[INFO] cloning repository https://github.com/MinkowskiMetric/like_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MinkowskiMetric/like_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinkowskiMetric%2Flike_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinkowskiMetric%2Flike_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 044d8ed8a9ce7d7fde575baf9bd63b1d0149bdda
[INFO] building MinkowskiMetric/like_rust against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinkowskiMetric%2Flike_rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MinkowskiMetric/like_rust on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MinkowskiMetric/like_rust
[INFO] finished tweaking git repo https://github.com/MinkowskiMetric/like_rust
[INFO] tweaked toml for git repo https://github.com/MinkowskiMetric/like_rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MinkowskiMetric/like_rust 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2129b89752d3e026d4a569df9def1adb86c474893f5cbb095d055b226da44977
[INFO] running `Command { std: "docker" "start" "-a" "2129b89752d3e026d4a569df9def1adb86c474893f5cbb095d055b226da44977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2129b89752d3e026d4a569df9def1adb86c474893f5cbb095d055b226da44977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2129b89752d3e026d4a569df9def1adb86c474893f5cbb095d055b226da44977", kill_on_drop: false }`
[INFO] [stdout] 2129b89752d3e026d4a569df9def1adb86c474893f5cbb095d055b226da44977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca561777e6c72f8e74f54c0b073b1d0e8f97d1d515eac4144285ac15f3d44a60
[INFO] running `Command { std: "docker" "start" "-a" "ca561777e6c72f8e74f54c0b073b1d0e8f97d1d515eac4144285ac15f3d44a60", kill_on_drop: false }`
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling unic-idna-punycode v0.9.0
[INFO] [stderr]    Compiling unic-char-basics v0.9.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling unic-ucd-hangul v0.9.0
[INFO] [stderr]    Compiling unic-ucd-category v0.9.0
[INFO] [stderr]    Compiling unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling unic-ucd-case v0.9.0
[INFO] [stderr]    Compiling unic-ucd-age v0.9.0
[INFO] [stderr]    Compiling unic-ucd-common v0.9.0
[INFO] [stderr]    Compiling unic-ucd-name_aliases v0.9.0
[INFO] [stderr]    Compiling unic-ucd-ident v0.9.0
[INFO] [stderr]    Compiling unic-ucd-name v0.9.0
[INFO] [stderr]    Compiling unic-ucd-block v0.9.0
[INFO] [stderr]    Compiling unic-idna-mapping v0.9.0
[INFO] [stderr]    Compiling unic-emoji-char v0.9.0
[INFO] [stderr]    Compiling unic-char v0.9.0
[INFO] [stderr]    Compiling unic-emoji v0.9.0
[INFO] [stderr]    Compiling unic-bidi v0.9.0
[INFO] [stderr]    Compiling unic-ucd-normal v0.9.0
[INFO] [stderr]    Compiling unic-segment v0.9.0
[INFO] [stderr]    Compiling unic-normal v0.9.0
[INFO] [stderr]    Compiling unic-idna v0.9.0
[INFO] [stderr]    Compiling unic-ucd v0.9.0
[INFO] [stderr]    Compiling unic v0.9.0
[INFO] [stderr]    Compiling like_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `skip_to_end_delimiter` is never used
[INFO] [stdout]  --> src/lexer/delimiter_checker.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) trait DelimitedTokenReader: TokenReader {
[INFO] [stdout]   |                  -------------------- method in this trait
[INFO] [stdout] 6 |     fn skip_to_end_delimiter(&mut self, ty: DelimiterType);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `consume_to_semicolon` is never used
[INFO] [stdout]   --> src/lexer/token_reader.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) trait TokenReader {
[INFO] [stdout]    |                  ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn consume_to_semicolon(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.15s
[INFO] running `Command { std: "docker" "inspect" "ca561777e6c72f8e74f54c0b073b1d0e8f97d1d515eac4144285ac15f3d44a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca561777e6c72f8e74f54c0b073b1d0e8f97d1d515eac4144285ac15f3d44a60", kill_on_drop: false }`
[INFO] [stdout] ca561777e6c72f8e74f54c0b073b1d0e8f97d1d515eac4144285ac15f3d44a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c6a86b24269d66395d7509749622f5ff3be1368f45daa6c6bd58565b0cfbf3b
[INFO] running `Command { std: "docker" "start" "-a" "7c6a86b24269d66395d7509749622f5ff3be1368f45daa6c6bd58565b0cfbf3b", kill_on_drop: false }`
[INFO] [stdout] warning: method `skip_to_end_delimiter` is never used
[INFO] [stdout]  --> src/lexer/delimiter_checker.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) trait DelimitedTokenReader: TokenReader {
[INFO] [stdout]   |                  -------------------- method in this trait
[INFO] [stdout] 6 |     fn skip_to_end_delimiter(&mut self, ty: DelimiterType);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling like_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `consume_to_semicolon` is never used
[INFO] [stdout]   --> src/lexer/token_reader.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) trait TokenReader {
[INFO] [stdout]    |                  ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn consume_to_semicolon(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `consume_to_semicolon` is never used
[INFO] [stdout]   --> src/lexer/token_reader.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) trait TokenReader {
[INFO] [stdout]    |                  ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn consume_to_semicolon(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "7c6a86b24269d66395d7509749622f5ff3be1368f45daa6c6bd58565b0cfbf3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6a86b24269d66395d7509749622f5ff3be1368f45daa6c6bd58565b0cfbf3b", kill_on_drop: false }`
[INFO] [stdout] 7c6a86b24269d66395d7509749622f5ff3be1368f45daa6c6bd58565b0cfbf3b