[INFO] cloning repository https://github.com/flakey5/maps
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flakey5/maps" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflakey5%2Fmaps", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflakey5%2Fmaps'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47e7b9bc49460408e87fd00b0a7b11b43b25b88c
[INFO] testing flakey5/maps against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflakey5%2Fmaps" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/flakey5/maps
[INFO] finished tweaking git repo https://github.com/flakey5/maps
[INFO] tweaked toml for git repo https://github.com/flakey5/maps written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/flakey5/maps on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/flakey5/maps 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbd63c63dcfb5a178d40fe4e08334b3106f10c39acac9d3b96607b53752d69af
[INFO] running `Command { std: "docker" "start" "-a" "bbd63c63dcfb5a178d40fe4e08334b3106f10c39acac9d3b96607b53752d69af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbd63c63dcfb5a178d40fe4e08334b3106f10c39acac9d3b96607b53752d69af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd63c63dcfb5a178d40fe4e08334b3106f10c39acac9d3b96607b53752d69af", kill_on_drop: false }`
[INFO] [stdout] bbd63c63dcfb5a178d40fe4e08334b3106f10c39acac9d3b96607b53752d69af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad4f1be21284b157ad7cbae224a6c67a9ee39d48898c9620b35cacc873646ef0
[INFO] running `Command { std: "docker" "start" "-a" "ad4f1be21284b157ad7cbae224a6c67a9ee39d48898c9620b35cacc873646ef0", kill_on_drop: false }`
[INFO] [stderr]    Compiling maps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Map` is never used
[INFO] [stdout]  --> src/map.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Map<K, V: AsRef<V>> {
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeMap` is never constructed
[INFO] [stdout]  --> src/tree_map.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TreeMap<K: PartialEq + PartialOrd, V: AsRef<V>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_impl` are never used
[INFO] [stdout]   --> src/tree_map.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<K: PartialEq + PartialOrd, V: AsRef<V>> TreeMap<K, V> {
[INFO] [stdout]    | ---------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> TreeMap<K, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn get_impl(&self, key: &K) -> Option<&V> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyValue` is never constructed
[INFO] [stdout]    --> src/tree_map.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct KeyValue<K: PartialEq + PartialOrd, V> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/tree_map.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl<K: PartialEq + PartialOrd, V> KeyValue<K, V> {
[INFO] [stdout]     | ------------------------------------------------- associated function in this implementation
[INFO] [stdout] 109 |     pub fn new(key: K, val: V) -> KeyValue<K, V> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_SIZE` is never used
[INFO] [stdout]  --> src/hash_map.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const DEFAULT_SIZE: usize = 256;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashMap` is never constructed
[INFO] [stdout]  --> src/hash_map.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct HashMap<K: PartialEq + PartialOrd + Hash, V: AsRef<V>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hash_map.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<K: PartialEq + PartialOrd + Hash, V: AsRef<V>> HashMap<K, V> {
[INFO] [stdout]    | ----------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new() -> HashMap<K, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyValue` is never constructed
[INFO] [stdout]   --> src/hash_map.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct KeyValue<K: PartialEq + PartialOrd, V: AsRef<V>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hash_map.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<K: PartialEq + PartialOrd, V: AsRef<V>> KeyValue<K, V> {
[INFO] [stdout]    | ----------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 55 |     pub fn new() -> KeyValue<K, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_pos` is never used
[INFO] [stdout]   --> src/hash_map.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn get_pos<K: Hash>(key: &K) -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_key` is never used
[INFO] [stdout]   --> src/hash_map.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn hash_key<K: Hash>(key: &K) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "ad4f1be21284b157ad7cbae224a6c67a9ee39d48898c9620b35cacc873646ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4f1be21284b157ad7cbae224a6c67a9ee39d48898c9620b35cacc873646ef0", kill_on_drop: false }`
[INFO] [stdout] ad4f1be21284b157ad7cbae224a6c67a9ee39d48898c9620b35cacc873646ef0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d7e12043210c941fdc9153aaf6f94b6dcf86f20cd9aa39b165e0868c76273e3
[INFO] running `Command { std: "docker" "start" "-a" "5d7e12043210c941fdc9153aaf6f94b6dcf86f20cd9aa39b165e0868c76273e3", kill_on_drop: false }`
[INFO] [stdout] warning: trait `Map` is never used
[INFO] [stdout]  --> src/map.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Map<K, V: AsRef<V>> {
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling maps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TreeMap` is never constructed
[INFO] [stdout]  --> src/tree_map.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TreeMap<K: PartialEq + PartialOrd, V: AsRef<V>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_impl` are never used
[INFO] [stdout]   --> src/tree_map.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<K: PartialEq + PartialOrd, V: AsRef<V>> TreeMap<K, V> {
[INFO] [stdout]    | ---------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> TreeMap<K, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn get_impl(&self, key: &K) -> Option<&V> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyValue` is never constructed
[INFO] [stdout]    --> src/tree_map.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct KeyValue<K: PartialEq + PartialOrd, V> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/tree_map.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl<K: PartialEq + PartialOrd, V> KeyValue<K, V> {
[INFO] [stdout]     | ------------------------------------------------- associated function in this implementation
[INFO] [stdout] 109 |     pub fn new(key: K, val: V) -> KeyValue<K, V> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_SIZE` is never used
[INFO] [stdout]  --> src/hash_map.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const DEFAULT_SIZE: usize = 256;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashMap` is never constructed
[INFO] [stdout]  --> src/hash_map.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct HashMap<K: PartialEq + PartialOrd + Hash, V: AsRef<V>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hash_map.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<K: PartialEq + PartialOrd + Hash, V: AsRef<V>> HashMap<K, V> {
[INFO] [stdout]    | ----------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new() -> HashMap<K, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyValue` is never constructed
[INFO] [stdout]   --> src/hash_map.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct KeyValue<K: PartialEq + PartialOrd, V: AsRef<V>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hash_map.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<K: PartialEq + PartialOrd, V: AsRef<V>> KeyValue<K, V> {
[INFO] [stdout]    | ----------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 55 |     pub fn new() -> KeyValue<K, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_pos` is never used
[INFO] [stdout]   --> src/hash_map.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn get_pos<K: Hash>(key: &K) -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_key` is never used
[INFO] [stdout]   --> src/hash_map.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn hash_key<K: Hash>(key: &K) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate as maps`
[INFO] [stdout]  --> tests/tree_map_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate as maps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Map` is never used
[INFO] [stdout]  --> src/map.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Map<K, V: AsRef<V>> {
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeMap` is never constructed
[INFO] [stdout]  --> src/tree_map.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TreeMap<K: PartialEq + PartialOrd, V: AsRef<V>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_impl` are never used
[INFO] [stdout]   --> src/tree_map.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<K: PartialEq + PartialOrd, V: AsRef<V>> TreeMap<K, V> {
[INFO] [stdout]    | ---------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> TreeMap<K, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn get_impl(&self, key: &K) -> Option<&V> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyValue` is never constructed
[INFO] [stdout]    --> src/tree_map.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct KeyValue<K: PartialEq + PartialOrd, V> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/tree_map.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl<K: PartialEq + PartialOrd, V> KeyValue<K, V> {
[INFO] [stdout]     | ------------------------------------------------- associated function in this implementation
[INFO] [stdout] 109 |     pub fn new(key: K, val: V) -> KeyValue<K, V> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_SIZE` is never used
[INFO] [stdout]  --> src/hash_map.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const DEFAULT_SIZE: usize = 256;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashMap` is never constructed
[INFO] [stdout]  --> src/hash_map.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct HashMap<K: PartialEq + PartialOrd + Hash, V: AsRef<V>> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hash_map.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<K: PartialEq + PartialOrd + Hash, V: AsRef<V>> HashMap<K, V> {
[INFO] [stdout]    | ----------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new() -> HashMap<K, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyValue` is never constructed
[INFO] [stdout]   --> src/hash_map.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct KeyValue<K: PartialEq + PartialOrd, V: AsRef<V>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hash_map.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<K: PartialEq + PartialOrd, V: AsRef<V>> KeyValue<K, V> {
[INFO] [stdout]    | ----------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 55 |     pub fn new() -> KeyValue<K, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_pos` is never used
[INFO] [stdout]   --> src/hash_map.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn get_pos<K: Hash>(key: &K) -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_key` is never used
[INFO] [stdout]   --> src/hash_map.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn hash_key<K: Hash>(key: &K) -> 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" "5d7e12043210c941fdc9153aaf6f94b6dcf86f20cd9aa39b165e0868c76273e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d7e12043210c941fdc9153aaf6f94b6dcf86f20cd9aa39b165e0868c76273e3", kill_on_drop: false }`
[INFO] [stdout] 5d7e12043210c941fdc9153aaf6f94b6dcf86f20cd9aa39b165e0868c76273e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f1d0b322345d5395f6c774d20ca46f343f9f52a33f658e8a85925d91a9c37e1
[INFO] running `Command { std: "docker" "start" "-a" "6f1d0b322345d5395f6c774d20ca46f343f9f52a33f658e8a85925d91a9c37e1", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Map` is never used
[INFO] [stderr]  --> src/map.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait Map<K, V: AsRef<V>> {
[INFO] [stderr]   |           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TreeMap` is never constructed
[INFO] [stderr]  --> src/tree_map.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct TreeMap<K: PartialEq + PartialOrd, V: AsRef<V>> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `get_impl` are never used
[INFO] [stderr]   --> src/tree_map.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl<K: PartialEq + PartialOrd, V: AsRef<V>> TreeMap<K, V> {
[INFO] [stderr]    | ---------------------------------------------------------- associated items in this implementation
[INFO] [stderr] 10 |     pub fn new() -> TreeMap<K, V> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 |     fn get_impl(&self, key: &K) -> Option<&V> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `KeyValue` is never constructed
[INFO] [stderr]    --> src/tree_map.rs:101:8
[INFO] [stderr]     |
[INFO] [stderr] 101 | struct KeyValue<K: PartialEq + PartialOrd, V> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/tree_map.rs:109:12
[INFO] [stderr]     |
[INFO] [stderr] 108 | impl<K: PartialEq + PartialOrd, V> KeyValue<K, V> {
[INFO] [stderr]     | ------------------------------------------------- associated function in this implementation
[INFO] [stderr] 109 |     pub fn new(key: K, val: V) -> KeyValue<K, V> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `DEFAULT_SIZE` is never used
[INFO] [stderr]  --> src/hash_map.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 | const DEFAULT_SIZE: usize = 256;
[INFO] [stderr]   |       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HashMap` is never constructed
[INFO] [stderr]  --> src/hash_map.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct HashMap<K: PartialEq + PartialOrd + Hash, V: AsRef<V>> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/hash_map.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl<K: PartialEq + PartialOrd + Hash, V: AsRef<V>> HashMap<K, V> {
[INFO] [stderr]    | ----------------------------------------------------------------- associated function in this implementation
[INFO] [stderr] 15 |     pub fn new() -> HashMap<K, V> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `KeyValue` is never constructed
[INFO] [stderr]   --> src/hash_map.rs:50:8
[INFO] [stderr]    |
[INFO] [stderr] 50 | struct KeyValue<K: PartialEq + PartialOrd, V: AsRef<V>> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/hash_map.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 54 | impl<K: PartialEq + PartialOrd, V: AsRef<V>> KeyValue<K, V> {
[INFO] [stderr]    | ----------------------------------------------------------- associated function in this implementation
[INFO] [stderr] 55 |     pub fn new() -> KeyValue<K, V> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_pos` is never used
[INFO] [stderr]   --> src/hash_map.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn get_pos<K: Hash>(key: &K) -> usize {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `hash_key` is never used
[INFO] [stderr]   --> src/hash_map.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn hash_key<K: Hash>(key: &K) -> u64 {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `maps` (bin "maps" test) generated 12 warnings
[INFO] [stderr] warning: unused import: `crate as maps`
[INFO] [stderr]  --> tests/tree_map_test.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate as maps;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `maps` (test "tree_map_test") generated 1 warning (run `cargo fix --test "tree_map_test"` to apply 1 suggestion)
[INFO] [stderr] warning: `maps` (bin "maps") generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/maps-fffec9726c63e537)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tree_map_test.rs (/opt/rustwide/target/debug/deps/tree_map_test-3bc8a76ea81c7931)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_adds_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6f1d0b322345d5395f6c774d20ca46f343f9f52a33f658e8a85925d91a9c37e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f1d0b322345d5395f6c774d20ca46f343f9f52a33f658e8a85925d91a9c37e1", kill_on_drop: false }`
[INFO] [stdout] 6f1d0b322345d5395f6c774d20ca46f343f9f52a33f658e8a85925d91a9c37e1