[INFO] updating cached repository https://github.com/pontuslaestadius/goliath [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] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f264ab5bb7a22fd7795673ef07cb671b01a06713 [INFO] testing pontuslaestadius/goliath against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpontuslaestadius%2Fgoliath" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pontuslaestadius/goliath 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/pontuslaestadius/goliath [INFO] finished tweaking git repo https://github.com/pontuslaestadius/goliath [INFO] tweaked toml for git repo https://github.com/pontuslaestadius/goliath written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/pontuslaestadius/goliath 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0909d7da4b777c14bdda5cf5a28d911ffa0fb615d60514b83b0268a92c9f8da0 [INFO] running `"docker" "start" "-a" "0909d7da4b777c14bdda5cf5a28d911ffa0fb615d60514b83b0268a92c9f8da0"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling goliath v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/lib.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/lib.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut temp_item = Item {key: s, value: get_value(s)}; [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: `index` [INFO] [stderr] --> src/lib.rs:6:4 [INFO] [stderr] | [INFO] [stderr] 6 | fn index<'a>(string: &'a mut String) -> Vec> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_most_valued_sentence` [INFO] [stderr] --> src/lib.rs:41:4 [INFO] [stderr] | [INFO] [stderr] 41 | fn get_most_valued_sentence<'a>(string: &'a mut String, vec: Vec) -> &'a str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_value` [INFO] [stderr] --> src/lib.rs:70:4 [INFO] [stderr] | [INFO] [stderr] 70 | fn get_value(string: &str) -> usize { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `increase_value` [INFO] [stderr] --> src/lib.rs:96:8 [INFO] [stderr] | [INFO] [stderr] 96 | fn increase_value(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_value` [INFO] [stderr] --> src/lib.rs:100:8 [INFO] [stderr] | [INFO] [stderr] 100 | fn get_value(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_key` [INFO] [stderr] --> src/lib.rs:104:8 [INFO] [stderr] | [INFO] [stderr] 104 | fn get_key(&self) -> &str { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `"docker" "inspect" "0909d7da4b777c14bdda5cf5a28d911ffa0fb615d60514b83b0268a92c9f8da0"` [INFO] running `"docker" "rm" "-f" "0909d7da4b777c14bdda5cf5a28d911ffa0fb615d60514b83b0268a92c9f8da0"` [INFO] [stdout] 0909d7da4b777c14bdda5cf5a28d911ffa0fb615d60514b83b0268a92c9f8da0 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 97a01a7d2be933fd3b0ebfb2f02180131fb100cb1165021b361cf237989186fd [INFO] running `"docker" "start" "-a" "97a01a7d2be933fd3b0ebfb2f02180131fb100cb1165021b361cf237989186fd"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling goliath v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/lib.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/lib.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut temp_item = Item {key: s, value: get_value(s)}; [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: `index` [INFO] [stderr] --> src/lib.rs:6:4 [INFO] [stderr] | [INFO] [stderr] 6 | fn index<'a>(string: &'a mut String) -> Vec> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_most_valued_sentence` [INFO] [stderr] --> src/lib.rs:41:4 [INFO] [stderr] | [INFO] [stderr] 41 | fn get_most_valued_sentence<'a>(string: &'a mut String, vec: Vec) -> &'a str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_value` [INFO] [stderr] --> src/lib.rs:70:4 [INFO] [stderr] | [INFO] [stderr] 70 | fn get_value(string: &str) -> usize { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `increase_value` [INFO] [stderr] --> src/lib.rs:96:8 [INFO] [stderr] | [INFO] [stderr] 96 | fn increase_value(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_value` [INFO] [stderr] --> src/lib.rs:100:8 [INFO] [stderr] | [INFO] [stderr] 100 | fn get_value(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_key` [INFO] [stderr] --> src/lib.rs:104:8 [INFO] [stderr] | [INFO] [stderr] 104 | fn get_key(&self) -> &str { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/lib.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/lib.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut temp_item = Item {key: s, value: get_value(s)}; [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:147:13 [INFO] [stderr] | [INFO] [stderr] 147 | let mut vec = index(&mut string); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:158:13 [INFO] [stderr] | [INFO] [stderr] 158 | let mut vec = index(&mut string); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `"docker" "inspect" "97a01a7d2be933fd3b0ebfb2f02180131fb100cb1165021b361cf237989186fd"` [INFO] running `"docker" "rm" "-f" "97a01a7d2be933fd3b0ebfb2f02180131fb100cb1165021b361cf237989186fd"` [INFO] [stdout] 97a01a7d2be933fd3b0ebfb2f02180131fb100cb1165021b361cf237989186fd [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ba1a131b4578bf5976f3f9750cfa60a48fc55c033ce8dcf2a0f1dd11641d20bc [INFO] running `"docker" "start" "-a" "ba1a131b4578bf5976f3f9750cfa60a48fc55c033ce8dcf2a0f1dd11641d20bc"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/lib.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/lib.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut temp_item = Item {key: s, value: get_value(s)}; [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: `index` [INFO] [stderr] --> src/lib.rs:6:4 [INFO] [stderr] | [INFO] [stderr] 6 | fn index<'a>(string: &'a mut String) -> Vec> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_most_valued_sentence` [INFO] [stderr] --> src/lib.rs:41:4 [INFO] [stderr] | [INFO] [stderr] 41 | fn get_most_valued_sentence<'a>(string: &'a mut String, vec: Vec) -> &'a str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_value` [INFO] [stderr] --> src/lib.rs:70:4 [INFO] [stderr] | [INFO] [stderr] 70 | fn get_value(string: &str) -> usize { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `increase_value` [INFO] [stderr] --> src/lib.rs:96:8 [INFO] [stderr] | [INFO] [stderr] 96 | fn increase_value(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_value` [INFO] [stderr] --> src/lib.rs:100:8 [INFO] [stderr] | [INFO] [stderr] 100 | fn get_value(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_key` [INFO] [stderr] --> src/lib.rs:104:8 [INFO] [stderr] | [INFO] [stderr] 104 | fn get_key(&self) -> &str { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/lib.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/lib.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut temp_item = Item {key: s, value: get_value(s)}; [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:147:13 [INFO] [stderr] | [INFO] [stderr] 147 | let mut vec = index(&mut string); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:158:13 [INFO] [stderr] | [INFO] [stderr] 158 | let mut vec = index(&mut string); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/goliath-19f7abd85bb367e9 [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::simple_index ... ok [INFO] [stdout] test tests::simple_get_value ... ok [INFO] [stdout] test tests::simple_item_increase ... ok [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test tests::simple_most_valued_sentence ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests goliath [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "ba1a131b4578bf5976f3f9750cfa60a48fc55c033ce8dcf2a0f1dd11641d20bc"` [INFO] running `"docker" "rm" "-f" "ba1a131b4578bf5976f3f9750cfa60a48fc55c033ce8dcf2a0f1dd11641d20bc"` [INFO] [stdout] ba1a131b4578bf5976f3f9750cfa60a48fc55c033ce8dcf2a0f1dd11641d20bc