[INFO] fetching crate lain 0.5.2... [INFO] testing lain-0.5.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate lain 0.5.2 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate lain 0.5.2 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate lain 0.5.2 [INFO] finished tweaking crates.io crate lain 0.5.2 [INFO] tweaked toml for crates.io crate lain 0.5.2 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 06b9c78c51bbb684d9719c7d2a8cb7707a0e095e489da1ab1f1f01b50b4b9281 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "06b9c78c51bbb684d9719c7d2a8cb7707a0e095e489da1ab1f1f01b50b4b9281", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06b9c78c51bbb684d9719c7d2a8cb7707a0e095e489da1ab1f1f01b50b4b9281", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06b9c78c51bbb684d9719c7d2a8cb7707a0e095e489da1ab1f1f01b50b4b9281", kill_on_drop: false }` [INFO] [stdout] 06b9c78c51bbb684d9719c7d2a8cb7707a0e095e489da1ab1f1f01b50b4b9281 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e2c2dca90fdf692f2216cbb811143fcdccc4b1c6065835b128f0bb1af05d9a53 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e2c2dca90fdf692f2216cbb811143fcdccc4b1c6065835b128f0bb1af05d9a53", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro-hack-impl v0.4.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling proc-macro-hack v0.4.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling field-offset v0.3.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling mashup-impl v0.1.11 [INFO] [stderr] Compiling mashup v0.1.11 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling lain_derive v0.5.2 [INFO] [stderr] Compiling lain v0.5.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 101 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mutatable.rs:327:13 [INFO] [stdout] | [INFO] [stdout] 327 | let mut constraints = constraints.and_then(|c| { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mutatable.rs:643:25 [INFO] [stdout] | [INFO] [stdout] 643 | let mut new_item = T::new_fuzzed(mutator, constraints); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/new_fuzzed.rs:777:25 [INFO] [stdout] | [INFO] [stdout] 777 | let mut per_item_max_size: Option = constraints.and_then(|c| c.max_size.as_ref().and_then(|size| Some(*size / ... [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 858 | / impl_new_fuzzed_array!( [INFO] [stdout] 859 | | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, [INFO] [stdout] 860 | | 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, [INFO] [stdout] 861 | | 51, 52, 53, 54, 55, 56, 57, 58, 59, 60 [INFO] [stdout] 862 | | ); [INFO] [stdout] | |__- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/new_fuzzed.rs:831:25 [INFO] [stdout] | [INFO] [stdout] 831 | let mut per_item_max_size: Option = constraints.and_then(|c| c.max_size.as_ref().and_then(|size| Some(*size / ... [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 858 | / impl_new_fuzzed_array!( [INFO] [stdout] 859 | | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, [INFO] [stdout] 860 | | 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, [INFO] [stdout] 861 | | 51, 52, 53, 54, 55, 56, 57, 58, 59, 60 [INFO] [stdout] 862 | | ); [INFO] [stdout] | |__- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.38s [INFO] running `Command { std: "docker" "inspect" "e2c2dca90fdf692f2216cbb811143fcdccc4b1c6065835b128f0bb1af05d9a53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2c2dca90fdf692f2216cbb811143fcdccc4b1c6065835b128f0bb1af05d9a53", kill_on_drop: false }` [INFO] [stdout] e2c2dca90fdf692f2216cbb811143fcdccc4b1c6065835b128f0bb1af05d9a53 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1258dc41fbf5668ba36a7237d10e7391bdf7faafc732ea366f574ab2e3b75b64 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1258dc41fbf5668ba36a7237d10e7391bdf7faafc732ea366f574ab2e3b75b64", kill_on_drop: false }` [INFO] [stderr] Compiling lain v0.5.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 101 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mutatable.rs:327:13 [INFO] [stdout] | [INFO] [stdout] 327 | let mut constraints = constraints.and_then(|c| { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mutatable.rs:643:25 [INFO] [stdout] | [INFO] [stdout] 643 | let mut new_item = T::new_fuzzed(mutator, constraints); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/new_fuzzed.rs:777:25 [INFO] [stdout] | [INFO] [stdout] 777 | let mut per_item_max_size: Option = constraints.and_then(|c| c.max_size.as_ref().and_then(|size| Some(*size / ... [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 858 | / impl_new_fuzzed_array!( [INFO] [stdout] 859 | | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, [INFO] [stdout] 860 | | 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, [INFO] [stdout] 861 | | 51, 52, 53, 54, 55, 56, 57, 58, 59, 60 [INFO] [stdout] 862 | | ); [INFO] [stdout] | |__- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/new_fuzzed.rs:831:25 [INFO] [stdout] | [INFO] [stdout] 831 | let mut per_item_max_size: Option = constraints.and_then(|c| c.max_size.as_ref().and_then(|size| Some(*size / ... [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 858 | / impl_new_fuzzed_array!( [INFO] [stdout] 859 | | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, [INFO] [stdout] 860 | | 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, [INFO] [stdout] 861 | | 51, 52, 53, 54, 55, 56, 57, 58, 59, 60 [INFO] [stdout] 862 | | ); [INFO] [stdout] | |__- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 101 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mutatable.rs:327:13 [INFO] [stdout] | [INFO] [stdout] 327 | let mut constraints = constraints.and_then(|c| { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mutatable.rs:643:25 [INFO] [stdout] | [INFO] [stdout] 643 | let mut new_item = T::new_fuzzed(mutator, constraints); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/new_fuzzed.rs:777:25 [INFO] [stdout] | [INFO] [stdout] 777 | let mut per_item_max_size: Option = constraints.and_then(|c| c.max_size.as_ref().and_then(|size| Some(*size / ... [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 858 | / impl_new_fuzzed_array!( [INFO] [stdout] 859 | | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, [INFO] [stdout] 860 | | 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, [INFO] [stdout] 861 | | 51, 52, 53, 54, 55, 56, 57, 58, 59, 60 [INFO] [stdout] 862 | | ); [INFO] [stdout] | |__- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/new_fuzzed.rs:831:25 [INFO] [stdout] | [INFO] [stdout] 831 | let mut per_item_max_size: Option = constraints.and_then(|c| c.max_size.as_ref().and_then(|size| Some(*size / ... [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 858 | / impl_new_fuzzed_array!( [INFO] [stdout] 859 | | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, [INFO] [stdout] 860 | | 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, [INFO] [stdout] 861 | | 51, 52, 53, 54, 55, 56, 57, 58, 59, 60 [INFO] [stdout] 862 | | ); [INFO] [stdout] | |__- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.82s [INFO] running `Command { std: "docker" "inspect" "1258dc41fbf5668ba36a7237d10e7391bdf7faafc732ea366f574ab2e3b75b64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1258dc41fbf5668ba36a7237d10e7391bdf7faafc732ea366f574ab2e3b75b64", kill_on_drop: false }` [INFO] [stdout] 1258dc41fbf5668ba36a7237d10e7391bdf7faafc732ea366f574ab2e3b75b64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] de0acf55c98059e2e6a8f16da100d260c6af2957d5bceb5e5f640fe67eae2307 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "de0acf55c98059e2e6a8f16da100d260c6af2957d5bceb5e5f640fe67eae2307", kill_on_drop: false }` [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:101:12 [INFO] [stderr] | [INFO] [stderr] 101 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/mutatable.rs:327:13 [INFO] [stderr] | [INFO] [stderr] 327 | let mut constraints = constraints.and_then(|c| { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/mutatable.rs:643:25 [INFO] [stderr] | [INFO] [stderr] 643 | let mut new_item = T::new_fuzzed(mutator, constraints); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/new_fuzzed.rs:777:25 [INFO] [stderr] | [INFO] [stderr] 777 | let mut per_item_max_size: Option = constraints.and_then(|c| c.max_size.as_ref().and_then(|size| Some(*size / ... [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 858 | / impl_new_fuzzed_array!( [INFO] [stderr] 859 | | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, [INFO] [stderr] 860 | | 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, [INFO] [stderr] 861 | | 51, 52, 53, 54, 55, 56, 57, 58, 59, 60 [INFO] [stderr] 862 | | ); [INFO] [stderr] | |__- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/new_fuzzed.rs:831:25 [INFO] [stderr] | [INFO] [stderr] 831 | let mut per_item_max_size: Option = constraints.and_then(|c| c.max_size.as_ref().and_then(|size| Some(*size / ... [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 858 | / impl_new_fuzzed_array!( [INFO] [stderr] 859 | | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, [INFO] [stderr] 860 | | 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, [INFO] [stderr] 861 | | 51, 52, 53, 54, 55, 56, 57, 58, 59, 60 [INFO] [stderr] 862 | | ); [INFO] [stderr] | |__- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:101:12 [INFO] [stderr] | [INFO] [stderr] 101 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/mutatable.rs:327:13 [INFO] [stderr] | [INFO] [stderr] 327 | let mut constraints = constraints.and_then(|c| { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/mutatable.rs:643:25 [INFO] [stderr] | [INFO] [stderr] 643 | let mut new_item = T::new_fuzzed(mutator, constraints); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/new_fuzzed.rs:777:25 [INFO] [stderr] | [INFO] [stderr] 777 | let mut per_item_max_size: Option = constraints.and_then(|c| c.max_size.as_ref().and_then(|size| Some(*size / ... [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 858 | / impl_new_fuzzed_array!( [INFO] [stderr] 859 | | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, [INFO] [stderr] 860 | | 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, [INFO] [stderr] 861 | | 51, 52, 53, 54, 55, 56, 57, 58, 59, 60 [INFO] [stderr] 862 | | ); [INFO] [stderr] | |__- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/new_fuzzed.rs:831:25 [INFO] [stderr] | [INFO] [stderr] 831 | let mut per_item_max_size: Option = constraints.and_then(|c| c.max_size.as_ref().and_then(|size| Some(*size / ... [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 858 | / impl_new_fuzzed_array!( [INFO] [stderr] 859 | | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, [INFO] [stderr] 860 | | 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, [INFO] [stderr] 861 | | 51, 52, 53, 54, 55, 56, 57, 58, 59, 60 [INFO] [stderr] 862 | | ); [INFO] [stderr] | |__- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lain-6f969cf9ea48b6e1 [INFO] [stdout] [INFO] [stderr] Doc-tests lain [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:101:12 [INFO] [stderr] | [INFO] [stderr] 101 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/driver.rs - driver::start_fuzzer (line 198) ... ok [INFO] [stdout] test src/types.rs - types::UnsafeEnum (line 28) ... ok [INFO] [stdout] test src/types.rs - types::UnsafeEnum (line 17) ... ok [INFO] [stdout] test src/lib.rs - (line 28) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "de0acf55c98059e2e6a8f16da100d260c6af2957d5bceb5e5f640fe67eae2307", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de0acf55c98059e2e6a8f16da100d260c6af2957d5bceb5e5f640fe67eae2307", kill_on_drop: false }` [INFO] [stdout] de0acf55c98059e2e6a8f16da100d260c6af2957d5bceb5e5f640fe67eae2307