[INFO] fetching crate Algod 0.1.1...
[INFO] checking Algod-0.1.1 against try#264a7c4a1c917c83d13895a31231f9d93c7b67e1 for pr-132289
[INFO] extracting crate Algod 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate Algod 0.1.1 on toolchain 264a7c4a1c917c83d13895a31231f9d93c7b67e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate Algod 0.1.1
[INFO] finished tweaking crates.io crate Algod 0.1.1
[INFO] tweaked toml for crates.io crate Algod 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a21d652508112234f1714edf3f01d8cdd875e81924077b2b5b74ab98c2595fb
[INFO] running `Command { std: "docker" "start" "-a" "0a21d652508112234f1714edf3f01d8cdd875e81924077b2b5b74ab98c2595fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a21d652508112234f1714edf3f01d8cdd875e81924077b2b5b74ab98c2595fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a21d652508112234f1714edf3f01d8cdd875e81924077b2b5b74ab98c2595fb", kill_on_drop: false }`
[INFO] [stdout] 0a21d652508112234f1714edf3f01d8cdd875e81924077b2b5b74ab98c2595fb
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d8725b6d5a3e67afc3915f775734eab7f65349bb7653f09c6f9f51a41a59a75
[INFO] running `Command { std: "docker" "start" "-a" "8d8725b6d5a3e67afc3915f775734eab7f65349bb7653f09c6f9f51a41a59a75", kill_on_drop: false }`
[INFO] [stderr]     Checking Algod v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/ciphers/sha256.rs:135:19
[INFO] [stdout]     |
[INFO] [stdout] 135 |             chunk[(63 - i)] = len as u8;
[INFO] [stdout]     |                   ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -             chunk[(63 - i)] = len as u8;
[INFO] [stdout] 135 +             chunk[63 - i] = len as u8;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `sorting`
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use sorting;
[INFO] [stdout]    |         ^^^^^^^ no external crate `sorting`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module instead
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use crate::sorting;
[INFO] [stdout]    |         ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/ciphers/sha256.rs:135:19
[INFO] [stdout]     |
[INFO] [stdout] 135 |             chunk[(63 - i)] = len as u8;
[INFO] [stdout]     |                   ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -             chunk[(63 - i)] = len as u8;
[INFO] [stdout] 135 +             chunk[63 - i] = len as u8;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph/depth_first_search_tic_tac_toe.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |     let mut play_actions = opt_play_actions.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_edge`, `neighbours`, `contains`, `nodes`, and `edges` are never used
[INFO] [stdout]    --> src/data_structures/graph.rs:65:8
[INFO] [stdout]     |
[INFO] [stdout] 64  | pub trait Graph {
[INFO] [stdout]     |           ----- associated items in this trait
[INFO] [stdout] 65  |     fn new() -> Self;
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 80  |     fn add_edge(&mut self, edge: (&str, &str, i32)) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91  |     fn neighbours(&self, node: &str) -> Result<&Vec<(String, i32)>, NodeNotInGraph> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98  |     fn contains(&self, node: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn nodes(&self) -> HashSet<&String> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn edges(&self) -> Vec<(&String, &String, i32)> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Algod` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `algod`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/data_structures/rb_tree.rs:218:13
[INFO] [stdout]     |
[INFO] [stdout] 218 |             Box::from_raw(node);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 218 |             let _ = Box::from_raw(node);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph/depth_first_search_tic_tac_toe.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |     let mut play_actions = opt_play_actions.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Algod` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8d8725b6d5a3e67afc3915f775734eab7f65349bb7653f09c6f9f51a41a59a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d8725b6d5a3e67afc3915f775734eab7f65349bb7653f09c6f9f51a41a59a75", kill_on_drop: false }`
[INFO] [stdout] 8d8725b6d5a3e67afc3915f775734eab7f65349bb7653f09c6f9f51a41a59a75
