[INFO] fetching crate display_bytes 0.2.1...
[INFO] testing display_bytes-0.2.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate display_bytes 0.2.1 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate display_bytes 0.2.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a2f764f2d12124a195619760cb012170605a955437956375d4e9900cd714585
[INFO] running `Command { std: "docker" "start" "-a" "6a2f764f2d12124a195619760cb012170605a955437956375d4e9900cd714585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a2f764f2d12124a195619760cb012170605a955437956375d4e9900cd714585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2f764f2d12124a195619760cb012170605a955437956375d4e9900cd714585", kill_on_drop: false }`
[INFO] [stdout] 6a2f764f2d12124a195619760cb012170605a955437956375d4e9900cd714585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8be7fb2f545732d8e19ea9c9dbaa84da8ff722512dbc5e1e75328eae41a3aecf
[INFO] running `Command { std: "docker" "start" "-a" "8be7fb2f545732d8e19ea9c9dbaa84da8ff722512dbc5e1e75328eae41a3aecf", kill_on_drop: false }`
[INFO] [stderr]    Compiling display_bytes v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/base64.rs:25:57
[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 0.38s
[INFO] running `Command { std: "docker" "inspect" "8be7fb2f545732d8e19ea9c9dbaa84da8ff722512dbc5e1e75328eae41a3aecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be7fb2f545732d8e19ea9c9dbaa84da8ff722512dbc5e1e75328eae41a3aecf", kill_on_drop: false }`
[INFO] [stdout] 8be7fb2f545732d8e19ea9c9dbaa84da8ff722512dbc5e1e75328eae41a3aecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6af6b2900dd2e97e7e9fa061bd2823ba239b5da2f6d33149ddfc9f2d3e948880
[INFO] running `Command { std: "docker" "start" "-a" "6af6b2900dd2e97e7e9fa061bd2823ba239b5da2f6d33149ddfc9f2d3e948880", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/base64.rs:25:57
[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 function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/base64.rs:25:57
[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 0.89s
[INFO] running `Command { std: "docker" "inspect" "6af6b2900dd2e97e7e9fa061bd2823ba239b5da2f6d33149ddfc9f2d3e948880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af6b2900dd2e97e7e9fa061bd2823ba239b5da2f6d33149ddfc9f2d3e948880", kill_on_drop: false }`
[INFO] [stdout] 6af6b2900dd2e97e7e9fa061bd2823ba239b5da2f6d33149ddfc9f2d3e948880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4db184b53728fe761b38b55a1d5f3234bef389fa2195a4d91f4217b22f3136a
[INFO] running `Command { std: "docker" "start" "-a" "f4db184b53728fe761b38b55a1d5f3234bef389fa2195a4d91f4217b22f3136a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/base64.rs:25:57
[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: `display_bytes` (lib) generated 1 warning
[INFO] [stderr] warning: `display_bytes` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/display_bytes-1d6a00ba1d09d82b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test base64::test_base64 ... ok
[INFO] [stdout] test basic_test ... ok
[INFO] [stdout] test hex::test_hex ... ok
[INFO] [stdout] test test_invert_delims ... ok
[INFO] [stdout] test test_print_terminators ... ok
[INFO] [stdout] test test_memoization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4db184b53728fe761b38b55a1d5f3234bef389fa2195a4d91f4217b22f3136a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4db184b53728fe761b38b55a1d5f3234bef389fa2195a4d91f4217b22f3136a", kill_on_drop: false }`
[INFO] [stdout] f4db184b53728fe761b38b55a1d5f3234bef389fa2195a4d91f4217b22f3136a