandbox_uid { Nov 30 08:33:30.130 INFO [stderr] | ^^^^^^^^^^^^^^^ help: consider using `_opt_sandbox_uid` instead Nov 30 08:33:30.130 INFO [stderr] Nov 30 08:33:30.130 INFO [stderr] warning: unused variable: `opt_sandbox_gid` Nov 30 08:33:30.130 INFO [stderr] --> src/main.rs:425:9 Nov 30 08:33:30.130 INFO [stderr] | Nov 30 08:33:30.130 INFO [stderr] 425 | let opt_sandbox_gid = match popts.sandbox_gid { Nov 30 08:33:30.130 INFO [stderr] | ^^^^^^^^^^^^^^^ help: consider using `_opt_sandbox_gid` instead Nov 30 08:33:30.130 INFO [stderr] Nov 30 08:33:30.130 INFO [stderr] warning: unused variable: `proc_wd` Nov 30 08:33:30.130 INFO [stderr] --> src/main.rs:447:9 Nov 30 08:33:30.130 INFO [stderr] | Nov 30 08:33:30.130 INFO [stderr] 447 | let proc_wd = WalkDir::new("/proc"); Nov 30 08:33:30.130 INFO [stderr] | ^^^^^^^ help: consider using `_proc_wd` instead Nov 30 08:33:30.130 INFO [stderr] Nov 30 08:33:30.130 INFO [stderr] warning: variable `event_fd` is assigned to, but never used Nov 30 08:33:30.130 INFO [stderr] --> src/main.rs:467:13 Nov 30 08:33:30.130 INFO [stderr] | Nov 30 08:33:30.130 INFO [stderr] 467 | let mut event_fd: Option = None; Nov 30 08:33:30.130 INFO [stderr] | ^^^^^^^^ Nov 30 08:33:30.130 INFO [stderr] | Nov 30 08:33:30.130 INFO [stderr] = note: consider using `_event_fd` instead Nov 30 08:33:30.130 INFO [stderr] Nov 30 08:33:30.130 INFO [stderr] warning: value assigned to `event_fd` is never read Nov 30 08:33:30.130 INFO [stderr] --> src/main.rs:469:9 Nov 30 08:33:30.130 INFO [stderr] | Nov 30 08:33:30.130 INFO [stderr] 469 | event_fd = match eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK) { Nov 30 08:33:30.130 INFO [stderr] | ^^^^^^^^ Nov 30 08:33:30.130 INFO [stderr] Nov 30 08:33:30.130 INFO [stderr] warning: unused variable: `e` Nov 30 08:33:30.130 INFO [stderr] --> src/main.rs:497:17 Nov 30 08:33:30.130 INFO [stderr] | Nov 30 08:33:30.130 INFO [stderr] 497 | Err(e) => panic!("stat on /proc/self/ns/cgroup failed"), Nov 30 08:33:30.130 INFO [stderr] | ^ help: consider using `_e` instead Nov 30 08:33:30.130 INFO [stderr] Nov 30 08:33:30.130 INFO [stderr] warning: unused variable: `child_wait_fd` Nov 30 08:33:30.130 INFO [stderr] --> src/main.rs:509:9 Nov 30 08:33:30.130 INFO [stderr] | Nov 30 08:33:30.130 INFO [stderr] 509 | let child_wait_fd = match eventfd(0, EFD_CLOEXEC) { Nov 30 08:33:30.130 INFO [stderr] | ^^^^^^^^^^^^^ help: consider using `_child_wait_fd` instead Nov 30 08:33:30.130 INFO [stderr] Nov 30 08:33:30.222 INFO [stderr] warning: unused variable: `real_gid` Nov 30 08:33:30.222 INFO [stderr] --> src/main.rs:54:35 Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] 54 | fn acquire_privs(real_uid: uid_t, real_gid: uid_t) -> bool { Nov 30 08:33:30.222 INFO [stderr] | ^^^^^^^^ help: consider using `_real_gid` instead Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 08:33:30.222 INFO [stderr] Nov 30 08:33:30.222 INFO [stderr] warning: unused variable: `overflow_uid` Nov 30 08:33:30.222 INFO [stderr] --> src/main.rs:341:10 Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] 341 | let (overflow_uid, overflow_gid) = read_overflowids(); Nov 30 08:33:30.222 INFO [stderr] | ^^^^^^^^^^^^ help: consider using `_overflow_uid` instead Nov 30 08:33:30.222 INFO [stderr] Nov 30 08:33:30.222 INFO [stderr] warning: unused variable: `overflow_gid` Nov 30 08:33:30.222 INFO [stderr] --> src/main.rs:341:24 Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] 341 | let (overflow_uid, overflow_gid) = read_overflowids(); Nov 30 08:33:30.222 INFO [stderr] | ^^^^^^^^^^^^ help: consider using `_overflow_gid` instead Nov 30 08:33:30.222 INFO [stderr] Nov 30 08:33:30.222 INFO [stderr] warning: variable `host_tty_dev` is assigned to, but never used Nov 30 08:33:30.222 INFO [stderr] --> src/main.rs:343:13 Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] 343 | let mut host_tty_dev: Option = None; Nov 30 08:33:30.222 INFO [stderr] | ^^^^^^^^^^^^ Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] = note: consider using `_host_tty_dev` instead Nov 30 08:33:30.222 INFO [stderr] Nov 30 08:33:30.222 INFO [stderr] warning: value assigned to `host_tty_dev` is never read Nov 30 08:33:30.222 INFO [stderr] --> src/main.rs:345:9 Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] 345 | host_tty_dev = Some(unsafe { Nov 30 08:33:30.222 INFO [stderr] | ^^^^^^^^^^^^ Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] = note: #[warn(unused_assignments)] on by default Nov 30 08:33:30.222 INFO [stderr] Nov 30 08:33:30.222 INFO [stderr] warning: unused variable: `opt_sandbox_uid` Nov 30 08:33:30.222 INFO [stderr] --> src/main.rs:421:9 Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] 421 | let opt_sandbox_uid = match popts.sandbox_uid { Nov 30 08:33:30.222 INFO [stderr] | ^^^^^^^^^^^^^^^ help: consider using `_opt_sandbox_uid` instead Nov 30 08:33:30.222 INFO [stderr] Nov 30 08:33:30.222 INFO [stderr] warning: unused variable: `opt_sandbox_gid` Nov 30 08:33:30.222 INFO [stderr] --> src/main.rs:425:9 Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] 425 | let opt_sandbox_gid = match popts.sandbox_gid { Nov 30 08:33:30.222 INFO [stderr] | ^^^^^^^^^^^^^^^ help: consider using `_opt_sandbox_gid` instead Nov 30 08:33:30.222 INFO [stderr] Nov 30 08:33:30.222 INFO [stderr] warning: unused variable: `proc_wd` Nov 30 08:33:30.222 INFO [stderr] --> src/main.rs:447:9 Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] 447 | let proc_wd = WalkDir::new("/proc"); Nov 30 08:33:30.222 INFO [stderr] | ^^^^^^^ help: consider using `_proc_wd` instead Nov 30 08:33:30.222 INFO [stderr] Nov 30 08:33:30.222 INFO [stderr] warning: variable `event_fd` is assigned to, but never used Nov 30 08:33:30.222 INFO [stderr] --> src/main.rs:467:13 Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] 467 | let mut event_fd: Option = None; Nov 30 08:33:30.222 INFO [stderr] | ^^^^^^^^ Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] = note: consider using `_event_fd` instead Nov 30 08:33:30.222 INFO [stderr] Nov 30 08:33:30.222 INFO [stderr] warning: value assigned to `event_fd` is never read Nov 30 08:33:30.222 INFO [stderr] --> src/main.rs:469:9 Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] 469 | event_fd = match eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK) { Nov 30 08:33:30.222 INFO [stderr] | ^^^^^^^^ Nov 30 08:33:30.222 INFO [stderr] Nov 30 08:33:30.222 INFO [stderr] warning: unused variable: `e` Nov 30 08:33:30.222 INFO [stderr] --> src/main.rs:497:17 Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.222 INFO [stderr] 497 | Err(e) => panic!("stat on /proc/self/ns/cgroup failed"), Nov 30 08:33:30.222 INFO [stderr] | ^ help: consider using `_e` instead Nov 30 08:33:30.222 INFO [stderr] Nov 30 08:33:30.222 INFO [stderr] warning: unused variable: `child_wait_fd` Nov 30 08:33:30.222 INFO [stderr] --> src/main.rs:509:9 Nov 30 08:33:30.222 INFO [stderr] | Nov 30 08:33:30.223 INFO [stderr] 509 | let child_wait_fd = match eventfd(0, EFD_CLOEXEC) { Nov 30 08:33:30.223 INFO [stderr] | ^^^^^^^^^^^^^ help: consider using `_child_wait_fd` instead Nov 30 08:33:30.223 INFO [stderr] Nov 30 08:33:30.277 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.79s Nov 30 08:33:30.281 INFO [stderr] su: No module specific data is present Nov 30 08:33:30.572 INFO running `"docker" "inspect" "bbc59b8017b2a4459921754ad772632c892c26de0a15d65418b1fb8d0da84926"` Nov 30 08:33:30.670 INFO running `"docker" "rm" "-f" "bbc59b8017b2a4459921754ad772632c892c26de0a15d65418b1fb8d0da84926"` Nov 30 08:33:30.726 INFO [stdout] bbc59b8017b2a4459921754ad772632c892c26de0a15d65418b1fb8d0da84926