[INFO] crate mbox 0.4.4 is already in cache
[INFO] testing mbox-0.4.4 against 1.45.2 for beta-1.46-1
[INFO] extracting crate mbox 0.4.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate mbox 0.4.4 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8def0049960875cfc6f6c78260f570854e51c2520e96b4ffc43d72d66e99bdb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e8def0049960875cfc6f6c78260f570854e51c2520e96b4ffc43d72d66e99bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8def0049960875cfc6f6c78260f570854e51c2520e96b4ffc43d72d66e99bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8def0049960875cfc6f6c78260f570854e51c2520e96b4ffc43d72d66e99bdb", kill_on_drop: false }`
[INFO] [stdout] e8def0049960875cfc6f6c78260f570854e51c2520e96b4ffc43d72d66e99bdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ddcb9c75e90dfded488d101973b1d11a8e4100fd9815affcaa135944a842a3b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6ddcb9c75e90dfded488d101973b1d11a8e4100fd9815affcaa135944a842a3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling mbox v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/sentinel.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mbox = try!(MBox::from_raw_utf8_parts(base as *mut u8, len + 1));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mbox.rs:730:22
[INFO] [stdout]     |
[INFO] [stdout] 730 |         let string = try!(from_utf8(bytes)) as *const str as *mut str;
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "6ddcb9c75e90dfded488d101973b1d11a8e4100fd9815affcaa135944a842a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ddcb9c75e90dfded488d101973b1d11a8e4100fd9815affcaa135944a842a3b", kill_on_drop: false }`
[INFO] [stdout] 6ddcb9c75e90dfded488d101973b1d11a8e4100fd9815affcaa135944a842a3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5635a34ff7c6e9bc2d00d4ac57bbf72143382da783463cc121dbb21ca833e9e3
[INFO] running `Command { std: "docker" "start" "-a" "5635a34ff7c6e9bc2d00d4ac57bbf72143382da783463cc121dbb21ca833e9e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mbox v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/sentinel.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mbox = try!(MBox::from_raw_utf8_parts(base as *mut u8, len + 1));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mbox.rs:730:22
[INFO] [stdout]     |
[INFO] [stdout] 730 |         let string = try!(from_utf8(bytes)) as *const str as *mut str;
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/sentinel.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mbox = try!(MBox::from_raw_utf8_parts(base as *mut u8, len + 1));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mbox.rs:730:22
[INFO] [stdout]     |
[INFO] [stdout] 730 |         let string = try!(from_utf8(bytes)) as *const str as *mut str;
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "5635a34ff7c6e9bc2d00d4ac57bbf72143382da783463cc121dbb21ca833e9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5635a34ff7c6e9bc2d00d4ac57bbf72143382da783463cc121dbb21ca833e9e3", kill_on_drop: false }`
[INFO] [stdout] 5635a34ff7c6e9bc2d00d4ac57bbf72143382da783463cc121dbb21ca833e9e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b85d6aa5b1c51f0f4fef8f1e9b4ef7a13ba0aff97dfd3bd9e0c5b3a3b5ce21ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b85d6aa5b1c51f0f4fef8f1e9b4ef7a13ba0aff97dfd3bd9e0c5b3a3b5ce21ab", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout] running 35 tests
[INFO] [stderr]    --> src/sentinel.rs:110:20
[INFO] [stdout] test mbox::test_into_iterator ... ok
[INFO] [stderr]     |
[INFO] [stdout] test mbox::test_format ... ok
[INFO] [stderr] 110 |         let mbox = try!(MBox::from_raw_utf8_parts(base as *mut u8, len + 1));
[INFO] [stdout] test mbox::test_iter_drop ... ok
[INFO] [stderr]     |                    ^^^
[INFO] [stdout] test mbox::test_into_raw ... ok
[INFO] [stderr]     |
[INFO] [stdout] test mbox::test_no_drop_flag ... ok
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] test mbox::test_from_iterator ... ok
[INFO] [stderr] 
[INFO] [stdout] test mbox::test_iter_properties ... ok
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout] test mbox::test_single_object ... ok
[INFO] [stderr]    --> src/mbox.rs:730:22
[INFO] [stdout] test mbox::test_non_zero ... ok
[INFO] [stderr]     |
[INFO] [stdout] test mbox::test_default_str ... ok
[INFO] [stderr] 730 |         let string = try!(from_utf8(bytes)) as *const str as *mut str;
[INFO] [stdout] test mbox::test_slice_with_drops ... ok
[INFO] [stderr]     |                      ^^^
[INFO] [stdout] test mbox::test_standard_traits ... ok
[INFO] [stderr] 
[INFO] [stdout] test mbox::test_string_from_bytes ... ok
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stdout] test sentinel::test_array_into_mbox ... ok
[INFO] [stderr] 
[INFO] [stdout] test sentinel::test_array ... ok
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout] test mbox::test_non_utf8 ... ok
[INFO] [stderr]    --> src/sentinel.rs:110:20
[INFO] [stdout] test mbox::test_zst_slice ... ok
[INFO] [stderr]     |
[INFO] [stdout] test mbox::test_clone_slice ... ok
[INFO] [stderr] 110 |         let mbox = try!(MBox::from_raw_utf8_parts(base as *mut u8, len + 1));
[INFO] [stdout] test mbox::test_empty_slice ... ok
[INFO] [stderr]     |                    ^^^
[INFO] [stdout] test sentinel::test_array_with_drop ... ok
[INFO] [stderr]     |
[INFO] [stdout] test sentinel::test_c_str ... ok
[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-2032887a35d7e8b8
[INFO] [stdout] test sentinel::test_default_array ... ok
[INFO] [stdout] test mbox::test_clone ... ok
[INFO] [stdout] test sentinel::test_hash_string ... ok
[INFO] [stdout] test sentinel::test_default_string ... ok
[INFO] [stdout] test mbox::test_zero_sized_type ... ok
[INFO] [stdout] test sentinel::test_non_utf8_string ... ok
[INFO] [stdout] test mbox::test_clone_from ... ok
[INFO] [stdout] test mbox::test_slice ... ok
[INFO] [stdout] test sentinel::test_hash_array ... ok
[INFO] [stdout] test sentinel::test_string_into_mbox ... ok
[INFO] [stdout] test sentinel::test_string ... ok
[INFO] [stdout] test mbox::test_panic_during_clone_from ... ok
[INFO] [stdout] test mbox::test_panic_during_clone ... ok
[INFO] [stdout] test mbox::test_panic_on_clone_slice ... 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 `Command { std: "docker" "inspect" "b85d6aa5b1c51f0f4fef8f1e9b4ef7a13ba0aff97dfd3bd9e0c5b3a3b5ce21ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b85d6aa5b1c51f0f4fef8f1e9b4ef7a13ba0aff97dfd3bd9e0c5b3a3b5ce21ab", kill_on_drop: false }`
[INFO] [stdout] b85d6aa5b1c51f0f4fef8f1e9b4ef7a13ba0aff97dfd3bd9e0c5b3a3b5ce21ab