[INFO] cloning repository https://github.com/sqrtox/kyotax
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sqrtox/kyotax" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsqrtox%2Fkyotax", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsqrtox%2Fkyotax'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] caa53a47e9625f2fd3ce6ae686f545c360f337bd
[INFO] building sqrtox/kyotax against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsqrtox%2Fkyotax" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sqrtox/kyotax on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sqrtox/kyotax
[INFO] finished tweaking git repo https://github.com/sqrtox/kyotax
[INFO] tweaked toml for git repo https://github.com/sqrtox/kyotax written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sqrtox/kyotax 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb1993508ef9d1349f0bb30cc4daa488195230e16ad2bb0c8e02803879e7c787
[INFO] running `Command { std: "docker" "start" "-a" "bb1993508ef9d1349f0bb30cc4daa488195230e16ad2bb0c8e02803879e7c787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb1993508ef9d1349f0bb30cc4daa488195230e16ad2bb0c8e02803879e7c787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1993508ef9d1349f0bb30cc4daa488195230e16ad2bb0c8e02803879e7c787", kill_on_drop: false }`
[INFO] [stdout] bb1993508ef9d1349f0bb30cc4daa488195230e16ad2bb0c8e02803879e7c787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b676a82a0159208356ee5a7274bd0178d2d063197f00ba12948e7f28ac317d8
[INFO] running `Command { std: "docker" "start" "-a" "8b676a82a0159208356ee5a7274bd0178d2d063197f00ba12948e7f28ac317d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling kyotax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `chr` and `pos` are never read
[INFO] [stdout]  --> src/error.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     InvalidCharacter { chr: char, pos: usize },
[INFO] [stdout]   |     ----------------   ^^^        ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_nop` is never used
[INFO] [stdout]   --> src/token.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn is_nop(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "8b676a82a0159208356ee5a7274bd0178d2d063197f00ba12948e7f28ac317d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b676a82a0159208356ee5a7274bd0178d2d063197f00ba12948e7f28ac317d8", kill_on_drop: false }`
[INFO] [stdout] 8b676a82a0159208356ee5a7274bd0178d2d063197f00ba12948e7f28ac317d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f9302ea93c1e4bf2af7740a4c831e98c2f238ca3af7c44f434cbcbf89197893
[INFO] running `Command { std: "docker" "start" "-a" "9f9302ea93c1e4bf2af7740a4c831e98c2f238ca3af7c44f434cbcbf89197893", kill_on_drop: false }`
[INFO] [stderr]    Compiling kyotax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `chr` and `pos` are never read
[INFO] [stdout]  --> src/error.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     InvalidCharacter { chr: char, pos: usize },
[INFO] [stdout]   |     ----------------   ^^^        ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_nop` is never used
[INFO] [stdout]   --> src/token.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn is_nop(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "9f9302ea93c1e4bf2af7740a4c831e98c2f238ca3af7c44f434cbcbf89197893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f9302ea93c1e4bf2af7740a4c831e98c2f238ca3af7c44f434cbcbf89197893", kill_on_drop: false }`
[INFO] [stdout] 9f9302ea93c1e4bf2af7740a4c831e98c2f238ca3af7c44f434cbcbf89197893