[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] checking MinkowskiMetric/like_rust against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinkowskiMetric%2Flike_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MinkowskiMetric/like_rust on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "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-4-tc1/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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-ucd v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-age v0.9.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77a3b6838e7a9c96cede81add593396e23a24f8b0c7615ef5c9c39a8f421cb01
[INFO] running `Command { std: "docker" "start" "-a" "77a3b6838e7a9c96cede81add593396e23a24f8b0c7615ef5c9c39a8f421cb01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77a3b6838e7a9c96cede81add593396e23a24f8b0c7615ef5c9c39a8f421cb01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a3b6838e7a9c96cede81add593396e23a24f8b0c7615ef5c9c39a8f421cb01", kill_on_drop: false }`
[INFO] [stdout] 77a3b6838e7a9c96cede81add593396e23a24f8b0c7615ef5c9c39a8f421cb01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76cb16e9e567c062657f1ec880ad01d4f81ac0316adf54a513f1eaa9200894b5
[INFO] running `Command { std: "docker" "start" "-a" "76cb16e9e567c062657f1ec880ad01d4f81ac0316adf54a513f1eaa9200894b5", kill_on_drop: false }`
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking unic-char-basics v0.9.0
[INFO] [stderr]     Checking unic-idna-punycode v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-hangul v0.9.0
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking unic-ucd-ident v0.9.0
[INFO] [stderr]     Checking unic-idna-mapping v0.9.0
[INFO] [stderr]     Checking unic-ucd-case v0.9.0
[INFO] [stderr]     Checking unic-ucd-name v0.9.0
[INFO] [stderr]     Checking unic-emoji-char v0.9.0
[INFO] [stderr]     Checking unic-ucd-common v0.9.0
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[INFO] [stderr]     Checking unic-ucd-age v0.9.0
[INFO] [stderr]     Checking unic-ucd-name_aliases v0.9.0
[INFO] [stderr]     Checking unic-char v0.9.0
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[INFO] [stderr]     Checking unic-bidi v0.9.0
[INFO] [stderr]     Checking unic-ucd-normal v0.9.0
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking unic-normal v0.9.0
[INFO] [stderr]     Checking unic-idna v0.9.0
[INFO] [stderr]     Checking unic-ucd v0.9.0
[INFO] [stderr]     Checking unic v0.9.0
[INFO] [stderr]     Checking 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] [stdout] warning: 2 warnings emitted
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.16s
[INFO] running `Command { std: "docker" "inspect" "76cb16e9e567c062657f1ec880ad01d4f81ac0316adf54a513f1eaa9200894b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76cb16e9e567c062657f1ec880ad01d4f81ac0316adf54a513f1eaa9200894b5", kill_on_drop: false }`
[INFO] [stdout] 76cb16e9e567c062657f1ec880ad01d4f81ac0316adf54a513f1eaa9200894b5