[INFO] crate display_bytes 0.2.1 is already in cache
[INFO] testing display_bytes-0.2.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate display_bytes 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate display_bytes 0.2.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate display_bytes 0.2.1
[INFO] finished tweaking crates.io crate display_bytes 0.2.1
[INFO] tweaked toml for crates.io crate display_bytes 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e6a3cfc01024a37bcf960d723af472df4867059d1050cf30d95ca6228fde46d
[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" "9e6a3cfc01024a37bcf960d723af472df4867059d1050cf30d95ca6228fde46d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e6a3cfc01024a37bcf960d723af472df4867059d1050cf30d95ca6228fde46d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e6a3cfc01024a37bcf960d723af472df4867059d1050cf30d95ca6228fde46d", kill_on_drop: false }`
[INFO] [stdout] 9e6a3cfc01024a37bcf960d723af472df4867059d1050cf30d95ca6228fde46d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4c20e0ef351698732bd67e3f6a73084e51da5198f496459847ba916290876a3
[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" "f4c20e0ef351698732bd67e3f6a73084e51da5198f496459847ba916290876a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling display_bytes v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/base64.rs:25:52
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let mut buf: [u8; BUF_SIZE] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "f4c20e0ef351698732bd67e3f6a73084e51da5198f496459847ba916290876a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c20e0ef351698732bd67e3f6a73084e51da5198f496459847ba916290876a3", kill_on_drop: false }`
[INFO] [stdout] f4c20e0ef351698732bd67e3f6a73084e51da5198f496459847ba916290876a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a39ad6658591174276ecd0c5b533f0a94b836c3cf8fd27521be480ff48badc1
[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" "0a39ad6658591174276ecd0c5b533f0a94b836c3cf8fd27521be480ff48badc1", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/base64.rs:25:52
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let mut buf: [u8; BUF_SIZE] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling display_bytes v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/base64.rs:25:52
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let mut buf: [u8; BUF_SIZE] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "0a39ad6658591174276ecd0c5b533f0a94b836c3cf8fd27521be480ff48badc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a39ad6658591174276ecd0c5b533f0a94b836c3cf8fd27521be480ff48badc1", kill_on_drop: false }`
[INFO] [stdout] 0a39ad6658591174276ecd0c5b533f0a94b836c3cf8fd27521be480ff48badc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c02111394f864b587c28516f3d6598bc222cdb86027f79ba61b32ad2fd0a6e3
[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" "2c02111394f864b587c28516f3d6598bc222cdb86027f79ba61b32ad2fd0a6e3", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/base64.rs:25:52
[INFO] [stderr]    |
[INFO] [stderr] 25 |             let mut buf: [u8; BUF_SIZE] = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/base64.rs:25:52
[INFO] [stderr]    |
[INFO] [stderr] 25 |             let mut buf: [u8; BUF_SIZE] = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/display_bytes-b1a5dc998bf463fe
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_print_terminators ... ok
[INFO] [stdout] test test_memoization ... ok
[INFO] [stdout] test hex::test_hex ... ok
[INFO] [stdout] test basic_test ... ok
[INFO] [stdout] test base64::test_base64 ... ok
[INFO] [stdout] test test_invert_delims ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests display_bytes
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... 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" "2c02111394f864b587c28516f3d6598bc222cdb86027f79ba61b32ad2fd0a6e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c02111394f864b587c28516f3d6598bc222cdb86027f79ba61b32ad2fd0a6e3", kill_on_drop: false }`
[INFO] [stdout] 2c02111394f864b587c28516f3d6598bc222cdb86027f79ba61b32ad2fd0a6e3