[INFO] updating cached repository https://github.com/suhanyujie/rust-cookbook-note [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] [stderr] From https://github.com/suhanyujie/rust-cookbook-note [INFO] [stderr] ff8114f..3e4747a master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3e4747a113924730bd7ef5aef06e4215075dc37b [INFO] testing suhanyujie/rust-cookbook-note against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhanyujie%2Frust-cookbook-note" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/suhanyujie/rust-cookbook-note on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/suhanyujie/rust-cookbook-note [INFO] finished tweaking git repo https://github.com/suhanyujie/rust-cookbook-note [INFO] tweaked toml for git repo https://github.com/suhanyujie/rust-cookbook-note written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/suhanyujie/rust-cookbook-note already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] df957986eaa6812a49c81799b3ba80b9097ff36b3724227492ee0e53715cce0f [INFO] running `"docker" "start" "-a" "df957986eaa6812a49c81799b3ba80b9097ff36b3724227492ee0e53715cce0f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling cookbook v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/notes/alpha.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Ordering` [INFO] [stderr] --> src/notes/copy_trait.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Div`, `Mul`, `Sub` [INFO] [stderr] --> src/notes/op_rhs.rs:1:21 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ops::{Add, Div, Mul, Sub}; [INFO] [stderr] | ^^^ ^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `notes::alpha` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use notes::alpha; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 16 | process::exit(-1); [INFO] [stderr] | ----------------- any code following this expression is unreachable [INFO] [stderr] 17 | command::try_with_test_param(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `status` [INFO] [stderr] --> src/command.rs:38:13 [INFO] [stderr] | [INFO] [stderr] 38 | status, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `status: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stderr` [INFO] [stderr] --> src/command.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | stderr, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `stderr: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p_duck` [INFO] [stderr] --> src/notes/alpha.rs:24:22 [INFO] [stderr] | [INFO] [stderr] 24 | fn print_traitobject(p_duck: &dyn Bird) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p_duck` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d3` [INFO] [stderr] --> src/notes/alpha.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let d3 = d2 as &dyn Bird; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_d3` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v2` [INFO] [stderr] --> src/notes/copy_trait.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let v2 = v1; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_a_u8_num` [INFO] [stderr] --> src/algorithm.rs:36:8 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn gen_a_u8_num() -> u8 { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_a_i32_num` [INFO] [stderr] --> src/algorithm.rs:45:8 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn gen_a_i32_num() -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_random_within_range` [INFO] [stderr] --> src/algorithm.rs:53:8 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn gen_random_within_range(min: isize, max: isize) -> isize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_random_string` [INFO] [stderr] --> src/algorithm.rs:92:8 [INFO] [stderr] | [INFO] [stderr] 92 | pub fn get_random_string(length: u8) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_random_string_from_customer_str` [INFO] [stderr] --> src/algorithm.rs:111:8 [INFO] [stderr] | [INFO] [stderr] 111 | pub fn get_random_string_from_customer_str(length: u8) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_traitobject` [INFO] [stderr] --> src/notes/alpha.rs:24:4 [INFO] [stderr] | [INFO] [stderr] 24 | fn print_traitobject(p_duck: &dyn Bird) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/notes/alpha.rs:29:8 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/notes/alpha.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(dyn_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: crate-level attribute should be in the root module [INFO] [stderr] --> src/notes/alpha.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(dyn_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.00s [INFO] running `"docker" "inspect" "df957986eaa6812a49c81799b3ba80b9097ff36b3724227492ee0e53715cce0f"` [INFO] running `"docker" "rm" "-f" "df957986eaa6812a49c81799b3ba80b9097ff36b3724227492ee0e53715cce0f"` [INFO] [stdout] df957986eaa6812a49c81799b3ba80b9097ff36b3724227492ee0e53715cce0f [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4ceb9d4d27261844e3dfe8f05711ccc6cc245d4697d7f6ae2f44991304adf099 [INFO] running `"docker" "start" "-a" "4ceb9d4d27261844e3dfe8f05711ccc6cc245d4697d7f6ae2f44991304adf099"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cookbook v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/notes/alpha.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Ordering` [INFO] [stderr] --> src/notes/copy_trait.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Div`, `Mul`, `Sub` [INFO] [stderr] --> src/notes/op_rhs.rs:1:21 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ops::{Add, Div, Mul, Sub}; [INFO] [stderr] | ^^^ ^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `notes::alpha` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use notes::alpha; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 16 | process::exit(-1); [INFO] [stderr] | ----------------- any code following this expression is unreachable [INFO] [stderr] 17 | command::try_with_test_param(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `status` [INFO] [stderr] --> src/command.rs:38:13 [INFO] [stderr] | [INFO] [stderr] 38 | status, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `status: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stderr` [INFO] [stderr] --> src/command.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | stderr, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `stderr: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p_duck` [INFO] [stderr] --> src/notes/alpha.rs:24:22 [INFO] [stderr] | [INFO] [stderr] 24 | fn print_traitobject(p_duck: &dyn Bird) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p_duck` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d3` [INFO] [stderr] --> src/notes/alpha.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let d3 = d2 as &dyn Bird; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_d3` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v2` [INFO] [stderr] --> src/notes/copy_trait.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let v2 = v1; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_a_u8_num` [INFO] [stderr] --> src/algorithm.rs:36:8 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn gen_a_u8_num() -> u8 { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_a_i32_num` [INFO] [stderr] --> src/algorithm.rs:45:8 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn gen_a_i32_num() -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_random_within_range` [INFO] [stderr] --> src/algorithm.rs:53:8 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn gen_random_within_range(min: isize, max: isize) -> isize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_traitobject` [INFO] [stderr] --> src/notes/alpha.rs:24:4 [INFO] [stderr] | [INFO] [stderr] 24 | fn print_traitobject(p_duck: &dyn Bird) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/notes/alpha.rs:29:8 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/notes/alpha.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(dyn_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: crate-level attribute should be in the root module [INFO] [stderr] --> src/notes/alpha.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(dyn_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 18 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.23s [INFO] running `"docker" "inspect" "4ceb9d4d27261844e3dfe8f05711ccc6cc245d4697d7f6ae2f44991304adf099"` [INFO] running `"docker" "rm" "-f" "4ceb9d4d27261844e3dfe8f05711ccc6cc245d4697d7f6ae2f44991304adf099"` [INFO] [stdout] 4ceb9d4d27261844e3dfe8f05711ccc6cc245d4697d7f6ae2f44991304adf099 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f228b05da0330a8bf54c0a01e6197829028652855dfd1a9e8465fc8f2a7da640 [INFO] running `"docker" "start" "-a" "f228b05da0330a8bf54c0a01e6197829028652855dfd1a9e8465fc8f2a7da640"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/notes/alpha.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Ordering` [INFO] [stderr] --> src/notes/copy_trait.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Div`, `Mul`, `Sub` [INFO] [stderr] --> src/notes/op_rhs.rs:1:21 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ops::{Add, Div, Mul, Sub}; [INFO] [stderr] | ^^^ ^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `notes::alpha` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use notes::alpha; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 16 | process::exit(-1); [INFO] [stderr] | ----------------- any code following this expression is unreachable [INFO] [stderr] 17 | command::try_with_test_param(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `status` [INFO] [stderr] --> src/command.rs:38:13 [INFO] [stderr] | [INFO] [stderr] 38 | status, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `status: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stderr` [INFO] [stderr] --> src/command.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | stderr, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `stderr: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p_duck` [INFO] [stderr] --> src/notes/alpha.rs:24:22 [INFO] [stderr] | [INFO] [stderr] 24 | fn print_traitobject(p_duck: &dyn Bird) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p_duck` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d3` [INFO] [stderr] --> src/notes/alpha.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let d3 = d2 as &dyn Bird; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_d3` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v2` [INFO] [stderr] --> src/notes/copy_trait.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let v2 = v1; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_a_u8_num` [INFO] [stderr] --> src/algorithm.rs:36:8 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn gen_a_u8_num() -> u8 { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_a_i32_num` [INFO] [stderr] --> src/algorithm.rs:45:8 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn gen_a_i32_num() -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_random_within_range` [INFO] [stderr] --> src/algorithm.rs:53:8 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn gen_random_within_range(min: isize, max: isize) -> isize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_traitobject` [INFO] [stderr] --> src/notes/alpha.rs:24:4 [INFO] [stderr] | [INFO] [stderr] 24 | fn print_traitobject(p_duck: &dyn Bird) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/notes/alpha.rs:29:8 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/notes/alpha.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(dyn_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: crate-level attribute should be in the root module [INFO] [stderr] --> src/notes/alpha.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(dyn_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 18 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/cookbook-570cc184a306f1a0 [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test algorithm::test_get_random_string ... ok [INFO] [stdout] test algorithm::tests::test_float_sort ... ok [INFO] [stdout] test algorithm::test_get_random_string_from_customer_str ... ok [INFO] [stdout] test notes::op_rhs::tests::test_vec_plus ... ok [INFO] [stdout] test notes::op_rhs::tests::test_point_add ... ok [INFO] [stdout] test algorithm::tests::test_int_sort ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--bin cookbook' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- algorithm::tests::test_int_sort stdout ---- [INFO] [stdout] the num is:[21, 32, 43, 67, 90, 98, 121] [INFO] [stdout] thread 'algorithm::tests::test_int_sort' panicked at 'assertion failed: false', src/algorithm.rs:18:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55e0660aad95 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55e0660aad95 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55e0660aad95 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55e0660aad95 - ::fmt::h3ec6bdab62f1e8d9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55e0660d2f6c - core::fmt::write::h935cb0ed4078a853 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55e066008245 - std::io::Write::write_fmt::h944a31ab04b0dfe4 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x55e0660a52d1 - std::io::impls::>::write_fmt::h6bd94c41a9c566d2 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x55e0660ad5c0 - std::sys_common::backtrace::_print::h460db802d801ccf8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55e0660ad5c0 - std::sys_common::backtrace::print::h399d664f56640530 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55e0660ad5c0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55e0660ad2ba - std::panicking::default_hook::hfdceba6d6d1a18ae [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55e0660adbf7 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 12: 0x55e066045aab - std::panicking::begin_panic::hd121581661474394 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:410 [INFO] [stdout] 13: 0x55e066006f42 - cookbook::algorithm::tests::test_int_sort::h6ca67c70b88d98bf [INFO] [stdout] at src/algorithm.rs:18 [INFO] [stdout] 14: 0x55e066006f0a - cookbook::algorithm::tests::test_int_sort::{{closure}}::hfbd373667f72e4ff [INFO] [stdout] at src/algorithm.rs:16 [INFO] [stdout] 15: 0x55e066002c7e - core::ops::function::FnOnce::call_once::h094dc49db2dfc3d0 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stdout] 16: 0x55e06602f632 - as core::ops::function::FnOnce>::call_once::hd23431bd7b767a0c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 17: 0x55e06602f632 - as core::ops::function::FnOnce<()>>::call_once::h6986d2e83b783a4e [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stdout] 18: 0x55e06602f632 - std::panicking::try::do_call::haee67871ebe8ee92 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stdout] 19: 0x55e06602f632 - std::panicking::try::hcba534043f17f42d [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x55e06602f632 - std::panic::catch_unwind::h6908c2ae7517b434 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x55e06602f632 - test::run_test_in_process::h66277a63b8267865 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 22: 0x55e06602f632 - test::run_test::run_test_inner::{{closure}}::h591f321b83c3f302 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 23: 0x55e066007706 - std::sys_common::backtrace::__rust_begin_short_backtrace::h843e47ea29613666 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 24: 0x55e06600cca5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha6c43669df0cbe25 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:475 [INFO] [stdout] 25: 0x55e06600cca5 - as core::ops::function::FnOnce<()>>::call_once::hc86e5439e615a14a [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stdout] 26: 0x55e06600cca5 - std::panicking::try::do_call::h4b45bcf4d5d82a80 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stdout] 27: 0x55e06600cca5 - std::panicking::try::h297c0c407d3f8196 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stdout] 28: 0x55e06600cca5 - std::panic::catch_unwind::h877baa9fbef2eafe [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x55e06600cca5 - std::thread::Builder::spawn_unchecked::{{closure}}::hdb000626ad29158a [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:474 [INFO] [stdout] 30: 0x55e06600cca5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h87e786b011f05b5c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stdout] 31: 0x55e0660b3eea - as core::ops::function::FnOnce>::call_once::hfc5c0e64036d1b09 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 32: 0x55e0660b3eea - as core::ops::function::FnOnce>::call_once::hf3d73184efc070c1 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 33: 0x55e0660b3eea - std::sys::unix::thread::Thread::new::thread_start::hb9eb749d91dfe8e2 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 34: 0x7f4776c73609 - start_thread [INFO] [stdout] 35: 0x7f4776efe103 - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] algorithm::tests::test_int_sort [INFO] [stdout] [INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "f228b05da0330a8bf54c0a01e6197829028652855dfd1a9e8465fc8f2a7da640"` [INFO] running `"docker" "rm" "-f" "f228b05da0330a8bf54c0a01e6197829028652855dfd1a9e8465fc8f2a7da640"` [INFO] [stdout] f228b05da0330a8bf54c0a01e6197829028652855dfd1a9e8465fc8f2a7da640