[INFO] cloning repository https://github.com/HSMF/xoracle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HSMF/xoracle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHSMF%2Fxoracle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHSMF%2Fxoracle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9358c0a1d17c0baba59c0c193b5f24f9ec51bec
[INFO] checking HSMF/xoracle against try#a7b168ac4977e8e93a43448b44847adaa305d5a9 for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHSMF%2Fxoracle" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/HSMF/xoracle
[INFO] finished tweaking git repo https://github.com/HSMF/xoracle
[INFO] tweaked toml for git repo https://github.com/HSMF/xoracle written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HSMF/xoracle on toolchain a7b168ac4977e8e93a43448b44847adaa305d5a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/HSMF/xoracle 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" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fid-rs v0.2.0
[INFO] [stderr]   Downloaded louds-rs v0.7.0
[INFO] [stderr]   Downloaded trie-rs v0.4.2
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeabf61f18a39ebf07ec4632907cb6cc572b1f1e96ad9c8843a8960da397dbfb
[INFO] running `Command { std: "docker" "start" "-a" "aeabf61f18a39ebf07ec4632907cb6cc572b1f1e96ad9c8843a8960da397dbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeabf61f18a39ebf07ec4632907cb6cc572b1f1e96ad9c8843a8960da397dbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeabf61f18a39ebf07ec4632907cb6cc572b1f1e96ad9c8843a8960da397dbfb", kill_on_drop: false }`
[INFO] [stdout] aeabf61f18a39ebf07ec4632907cb6cc572b1f1e96ad9c8843a8960da397dbfb
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39da3fec5bab5be56a07efe14a14cc88924b30003b325d8b755e6b763a732662
[INFO] running `Command { std: "docker" "start" "-a" "39da3fec5bab5be56a07efe14a14cc88924b30003b325d8b755e6b763a732662", kill_on_drop: false }`
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking fid-rs v0.2.0
[INFO] [stderr]     Checking louds-rs v0.7.0
[INFO] [stderr]     Checking trie-rs v0.4.2
[INFO] [stderr]     Checking xoracle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:221:63
[INFO] [stdout]     |
[INFO] [stdout] 221 |     for (_, ans, _, t2) in it2.clone().filter(|(ch, _, _, _)| (*ch == ch2)) {
[INFO] [stdout]     |                                                               ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 221 -     for (_, ans, _, t2) in it2.clone().filter(|(ch, _, _, _)| (*ch == ch2)) {
[INFO] [stdout] 221 +     for (_, ans, _, t2) in it2.clone().filter(|(ch, _, _, _)| *ch == ch2) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sqrt` is never used
[INFO] [stdout]   --> src/all.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn sqrt(x: u64) -> u64 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:221:63
[INFO] [stdout]     |
[INFO] [stdout] 221 |     for (_, ans, _, t2) in it2.clone().filter(|(ch, _, _, _)| (*ch == ch2)) {
[INFO] [stdout]     |                                                               ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 221 -     for (_, ans, _, t2) in it2.clone().filter(|(ch, _, _, _)| (*ch == ch2)) {
[INFO] [stdout] 221 +     for (_, ans, _, t2) in it2.clone().filter(|(ch, _, _, _)| *ch == ch2) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `special_chars`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let special_chars = "'\" ,.";
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_special_chars`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `special_chars`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let special_chars = "'\" ,.";
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_special_chars`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sqrt` is never used
[INFO] [stdout]   --> src/all.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn sqrt(x: u64) -> u64 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "39da3fec5bab5be56a07efe14a14cc88924b30003b325d8b755e6b763a732662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39da3fec5bab5be56a07efe14a14cc88924b30003b325d8b755e6b763a732662", kill_on_drop: false }`
[INFO] [stdout] 39da3fec5bab5be56a07efe14a14cc88924b30003b325d8b755e6b763a732662