[INFO] fetching crate fscmp 0.2.16... [INFO] checking fscmp-0.2.16 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] extracting crate fscmp 0.2.16 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate fscmp 0.2.16 [INFO] finished tweaking crates.io crate fscmp 0.2.16 [INFO] tweaked toml for crates.io crate fscmp 0.2.16 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fscmp 0.2.16 on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate fscmp 0.2.16 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c9d0d1fc79b3770535ac2fb2c2216b2302e893a8282ff8705c70dfa32d82b91d [INFO] running `Command { std: "docker" "start" "-a" "c9d0d1fc79b3770535ac2fb2c2216b2302e893a8282ff8705c70dfa32d82b91d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c9d0d1fc79b3770535ac2fb2c2216b2302e893a8282ff8705c70dfa32d82b91d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9d0d1fc79b3770535ac2fb2c2216b2302e893a8282ff8705c70dfa32d82b91d", kill_on_drop: false }` [INFO] [stdout] c9d0d1fc79b3770535ac2fb2c2216b2302e893a8282ff8705c70dfa32d82b91d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 58b3ea007aa5153f5f9a6d4affeca91ac1ccb756a36abf2ad0158d52d8f4f491 [INFO] running `Command { std: "docker" "start" "-a" "58b3ea007aa5153f5f9a6d4affeca91ac1ccb756a36abf2ad0158d52d8f4f491", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling nix v0.16.0 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Compiling structopt-derive v0.3.1 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking openat v0.1.18 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking backtrace v0.3.37 [INFO] [stderr] Checking simplelog v0.7.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking structopt v0.3.1 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking fscmp v0.2.16 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/cmp/mod.rs:313:22 [INFO] [stdout] | [INFO] [stdout] 313 | .map(|i| ((i * leap)..min(size, i * leap + BUF_SIZE_U64))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 313 - .map(|i| ((i * leap)..min(size, i * leap + BUF_SIZE_U64))) [INFO] [stdout] 313 + .map(|i| (i * leap)..min(size, i * leap + BUF_SIZE_U64) ) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/cmp/mod.rs:313:22 [INFO] [stdout] | [INFO] [stdout] 313 | .map(|i| ((i * leap)..min(size, i * leap + BUF_SIZE_U64))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 313 - .map(|i| ((i * leap)..min(size, i * leap + BUF_SIZE_U64))) [INFO] [stdout] 313 + .map(|i| (i * leap)..min(size, i * leap + BUF_SIZE_U64) ) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 262144]` does not permit being left uninitialized [INFO] [stdout] --> src/cmp/mod.rs:323:58 [INFO] [stdout] | [INFO] [stdout] 323 | let mut buffer1 = AlignedBuffer(unsafe { std::mem::MaybeUninit::uninit().assume_init() }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 262144]` does not permit being left uninitialized [INFO] [stdout] --> src/cmp/mod.rs:324:58 [INFO] [stdout] | [INFO] [stdout] 324 | let mut buffer2 = AlignedBuffer(unsafe { std::mem::MaybeUninit::uninit().assume_init() }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 262144]` does not permit being left uninitialized [INFO] [stdout] --> src/cmp/mod.rs:323:58 [INFO] [stdout] | [INFO] [stdout] 323 | let mut buffer1 = AlignedBuffer(unsafe { std::mem::MaybeUninit::uninit().assume_init() }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 262144]` does not permit being left uninitialized [INFO] [stdout] --> src/cmp/mod.rs:324:58 [INFO] [stdout] | [INFO] [stdout] 324 | let mut buffer2 = AlignedBuffer(unsafe { std::mem::MaybeUninit::uninit().assume_init() }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.39s [INFO] running `Command { std: "docker" "inspect" "58b3ea007aa5153f5f9a6d4affeca91ac1ccb756a36abf2ad0158d52d8f4f491", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58b3ea007aa5153f5f9a6d4affeca91ac1ccb756a36abf2ad0158d52d8f4f491", kill_on_drop: false }` [INFO] [stdout] 58b3ea007aa5153f5f9a6d4affeca91ac1ccb756a36abf2ad0158d52d8f4f491