[INFO] cloning repository https://github.com/detoxifiedplant/smart-pointers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/detoxifiedplant/smart-pointers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdetoxifiedplant%2Fsmart-pointers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdetoxifiedplant%2Fsmart-pointers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 65c7d53099689ca371ee9e28081498d46284099d [INFO] testing detoxifiedplant/smart-pointers against 1.86.0 for beta-1.87-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdetoxifiedplant%2Fsmart-pointers" "/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/detoxifiedplant/smart-pointers on toolchain 1.86.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/detoxifiedplant/smart-pointers [INFO] finished tweaking git repo https://github.com/detoxifiedplant/smart-pointers [INFO] tweaked toml for git repo https://github.com/detoxifiedplant/smart-pointers written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/detoxifiedplant/smart-pointers 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fefbf0611e3d519d73bcf33e2cace0e8fc1765264338783759c92a94c81676d3 [INFO] running `Command { std: "docker" "start" "-a" "fefbf0611e3d519d73bcf33e2cace0e8fc1765264338783759c92a94c81676d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fefbf0611e3d519d73bcf33e2cace0e8fc1765264338783759c92a94c81676d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fefbf0611e3d519d73bcf33e2cace0e8fc1765264338783759c92a94c81676d3", kill_on_drop: false }` [INFO] [stdout] fefbf0611e3d519d73bcf33e2cace0e8fc1765264338783759c92a94c81676d3 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe27a12f1e9f752e4d0190f73f3a60abd04a431be28edb375724efd090f62df8 [INFO] running `Command { std: "docker" "start" "-a" "fe27a12f1e9f752e4d0190f73f3a60abd04a431be28edb375724efd090f62df8", kill_on_drop: false }` [INFO] [stderr] Compiling smart-pointers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Cell` is never constructed [INFO] [stdout] --> src/cell.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | 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`, `get`, and `set` 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] 14 | fn get(&self) -> T [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn set(&self, value: T) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RcInner` is never constructed [INFO] [stdout] --> src/rc.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct RcInner { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rc` is never constructed [INFO] [stdout] --> src/rc.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct Rc { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/rc.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl Rc { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 16 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `RefState` is never used [INFO] [stdout] --> src/refcell.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | enum RefState { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RefCell` is never constructed [INFO] [stdout] --> src/refcell.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct RefCell { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `borrow`, and `borrow_mut` are never used [INFO] [stdout] --> src/refcell.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl RefCell { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 16 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn borrow(&self) -> Option> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | fn borrow_mut(&self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ref` is never constructed [INFO] [stdout] --> src/refcell.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct Ref<'refcell, T> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RefMut` is never constructed [INFO] [stdout] --> src/refcell.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | struct RefMut<'refcell ,T> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "fe27a12f1e9f752e4d0190f73f3a60abd04a431be28edb375724efd090f62df8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe27a12f1e9f752e4d0190f73f3a60abd04a431be28edb375724efd090f62df8", kill_on_drop: false }` [INFO] [stdout] fe27a12f1e9f752e4d0190f73f3a60abd04a431be28edb375724efd090f62df8 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e5ad0306b5d11fc4c145da4d7db159631780de0a8c1040aeb343fa1f7a77ed3 [INFO] running `Command { std: "docker" "start" "-a" "4e5ad0306b5d11fc4c145da4d7db159631780de0a8c1040aeb343fa1f7a77ed3", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/e2ee2d155b71a9226bcf9c0f38efb028a9290b7e96b73bf853c84f6c5ba60644/merged: no space left on device [INFO] running `Command { std: "docker" "inspect" "4e5ad0306b5d11fc4c145da4d7db159631780de0a8c1040aeb343fa1f7a77ed3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e5ad0306b5d11fc4c145da4d7db159631780de0a8c1040aeb343fa1f7a77ed3", kill_on_drop: false }` [INFO] [stdout] 4e5ad0306b5d11fc4c145da4d7db159631780de0a8c1040aeb343fa1f7a77ed3