[INFO] updating cached repository https://github.com/steffenhaug/freelist [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] [stderr] From https://github.com/steffenhaug/freelist [INFO] [stderr] ee8b850..2e6f8cd master -> master [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2e6f8cdbf15480ec39f7c8a8c8e80c100136e42a [INFO] testing steffenhaug/freelist against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteffenhaug%2Ffreelist" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/steffenhaug/freelist on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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-5/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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 415861edd78c51d3f079aa86c56aa1cd6da1090d29021be95604d4a8568bbe7d [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" "415861edd78c51d3f079aa86c56aa1cd6da1090d29021be95604d4a8568bbe7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "415861edd78c51d3f079aa86c56aa1cd6da1090d29021be95604d4a8568bbe7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "415861edd78c51d3f079aa86c56aa1cd6da1090d29021be95604d4a8568bbe7d", kill_on_drop: false }` [INFO] [stdout] 415861edd78c51d3f079aa86c56aa1cd6da1090d29021be95604d4a8568bbe7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fc93e56e54f63647d8b16f6c1b639fa81e0c19a1351f6d18bc14e5edca681e5d [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" "fc93e56e54f63647d8b16f6c1b639fa81e0c19a1351f6d18bc14e5edca681e5d", 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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.05s [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fc93e56e54f63647d8b16f6c1b639fa81e0c19a1351f6d18bc14e5edca681e5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc93e56e54f63647d8b16f6c1b639fa81e0c19a1351f6d18bc14e5edca681e5d", kill_on_drop: false }` [INFO] [stdout] fc93e56e54f63647d8b16f6c1b639fa81e0c19a1351f6d18bc14e5edca681e5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a86f44e8c61ec108e30b1adfbcecec4f214b74a0410b28857ea139cd4955018 [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" "5a86f44e8c61ec108e30b1adfbcecec4f214b74a0410b28857ea139cd4955018", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.83 [INFO] [stderr] Compiling failure_derive v0.1.4 [INFO] [stderr] Compiling rustc-demangle v0.1.11 [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Compiling thread-scoped v1.0.2 [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling backtrace v0.3.13 [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] [stderr] Compiling backtrace-sys v0.1.28 [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] [stderr] Compiling itertools v0.7.11 [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] [stderr] Compiling memchr v2.1.2 [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 syn v0.15.23 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling itertools-num v0.1.3 [INFO] [stderr] Compiling pest_derive v1.0.8 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling num_cpus v1.9.0 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling csv-core v0.1.5 [INFO] [stderr] Compiling criterion-stats v0.3.0 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.83 [INFO] [stderr] Compiling failure v0.1.4 [INFO] [stderr] Compiling criterion-plot v0.2.7 [INFO] [stderr] Compiling serde_json v1.0.33 [INFO] [stderr] Compiling csv v1.0.5 [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 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: 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] [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 27s [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5a86f44e8c61ec108e30b1adfbcecec4f214b74a0410b28857ea139cd4955018", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a86f44e8c61ec108e30b1adfbcecec4f214b74a0410b28857ea139cd4955018", kill_on_drop: false }` [INFO] [stdout] 5a86f44e8c61ec108e30b1adfbcecec4f214b74a0410b28857ea139cd4955018 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 32054efdb5bab7790c29f74752a14cee2c673e572948f95d9061575a3ebc9053 [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" "32054efdb5bab7790c29f74752a14cee2c673e572948f95d9061575a3ebc9053", kill_on_drop: false }` [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 0.77s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/allocators-d497fed34078c5a0 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/executable-13ec5815116f2345 [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] [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" "32054efdb5bab7790c29f74752a14cee2c673e572948f95d9061575a3ebc9053", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32054efdb5bab7790c29f74752a14cee2c673e572948f95d9061575a3ebc9053", kill_on_drop: false }` [INFO] [stdout] 32054efdb5bab7790c29f74752a14cee2c673e572948f95d9061575a3ebc9053