[INFO] fetching crate nstd_fs 0.5.0...
[INFO] testing nstd_fs-0.5.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate nstd_fs 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate nstd_fs 0.5.0
[INFO] finished tweaking crates.io crate nstd_fs 0.5.0
[INFO] tweaked toml for crates.io crate nstd_fs 0.5.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nstd_fs 0.5.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nstd_collections v0.5.0
[INFO] [stderr]   Downloaded nstd_alloc v0.5.0
[INFO] [stderr]   Downloaded nstd_core v0.5.0
[INFO] [stderr]   Downloaded platforms v2.0.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.30.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.30.0
[INFO] [stderr]   Downloaded windows v0.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cd5b19de90f205c954b47256aa964824b4abd1bfcc665cf7895a75b6d834b7eb
[INFO] running `Command { std: "docker" "start" "-a" "cd5b19de90f205c954b47256aa964824b4abd1bfcc665cf7895a75b6d834b7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd5b19de90f205c954b47256aa964824b4abd1bfcc665cf7895a75b6d834b7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd5b19de90f205c954b47256aa964824b4abd1bfcc665cf7895a75b6d834b7eb", kill_on_drop: false }`
[INFO] [stdout] cd5b19de90f205c954b47256aa964824b4abd1bfcc665cf7895a75b6d834b7eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f0b6dfce0fbf7b36236b230cdf3dba0e5cd60cba01c1c4dd2e4450793806d582
[INFO] running `Command { std: "docker" "start" "-a" "f0b6dfce0fbf7b36236b230cdf3dba0e5cd60cba01c1c4dd2e4450793806d582", kill_on_drop: false }`
[INFO] [stderr]    Compiling platforms v2.0.0
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling nstd_core v0.5.0
[INFO] [stderr]    Compiling nstd_alloc v0.5.0
[INFO] [stderr]    Compiling nstd_collections v0.5.0
[INFO] [stderr]    Compiling nstd_fs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     Box::from_raw(slice::from_raw_parts_mut(*data, size) as *mut [u8]);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 237 |     let _ = Box::from_raw(slice::from_raw_parts_mut(*data, size) as *mut [u8]);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 290 |     Box::from_raw(*handle);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let _ = Box::from_raw(*handle);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "f0b6dfce0fbf7b36236b230cdf3dba0e5cd60cba01c1c4dd2e4450793806d582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b6dfce0fbf7b36236b230cdf3dba0e5cd60cba01c1c4dd2e4450793806d582", kill_on_drop: false }`
[INFO] [stdout] f0b6dfce0fbf7b36236b230cdf3dba0e5cd60cba01c1c4dd2e4450793806d582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dcdddf57f59700795f827310792656a0af525742ca3e010edff6753c008bbd24
[INFO] running `Command { std: "docker" "start" "-a" "dcdddf57f59700795f827310792656a0af525742ca3e010edff6753c008bbd24", kill_on_drop: false }`
[INFO] [stderr]    Compiling nstd_fs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     Box::from_raw(slice::from_raw_parts_mut(*data, size) as *mut [u8]);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 237 |     let _ = Box::from_raw(slice::from_raw_parts_mut(*data, size) as *mut [u8]);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 290 |     Box::from_raw(*handle);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let _ = Box::from_raw(*handle);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     Box::from_raw(slice::from_raw_parts_mut(*data, size) as *mut [u8]);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 237 |     let _ = Box::from_raw(slice::from_raw_parts_mut(*data, size) as *mut [u8]);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 290 |     Box::from_raw(*handle);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let _ = Box::from_raw(*handle);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "dcdddf57f59700795f827310792656a0af525742ca3e010edff6753c008bbd24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcdddf57f59700795f827310792656a0af525742ca3e010edff6753c008bbd24", kill_on_drop: false }`
[INFO] [stdout] dcdddf57f59700795f827310792656a0af525742ca3e010edff6753c008bbd24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 43621dddf2fac990b2beaeef3985774af1e2c056ac0f7e37f4548e44c3e9f498
[INFO] running `Command { std: "docker" "start" "-a" "43621dddf2fac990b2beaeef3985774af1e2c056ac0f7e37f4548e44c3e9f498", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]    --> src/lib.rs:237:5
[INFO] [stderr]     |
[INFO] [stderr] 237 |     Box::from_raw(slice::from_raw_parts_mut(*data, size) as *mut [u8]);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 237 |     let _ = Box::from_raw(slice::from_raw_parts_mut(*data, size) as *mut [u8]);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]    --> src/lib.rs:290:5
[INFO] [stderr]     |
[INFO] [stderr] 290 |     Box::from_raw(*handle);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 290 |     let _ = Box::from_raw(*handle);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `nstd_fs` (lib) generated 2 warnings
[INFO] [stderr] warning: `nstd_fs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nstd_fs-99035824353974a3)
[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_fs
[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" "43621dddf2fac990b2beaeef3985774af1e2c056ac0f7e37f4548e44c3e9f498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43621dddf2fac990b2beaeef3985774af1e2c056ac0f7e37f4548e44c3e9f498", kill_on_drop: false }`
[INFO] [stdout] 43621dddf2fac990b2beaeef3985774af1e2c056ac0f7e37f4548e44c3e9f498