[INFO] cloning repository https://github.com/mrandri19/isol [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrandri19/isol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrandri19%2Fisol", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrandri19%2Fisol'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 85a4ac80c0758ef78afbd692a9ab57865a6e09ab [INFO] building mrandri19/isol 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%2Fmrandri19%2Fisol" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mrandri19/isol 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/mrandri19/isol [INFO] finished tweaking git repo https://github.com/mrandri19/isol [INFO] tweaked toml for git repo https://github.com/mrandri19/isol written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mrandri19/isol 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5ff72162d40f6924d66ee9929a700d721121057ff509a96d917e12192560a8c1 [INFO] running `Command { std: "docker" "start" "-a" "5ff72162d40f6924d66ee9929a700d721121057ff509a96d917e12192560a8c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ff72162d40f6924d66ee9929a700d721121057ff509a96d917e12192560a8c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ff72162d40f6924d66ee9929a700d721121057ff509a96d917e12192560a8c1", kill_on_drop: false }` [INFO] [stdout] 5ff72162d40f6924d66ee9929a700d721121057ff509a96d917e12192560a8c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 593da198e925106575bb1dac9696cf1afb323fed616b9567effd6cd9c2b24b3b [INFO] running `Command { std: "docker" "start" "-a" "593da198e925106575bb1dac9696cf1afb323fed616b9567effd6cd9c2b24b3b", kill_on_drop: false }` [INFO] [stderr] Compiling isol v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Value` is never constructed [INFO] [stdout] --> src/lib.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Value { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TxState` is never used [INFO] [stdout] --> src/lib.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 23 | enum TxState { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IsolationLevel` is never used [INFO] [stdout] --> src/lib.rs:31:6 [INFO] [stdout] | [INFO] [stdout] 31 | enum IsolationLevel { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tx` is never constructed [INFO] [stdout] --> src/lib.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct Tx { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Database` is never constructed [INFO] [stdout] --> src/lib.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | struct Database { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/lib.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 75 | impl Database { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 76 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | fn with_isolation_level(mut self, isolation_level: IsolationLevel) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | fn txs_in_progress(&self) -> BTreeSet { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | fn new_tx(&mut self) -> &mut Tx { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | fn complete_tx(&mut self, tx_id: u64, new_state: TxState) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 150 | fn is_visible(&self, tx: &Tx, value: &Value) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 204 | fn has_conflict bool>(&self, tx: &Tx, conflict_fn: F) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Cmd` is never used [INFO] [stdout] --> src/lib.rs:233:6 [INFO] [stdout] | [INFO] [stdout] 233 | enum Cmd { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Connection` is never constructed [INFO] [stdout] --> src/lib.rs:242:8 [INFO] [stdout] | [INFO] [stdout] 242 | struct Connection { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `exec_cmd`, and `find_visible` are never used [INFO] [stdout] --> src/lib.rs:248:8 [INFO] [stdout] | [INFO] [stdout] 247 | impl Connection { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 248 | fn new(db: Rc>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 252 | fn exec_cmd(&mut self, command: Cmd) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 341 | fn find_visible(&mut self, key: &String) -> Vec<(usize, u64)> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "593da198e925106575bb1dac9696cf1afb323fed616b9567effd6cd9c2b24b3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "593da198e925106575bb1dac9696cf1afb323fed616b9567effd6cd9c2b24b3b", kill_on_drop: false }` [INFO] [stdout] 593da198e925106575bb1dac9696cf1afb323fed616b9567effd6cd9c2b24b3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3ca460854417158180c233e73841470614a1ec74826ccc3360f8b010647cb280 [INFO] running `Command { std: "docker" "start" "-a" "3ca460854417158180c233e73841470614a1ec74826ccc3360f8b010647cb280", kill_on_drop: false }` [INFO] [stdout] warning: struct `Value` is never constructed [INFO] [stdout] --> src/lib.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Value { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TxState` is never used [INFO] [stdout] --> src/lib.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 23 | enum TxState { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IsolationLevel` is never used [INFO] [stdout] --> src/lib.rs:31:6 [INFO] [stdout] | [INFO] [stdout] 31 | enum IsolationLevel { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tx` is never constructed [INFO] [stdout] --> src/lib.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct Tx { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Database` is never constructed [INFO] [stdout] --> src/lib.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | struct Database { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling isol v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/lib.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 75 | impl Database { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 76 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | fn with_isolation_level(mut self, isolation_level: IsolationLevel) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | fn txs_in_progress(&self) -> BTreeSet { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | fn new_tx(&mut self) -> &mut Tx { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | fn complete_tx(&mut self, tx_id: u64, new_state: TxState) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 150 | fn is_visible(&self, tx: &Tx, value: &Value) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 204 | fn has_conflict bool>(&self, tx: &Tx, conflict_fn: F) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Cmd` is never used [INFO] [stdout] --> src/lib.rs:233:6 [INFO] [stdout] | [INFO] [stdout] 233 | enum Cmd { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Connection` is never constructed [INFO] [stdout] --> src/lib.rs:242:8 [INFO] [stdout] | [INFO] [stdout] 242 | struct Connection { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `exec_cmd`, and `find_visible` are never used [INFO] [stdout] --> src/lib.rs:248:8 [INFO] [stdout] | [INFO] [stdout] 247 | impl Connection { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 248 | fn new(db: Rc>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 252 | fn exec_cmd(&mut self, command: Cmd) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 341 | fn find_visible(&mut self, key: &String) -> Vec<(usize, u64)> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "3ca460854417158180c233e73841470614a1ec74826ccc3360f8b010647cb280", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ca460854417158180c233e73841470614a1ec74826ccc3360f8b010647cb280", kill_on_drop: false }` [INFO] [stdout] 3ca460854417158180c233e73841470614a1ec74826ccc3360f8b010647cb280