[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 try#1f5783cbeb5da8b38566d718631d016891e9c912 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-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/minghu6/alg-parser on toolchain 1f5783cbeb5da8b38566d718631d016891e9c912
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "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-tc2/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" "+1f5783cbeb5da8b38566d718631d016891e9c912" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd8390bb543a917d8db3f5bf832ff9b9d842ffa43e95bea568970035c025f885
[INFO] running `Command { std: "docker" "start" "-a" "dd8390bb543a917d8db3f5bf832ff9b9d842ffa43e95bea568970035c025f885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd8390bb543a917d8db3f5bf832ff9b9d842ffa43e95bea568970035c025f885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8390bb543a917d8db3f5bf832ff9b9d842ffa43e95bea568970035c025f885", kill_on_drop: false }`
[INFO] [stdout] dd8390bb543a917d8db3f5bf832ff9b9d842ffa43e95bea568970035c025f885
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69570db89977b6fec136acc76ca848283d97714beda58d027d8e1dad6870b050
[INFO] running `Command { std: "docker" "start" "-a" "69570db89977b6fec136acc76ca848283d97714beda58d027d8e1dad6870b050", 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]    Compiling paste v1.0.15
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking cute v0.3.0
[INFO] [stderr]    Compiling unstringify v0.1.4
[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] error: cannot find macro `concat_idents` in this scope
[INFO] [stdout]     --> src/dsl.rs:36:31
[INFO] [stdout]      |
[INFO] [stdout] 36   |               let matcher_gen = concat_idents!($name, _m);
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/algs/gram.rs:2106:9
[INFO] [stdout]      |
[INFO] [stdout] 2106 | /         declare_terminal! {
[INFO] [stdout] 2107 | |             -: lexer :-
[INFO] [stdout] 2108 | |             assign,  mul, id
[INFO] [stdout] 2109 | |         };
[INFO] [stdout]      | |_________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `declare_terminal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `concat_idents` in this scope
[INFO] [stdout]     --> src/dsl.rs:36:31
[INFO] [stdout]      |
[INFO] [stdout] 36   |               let matcher_gen = concat_idents!($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 error originates in the macro `declare_terminal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `concat_idents`
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(concat_idents)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `concat_idents` in this scope
[INFO] [stdout]     --> src/dsl.rs:36:31
[INFO] [stdout]      |
[INFO] [stdout] 36   |               let matcher_gen = concat_idents!($name, _m);
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/algs/gram.rs:1996:9
[INFO] [stdout]      |
[INFO] [stdout] 1996 | /         declare_terminal! {
[INFO] [stdout] 1997 | |             -: lexer :-
[INFO] [stdout] 1998 | |             e, a, b
[INFO] [stdout] 1999 | |         };
[INFO] [stdout]      | |_________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `declare_terminal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `concat_idents` in this scope
[INFO] [stdout]     --> src/dsl.rs:36:31
[INFO] [stdout]      |
[INFO] [stdout] 36   |               let matcher_gen = concat_idents!($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: this error originates in the macro `declare_terminal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `concat_idents`
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(concat_idents)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alg-parser` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alg-parser` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "69570db89977b6fec136acc76ca848283d97714beda58d027d8e1dad6870b050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69570db89977b6fec136acc76ca848283d97714beda58d027d8e1dad6870b050", kill_on_drop: false }`
[INFO] [stdout] 69570db89977b6fec136acc76ca848283d97714beda58d027d8e1dad6870b050
