[INFO] fetching crate blz-nx 1.0.1...
[INFO] testing blz-nx-1.0.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate blz-nx 1.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate blz-nx 1.0.1
[INFO] finished tweaking crates.io crate blz-nx 1.0.1
[INFO] tweaked toml for crates.io crate blz-nx 1.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate blz-nx 1.0.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate blz-nx 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b329d4d54c2992c8b5aa9c35d949c10a70af609c9f949ffd5d7665144d38190f
[INFO] running `Command { std: "docker" "start" "-a" "b329d4d54c2992c8b5aa9c35d949c10a70af609c9f949ffd5d7665144d38190f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b329d4d54c2992c8b5aa9c35d949c10a70af609c9f949ffd5d7665144d38190f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b329d4d54c2992c8b5aa9c35d949c10a70af609c9f949ffd5d7665144d38190f", kill_on_drop: false }`
[INFO] [stdout] b329d4d54c2992c8b5aa9c35d949c10a70af609c9f949ffd5d7665144d38190f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f421a0fd315755ed13d0060573fb0a75315210db687f0ef8fa6a1a4535a3256
[INFO] running `Command { std: "docker" "start" "-a" "3f421a0fd315755ed13d0060573fb0a75315210db687f0ef8fa6a1a4535a3256", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling blz-nx v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         &(compression_buffer[0..decompressed_buffer.len()]).copy_from_slice(&decompressed_buffer);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let _ = &(compression_buffer[0..decompressed_buffer.len()]).copy_from_slice(&decompressed_buffer);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "3f421a0fd315755ed13d0060573fb0a75315210db687f0ef8fa6a1a4535a3256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f421a0fd315755ed13d0060573fb0a75315210db687f0ef8fa6a1a4535a3256", kill_on_drop: false }`
[INFO] [stdout] 3f421a0fd315755ed13d0060573fb0a75315210db687f0ef8fa6a1a4535a3256
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea40ada29d6b518a9f6e59023c8cceeebb697fe14199cb6857b986a0528e2348
[INFO] running `Command { std: "docker" "start" "-a" "ea40ada29d6b518a9f6e59023c8cceeebb697fe14199cb6857b986a0528e2348", kill_on_drop: false }`
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         &(compression_buffer[0..decompressed_buffer.len()]).copy_from_slice(&decompressed_buffer);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let _ = &(compression_buffer[0..decompressed_buffer.len()]).copy_from_slice(&decompressed_buffer);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling blz-nx v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         &(compression_buffer[0..decompressed_buffer.len()]).copy_from_slice(&decompressed_buffer);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let _ = &(compression_buffer[0..decompressed_buffer.len()]).copy_from_slice(&decompressed_buffer);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "ea40ada29d6b518a9f6e59023c8cceeebb697fe14199cb6857b986a0528e2348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea40ada29d6b518a9f6e59023c8cceeebb697fe14199cb6857b986a0528e2348", kill_on_drop: false }`
[INFO] [stdout] ea40ada29d6b518a9f6e59023c8cceeebb697fe14199cb6857b986a0528e2348
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3b35432523f887ee1f2ca19ee917a8ef73554809145bf60b9cae6e3e720a0d7
[INFO] running `Command { std: "docker" "start" "-a" "e3b35432523f887ee1f2ca19ee917a8ef73554809145bf60b9cae6e3e720a0d7", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:196:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 196 |         &(compression_buffer[0..decompressed_buffer.len()]).copy_from_slice(&decompressed_buffer);
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] running 0 tests
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 196 |         let _ = &(compression_buffer[0..decompressed_buffer.len()]).copy_from_slice(&decompressed_buffer);
[INFO] [stdout] 
[INFO] [stderr]     |         +++++++
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: `blz-nx` (lib) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr] warning: `blz-nx` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/blz_nx-f9be6a58dd7813a9)
[INFO] [stderr]      Running unittests src/bin/blz-compress.rs (/opt/rustwide/target/debug/deps/blz_nx_compress-89667e3fd5e8720f)
[INFO] [stderr]      Running unittests src/bin/blz-decompress.rs (/opt/rustwide/target/debug/deps/blz_nx_decompress-6a463a76b9945236)
[INFO] [stderr]    Doc-tests blz_nx
[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" "e3b35432523f887ee1f2ca19ee917a8ef73554809145bf60b9cae6e3e720a0d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b35432523f887ee1f2ca19ee917a8ef73554809145bf60b9cae6e3e720a0d7", kill_on_drop: false }`
[INFO] [stdout] e3b35432523f887ee1f2ca19ee917a8ef73554809145bf60b9cae6e3e720a0d7