[INFO] fetching crate ascesis 0.0.6... [INFO] checking ascesis-0.0.6 against try#21cad1f647cfd05a566220f933edd88a53e50bcf for pr-129249-1 [INFO] extracting crate ascesis 0.0.6 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate ascesis 0.0.6 [INFO] finished tweaking crates.io crate ascesis 0.0.6 [INFO] tweaked toml for crates.io crate ascesis 0.0.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ascesis 0.0.6 on toolchain 21cad1f647cfd05a566220f933edd88a53e50bcf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate ascesis 0.0.6 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" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 20e814eaf93998a3a948c1690ddc74f221cdb33690e8b58442f52ae7b8d75791 [INFO] running `Command { std: "docker" "start" "20e814eaf93998a3a948c1690ddc74f221cdb33690e8b58442f52ae7b8d75791", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "20e814eaf93998a3a948c1690ddc74f221cdb33690e8b58442f52ae7b8d75791" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20e814eaf93998a3a948c1690ddc74f221cdb33690e8b58442f52ae7b8d75791", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "20e814eaf93998a3a948c1690ddc74f221cdb33690e8b58442f52ae7b8d75791" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Checking varisat-formula v0.2.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Checking hashbrown v0.3.1 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking siphasher v0.3.2 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking leb128 v0.2.4 [INFO] [stderr] Checking phf_shared v0.8.0 [INFO] [stderr] Compiling beef v0.4.2 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking vec_mut_scan v0.1.0 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking bit-vec v0.6.1 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking enquote v1.0.3 [INFO] [stderr] Checking fern v0.6.0 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Compiling sha2 v0.8.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling backtrace v0.3.46 [INFO] [stderr] Compiling lalrpop-util v0.18.1 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling partial_ref_derive v0.3.1 [INFO] [stderr] Compiling varisat-internal-macros v0.2.1 [INFO] [stderr] Checking partial_ref v0.3.1 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling logos-derive v0.11.0-rc5 [INFO] [stderr] Checking failure v0.1.7 [INFO] [stderr] Checking varisat-dimacs v0.2.1 [INFO] [stderr] Checking varisat-internal-proof v0.2.1 [INFO] [stderr] Compiling varisat v0.2.1 [INFO] [stderr] Checking logos v0.11.0-rc5 [INFO] [stderr] Checking varisat-checker v0.2.1 [INFO] [stderr] Checking string_cache v0.8.0 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.18.1 [INFO] [stderr] Checking aces v0.0.13 [INFO] [stderr] Compiling ascesis v0.0.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `str_strip` has been stable since 1.45.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(str_strip)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `str_strip` has been stable since 1.45.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(str_strip)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `min_through` is never read [INFO] [stdout] --> src/sentence.rs:146:5 [INFO] [stdout] | [INFO] [stdout] 143 | pub struct RootedGenerator<'b, 'g: 'b> { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 146 | min_through: HashMap>, // nonterminal -> shortest length [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RootedGenerator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/content.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct AscesisFormat { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 10 | path: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AscesisFormat` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `PropValue` [INFO] [stdout] --> /opt/rustwide/target/debug/build/ascesis-84adccabab42565c/out/ascesis_parser.rs:98822:5 [INFO] [stdout] | [INFO] [stdout] 98822 | __0.into() [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: you can instead use the fully-qualified path `::into(val) to avoid triggering this lint [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `min_through` is never read [INFO] [stdout] --> src/sentence.rs:146:5 [INFO] [stdout] | [INFO] [stdout] 143 | pub struct RootedGenerator<'b, 'g: 'b> { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 146 | min_through: HashMap>, // nonterminal -> shortest length [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RootedGenerator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/content.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct AscesisFormat { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 10 | path: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AscesisFormat` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `PropValue` [INFO] [stdout] --> /opt/rustwide/target/debug/build/ascesis-84adccabab42565c/out/ascesis_parser.rs:98822:5 [INFO] [stdout] | [INFO] [stdout] 98822 | __0.into() [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: you can instead use the fully-qualified path `::into(val) to avoid triggering this lint [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/grammar.rs:159:22 [INFO] [stdout] | [INFO] [stdout] 159 | pub fn terminals(&self) -> std::iter::Take> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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] 159 | pub fn terminals(&self) -> std::iter::Take> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/grammar.rs:220:17 [INFO] [stdout] | [INFO] [stdout] 220 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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] 220 | pub fn iter(&self) -> std::slice::Iter<'_, Production> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sentence.rs:136:34 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn rooted>(&self, axiom: S) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetimes are hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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] 136 | pub fn rooted>(&self, axiom: S) -> Result, String> { [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/grammar.rs:159:22 [INFO] [stdout] | [INFO] [stdout] 159 | pub fn terminals(&self) -> std::iter::Take> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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] 159 | pub fn terminals(&self) -> std::iter::Take> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/grammar.rs:220:17 [INFO] [stdout] | [INFO] [stdout] 220 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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] 220 | pub fn iter(&self) -> std::slice::Iter<'_, Production> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sentence.rs:136:34 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn rooted>(&self, axiom: S) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetimes are hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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] 136 | pub fn rooted>(&self, axiom: S) -> Result, String> { [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ascesis` (lib test) due to 1 previous error; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `ascesis` (lib) due to 1 previous error; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "20e814eaf93998a3a948c1690ddc74f221cdb33690e8b58442f52ae7b8d75791", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20e814eaf93998a3a948c1690ddc74f221cdb33690e8b58442f52ae7b8d75791", kill_on_drop: false }` [INFO] [stdout] 20e814eaf93998a3a948c1690ddc74f221cdb33690e8b58442f52ae7b8d75791