[INFO] crate mbox 0.4.4 is already in cache
[INFO] testing mbox-0.4.4 against 1.44.0 for beta-1.45-1
[INFO] extracting crate mbox 0.4.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mbox 0.4.4 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mbox 0.4.4
[INFO] finished tweaking crates.io crate mbox 0.4.4
[INFO] tweaked toml for crates.io crate mbox 0.4.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 729106d79f02b00126b9daed8b93dd949b9c8836ec2278b71e3c324e27978296
[INFO] running `"docker" "start" "-a" "729106d79f02b00126b9daed8b93dd949b9c8836ec2278b71e3c324e27978296"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mbox v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sentinel.rs:110:20
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mbox = try!(MBox::from_raw_utf8_parts(base as *mut u8, len + 1));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mbox.rs:730:22
[INFO] [stderr]     |
[INFO] [stderr] 730 |         let string = try!(from_utf8(bytes)) as *const str as *mut str;
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "729106d79f02b00126b9daed8b93dd949b9c8836ec2278b71e3c324e27978296"`
[INFO] running `"docker" "rm" "-f" "729106d79f02b00126b9daed8b93dd949b9c8836ec2278b71e3c324e27978296"`
[INFO] [stdout] 729106d79f02b00126b9daed8b93dd949b9c8836ec2278b71e3c324e27978296
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11bb529b66ad58a4cf27af3c31092dee78ec66f7c63273447c1ce9a3f1c8efd4
[INFO] running `"docker" "start" "-a" "11bb529b66ad58a4cf27af3c31092dee78ec66f7c63273447c1ce9a3f1c8efd4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mbox v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sentinel.rs:110:20
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mbox = try!(MBox::from_raw_utf8_parts(base as *mut u8, len + 1));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mbox.rs:730:22
[INFO] [stderr]     |
[INFO] [stderr] 730 |         let string = try!(from_utf8(bytes)) as *const str as *mut str;
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sentinel.rs:110:20
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mbox = try!(MBox::from_raw_utf8_parts(base as *mut u8, len + 1));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mbox.rs:730:22
[INFO] [stderr]     |
[INFO] [stderr] 730 |         let string = try!(from_utf8(bytes)) as *const str as *mut str;
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `"docker" "inspect" "11bb529b66ad58a4cf27af3c31092dee78ec66f7c63273447c1ce9a3f1c8efd4"`
[INFO] running `"docker" "rm" "-f" "11bb529b66ad58a4cf27af3c31092dee78ec66f7c63273447c1ce9a3f1c8efd4"`
[INFO] [stdout] 11bb529b66ad58a4cf27af3c31092dee78ec66f7c63273447c1ce9a3f1c8efd4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ae6a955e7cf3b2cc2a3c2d64d05bf43a4caab51d6e26b3e034f4280cb6681f6
[INFO] running `"docker" "start" "-a" "3ae6a955e7cf3b2cc2a3c2d64d05bf43a4caab51d6e26b3e034f4280cb6681f6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sentinel.rs:110:20
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mbox = try!(MBox::from_raw_utf8_parts(base as *mut u8, len + 1));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mbox.rs:730:22
[INFO] [stderr]     |
[INFO] [stderr] 730 |         let string = try!(from_utf8(bytes)) as *const str as *mut str;
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sentinel.rs:110:20
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mbox = try!(MBox::from_raw_utf8_parts(base as *mut u8, len + 1));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mbox.rs:730:22
[INFO] [stderr]     |
[INFO] [stderr] 730 |         let string = try!(from_utf8(bytes)) as *const str as *mut str;
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mbox-2558fd0cf4955c2a
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test mbox::test_clone_from ... ok
[INFO] [stdout] test mbox::test_default_str ... ok
[INFO] [stdout] test mbox::test_non_utf8 ... ok
[INFO] [stdout] test mbox::test_no_drop_flag ... ok
[INFO] [stdout] test mbox::test_slice ... ok
[INFO] [stdout] test mbox::test_slice_with_drops ... ok
[INFO] [stdout] test mbox::test_standard_traits ... ok
[INFO] [stdout] test mbox::test_into_iterator ... ok
[INFO] [stdout] test mbox::test_string_from_bytes ... ok
[INFO] [stdout] test mbox::test_zero_sized_type ... ok
[INFO] [stdout] test sentinel::test_array_into_mbox ... ok
[INFO] [stdout] test mbox::test_into_raw ... ok
[INFO] [stdout] test mbox::test_iter_drop ... ok
[INFO] [stdout] test sentinel::test_array_with_drop ... ok
[INFO] [stdout] test sentinel::test_default_array ... ok
[INFO] [stdout] test sentinel::test_c_str ... ok
[INFO] [stdout] test sentinel::test_default_string ... ok
[INFO] [stdout] test sentinel::test_hash_array ... ok
[INFO] [stdout] test sentinel::test_hash_string ... ok
[INFO] [stdout] test sentinel::test_non_utf8_string ... ok
[INFO] [stdout] test sentinel::test_string_into_mbox ... ok
[INFO] [stdout] test sentinel::test_string ... ok
[INFO] [stdout] test mbox::test_non_zero ... ok
[INFO] [stdout] test mbox::test_clone_slice ... ok
[INFO] [stdout] test mbox::test_clone ... ok
[INFO] [stdout] test mbox::test_from_iterator ... ok
[INFO] [stdout] test mbox::test_format ... ok
[INFO] [stdout] test mbox::test_empty_slice ... ok
[INFO] [stdout] test mbox::test_zst_slice ... ok
[INFO] [stdout] test sentinel::test_array ... ok
[INFO] [stdout] test mbox::test_iter_properties ... ok
[INFO] [stdout] test mbox::test_single_object ... ok
[INFO] [stdout] test mbox::test_panic_on_clone_slice ... ok
[INFO] [stdout] test mbox::test_panic_during_clone_from ... ok
[INFO] [stdout] test mbox::test_panic_during_clone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mbox
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3ae6a955e7cf3b2cc2a3c2d64d05bf43a4caab51d6e26b3e034f4280cb6681f6"`
[INFO] running `"docker" "rm" "-f" "3ae6a955e7cf3b2cc2a3c2d64d05bf43a4caab51d6e26b3e034f4280cb6681f6"`
[INFO] [stdout] 3ae6a955e7cf3b2cc2a3c2d64d05bf43a4caab51d6e26b3e034f4280cb6681f6