[INFO] cloning repository https://github.com/erumachi/col-interpreter-from-scratch [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erumachi/col-interpreter-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferumachi%2Fcol-interpreter-from-scratch", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferumachi%2Fcol-interpreter-from-scratch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d6693f890d78b3e2416b07892b457040d50fc3ee [INFO] building erumachi/col-interpreter-from-scratch 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%2Ferumachi%2Fcol-interpreter-from-scratch" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/erumachi/col-interpreter-from-scratch 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/erumachi/col-interpreter-from-scratch [INFO] finished tweaking git repo https://github.com/erumachi/col-interpreter-from-scratch [INFO] tweaked toml for git repo https://github.com/erumachi/col-interpreter-from-scratch written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/erumachi/col-interpreter-from-scratch 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e43462500fb1185d47b354a4ae5b14dad1dd1ad6b7d128b3ebddd5dbca169bed [INFO] running `Command { std: "docker" "start" "-a" "e43462500fb1185d47b354a4ae5b14dad1dd1ad6b7d128b3ebddd5dbca169bed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e43462500fb1185d47b354a4ae5b14dad1dd1ad6b7d128b3ebddd5dbca169bed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e43462500fb1185d47b354a4ae5b14dad1dd1ad6b7d128b3ebddd5dbca169bed", kill_on_drop: false }` [INFO] [stdout] e43462500fb1185d47b354a4ae5b14dad1dd1ad6b7d128b3ebddd5dbca169bed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1edb17bba3e40573ada9bee0ee7ef4e1ea0ae327c7c23ce49d9bc056cebd840c [INFO] running `Command { std: "docker" "start" "-a" "1edb17bba3e40573ada9bee0ee7ef4e1ea0ae327c7c23ce49d9bc056cebd840c", kill_on_drop: false }` [INFO] [stderr] Compiling col-interpreter-from-scratch v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `swap` and `remove` are never used [INFO] [stdout] --> src/stack.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Stack { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn swap(&mut self, a: usize, b: usize) -> Result<(), String> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn remove(&mut self, idx: usize) -> Result<(), String> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `length`, `swap`, and `remove` are never used [INFO] [stdout] --> src/stack.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Stack { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn swap(&mut self, a: usize, b: usize) -> Result<(), String> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn remove(&mut self, idx: usize) -> Result<(), String> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.80s [INFO] running `Command { std: "docker" "inspect" "1edb17bba3e40573ada9bee0ee7ef4e1ea0ae327c7c23ce49d9bc056cebd840c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1edb17bba3e40573ada9bee0ee7ef4e1ea0ae327c7c23ce49d9bc056cebd840c", kill_on_drop: false }` [INFO] [stdout] 1edb17bba3e40573ada9bee0ee7ef4e1ea0ae327c7c23ce49d9bc056cebd840c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 577e2f12dabd31e040057b4f8f0272db946e5f025031011ddcef6573840bf150 [INFO] running `Command { std: "docker" "start" "-a" "577e2f12dabd31e040057b4f8f0272db946e5f025031011ddcef6573840bf150", kill_on_drop: false }` [INFO] [stderr] Compiling col-interpreter-from-scratch v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `length`, `swap`, and `remove` are never used [INFO] [stdout] --> src/stack.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Stack { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn swap(&mut self, a: usize, b: usize) -> Result<(), String> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn remove(&mut self, idx: usize) -> Result<(), String> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `swap` and `remove` are never used [INFO] [stdout] --> src/stack.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Stack { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn swap(&mut self, a: usize, b: usize) -> Result<(), String> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn remove(&mut self, idx: usize) -> Result<(), String> { [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 1.10s [INFO] running `Command { std: "docker" "inspect" "577e2f12dabd31e040057b4f8f0272db946e5f025031011ddcef6573840bf150", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "577e2f12dabd31e040057b4f8f0272db946e5f025031011ddcef6573840bf150", kill_on_drop: false }` [INFO] [stdout] 577e2f12dabd31e040057b4f8f0272db946e5f025031011ddcef6573840bf150