[INFO] fetching crate analiticcl 0.4.8... [INFO] checking analiticcl-0.4.8 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate analiticcl 0.4.8 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate analiticcl 0.4.8 [INFO] finished tweaking crates.io crate analiticcl 0.4.8 [INFO] tweaked toml for crates.io crate analiticcl 0.4.8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate analiticcl 0.4.8 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate analiticcl 0.4.8 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 796af5e9e8d674c8fb4532c5f30bee06aaa5413cdc506f9164665058b5cd27a1 [INFO] running `Command { std: "docker" "start" "-a" "796af5e9e8d674c8fb4532c5f30bee06aaa5413cdc506f9164665058b5cd27a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "796af5e9e8d674c8fb4532c5f30bee06aaa5413cdc506f9164665058b5cd27a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "796af5e9e8d674c8fb4532c5f30bee06aaa5413cdc506f9164665058b5cd27a1", kill_on_drop: false }` [INFO] [stdout] 796af5e9e8d674c8fb4532c5f30bee06aaa5413cdc506f9164665058b5cd27a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 26f85dfb2ab7e652a2769778b7fd7c8d66b335a2cf8b1f2c667c195cdeaeb271 [INFO] running `Command { std: "docker" "start" "-a" "26f85dfb2ab7e652a2769778b7fd7c8d66b335a2cf8b1f2c667c195cdeaeb271", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling anyhow v1.0.58 [INFO] [stderr] Checking ordered_iter v0.1.2 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Compiling serde_json v1.0.82 [INFO] [stderr] Checking compare v0.0.6 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking bimap v0.6.3 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Checking unsafe_unwrap v0.1.0 [INFO] [stderr] Checking binary-heap-plus v0.1.6 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking stable_bst v0.2.0 [INFO] [stderr] Checking superslice v1.0.0 [INFO] [stderr] Checking plotters-backend v0.3.4 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking dissimilar v1.0.9 [INFO] [stderr] Checking plotters-svg v0.3.2 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking simple-error v0.3.1 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking rayon-core v1.12.1 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking ordered-float v4.3.0 [INFO] [stderr] Checking plotters v0.3.2 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking ibig v0.3.6 [INFO] [stderr] Checking sesdiff v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Checking serde v1.0.217 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking rustfst v1.1.2 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking analiticcl v0.4.8 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:2246:44 [INFO] [stdout] | [INFO] [stdout] 2246 | let mut variant_text = String::from_str(m.text).expect("from str"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/anahash.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | fn iter(&self, alphabet_size: CharIndexType) -> RecurseDeletionIterator; [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 93 | fn iter(&self, alphabet_size: CharIndexType) -> RecurseDeletionIterator<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/anahash.rs:94:21 [INFO] [stdout] | [INFO] [stdout] 94 | fn iter_parents(&self, alphabet_size: CharIndexType) -> DeletionIterator; [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 94 | fn iter_parents(&self, alphabet_size: CharIndexType) -> DeletionIterator<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/anahash.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 99 | ) -> RecurseDeletionIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 99 | ) -> RecurseDeletionIterator<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/anahash.rs:192:13 [INFO] [stdout] | [INFO] [stdout] 192 | fn iter(&self, alphabet_size: CharIndexType) -> RecurseDeletionIterator { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 192 | fn iter(&self, alphabet_size: CharIndexType) -> RecurseDeletionIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/anahash.rs:207:21 [INFO] [stdout] | [INFO] [stdout] 207 | fn iter_parents(&self, alphabet_size: CharIndexType) -> DeletionIterator { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 207 | fn iter_parents(&self, alphabet_size: CharIndexType) -> DeletionIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/anahash.rs:213:9 [INFO] [stdout] | [INFO] [stdout] 213 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 216 | ) -> RecurseDeletionIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 216 | ) -> RecurseDeletionIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/iterators.rs:28:70 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn new(value: &'a AnaValue, alphabet_size: CharIndexType) -> DeletionIterator { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 28 | pub fn new(value: &'a AnaValue, alphabet_size: CharIndexType) -> DeletionIterator<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `analiticcl` (lib test) due to 1 previous error; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:2246:44 [INFO] [stdout] | [INFO] [stdout] 2246 | let mut variant_text = String::from_str(m.text).expect("from str"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/anahash.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | fn iter(&self, alphabet_size: CharIndexType) -> RecurseDeletionIterator; [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 93 | fn iter(&self, alphabet_size: CharIndexType) -> RecurseDeletionIterator<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/anahash.rs:94:21 [INFO] [stdout] | [INFO] [stdout] 94 | fn iter_parents(&self, alphabet_size: CharIndexType) -> DeletionIterator; [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 94 | fn iter_parents(&self, alphabet_size: CharIndexType) -> DeletionIterator<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/anahash.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 99 | ) -> RecurseDeletionIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 99 | ) -> RecurseDeletionIterator<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/anahash.rs:192:13 [INFO] [stdout] | [INFO] [stdout] 192 | fn iter(&self, alphabet_size: CharIndexType) -> RecurseDeletionIterator { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 192 | fn iter(&self, alphabet_size: CharIndexType) -> RecurseDeletionIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/anahash.rs:207:21 [INFO] [stdout] | [INFO] [stdout] 207 | fn iter_parents(&self, alphabet_size: CharIndexType) -> DeletionIterator { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 207 | fn iter_parents(&self, alphabet_size: CharIndexType) -> DeletionIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/anahash.rs:213:9 [INFO] [stdout] | [INFO] [stdout] 213 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 216 | ) -> RecurseDeletionIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 216 | ) -> RecurseDeletionIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/iterators.rs:28:70 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn new(value: &'a AnaValue, alphabet_size: CharIndexType) -> DeletionIterator { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 28 | pub fn new(value: &'a AnaValue, alphabet_size: CharIndexType) -> DeletionIterator<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `analiticcl` (lib) due to 1 previous error; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "26f85dfb2ab7e652a2769778b7fd7c8d66b335a2cf8b1f2c667c195cdeaeb271", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26f85dfb2ab7e652a2769778b7fd7c8d66b335a2cf8b1f2c667c195cdeaeb271", kill_on_drop: false }` [INFO] [stdout] 26f85dfb2ab7e652a2769778b7fd7c8d66b335a2cf8b1f2c667c195cdeaeb271