[INFO] crate oats 0.1.0 is already in cache
[INFO] testing oats-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate oats 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate oats 0.1.0 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 oats 0.1.0
[INFO] finished tweaking crates.io crate oats 0.1.0
[INFO] tweaked toml for crates.io crate oats 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c946fad8f888e7c6cb3f076eeab306924d1a7d5ea75c919900cfab776da54c16
[INFO] running `"docker" "start" "-a" "c946fad8f888e7c6cb3f076eeab306924d1a7d5ea75c919900cfab776da54c16"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling oats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/openapi/version.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut split = s.split(".");
[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: field is never read: `title`
[INFO] [stderr]  --> src/openapi/info.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     title: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `description`
[INFO] [stderr]  --> src/openapi/info.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     description: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `url`
[INFO] [stderr]  --> src/openapi/info.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     url: Option<url::URL>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `version`
[INFO] [stderr]   --> src/openapi/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     version: version::Version,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `info`
[INFO] [stderr]   --> src/openapi/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     info: info::Info,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `servers`
[INFO] [stderr]   --> src/openapi/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     servers: servers::Servers,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `paths`
[INFO] [stderr]   --> src/openapi/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     paths: paths::Paths,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `components`
[INFO] [stderr]   --> src/openapi/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     components: components::Components,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `security`
[INFO] [stderr]   --> src/openapi/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     security: security::Security,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tags`
[INFO] [stderr]   --> src/openapi/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     tags: tags::Tags,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `external_docs`
[INFO] [stderr]   --> src/openapi/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     external_docs: external_docs::ExternalDocs,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "c946fad8f888e7c6cb3f076eeab306924d1a7d5ea75c919900cfab776da54c16"`
[INFO] running `"docker" "rm" "-f" "c946fad8f888e7c6cb3f076eeab306924d1a7d5ea75c919900cfab776da54c16"`
[INFO] [stdout] c946fad8f888e7c6cb3f076eeab306924d1a7d5ea75c919900cfab776da54c16
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a20c69610a32849f6103f7aa55c45a58af98f14fd3798ec40f454b95a95b9045
[INFO] running `"docker" "start" "-a" "a20c69610a32849f6103f7aa55c45a58af98f14fd3798ec40f454b95a95b9045"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling oats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/openapi/version.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut split = s.split(".");
[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: field is never read: `title`
[INFO] [stderr]  --> src/openapi/info.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     title: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `description`
[INFO] [stderr]  --> src/openapi/info.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     description: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `url`
[INFO] [stderr]  --> src/openapi/info.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     url: Option<url::URL>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `version`
[INFO] [stderr]   --> src/openapi/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     version: version::Version,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `info`
[INFO] [stderr]   --> src/openapi/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     info: info::Info,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `servers`
[INFO] [stderr]   --> src/openapi/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     servers: servers::Servers,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `paths`
[INFO] [stderr]   --> src/openapi/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     paths: paths::Paths,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `components`
[INFO] [stderr]   --> src/openapi/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     components: components::Components,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `security`
[INFO] [stderr]   --> src/openapi/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     security: security::Security,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tags`
[INFO] [stderr]   --> src/openapi/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     tags: tags::Tags,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `external_docs`
[INFO] [stderr]   --> src/openapi/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     external_docs: external_docs::ExternalDocs,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> tests/tf.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::OsStr`
[INFO] [stderr]  --> tests/tf.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ffi::OsStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> tests/tf.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> tests/tf.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]   --> tests/tf.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::path::PathBuf;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]   --> tests/tf.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::process::exit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string`
[INFO] [stderr]   --> tests/tf.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::string;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> tests/tf.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/openapi/version.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut split = s.split(".");
[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: unused import: `std::ffi::OsStr`
[INFO] [stderr]  --> tests/tf.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ffi::OsStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> tests/tf.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> tests/tf.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]   --> tests/tf.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::path::PathBuf;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]   --> tests/tf.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::process::exit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string`
[INFO] [stderr]   --> tests/tf.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::string;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `title`
[INFO] [stderr]  --> src/openapi/info.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     title: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `description`
[INFO] [stderr]  --> src/openapi/info.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     description: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `url`
[INFO] [stderr]  --> src/openapi/info.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     url: Option<url::URL>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_to_str_2`
[INFO] [stderr]    --> src/openapi/version.rs:174:8
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn test_to_str_2() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_ord_1`
[INFO] [stderr]    --> src/openapi/version.rs:184:8
[INFO] [stderr]     |
[INFO] [stderr] 184 |     fn test_ord_1() {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_ord_2`
[INFO] [stderr]    --> src/openapi/version.rs:203:8
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn test_ord_2() {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_ord_3`
[INFO] [stderr]    --> src/openapi/version.rs:222:8
[INFO] [stderr]     |
[INFO] [stderr] 222 |     fn test_ord_3() {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_eq`
[INFO] [stderr]    --> src/openapi/version.rs:241:8
[INFO] [stderr]     |
[INFO] [stderr] 241 |     fn test_eq() {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `version`
[INFO] [stderr]   --> src/openapi/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     version: version::Version,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `info`
[INFO] [stderr]   --> src/openapi/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     info: info::Info,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `servers`
[INFO] [stderr]   --> src/openapi/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     servers: servers::Servers,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `paths`
[INFO] [stderr]   --> src/openapi/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     paths: paths::Paths,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `components`
[INFO] [stderr]   --> src/openapi/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     components: components::Components,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `security`
[INFO] [stderr]   --> src/openapi/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     security: security::Security,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tags`
[INFO] [stderr]   --> src/openapi/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     tags: tags::Tags,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `external_docs`
[INFO] [stderr]   --> src/openapi/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     external_docs: external_docs::ExternalDocs,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uid`
[INFO] [stderr]   --> tests/tf.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let uid = Uuid::new_v4();
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_uid`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> tests/some_test.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let v = oats::Version {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uid`
[INFO] [stderr]   --> tests/tf.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let uid = Uuid::new_v4();
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_uid`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/tf.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let mut file_result = File::create(t.path.as_str());
[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]    --> tests/tf.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let mut file_result = File::create(t.path.as_str());
[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: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "a20c69610a32849f6103f7aa55c45a58af98f14fd3798ec40f454b95a95b9045"`
[INFO] running `"docker" "rm" "-f" "a20c69610a32849f6103f7aa55c45a58af98f14fd3798ec40f454b95a95b9045"`
[INFO] [stdout] a20c69610a32849f6103f7aa55c45a58af98f14fd3798ec40f454b95a95b9045
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4e85e648a2c50b64d44c261862f280e0ef592068ffeec7a73fd9a571736ebab3
[INFO] running `"docker" "start" "-a" "4e85e648a2c50b64d44c261862f280e0ef592068ffeec7a73fd9a571736ebab3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/openapi/version.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut split = s.split(".");
[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: field is never read: `title`
[INFO] [stderr]  --> src/openapi/info.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     title: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `description`
[INFO] [stderr]  --> src/openapi/info.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     description: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `url`
[INFO] [stderr]  --> src/openapi/info.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     url: Option<url::URL>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_to_str_2`
[INFO] [stderr]    --> src/openapi/version.rs:174:8
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn test_to_str_2() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_ord_1`
[INFO] [stderr]    --> src/openapi/version.rs:184:8
[INFO] [stderr]     |
[INFO] [stderr] 184 |     fn test_ord_1() {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_ord_2`
[INFO] [stderr]    --> src/openapi/version.rs:203:8
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn test_ord_2() {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_ord_3`
[INFO] [stderr]    --> src/openapi/version.rs:222:8
[INFO] [stderr]     |
[INFO] [stderr] 222 |     fn test_ord_3() {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_eq`
[INFO] [stderr]    --> src/openapi/version.rs:241:8
[INFO] [stderr]     |
[INFO] [stderr] 241 |     fn test_eq() {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `version`
[INFO] [stderr]   --> src/openapi/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     version: version::Version,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `info`
[INFO] [stderr]   --> src/openapi/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     info: info::Info,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `servers`
[INFO] [stderr]   --> src/openapi/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     servers: servers::Servers,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `paths`
[INFO] [stderr]   --> src/openapi/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     paths: paths::Paths,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `components`
[INFO] [stderr]   --> src/openapi/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     components: components::Components,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `security`
[INFO] [stderr]   --> src/openapi/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     security: security::Security,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tags`
[INFO] [stderr]   --> src/openapi/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     tags: tags::Tags,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `external_docs`
[INFO] [stderr]   --> src/openapi/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     external_docs: external_docs::ExternalDocs,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/openapi/version.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut split = s.split(".");
[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: field is never read: `title`
[INFO] [stderr]  --> src/openapi/info.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     title: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `description`
[INFO] [stderr]  --> src/openapi/info.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     description: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `url`
[INFO] [stderr]  --> src/openapi/info.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     url: Option<url::URL>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `version`
[INFO] [stderr]   --> src/openapi/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     version: version::Version,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `info`
[INFO] [stderr]   --> src/openapi/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     info: info::Info,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `servers`
[INFO] [stderr]   --> src/openapi/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     servers: servers::Servers,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `paths`
[INFO] [stderr]   --> src/openapi/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     paths: paths::Paths,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `components`
[INFO] [stderr]   --> src/openapi/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     components: components::Components,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `security`
[INFO] [stderr]   --> src/openapi/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     security: security::Security,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tags`
[INFO] [stderr]   --> src/openapi/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     tags: tags::Tags,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `external_docs`
[INFO] [stderr]   --> src/openapi/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     external_docs: external_docs::ExternalDocs,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> tests/tf.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::OsStr`
[INFO] [stderr]  --> tests/tf.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ffi::OsStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> tests/tf.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> tests/tf.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]   --> tests/tf.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::path::PathBuf;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]   --> tests/tf.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::process::exit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string`
[INFO] [stderr]   --> tests/tf.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::string;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uid`
[INFO] [stderr]   --> tests/tf.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let uid = Uuid::new_v4();
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_uid`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/tf.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let mut file_result = File::create(t.path.as_str());
[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: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> tests/tf.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::OsStr`
[INFO] [stderr]  --> tests/tf.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ffi::OsStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> tests/tf.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> tests/tf.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]   --> tests/tf.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::path::PathBuf;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]   --> tests/tf.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::process::exit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string`
[INFO] [stderr]   --> tests/tf.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::string;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uid`
[INFO] [stderr]   --> tests/tf.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let uid = Uuid::new_v4();
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_uid`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> tests/some_test.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let v = oats::Version {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/tf.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let mut file_result = File::create(t.path.as_str());
[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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/oats-867ff077f0b30a24
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test openapi::version::tests::test_parse_error_3 ... ok
[INFO] [stdout] test openapi::version::tests::test_parse_happy_2 ... ok
[INFO] [stdout] test openapi::version::tests::test_parse_error_1 ... ok
[INFO] [stdout] test openapi::version::tests::test_parse_error_2 ... ok
[INFO] [stdout] test openapi::version::tests::test_parse_happy_1 ... ok
[INFO] [stdout] test openapi::version::tests::test_parse_happy_3 ... ok
[INFO] [stdout] test openapi::version::tests::test_parse_happy_4 ... ok
[INFO] [stdout] test openapi::version::tests::test_parse_happy_5 ... ok
[INFO] [stdout] test openapi::version::tests::test_to_str_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/some_test-9ab6a1533555d726
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tf-d8308999a69d2597
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests oats
[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] [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" "4e85e648a2c50b64d44c261862f280e0ef592068ffeec7a73fd9a571736ebab3"`
[INFO] running `"docker" "rm" "-f" "4e85e648a2c50b64d44c261862f280e0ef592068ffeec7a73fd9a571736ebab3"`
[INFO] [stdout] 4e85e648a2c50b64d44c261862f280e0ef592068ffeec7a73fd9a571736ebab3