[INFO] cloning repository https://github.com/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2FCompiling-Pattern-Matching-to-Good-Decision-Trees", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2FCompiling-Pattern-Matching-to-Good-Decision-Trees'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e080a4b5b9bde0beb557249f4d78827416042c8b [INFO] checking Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees against master#5257aee7dd163d21d32fa904578d4fb0f4c91b79 for pr-116494-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2FCompiling-Pattern-Matching-to-Good-Decision-Trees" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees on toolchain 5257aee7dd163d21d32fa904578d4fb0f4c91b79 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5257aee7dd163d21d32fa904578d4fb0f4c91b79" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees [INFO] finished tweaking git repo https://github.com/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees [INFO] tweaked toml for git repo https://github.com/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees 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" "+5257aee7dd163d21d32fa904578d4fb0f4c91b79" "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 Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees against try#d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8 for pr-116494-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2FCompiling-Pattern-Matching-to-Good-Decision-Trees" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees on toolchain d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees [INFO] finished tweaking git repo https://github.com/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees [INFO] tweaked toml for git repo https://github.com/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees 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" "+d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e435ae2f1dafe5efcc2a07f90eaf3bd007603e0f361a2c9fc54fb57e10ef1b65 [INFO] running `Command { std: "docker" "start" "-a" "e435ae2f1dafe5efcc2a07f90eaf3bd007603e0f361a2c9fc54fb57e10ef1b65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e435ae2f1dafe5efcc2a07f90eaf3bd007603e0f361a2c9fc54fb57e10ef1b65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e435ae2f1dafe5efcc2a07f90eaf3bd007603e0f361a2c9fc54fb57e10ef1b65", kill_on_drop: false }` [INFO] [stdout] e435ae2f1dafe5efcc2a07f90eaf3bd007603e0f361a2c9fc54fb57e10ef1b65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2099f25377b21cd15c1fab1186c3dfd35f1ba262c03443d5a5c1df7db0447175 [INFO] running `Command { std: "docker" "start" "-a" "2099f25377b21cd15c1fab1186c3dfd35f1ba262c03443d5a5c1df7db0447175", kill_on_drop: false }` [INFO] [stderr] Checking slpj v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Display`, `self` [INFO] [stdout] --> src/main.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt::{self, Display}; [INFO] [stdout] | ^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hint::unreachable_unchecked` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::hint::unreachable_unchecked; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | ));; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Display`, `self` [INFO] [stdout] --> src/main.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt::{self, Display}; [INFO] [stdout] | ^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hint::unreachable_unchecked` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::hint::unreachable_unchecked; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | ));; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | ; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | ; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/decision.rs:2:31 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::{self, Display, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/matrix.rs:124:21 [INFO] [stdout] | [INFO] [stdout] 124 | for j in 0..self.columns[i].0.len() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/matrix.rs:151:14 [INFO] [stdout] | [INFO] [stdout] 151 | for (i, row) in self.columns.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/decision.rs:2:31 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::{self, Display, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_signature` is never used [INFO] [stdout] --> src/matrix.rs:136:12 [INFO] [stdout] | [INFO] [stdout] 93 | impl PatternMatrix { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 136 | pub fn get_signature(&self,index:usize) -> HashSet { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Or` is never constructed [INFO] [stdout] --> src/pattern.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub enum Pattern { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 29 | Or(Box, Box), [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Pattern` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `nil` is never used [INFO] [stdout] --> src/pattern.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn nil() -> Pattern { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/matrix.rs:124:21 [INFO] [stdout] | [INFO] [stdout] 124 | for j in 0..self.columns[i].0.len() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/matrix.rs:151:14 [INFO] [stdout] | [INFO] [stdout] 151 | for (i, row) in self.columns.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::collections::hash_set::Union` that must be used [INFO] [stdout] --> src/pattern.rs:79:17 [INFO] [stdout] | [INFO] [stdout] 79 | set.union(&rhs.con()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the union as an iterator, without modifying either input set [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 79 | let _ = set.union(&rhs.con()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_signature` is never used [INFO] [stdout] --> src/matrix.rs:136:12 [INFO] [stdout] | [INFO] [stdout] 93 | impl PatternMatrix { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 136 | pub fn get_signature(&self,index:usize) -> HashSet { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Or` is never constructed [INFO] [stdout] --> src/pattern.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub enum Pattern { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 29 | Or(Box, Box), [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Pattern` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `nil` is never used [INFO] [stdout] --> src/pattern.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn nil() -> Pattern { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::collections::hash_set::Union` that must be used [INFO] [stdout] --> src/pattern.rs:79:17 [INFO] [stdout] | [INFO] [stdout] 79 | set.union(&rhs.con()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the union as an iterator, without modifying either input set [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 79 | let _ = set.union(&rhs.con()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "2099f25377b21cd15c1fab1186c3dfd35f1ba262c03443d5a5c1df7db0447175", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2099f25377b21cd15c1fab1186c3dfd35f1ba262c03443d5a5c1df7db0447175", kill_on_drop: false }` [INFO] [stdout] 2099f25377b21cd15c1fab1186c3dfd35f1ba262c03443d5a5c1df7db0447175