[INFO] fetching crate nstd_str 0.1.0...
[INFO] testing nstd_str-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate nstd_str 0.1.0 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate nstd_str 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nstd_str 0.1.0
[INFO] finished tweaking crates.io crate nstd_str 0.1.0
[INFO] tweaked toml for crates.io crate nstd_str 0.1.0 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1db8e5bad356e91a8fb9aaf8b5cb1ed49c7d769f014650a38a8d380cfd80a56a
[INFO] running `Command { std: "docker" "start" "-a" "1db8e5bad356e91a8fb9aaf8b5cb1ed49c7d769f014650a38a8d380cfd80a56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1db8e5bad356e91a8fb9aaf8b5cb1ed49c7d769f014650a38a8d380cfd80a56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db8e5bad356e91a8fb9aaf8b5cb1ed49c7d769f014650a38a8d380cfd80a56a", kill_on_drop: false }`
[INFO] [stdout] 1db8e5bad356e91a8fb9aaf8b5cb1ed49c7d769f014650a38a8d380cfd80a56a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aade2ce5c032a4f3be1fef5c2d0904953d828eb9d62149c3728c42fa6c42c62d
[INFO] running `Command { std: "docker" "start" "-a" "aade2ce5c032a4f3be1fef5c2d0904953d828eb9d62149c3728c42fa6c42c62d", 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] [stderr]    Compiling nstd_str v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     CString::from_raw(*str);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     CString::from_raw(*str);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "aade2ce5c032a4f3be1fef5c2d0904953d828eb9d62149c3728c42fa6c42c62d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aade2ce5c032a4f3be1fef5c2d0904953d828eb9d62149c3728c42fa6c42c62d", kill_on_drop: false }`
[INFO] [stdout] aade2ce5c032a4f3be1fef5c2d0904953d828eb9d62149c3728c42fa6c42c62d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbdf543bd6d1cce9f3bd92f0e314e14f7c3b03a8575ab44e389fedcd5661db14
[INFO] running `Command { std: "docker" "start" "-a" "dbdf543bd6d1cce9f3bd92f0e314e14f7c3b03a8575ab44e389fedcd5661db14", kill_on_drop: false }`
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     CString::from_raw(*str);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nstd_str v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     CString::from_raw(*str);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     CString::from_raw(*str);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     CString::from_raw(*str);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "dbdf543bd6d1cce9f3bd92f0e314e14f7c3b03a8575ab44e389fedcd5661db14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbdf543bd6d1cce9f3bd92f0e314e14f7c3b03a8575ab44e389fedcd5661db14", kill_on_drop: false }`
[INFO] [stdout] dbdf543bd6d1cce9f3bd92f0e314e14f7c3b03a8575ab44e389fedcd5661db14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76400c4992985b1ea789fc88778942a91783313421ee627f7756faf961e81845
[INFO] running `Command { std: "docker" "start" "-a" "76400c4992985b1ea789fc88778942a91783313421ee627f7756faf961e81845", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stderr]   --> src/lib.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     CString::from_raw(*str);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stderr]    --> src/lib.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     CString::from_raw(*str);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stderr] 
[INFO] [stderr] warning: `nstd_str` (lib) generated 2 warnings
[INFO] [stderr] warning: `nstd_str` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nstd_str-4afc79c572b293b8)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nstd_str
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76400c4992985b1ea789fc88778942a91783313421ee627f7756faf961e81845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76400c4992985b1ea789fc88778942a91783313421ee627f7756faf961e81845", kill_on_drop: false }`
[INFO] [stdout] 76400c4992985b1ea789fc88778942a91783313421ee627f7756faf961e81845