[INFO] cloning repository https://github.com/steffenhaug/freelist [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steffenhaug/freelist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteffenhaug%2Ffreelist", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteffenhaug%2Ffreelist'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2e6f8cdbf15480ec39f7c8a8c8e80c100136e42a [INFO] testing steffenhaug/freelist against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteffenhaug%2Ffreelist" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/steffenhaug/freelist on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/steffenhaug/freelist [INFO] finished tweaking git repo https://github.com/steffenhaug/freelist [INFO] tweaked toml for git repo https://github.com/steffenhaug/freelist written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/steffenhaug/freelist already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 15caad0a2bb548b0b6341e5ba04d0e97136d4b3f77b383ef0bb6e1d6a990b337 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "15caad0a2bb548b0b6341e5ba04d0e97136d4b3f77b383ef0bb6e1d6a990b337", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "15caad0a2bb548b0b6341e5ba04d0e97136d4b3f77b383ef0bb6e1d6a990b337", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15caad0a2bb548b0b6341e5ba04d0e97136d4b3f77b383ef0bb6e1d6a990b337", kill_on_drop: false }` [INFO] [stdout] 15caad0a2bb548b0b6341e5ba04d0e97136d4b3f77b383ef0bb6e1d6a990b337 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 90cf40eb3198743adee05feb33aff231e2e93bab1661fc4c0279086773a1315b [INFO] running `Command { std: "docker" "start" "-a" "90cf40eb3198743adee05feb33aff231e2e93bab1661fc4c0279086773a1315b", kill_on_drop: false }` [INFO] [stderr] Compiling allocators v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `RefMut`, `Ref` [INFO] [stdout] --> src/pile.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::{RefCell, Ref, RefMut}; [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/pile.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/slotmap.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | data: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `slots` [INFO] [stdout] --> src/slotmap.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | slots: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `free_data` [INFO] [stdout] --> src/slotmap.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | free_data: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `free_slots` [INFO] [stdout] --> src/slotmap.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | free_slots: Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/pile.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | / mem::replace( [INFO] [stdout] 84 | | &mut self.memory[address], [INFO] [stdout] 85 | | Entry::Free { [INFO] [stdout] 86 | | next: self.free_head, [INFO] [stdout] 87 | | }, [INFO] [stdout] 88 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let t = fl.remove(x); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let u = fl.insert(42); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let v = fl.insert(69); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.56s [INFO] running `Command { std: "docker" "inspect" "90cf40eb3198743adee05feb33aff231e2e93bab1661fc4c0279086773a1315b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90cf40eb3198743adee05feb33aff231e2e93bab1661fc4c0279086773a1315b", kill_on_drop: false }` [INFO] [stdout] 90cf40eb3198743adee05feb33aff231e2e93bab1661fc4c0279086773a1315b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9bd4b7ab0cd9a329f14d93a9c9811662432f9ad99ecf041523dedba8c4ffd852 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9bd4b7ab0cd9a329f14d93a9c9811662432f9ad99ecf041523dedba8c4ffd852", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.83 [INFO] [stderr] Compiling failure_derive v0.1.4 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stdout] warning: unused imports: `RefMut`, `Ref` [INFO] [stdout] --> src/pile.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::{RefCell, Ref, RefMut}; [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/pile.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/slotmap.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | data: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `slots` [INFO] [stdout] --> src/slotmap.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | slots: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `free_data` [INFO] [stdout] --> src/slotmap.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | free_data: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `free_slots` [INFO] [stdout] --> src/slotmap.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | free_slots: Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/pile.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | / mem::replace( [INFO] [stdout] 84 | | &mut self.memory[address], [INFO] [stdout] 85 | | Entry::Free { [INFO] [stdout] 86 | | next: self.free_head, [INFO] [stdout] 87 | | }, [INFO] [stdout] 88 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num_cpus v1.9.0 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Compiling csv-core v0.1.5 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling criterion-stats v0.3.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.83 [INFO] [stderr] Compiling serde_json v1.0.33 [INFO] [stderr] Compiling csv v1.0.5 [INFO] [stderr] Compiling failure v0.1.4 [INFO] [stderr] Compiling criterion-plot v0.2.7 [INFO] [stderr] Compiling handlebars v1.0.5 [INFO] [stderr] Compiling criterion v0.2.7 [INFO] [stderr] Compiling allocators v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let t = fl.remove(x); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let u = fl.insert(42); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let v = fl.insert(69); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RefMut`, `Ref` [INFO] [stdout] --> src/pile.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::{RefCell, Ref, RefMut}; [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/pile.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/slotmap.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | data: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `slots` [INFO] [stdout] --> src/slotmap.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | slots: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `free_data` [INFO] [stdout] --> src/slotmap.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | free_data: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `free_slots` [INFO] [stdout] --> src/slotmap.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | free_slots: Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/pile.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | / mem::replace( [INFO] [stdout] 84 | | &mut self.memory[address], [INFO] [stdout] 85 | | Entry::Free { [INFO] [stdout] 86 | | next: self.free_head, [INFO] [stdout] 87 | | }, [INFO] [stdout] 88 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `Command { std: "docker" "inspect" "9bd4b7ab0cd9a329f14d93a9c9811662432f9ad99ecf041523dedba8c4ffd852", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bd4b7ab0cd9a329f14d93a9c9811662432f9ad99ecf041523dedba8c4ffd852", kill_on_drop: false }` [INFO] [stdout] 9bd4b7ab0cd9a329f14d93a9c9811662432f9ad99ecf041523dedba8c4ffd852 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 97584b3a56bf102b9036a1eac5812c08b45e2681e4a91c7471a3007eaf33ca58 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "97584b3a56bf102b9036a1eac5812c08b45e2681e4a91c7471a3007eaf33ca58", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused imports: `RefMut`, `Ref` [INFO] [stderr] --> src/pile.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cell::{RefCell, Ref, RefMut}; [INFO] [stderr] | ^^^ ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/pile.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `data` [INFO] [stderr] --> src/slotmap.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | data: Vec>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `slots` [INFO] [stderr] --> src/slotmap.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | slots: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `free_data` [INFO] [stderr] --> src/slotmap.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | free_data: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `free_slots` [INFO] [stderr] --> src/slotmap.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | free_slots: Option [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/pile.rs:83:9 [INFO] [stderr] | [INFO] [stderr] 83 | / mem::replace( [INFO] [stderr] 84 | | &mut self.memory[address], [INFO] [stderr] 85 | | Entry::Free { [INFO] [stderr] 86 | | next: self.free_head, [INFO] [stderr] 87 | | }, [INFO] [stderr] 88 | | ); [INFO] [stderr] | |__________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused imports: `RefMut`, `Ref` [INFO] [stderr] --> src/pile.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cell::{RefCell, Ref, RefMut}; [INFO] [stderr] | ^^^ ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/pile.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `data` [INFO] [stderr] --> src/slotmap.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | data: Vec>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `slots` [INFO] [stderr] --> src/slotmap.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | slots: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `free_data` [INFO] [stderr] --> src/slotmap.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | free_data: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `free_slots` [INFO] [stderr] --> src/slotmap.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | free_slots: Option [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/pile.rs:83:9 [INFO] [stderr] | [INFO] [stderr] 83 | / mem::replace( [INFO] [stderr] 84 | | &mut self.memory[address], [INFO] [stderr] 85 | | Entry::Free { [INFO] [stderr] 86 | | next: self.free_head, [INFO] [stderr] 87 | | }, [INFO] [stderr] 88 | | ); [INFO] [stderr] | |__________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/main.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let t = fl.remove(x); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `u` [INFO] [stderr] --> src/main.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let u = fl.insert(42); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/main.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let v = fl.insert(69); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 23.21s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/allocators-81e989fa99e454fc [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/executable-a28dca85a1436650 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests allocators [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "97584b3a56bf102b9036a1eac5812c08b45e2681e4a91c7471a3007eaf33ca58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97584b3a56bf102b9036a1eac5812c08b45e2681e4a91c7471a3007eaf33ca58", kill_on_drop: false }` [INFO] [stdout] 97584b3a56bf102b9036a1eac5812c08b45e2681e4a91c7471a3007eaf33ca58