[INFO] cloning repository https://github.com/GyrosOfWar/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GyrosOfWar/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGyrosOfWar%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGyrosOfWar%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56360835dc0e7d13b0d5f03c2ff42b2d9e25e0a5
[INFO] building GyrosOfWar/rlox against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGyrosOfWar%2Frlox" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GyrosOfWar/rlox on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GyrosOfWar/rlox
[INFO] finished tweaking git repo https://github.com/GyrosOfWar/rlox
[INFO] tweaked toml for git repo https://github.com/GyrosOfWar/rlox written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/GyrosOfWar/rlox 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a190ac3c54477c7f5903f8fc5f243be95b8b99612b4f28e1634e5cce4502c698
[INFO] running `Command { std: "docker" "start" "-a" "a190ac3c54477c7f5903f8fc5f243be95b8b99612b4f28e1634e5cce4502c698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a190ac3c54477c7f5903f8fc5f243be95b8b99612b4f28e1634e5cce4502c698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a190ac3c54477c7f5903f8fc5f243be95b8b99612b4f28e1634e5cce4502c698", kill_on_drop: false }`
[INFO] [stdout] a190ac3c54477c7f5903f8fc5f243be95b8b99612b4f28e1634e5cce4502c698
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40e48c14271ae1bc4121195f829311f9b67c632bdf22ec23c354146c9bc6c598
[INFO] running `Command { std: "docker" "start" "-a" "40e48c14271ae1bc4121195f829311f9b67c632bdf22ec23c354146c9bc6c598", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0499]: cannot borrow `*self` as mutable more than once at a time
[INFO] [stdout]   --> src/parser.rs:65:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> Parser<'a> {
[INFO] [stdout]    |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 65 |         while self.matches_any(&[TokenType::EqualEqual, TokenType::BangEqual]) {
[INFO] [stdout]    |               ^^^^------------------------------------------------------------
[INFO] [stdout]    |               |
[INFO] [stdout]    |               `*self` was mutably borrowed here in the previous iteration of the loop
[INFO] [stdout]    |               argument requires that `*self` is borrowed for `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> src/parser.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> Parser<'a> {
[INFO] [stdout]    |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 65 |         while self.matches_any(&[TokenType::EqualEqual, TokenType::BangEqual]) {
[INFO] [stdout]    |               ----------------------------------------------------------------
[INFO] [stdout]    |               |
[INFO] [stdout]    |               mutable borrow occurs here
[INFO] [stdout]    |               argument requires that `*self` is borrowed for `'a`
[INFO] [stdout] 66 |             let operator = self.previous();
[INFO] [stdout]    |                            ^^^^ immutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `*self` as mutable more than once at a time
[INFO] [stdout]   --> src/parser.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> Parser<'a> {
[INFO] [stdout]    |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 65 |         while self.matches_any(&[TokenType::EqualEqual, TokenType::BangEqual]) {
[INFO] [stdout]    |               ----------------------------------------------------------------
[INFO] [stdout]    |               |
[INFO] [stdout]    |               first mutable borrow occurs here
[INFO] [stdout]    |               argument requires that `*self` is borrowed for `'a`
[INFO] [stdout] 66 |             let operator = self.previous();
[INFO] [stdout] 67 |             let right = self.comparison();
[INFO] [stdout]    |                         ^^^^ second mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0499, E0502.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlox` (bin "rlox") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "40e48c14271ae1bc4121195f829311f9b67c632bdf22ec23c354146c9bc6c598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e48c14271ae1bc4121195f829311f9b67c632bdf22ec23c354146c9bc6c598", kill_on_drop: false }`
[INFO] [stdout] 40e48c14271ae1bc4121195f829311f9b67c632bdf22ec23c354146c9bc6c598
