[INFO] fetching crate nb2nl 0.2.0... [INFO] checking nb2nl-0.2.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate nb2nl 0.2.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate nb2nl 0.2.0 [INFO] finished tweaking crates.io crate nb2nl 0.2.0 [INFO] tweaked toml for crates.io crate nb2nl 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate nb2nl 0.2.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate nb2nl 0.2.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d456aab9517c99d8ff619d5c8f6847c4f00b06b92b9914644c23ae29fb59db5 [INFO] running `Command { std: "docker" "start" "-a" "1d456aab9517c99d8ff619d5c8f6847c4f00b06b92b9914644c23ae29fb59db5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d456aab9517c99d8ff619d5c8f6847c4f00b06b92b9914644c23ae29fb59db5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d456aab9517c99d8ff619d5c8f6847c4f00b06b92b9914644c23ae29fb59db5", kill_on_drop: false }` [INFO] [stdout] 1d456aab9517c99d8ff619d5c8f6847c4f00b06b92b9914644c23ae29fb59db5 [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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4883b4e9173869924d4cc5b89b03484b29ab9e473e8c80e40e7169145e6f8fa [INFO] running `Command { std: "docker" "start" "-a" "d4883b4e9173869924d4cc5b89b03484b29ab9e473e8c80e40e7169145e6f8fa", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling pico-args v0.4.2 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling string_cache v0.8.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking ordslice v0.3.0 [INFO] [stderr] Checking xml-rs v0.8.4 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Checking lalrpop-util v0.19.6 [INFO] [stderr] Compiling lalrpop v0.19.6 [INFO] [stderr] Compiling nb2nl v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `func` is never read [INFO] [stdout] --> src/nl2xml/mod.rs:58:25 [INFO] [stdout] | [INFO] [stdout] 58 | FuncHeaderHadApos { func: Ident, name: Ident }, [INFO] [stdout] | ----------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `func` is never read [INFO] [stdout] --> src/nl2xml/mod.rs:78:27 [INFO] [stdout] | [INFO] [stdout] 78 | ReportInNonReporter { func: Ident, report_span: Span }, [INFO] [stdout] | ------------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `func` is never read [INFO] [stdout] --> src/nl2xml/mod.rs:79:23 [INFO] [stdout] | [INFO] [stdout] 79 | UnreachableCode { func: Ident, unreachable_span: Span }, [INFO] [stdout] | --------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nl2xml/mod.rs:299:21 [INFO] [stdout] | [INFO] [stdout] 299 | fn find_var<'b>(&self, scopes: &[LinkedHashMap<&str, &Ident>], ident: &Ident) -> Result> { [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] 299 | fn find_var<'b>(&self, scopes: &[LinkedHashMap<&str, &Ident>], ident: &Ident) -> Result, ErrorKind<'b>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nl2xml/mod.rs:761:31 [INFO] [stdout] | [INFO] [stdout] 761 | fn init_global<'b>(items: &[Item]) -> Result> { [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] 761 | fn init_global<'b>(items: &[Item]) -> Result, ErrorKind<'b>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nl2xml/ast.rs:268:23 [INFO] [stdout] | [INFO] [stdout] 268 | pub fn parse(program: &str) -> Result, ParseError> { [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] 268 | pub fn parse(program: &str) -> Result, ParseError, AstError>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `func` is never read [INFO] [stdout] --> src/nl2xml/mod.rs:58:25 [INFO] [stdout] | [INFO] [stdout] 58 | FuncHeaderHadApos { func: Ident, name: Ident }, [INFO] [stdout] | ----------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `func` is never read [INFO] [stdout] --> src/nl2xml/mod.rs:78:27 [INFO] [stdout] | [INFO] [stdout] 78 | ReportInNonReporter { func: Ident, report_span: Span }, [INFO] [stdout] | ------------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `func` is never read [INFO] [stdout] --> src/nl2xml/mod.rs:79:23 [INFO] [stdout] | [INFO] [stdout] 79 | UnreachableCode { func: Ident, unreachable_span: Span }, [INFO] [stdout] | --------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nl2xml/mod.rs:299:21 [INFO] [stdout] | [INFO] [stdout] 299 | fn find_var<'b>(&self, scopes: &[LinkedHashMap<&str, &Ident>], ident: &Ident) -> Result> { [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] 299 | fn find_var<'b>(&self, scopes: &[LinkedHashMap<&str, &Ident>], ident: &Ident) -> Result, ErrorKind<'b>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nl2xml/mod.rs:761:31 [INFO] [stdout] | [INFO] [stdout] 761 | fn init_global<'b>(items: &[Item]) -> Result> { [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] 761 | fn init_global<'b>(items: &[Item]) -> Result, ErrorKind<'b>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nl2xml/ast.rs:268:23 [INFO] [stdout] | [INFO] [stdout] 268 | pub fn parse(program: &str) -> Result, ParseError> { [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] 268 | pub fn parse(program: &str) -> Result, ParseError, AstError>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.13s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.6 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "d4883b4e9173869924d4cc5b89b03484b29ab9e473e8c80e40e7169145e6f8fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4883b4e9173869924d4cc5b89b03484b29ab9e473e8c80e40e7169145e6f8fa", kill_on_drop: false }` [INFO] [stdout] d4883b4e9173869924d4cc5b89b03484b29ab9e473e8c80e40e7169145e6f8fa