[INFO] fetching crate nb2nl 0.2.0...
[INFO] fixing nb2nl-0.2.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate nb2nl 0.2.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nb2nl 0.2.0 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded siphasher v0.3.5
[INFO] [stderr]   Downloaded lalrpop-util v0.19.6
[INFO] [stderr]   Downloaded ordslice v0.3.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded rustversion v1.0.5
[INFO] [stderr]   Downloaded serde v1.0.127
[INFO] [stderr]   Downloaded serde_derive v1.0.127
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded serde_json v1.0.66
[INFO] [stderr]   Downloaded itertools v0.10.1
[INFO] [stderr]   Downloaded lalrpop v0.19.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 91099f7c4edb7a693d930c8d9f2f9bb4a930cff5aa26321eb7daf6479a56259b
[INFO] running `Command { std: "docker" "start" "91099f7c4edb7a693d930c8d9f2f9bb4a930cff5aa26321eb7daf6479a56259b", 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" "91099f7c4edb7a693d930c8d9f2f9bb4a930cff5aa26321eb7daf6479a56259b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91099f7c4edb7a693d930c8d9f2f9bb4a930cff5aa26321eb7daf6479a56259b", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "91099f7c4edb7a693d930c8d9f2f9bb4a930cff5aa26321eb7daf6479a56259b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking ordslice v0.3.0
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[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)]` (part of `#[warn(unused)]`) 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<StorageLocation, ErrorKind<'b>> {
[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<StorageLocation<'_>, 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<Program, ErrorKind<'b>> {
[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<Program<'_>, 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<Vec<Item>, ParseError<usize, Token, AstError>> {
[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<Vec<Item>, ParseError<usize, Token<'_>, 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)]` (part of `#[warn(unused)]`) 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<StorageLocation, ErrorKind<'b>> {
[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<StorageLocation<'_>, 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<Program, ErrorKind<'b>> {
[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<Program<'_>, 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<Vec<Item>, ParseError<usize, Token, AstError>> {
[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<Vec<Item>, ParseError<usize, Token<'_>, AstError>> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[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 8`
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "91099f7c4edb7a693d930c8d9f2f9bb4a930cff5aa26321eb7daf6479a56259b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91099f7c4edb7a693d930c8d9f2f9bb4a930cff5aa26321eb7daf6479a56259b", kill_on_drop: false }`
[INFO] [stdout] 91099f7c4edb7a693d930c8d9f2f9bb4a930cff5aa26321eb7daf6479a56259b
