[INFO] cloning repository https://github.com/eiennohito/trie-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eiennohito/trie-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feiennohito%2Ftrie-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feiennohito%2Ftrie-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c97c357a11a13a9bb01a5e84a6356a57748c98ad
[INFO] checking eiennohito/trie-playground against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feiennohito%2Ftrie-playground" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eiennohito/trie-playground on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eiennohito/trie-playground
[INFO] finished tweaking git repo https://github.com/eiennohito/trie-playground
[INFO] tweaked toml for git repo https://github.com/eiennohito/trie-playground written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/eiennohito/trie-playground 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking eiennohito/trie-playground against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feiennohito%2Ftrie-playground" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eiennohito/trie-playground on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eiennohito/trie-playground
[INFO] finished tweaking git repo https://github.com/eiennohito/trie-playground
[INFO] tweaked toml for git repo https://github.com/eiennohito/trie-playground written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/eiennohito/trie-playground 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 837854eabe8856f740a4bbb6c5e67e0a570c7ef5258b29b6ba64cdc6c6082d0c
[INFO] running `Command { std: "docker" "start" "-a" "837854eabe8856f740a4bbb6c5e67e0a570c7ef5258b29b6ba64cdc6c6082d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "837854eabe8856f740a4bbb6c5e67e0a570c7ef5258b29b6ba64cdc6c6082d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837854eabe8856f740a4bbb6c5e67e0a570c7ef5258b29b6ba64cdc6c6082d0c", kill_on_drop: false }`
[INFO] [stdout] 837854eabe8856f740a4bbb6c5e67e0a570c7ef5258b29b6ba64cdc6c6082d0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96d98a62567e667c16d40ca7d7746e29ee904cda76c3c6ac047d595483ef25d3
[INFO] running `Command { std: "docker" "start" "-a" "96d98a62567e667c16d40ca7d7746e29ee904cda76c3c6ac047d595483ef25d3", kill_on_drop: false }`
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking testrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `BitPatternSearcher1` is never constructed
[INFO] [stdout]  --> src/main.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct BitPatternSearcher1<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `search` is never used
[INFO] [stdout]  --> src/main.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl <'a> BitPatternSearcher1<'a> {
[INFO] [stdout]   | --------------------------------- method in this implementation
[INFO] [stdout] 7 |     fn search(&self, target: &[u16]) -> Option<usize> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `children`, `weight`, and `value` are never read
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct TrieNode {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 25 |     children: fxhash::FxHashMap<u8, TrieNode>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 26 |     weight: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     value: Option<u32>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `child_indices` and `add` are never used
[INFO] [stdout]   --> src/main.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl TrieNode {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 31 |     pub fn child_indices(&self, out: &mut Vec<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn add(&mut self, data: &[u8], value: u32, weight: u64) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `root` and `num_entries` are never read
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct HashTrie {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 55 |     root: TrieNode,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 56 |     num_entries: usize
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add` is never used
[INFO] [stdout]   --> src/main.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl HashTrie {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 60 |     pub fn add(&mut self, data: &[u8], value: u32, weight: u64) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BitPatternSearcher1` is never constructed
[INFO] [stdout]  --> src/main.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct BitPatternSearcher1<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `search` is never used
[INFO] [stdout]  --> src/main.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl <'a> BitPatternSearcher1<'a> {
[INFO] [stdout]   | --------------------------------- method in this implementation
[INFO] [stdout] 7 |     fn search(&self, target: &[u16]) -> Option<usize> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `children`, `weight`, and `value` are never read
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct TrieNode {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 25 |     children: fxhash::FxHashMap<u8, TrieNode>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 26 |     weight: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     value: Option<u32>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `child_indices` and `add` are never used
[INFO] [stdout]   --> src/main.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl TrieNode {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 31 |     pub fn child_indices(&self, out: &mut Vec<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn add(&mut self, data: &[u8], value: u32, weight: u64) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `root` and `num_entries` are never read
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct HashTrie {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 55 |     root: TrieNode,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 56 |     num_entries: usize
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add` is never used
[INFO] [stdout]   --> src/main.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl HashTrie {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 60 |     pub fn add(&mut self, data: &[u8], value: u32, weight: u64) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "96d98a62567e667c16d40ca7d7746e29ee904cda76c3c6ac047d595483ef25d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d98a62567e667c16d40ca7d7746e29ee904cda76c3c6ac047d595483ef25d3", kill_on_drop: false }`
[INFO] [stdout] 96d98a62567e667c16d40ca7d7746e29ee904cda76c3c6ac047d595483ef25d3
