[INFO] crate riquid 0.0.1 is already in cache
[INFO] testing riquid-0.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate riquid 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate riquid 0.0.1 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 crates.io crate riquid 0.0.1
[INFO] finished tweaking crates.io crate riquid 0.0.1
[INFO] tweaked toml for crates.io crate riquid 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-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] ca1e9f42488893d37eea9a9079d555a7be193e9e8e3fd0a7b8d39a9aecc7cc44
[INFO] running `"docker" "start" "-a" "ca1e9f42488893d37eea9a9079d555a7be193e9e8e3fd0a7b8d39a9aecc7cc44"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling riquid v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/scanner.rs:70:31
[INFO] [stderr]    |
[INFO] [stderr] 70 |         string.len() - string.trim_left().len()
[INFO] [stderr]    |                               ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Scanner`
[INFO] [stderr]  --> src/scanner.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Scanner<'t> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/scanner.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new<'a>(source: &'a str) -> Scanner<'a> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `position`
[INFO] [stderr]   --> src/scanner.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn position(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_eos`
[INFO] [stderr]   --> src/scanner.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn is_eos(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `skip`
[INFO] [stderr]   --> src/scanner.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn skip(&self, n: usize) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rest`
[INFO] [stderr]   --> src/scanner.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn rest(&self) -> Option<&str> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_char`
[INFO] [stderr]   --> src/scanner.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn get_char(&self) -> Option<&str> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `scan`
[INFO] [stderr]   --> src/scanner.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn scan(&self, pattern: &::regex::Regex) -> Option<&str> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_match`
[INFO] [stderr]   --> src/scanner.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn get_match<'a>(&'a self, source: &'a str, captures: &::regex::Captures) -> Option<&str> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `leading_chars`
[INFO] [stderr]   --> src/scanner.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn leading_chars(&self, string: &str) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `raw`
[INFO] [stderr]   --> src/scanner.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn raw(&self) -> &str {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `"docker" "inspect" "ca1e9f42488893d37eea9a9079d555a7be193e9e8e3fd0a7b8d39a9aecc7cc44"`
[INFO] running `"docker" "rm" "-f" "ca1e9f42488893d37eea9a9079d555a7be193e9e8e3fd0a7b8d39a9aecc7cc44"`
[INFO] [stdout] ca1e9f42488893d37eea9a9079d555a7be193e9e8e3fd0a7b8d39a9aecc7cc44
[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] [stdout] 4b49b9b4bbadef52037d92d06ac21fbf3e381b8198a0367fc2e114cadae69bf2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4b49b9b4bbadef52037d92d06ac21fbf3e381b8198a0367fc2e114cadae69bf2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling riquid v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/scanner.rs:70:31
[INFO] [stderr]    |
[INFO] [stderr] 70 |         string.len() - string.trim_left().len()
[INFO] [stderr]    |                               ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Scanner`
[INFO] [stderr]  --> src/scanner.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Scanner<'t> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/scanner.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new<'a>(source: &'a str) -> Scanner<'a> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `position`
[INFO] [stderr]   --> src/scanner.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn position(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_eos`
[INFO] [stderr]   --> src/scanner.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn is_eos(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `skip`
[INFO] [stderr]   --> src/scanner.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn skip(&self, n: usize) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rest`
[INFO] [stderr]   --> src/scanner.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn rest(&self) -> Option<&str> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_char`
[INFO] [stderr]   --> src/scanner.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn get_char(&self) -> Option<&str> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `scan`
[INFO] [stderr]   --> src/scanner.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn scan(&self, pattern: &::regex::Regex) -> Option<&str> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_match`
[INFO] [stderr]   --> src/scanner.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn get_match<'a>(&'a self, source: &'a str, captures: &::regex::Captures) -> Option<&str> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `leading_chars`
[INFO] [stderr]   --> src/scanner.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn leading_chars(&self, string: &str) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `raw`
[INFO] [stderr]   --> src/scanner.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn raw(&self) -> &str {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/scanner.rs:70:31
[INFO] [stderr]    |
[INFO] [stderr] 70 |         string.len() - string.trim_left().len()
[INFO] [stderr]    |                               ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "4b49b9b4bbadef52037d92d06ac21fbf3e381b8198a0367fc2e114cadae69bf2"`
[INFO] running `"docker" "rm" "-f" "4b49b9b4bbadef52037d92d06ac21fbf3e381b8198a0367fc2e114cadae69bf2"`
[INFO] [stdout] 4b49b9b4bbadef52037d92d06ac21fbf3e381b8198a0367fc2e114cadae69bf2
[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] 234a87e547fe839824a13652463708e395f6a0c419b57ade4236f4a2b2c8e82b
[INFO] running `"docker" "start" "-a" "234a87e547fe839824a13652463708e395f6a0c419b57ade4236f4a2b2c8e82b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/scanner.rs:70:31
[INFO] [stderr]    |
[INFO] [stderr] 70 |         string.len() - string.trim_left().len()
[INFO] [stderr]    |                               ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Scanner`
[INFO] [stderr]  --> src/scanner.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Scanner<'t> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/scanner.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new<'a>(source: &'a str) -> Scanner<'a> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `position`
[INFO] [stderr]   --> src/scanner.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn position(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_eos`
[INFO] [stderr]   --> src/scanner.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn is_eos(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `skip`
[INFO] [stderr]   --> src/scanner.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn skip(&self, n: usize) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/scanner.rs:70:31
[INFO] [stderr]    |
[INFO] [stderr] 70 |         string.len() - string.trim_left().len()
[INFO] [stderr]    |                               ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rest`
[INFO] [stderr]   --> src/scanner.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn rest(&self) -> Option<&str> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_char`
[INFO] [stderr]   --> src/scanner.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn get_char(&self) -> Option<&str> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `scan`
[INFO] [stderr]   --> src/scanner.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn scan(&self, pattern: &::regex::Regex) -> Option<&str> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_match`
[INFO] [stderr]   --> src/scanner.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn get_match<'a>(&'a self, source: &'a str, captures: &::regex::Captures) -> Option<&str> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `leading_chars`
[INFO] [stderr]   --> src/scanner.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn leading_chars(&self, string: &str) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `raw`
[INFO] [stderr]   --> src/scanner.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn raw(&self) -> &str {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/riquid-5ddb53687367eccf
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test scanner::tests::is_eos_is_true_when_at_the_end_of_a_string ... ok
[INFO] [stdout] test scanner::tests::is_eos_when_not_at_the_end_of_a_string ... ok
[INFO] [stdout] test scanner::tests::get_char_returns_the_current_character_and_pushes_the_index ... ok
[INFO] [stdout] test scanner::tests::skip_moves_n_characters_ahead ... ok
[INFO] [stdout] test scanner::tests::scan_returns_none_when_not_found ... ok
[INFO] [stdout] test scanner::tests::get_char_when_eos_returns_none ... ok
[INFO] [stdout] test scanner::tests::rest_returns_all_characters_from_the_current_position ... ok
[INFO] [stdout] test scanner::tests::new_returns_a_new_scanner ... ok
[INFO] [stdout] test scanner::tests::scan_retrieves_tokens_from_the_current_position_until_the_end ... ok
[INFO] [stderr]    Doc-tests riquid
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "234a87e547fe839824a13652463708e395f6a0c419b57ade4236f4a2b2c8e82b"`
[INFO] running `"docker" "rm" "-f" "234a87e547fe839824a13652463708e395f6a0c419b57ade4236f4a2b2c8e82b"`
[INFO] [stdout] 234a87e547fe839824a13652463708e395f6a0c419b57ade4236f4a2b2c8e82b