[INFO] cloning repository https://github.com/zielmicha/roboot3
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zielmicha/roboot3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzielmicha%2Froboot3"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzielmicha%2Froboot3'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 54cc5f436d199bf3ad414b564e603424ea55187f
[INFO] testing zielmicha/roboot3 against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzielmicha%2Froboot3" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zielmicha/roboot3 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/zielmicha/roboot3
[INFO] finished tweaking git repo https://github.com/zielmicha/roboot3
[INFO] tweaked toml for git repo https://github.com/zielmicha/roboot3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/zielmicha/roboot3 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]  Downloading crates ...
[INFO] [stderr]   Downloaded dynamic-arena v0.1.2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 3ab565b41669b0b6fce29e82fed4fed692f550854349313ac7e69e0883397527
[INFO] running `"docker" "start" "-a" "3ab565b41669b0b6fce29e82fed4fed692f550854349313ac7e69e0883397527"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling dynamic-arena v0.1.2
[INFO] [stderr]    Compiling roboot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/backref.rs:126:16
[INFO] [stderr]     |
[INFO] [stderr] 126 |     on_remove: (&'static dyn Fn(R<T>, V) -> ()),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/backref.rs:199:39
[INFO] [stderr]     |
[INFO] [stderr] 199 |     pub fn new(this: R<T>, on_remove: (&'static dyn Fn(R<T>, V) -> ())) -> Self {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/backref.rs:242:18
[INFO] [stderr]     |
[INFO] [stderr] 242 |     let fun_ptr: (fn(R<K>, &ArgType) -> ()) = std::mem::transmute(fun_ptr);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `borrow_mut`
[INFO] [stderr]   --> src/backref.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 |     unsafe fn borrow_mut<T>(&mut self) -> &mut T {
[INFO] [stderr]    |               ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]    --> src/backref.rs:195:12
[INFO] [stderr]     |
[INFO] [stderr] 195 |     pub fn add(&self, a: Rc<RInner>, value: V) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_this`
[INFO] [stderr]    --> src/backref.rs:208:12
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub fn get_this(&self) -> R<T> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "3ab565b41669b0b6fce29e82fed4fed692f550854349313ac7e69e0883397527"`
[INFO] running `"docker" "rm" "-f" "3ab565b41669b0b6fce29e82fed4fed692f550854349313ac7e69e0883397527"`
[INFO] [stdout] 3ab565b41669b0b6fce29e82fed4fed692f550854349313ac7e69e0883397527
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 770ad4dec60c634ac29d235d97408e42919133a4f7d71523d04b224793f5c270
[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" "770ad4dec60c634ac29d235d97408e42919133a4f7d71523d04b224793f5c270"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling roboot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/backref.rs:126:16
[INFO] [stderr]     |
[INFO] [stderr] 126 |     on_remove: (&'static dyn Fn(R<T>, V) -> ()),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/backref.rs:199:39
[INFO] [stderr]     |
[INFO] [stderr] 199 |     pub fn new(this: R<T>, on_remove: (&'static dyn Fn(R<T>, V) -> ())) -> Self {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/backref.rs:242:18
[INFO] [stderr]     |
[INFO] [stderr] 242 |     let fun_ptr: (fn(R<K>, &ArgType) -> ()) = std::mem::transmute(fun_ptr);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `borrow_mut`
[INFO] [stderr]   --> src/backref.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 |     unsafe fn borrow_mut<T>(&mut self) -> &mut T {
[INFO] [stderr]    |               ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]    --> src/backref.rs:195:12
[INFO] [stderr]     |
[INFO] [stderr] 195 |     pub fn add(&self, a: Rc<RInner>, value: V) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_this`
[INFO] [stderr]    --> src/backref.rs:208:12
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub fn get_this(&self) -> R<T> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `on_remove`
[INFO] [stderr]  --> src/backref_test.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn on_remove(this: R<i64>, value: i64) {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "770ad4dec60c634ac29d235d97408e42919133a4f7d71523d04b224793f5c270"`
[INFO] running `"docker" "rm" "-f" "770ad4dec60c634ac29d235d97408e42919133a4f7d71523d04b224793f5c270"`
[INFO] [stdout] 770ad4dec60c634ac29d235d97408e42919133a4f7d71523d04b224793f5c270
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 84aaccde4031f11510b8b960336272e6a8631cfc5c8f5a0975cedb3cebf87f15
[INFO] running `"docker" "start" "-a" "84aaccde4031f11510b8b960336272e6a8631cfc5c8f5a0975cedb3cebf87f15"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/backref.rs:126:16
[INFO] [stderr]     |
[INFO] [stderr] 126 |     on_remove: (&'static dyn Fn(R<T>, V) -> ()),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/backref.rs:199:39
[INFO] [stderr]     |
[INFO] [stderr] 199 |     pub fn new(this: R<T>, on_remove: (&'static dyn Fn(R<T>, V) -> ())) -> Self {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/backref.rs:242:18
[INFO] [stderr]     |
[INFO] [stderr] 242 |     let fun_ptr: (fn(R<K>, &ArgType) -> ()) = std::mem::transmute(fun_ptr);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `borrow_mut`
[INFO] [stderr]   --> src/backref.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 |     unsafe fn borrow_mut<T>(&mut self) -> &mut T {
[INFO] [stderr]    |               ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]    --> src/backref.rs:195:12
[INFO] [stderr]     |
[INFO] [stderr] 195 |     pub fn add(&self, a: Rc<RInner>, value: V) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_this`
[INFO] [stderr]    --> src/backref.rs:208:12
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub fn get_this(&self) -> R<T> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `on_remove`
[INFO] [stderr]  --> src/backref_test.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn on_remove(this: R<i64>, value: i64) {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/roboot-b21d649deb383f42
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test simple_tests::tests::t1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "84aaccde4031f11510b8b960336272e6a8631cfc5c8f5a0975cedb3cebf87f15"`
[INFO] running `"docker" "rm" "-f" "84aaccde4031f11510b8b960336272e6a8631cfc5c8f5a0975cedb3cebf87f15"`
[INFO] [stdout] 84aaccde4031f11510b8b960336272e6a8631cfc5c8f5a0975cedb3cebf87f15