[INFO] cloning repository https://github.com/minghu6/alg-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minghu6/alg-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminghu6%2Falg-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminghu6%2Falg-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1e28bdf112793c580859554c60785ebc5677484
[INFO] checking minghu6/alg-parser against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminghu6%2Falg-parser" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/minghu6/alg-parser on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/minghu6/alg-parser
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/minghu6/alg-parser
[INFO] tweaked toml for git repo https://github.com/minghu6/alg-parser written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/minghu6/alg-parser 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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unstringify v0.1.4
[INFO] [stderr]   Downloaded cute v0.3.0
[INFO] [stderr]   Downloaded m6-key-set v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7668fc7f90dd91711fe806f9c56d03b607ab91323cdc14572e59b9b07f10711b
[INFO] running `Command { std: "docker" "start" "-a" "7668fc7f90dd91711fe806f9c56d03b607ab91323cdc14572e59b9b07f10711b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7668fc7f90dd91711fe806f9c56d03b607ab91323cdc14572e59b9b07f10711b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7668fc7f90dd91711fe806f9c56d03b607ab91323cdc14572e59b9b07f10711b", kill_on_drop: false }`
[INFO] [stdout] 7668fc7f90dd91711fe806f9c56d03b607ab91323cdc14572e59b9b07f10711b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df9c69eae5f620cbc31c2285e2f081e95136dd4a0af769cd0c982c40532fadc1
[INFO] running `Command { std: "docker" "start" "-a" "df9c69eae5f620cbc31c2285e2f081e95136dd4a0af769cd0c982c40532fadc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling unstringify v0.1.4
[INFO] [stderr]     Checking cute v0.3.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking m6-key-set v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking proc-macros v0.1.0 (/opt/rustwide/workdir/proc_macros)
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking alg-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `concat_idents`: use `${concat(...)}` with the `macro_metavar_expr_concat` feature instead
[INFO] [stdout]     --> src/dsl.rs:36:31
[INFO] [stdout]      |
[INFO] [stdout] 36   |               let matcher_gen = concat_idents!($name, _m);
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/algs/gram.rs:1940:9
[INFO] [stdout]      |
[INFO] [stdout] 1940 | /         declare_terminal! {
[INFO] [stdout] 1941 | |             -: lexer :-
[INFO] [stdout] 1942 | |             mul, add, n, lparen, rparen
[INFO] [stdout] 1943 | |         };
[INFO] [stdout]      | |_________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]      = note: this warning originates in the macro `declare_terminal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `concat_idents`: use `${concat(...)}` with the `macro_metavar_expr_concat` feature instead
[INFO] [stdout]     --> src/dsl.rs:36:31
[INFO] [stdout]      |
[INFO] [stdout] 36   |               let matcher_gen = concat_idents!($name, _m);
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/algs/gram.rs:1996:9
[INFO] [stdout]      |
[INFO] [stdout] 1996 | /         declare_terminal! {
[INFO] [stdout] 1997 | |             -: lexer :-
[INFO] [stdout] 1998 | |             e, a, b
[INFO] [stdout] 1999 | |         };
[INFO] [stdout]      | |_________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `declare_terminal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `concat_idents`: use `${concat(...)}` with the `macro_metavar_expr_concat` feature instead
[INFO] [stdout]     --> src/dsl.rs:36:31
[INFO] [stdout]      |
[INFO] [stdout] 36   |               let matcher_gen = concat_idents!($name, _m);
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/algs/gram.rs:2044:9
[INFO] [stdout]      |
[INFO] [stdout] 2044 | /         declare_terminal! {
[INFO] [stdout] 2045 | |             -: lexer :-
[INFO] [stdout] 2046 | |             n, lparen, rparen, mul, add
[INFO] [stdout] 2047 | |         };
[INFO] [stdout]      | |_________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `declare_terminal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `concat_idents`: use `${concat(...)}` with the `macro_metavar_expr_concat` feature instead
[INFO] [stdout]     --> src/dsl.rs:36:31
[INFO] [stdout]      |
[INFO] [stdout] 36   |               let matcher_gen = concat_idents!($name, _m);
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/algs/gram.rs:2106:9
[INFO] [stdout]      |
[INFO] [stdout] 2106 | /         declare_terminal! {
[INFO] [stdout] 2107 | |             -: lexer :-
[INFO] [stdout] 2108 | |             assign,  mul, id
[INFO] [stdout] 2109 | |         };
[INFO] [stdout]      | |_________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `declare_terminal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/utils.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn stack_iter(&self) -> StackIter<T> {
[INFO] [stdout]     |                       ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn stack_iter(&self) -> StackIter<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/utils.rs:180:23
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn queue_iter(&self) -> QueueIter<T> {
[INFO] [stdout]     |                       ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn queue_iter(&self) -> QueueIter<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `concat_idents`: use `${concat(...)}` with the `macro_metavar_expr_concat` feature instead
[INFO] [stdout]    --> examples/parser_demo.rs:350:5
[INFO] [stdout]     |
[INFO] [stdout] 350 | /     declare_terminal! {
[INFO] [stdout] 351 | |         -: lexer :-
[INFO] [stdout] 352 | |         // comment
[INFO] [stdout] 353 | |         slash_block_comment,
[INFO] [stdout] ...   |
[INFO] [stdout] 377 | |         assign
[INFO] [stdout] 378 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `declare_terminal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `concat_idents`: use `${concat(...)}` with the `macro_metavar_expr_concat` feature instead
[INFO] [stdout]    --> examples/parser_demo.rs:540:5
[INFO] [stdout]     |
[INFO] [stdout] 540 | /     declare_terminal! {
[INFO] [stdout] 541 | |         -: lexer :-
[INFO] [stdout] 542 | |         mul, add, n, lparen, rparen
[INFO] [stdout] 543 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `declare_terminal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `concat_idents`: use `${concat(...)}` with the `macro_metavar_expr_concat` feature instead
[INFO] [stdout]    --> examples/parser_demo.rs:568:5
[INFO] [stdout]     |
[INFO] [stdout] 568 | /     declare_terminal! {
[INFO] [stdout] 569 | |         -: lexer :-
[INFO] [stdout] 570 | |         mul, add, n, lparen, rparen
[INFO] [stdout] 571 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `declare_terminal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/utils.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn stack_iter(&self) -> StackIter<T> {
[INFO] [stdout]     |                       ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn stack_iter(&self) -> StackIter<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/utils.rs:180:23
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn queue_iter(&self) -> QueueIter<T> {
[INFO] [stdout]     |                       ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn queue_iter(&self) -> QueueIter<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.28s
[INFO] running `Command { std: "docker" "inspect" "df9c69eae5f620cbc31c2285e2f081e95136dd4a0af769cd0c982c40532fadc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df9c69eae5f620cbc31c2285e2f081e95136dd4a0af769cd0c982c40532fadc1", kill_on_drop: false }`
[INFO] [stdout] df9c69eae5f620cbc31c2285e2f081e95136dd4a0af769cd0c982c40532fadc1
