[INFO] cloning repository https://github.com/scriptonist/interior-mutablility-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scriptonist/interior-mutablility-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscriptonist%2Finterior-mutablility-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscriptonist%2Finterior-mutablility-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0362a6768a03b9bcfdef484514d682427979b4dc [INFO] checking scriptonist/interior-mutablility-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscriptonist%2Finterior-mutablility-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/scriptonist/interior-mutablility-rs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/scriptonist/interior-mutablility-rs [INFO] finished tweaking git repo https://github.com/scriptonist/interior-mutablility-rs [INFO] tweaked toml for git repo https://github.com/scriptonist/interior-mutablility-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/scriptonist/interior-mutablility-rs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0dbee27f2591182ee3ad5d6ca2577735325c92fb0fda93462f0ca98b5cde6d57 [INFO] running `Command { std: "docker" "start" "-a" "0dbee27f2591182ee3ad5d6ca2577735325c92fb0fda93462f0ca98b5cde6d57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0dbee27f2591182ee3ad5d6ca2577735325c92fb0fda93462f0ca98b5cde6d57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dbee27f2591182ee3ad5d6ca2577735325c92fb0fda93462f0ca98b5cde6d57", kill_on_drop: false }` [INFO] [stdout] 0dbee27f2591182ee3ad5d6ca2577735325c92fb0fda93462f0ca98b5cde6d57 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e7e2117d50283933672021581b25f696c0a47bb18a47720f54f739f16705cd4 [INFO] running `Command { std: "docker" "start" "-a" "2e7e2117d50283933672021581b25f696c0a47bb18a47720f54f739f16705cd4", kill_on_drop: false }` [INFO] [stderr] Checking int-mutability v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Cell` is never constructed [INFO] [stdout] --> src/cell.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Cell { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `set`, and `get` are never used [INFO] [stdout] --> src/cell.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl Cell { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 8 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | pub fn set(&self, value: T) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn get(&self) -> T [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Shared` and `Exclusive` are never constructed [INFO] [stdout] --> src/refcell.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | enum RefState { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 5 | Unshared, [INFO] [stdout] 6 | Shared(usize), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 7 | Exclusive, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RefState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `borrow`, and `borrow_mut` are never used [INFO] [stdout] --> src/refcell.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl RefCell { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 15 | pub fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn borrow(&self) -> Option> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn borrow_mut(&self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cell` is never constructed [INFO] [stdout] --> src/cell.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Cell { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `set`, and `get` are never used [INFO] [stdout] --> src/cell.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl Cell { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 8 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | pub fn set(&self, value: T) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn get(&self) -> T [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "2e7e2117d50283933672021581b25f696c0a47bb18a47720f54f739f16705cd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e7e2117d50283933672021581b25f696c0a47bb18a47720f54f739f16705cd4", kill_on_drop: false }` [INFO] [stdout] 2e7e2117d50283933672021581b25f696c0a47bb18a47720f54f739f16705cd4