[INFO] fetching crate lain 0.5.5... [INFO] testing lain-0.5.5 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate lain 0.5.5 into /workspace/builds/worker-61/source [INFO] validating manifest of crates.io crate lain 0.5.5 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lain 0.5.5 [INFO] finished tweaking crates.io crate lain 0.5.5 [INFO] tweaked toml for crates.io crate lain 0.5.5 written to /workspace/builds/worker-61/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded field-offset v0.3.4 [INFO] [stderr] Downloaded lain_derive v0.5.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4c11266088d2e79d9f30c1139afb7ca2801e423fa188f016cda5e55e74858d2 [INFO] running `Command { std: "docker" "start" "-a" "e4c11266088d2e79d9f30c1139afb7ca2801e423fa188f016cda5e55e74858d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4c11266088d2e79d9f30c1139afb7ca2801e423fa188f016cda5e55e74858d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4c11266088d2e79d9f30c1139afb7ca2801e423fa188f016cda5e55e74858d2", kill_on_drop: false }` [INFO] [stdout] e4c11266088d2e79d9f30c1139afb7ca2801e423fa188f016cda5e55e74858d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e344acb59f4c2a0b22b78a9d73b53404b179301be98d77cec2a1ef7876c5f89 [INFO] running `Command { std: "docker" "start" "-a" "2e344acb59f4c2a0b22b78a9d73b53404b179301be98d77cec2a1ef7876c5f89", kill_on_drop: false }` [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling paste v1.0.6 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling field-offset v0.3.4 [INFO] [stderr] Compiling lain_derive v0.5.5 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling lain v0.5.5 (/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] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mutatable.rs:319:13 [INFO] [stdout] | [INFO] [stdout] 319 | 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:635:25 [INFO] [stdout] | [INFO] [stdout] 635 | 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 the macro `impl_new_fuzzed_array` (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 the macro `impl_new_fuzzed_array` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `all_chances_succeed` [INFO] [stdout] --> src/mutator.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | all_chances_succeed: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:102:12 [INFO] [stdout] | [INFO] [stdout] 102 | #![feature(min_const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.40s [INFO] running `Command { std: "docker" "inspect" "2e344acb59f4c2a0b22b78a9d73b53404b179301be98d77cec2a1ef7876c5f89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e344acb59f4c2a0b22b78a9d73b53404b179301be98d77cec2a1ef7876c5f89", kill_on_drop: false }` [INFO] [stdout] 2e344acb59f4c2a0b22b78a9d73b53404b179301be98d77cec2a1ef7876c5f89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d65bd46b728374ed3c0dfd7d40e1e6162d07f47b23cbed5e9d86a5eaea098380 [INFO] running `Command { std: "docker" "start" "-a" "d65bd46b728374ed3c0dfd7d40e1e6162d07f47b23cbed5e9d86a5eaea098380", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mutatable.rs:319:13 [INFO] [stdout] | [INFO] [stdout] 319 | 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:635:25 [INFO] [stdout] | [INFO] [stdout] 635 | 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 the macro `impl_new_fuzzed_array` (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 the macro `impl_new_fuzzed_array` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `all_chances_succeed` [INFO] [stdout] --> src/mutator.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | all_chances_succeed: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:102:12 [INFO] [stdout] | [INFO] [stdout] 102 | #![feature(min_const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling lain v0.5.5 (/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] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mutatable.rs:319:13 [INFO] [stdout] | [INFO] [stdout] 319 | 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:635:25 [INFO] [stdout] | [INFO] [stdout] 635 | 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 the macro `impl_new_fuzzed_array` (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 the macro `impl_new_fuzzed_array` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `all_chances_succeed` [INFO] [stdout] --> src/mutator.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | all_chances_succeed: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:102:12 [INFO] [stdout] | [INFO] [stdout] 102 | #![feature(min_const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.28s [INFO] running `Command { std: "docker" "inspect" "d65bd46b728374ed3c0dfd7d40e1e6162d07f47b23cbed5e9d86a5eaea098380", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d65bd46b728374ed3c0dfd7d40e1e6162d07f47b23cbed5e9d86a5eaea098380", kill_on_drop: false }` [INFO] [stdout] d65bd46b728374ed3c0dfd7d40e1e6162d07f47b23cbed5e9d86a5eaea098380 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b3b41d2020f54b134cfb1258ec119bf01d794957562808c169cfce2b17f47120 [INFO] running `Command { std: "docker" "start" "-a" "b3b41d2020f54b134cfb1258ec119bf01d794957562808c169cfce2b17f47120", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/mutatable.rs:319:13 [INFO] [stderr] | [INFO] [stderr] 319 | 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:635:25 [INFO] [stderr] | [INFO] [stderr] 635 | 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 the macro `impl_new_fuzzed_array` (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 the macro `impl_new_fuzzed_array` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `all_chances_succeed` [INFO] [stderr] --> src/mutator.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | all_chances_succeed: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:102:12 [INFO] [stderr] | [INFO] [stderr] 102 | #![feature(min_const_generics)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `lain` (lib) generated 7 warnings [INFO] [stderr] warning: `lain` (lib test) generated 7 warnings (7 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.40s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lain-8fa248b2e75c0592) [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 lain [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] = help: consider using `min_specialization` instead, which is more stable and complete [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) - compile fail ... ok [INFO] [stdout] test src/types.rs - types::UnsafeEnum (line 28) - compile fail ... 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; finished in 7.48s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b3b41d2020f54b134cfb1258ec119bf01d794957562808c169cfce2b17f47120", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3b41d2020f54b134cfb1258ec119bf01d794957562808c169cfce2b17f47120", kill_on_drop: false }` [INFO] [stdout] b3b41d2020f54b134cfb1258ec119bf01d794957562808c169cfce2b17f47120