[INFO] cloning repository https://github.com/ImJeremyHe/xlrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ImJeremyHe/xlrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImJeremyHe%2Fxlrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImJeremyHe%2Fxlrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87256ada92444e2d5a947e6c1e99c633abcb6aad
[INFO] checking ImJeremyHe/xlrs against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImJeremyHe%2Fxlrs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ImJeremyHe/xlrs on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ImJeremyHe/xlrs
[INFO] finished tweaking git repo https://github.com/ImJeremyHe/xlrs
[INFO] tweaked toml for git repo https://github.com/ImJeremyHe/xlrs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ImJeremyHe/xlrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a84157e9c20f78206bd26f6061ea3b3147250c84493d551c5c1351564d332a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a84157e9c20f78206bd26f6061ea3b3147250c84493d551c5c1351564d332a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a84157e9c20f78206bd26f6061ea3b3147250c84493d551c5c1351564d332a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a84157e9c20f78206bd26f6061ea3b3147250c84493d551c5c1351564d332a0", kill_on_drop: false }`
[INFO] [stdout] 6a84157e9c20f78206bd26f6061ea3b3147250c84493d551c5c1351564d332a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 558ad4ac7fe8f186ecf76fd01d3f45ce3a49327e0cf592c982161fd5f23ce884
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "558ad4ac7fe8f186ecf76fd01d3f45ce3a49327e0cf592c982161fd5f23ce884", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking xlrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: destructuring assignments are unstable
[INFO] [stdout]   --> src/lib.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Rule::bool => _,
[INFO] [stdout]    |                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #71126 <https://github.com/rust-lang/rust/issues/71126> for more information
[INFO] [stdout]    = help: add `#![feature(destructuring_assignment)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment
[INFO] [stdout]   --> src/lib.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Rule::bool => _,
[INFO] [stdout]    |                           ^ `_` not allowed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: destructuring assignments are unstable
[INFO] [stdout]   --> src/lib.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Rule::bool => _,
[INFO] [stdout]    |                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #71126 <https://github.com/rust-lang/rust/issues/71126> for more information
[INFO] [stdout]    = help: add `#![feature(destructuring_assignment)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment
[INFO] [stdout]   --> src/lib.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Rule::bool => _,
[INFO] [stdout]    |                           ^ `_` not allowed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Parser)]
[INFO] [stdout]    |          ------ unit variant defined here
[INFO] [stdout] ...
[INFO] [stdout] 57 |         |pair: pest::iterators::Pairs<Rule>| match pair {
[INFO] [stdout]    |                                                    ---- this expression has type `Pairs<'_, Rule>`
[INFO] [stdout] 58 |             Rule::bool => _,
[INFO] [stdout]    |             ^^^^^^^^^^ expected struct `Pairs`, found enum `Rule`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Pairs<'_, Rule, >`
[INFO] [stdout]                 found enum `Rule`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xlrs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Parser)]
[INFO] [stdout]    |          ------ unit variant defined here
[INFO] [stdout] ...
[INFO] [stdout] 57 |         |pair: pest::iterators::Pairs<Rule>| match pair {
[INFO] [stdout]    |                                                    ---- this expression has type `Pairs<'_, Rule>`
[INFO] [stdout] 58 |             Rule::bool => _,
[INFO] [stdout]    |             ^^^^^^^^^^ expected struct `Pairs`, found enum `Rule`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Pairs<'_, Rule, >`
[INFO] [stdout]                 found enum `Rule`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "558ad4ac7fe8f186ecf76fd01d3f45ce3a49327e0cf592c982161fd5f23ce884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558ad4ac7fe8f186ecf76fd01d3f45ce3a49327e0cf592c982161fd5f23ce884", kill_on_drop: false }`
[INFO] [stdout] 558ad4ac7fe8f186ecf76fd01d3f45ce3a49327e0cf592c982161fd5f23ce884