[INFO] crate daemon 0.0.8 is already in cache
[INFO] testing daemon-0.0.8 against 1.38.0 for beta-1.39-1
[INFO] extracting crate daemon 0.0.8 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate daemon 0.0.8 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate daemon 0.0.8
[INFO] finished tweaking crates.io crate daemon 0.0.8
[INFO] tweaked toml for crates.io crate daemon 0.0.8 written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] b84ab21e9df63f4b1c44af6e7ab4298048eb558100bf56558837d4102db8d22f
[INFO] running `"docker" "start" "-a" "b84ab21e9df63f4b1c44af6e7ab4298048eb558100bf56558837d4102db8d22f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling daemon v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/linux.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |     holder: Box<DaemonFunc>,
[INFO] [stderr]    |                 ^^^^^^^^^^ help: use `dyn`: `dyn DaemonFunc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/singleton.rs:38:46
[INFO] [stderr]    |
[INFO] [stderr] 38 |               static ONCE: ::std::sync::Once = ::std::sync::ONCE_INIT;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/linux.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / declare_singleton!(
[INFO] [stderr] 10 | |     singleton,
[INFO] [stderr] 11 | |     DaemonHolder,
[INFO] [stderr] 12 | |     DaemonHolder {
[INFO] [stderr] 13 | |         holder: 0 as *mut DaemonStatic
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | );
[INFO] [stderr]    | |__- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[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 1.23s
[INFO] running `"docker" "inspect" "b84ab21e9df63f4b1c44af6e7ab4298048eb558100bf56558837d4102db8d22f"`
[INFO] running `"docker" "rm" "-f" "b84ab21e9df63f4b1c44af6e7ab4298048eb558100bf56558837d4102db8d22f"`
[INFO] [stdout] b84ab21e9df63f4b1c44af6e7ab4298048eb558100bf56558837d4102db8d22f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bbc3a01794a4b0f0377728197dd2e0b234d3ec9b1d655b713fb1b6af01d5db8b
[INFO] running `"docker" "start" "-a" "bbc3a01794a4b0f0377728197dd2e0b234d3ec9b1d655b713fb1b6af01d5db8b"`
[INFO] [stderr]    Compiling daemon v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/linux.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |     holder: Box<DaemonFunc>,
[INFO] [stderr]    |                 ^^^^^^^^^^ help: use `dyn`: `dyn DaemonFunc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/singleton.rs:38:46
[INFO] [stderr]    |
[INFO] [stderr] 38 |             static ONCE: ::std::sync::Once = ::std::sync::ONCE_INIT;
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr] ...
[INFO] [stderr] 61 |         declare_singleton!(simple_singleton, u32, 0);
[INFO] [stderr]    |         --------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/singleton.rs:38:46
[INFO] [stderr]    |
[INFO] [stderr] 38 |               static ONCE: ::std::sync::Once = ::std::sync::ONCE_INIT;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/linux.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / declare_singleton!(
[INFO] [stderr] 10 | |     singleton,
[INFO] [stderr] 11 | |     DaemonHolder,
[INFO] [stderr] 12 | |     DaemonHolder {
[INFO] [stderr] 13 | |         holder: 0 as *mut DaemonStatic
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | );
[INFO] [stderr]    | |__- in this macro invocation
[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 0.55s
[INFO] running `"docker" "inspect" "bbc3a01794a4b0f0377728197dd2e0b234d3ec9b1d655b713fb1b6af01d5db8b"`
[INFO] running `"docker" "rm" "-f" "bbc3a01794a4b0f0377728197dd2e0b234d3ec9b1d655b713fb1b6af01d5db8b"`
[INFO] [stdout] bbc3a01794a4b0f0377728197dd2e0b234d3ec9b1d655b713fb1b6af01d5db8b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 1dc7e7dfa5b495cb837f67087a20025066a68a98369138b86f5a99605965cc2e
[INFO] running `"docker" "start" "-a" "1dc7e7dfa5b495cb837f67087a20025066a68a98369138b86f5a99605965cc2e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/daemon-66278b312fa6bee3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test singleton::test::smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/example-3c1cd010d7a9f197
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests daemon
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1dc7e7dfa5b495cb837f67087a20025066a68a98369138b86f5a99605965cc2e"`
[INFO] running `"docker" "rm" "-f" "1dc7e7dfa5b495cb837f67087a20025066a68a98369138b86f5a99605965cc2e"`
[INFO] [stdout] 1dc7e7dfa5b495cb837f67087a20025066a68a98369138b86f5a99605965cc2e