[INFO] updating cached repository https://github.com/Berteun/rust-toy-list [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8c02b9732a93b89c6528d053069dafac7f7b6bfe [INFO] testing Berteun/rust-toy-list against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerteun%2Frust-toy-list" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Berteun/rust-toy-list on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Berteun/rust-toy-list [INFO] finished tweaking git repo https://github.com/Berteun/rust-toy-list [INFO] tweaked toml for git repo https://github.com/Berteun/rust-toy-list written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/Berteun/rust-toy-list already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3556eeb9e5b20bbd82559c9937269b20e58359bd1ceb37ad51d1f04c3b2f0790 [INFO] running `Command { std: "docker" "start" "-a" "3556eeb9e5b20bbd82559c9937269b20e58359bd1ceb37ad51d1f04c3b2f0790", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3556eeb9e5b20bbd82559c9937269b20e58359bd1ceb37ad51d1f04c3b2f0790", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3556eeb9e5b20bbd82559c9937269b20e58359bd1ceb37ad51d1f04c3b2f0790", kill_on_drop: false }` [INFO] [stdout] 3556eeb9e5b20bbd82559c9937269b20e58359bd1ceb37ad51d1f04c3b2f0790 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0325232233c5450e1dab980492442c97871c0afc7805baf875c33850f1342e74 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0325232233c5450e1dab980492442c97871c0afc7805baf875c33850f1342e74", kill_on_drop: false }` [INFO] [stderr] Compiling reverse v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: private type `list::Node` in public interface (error E0446) [INFO] [stdout] --> src/list/mod.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | / pub fn first(&self) -> Option<&Node> [INFO] [stdout] 66 | | { [INFO] [stdout] 67 | | match self.head [INFO] [stdout] 68 | | { [INFO] [stdout] ... | [INFO] [stdout] 71 | | } [INFO] [stdout] 72 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(private_in_public)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private type `list::Node` in public interface (error E0446) [INFO] [stdout] --> src/list/mod.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | / pub fn last(&self) -> Option<&Node> [INFO] [stdout] 75 | | { [INFO] [stdout] 76 | | match self.head { [INFO] [stdout] 77 | | Some(ref boxed_node) => Some(boxed_node.last()), [INFO] [stdout] 78 | | None => None [INFO] [stdout] 79 | | } [INFO] [stdout] 80 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/list/mod.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | mem::replace(self, new_list); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "0325232233c5450e1dab980492442c97871c0afc7805baf875c33850f1342e74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0325232233c5450e1dab980492442c97871c0afc7805baf875c33850f1342e74", kill_on_drop: false }` [INFO] [stdout] 0325232233c5450e1dab980492442c97871c0afc7805baf875c33850f1342e74 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc43c5f0145cb632d97a292a424596c4fc0c8cb4cbdb4636106507c34de766a9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "dc43c5f0145cb632d97a292a424596c4fc0c8cb4cbdb4636106507c34de766a9", kill_on_drop: false }` [INFO] [stderr] Compiling reverse v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: private type `list::Node` in public interface (error E0446) [INFO] [stdout] --> src/list/mod.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | / pub fn first(&self) -> Option<&Node> [INFO] [stdout] 66 | | { [INFO] [stdout] 67 | | match self.head [INFO] [stdout] 68 | | { [INFO] [stdout] ... | [INFO] [stdout] 71 | | } [INFO] [stdout] 72 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(private_in_public)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private type `list::Node` in public interface (error E0446) [INFO] [stdout] --> src/list/mod.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | / pub fn last(&self) -> Option<&Node> [INFO] [stdout] 75 | | { [INFO] [stdout] 76 | | match self.head { [INFO] [stdout] 77 | | Some(ref boxed_node) => Some(boxed_node.last()), [INFO] [stdout] 78 | | None => None [INFO] [stdout] 79 | | } [INFO] [stdout] 80 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/list/mod.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | mem::replace(self, new_list); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "dc43c5f0145cb632d97a292a424596c4fc0c8cb4cbdb4636106507c34de766a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc43c5f0145cb632d97a292a424596c4fc0c8cb4cbdb4636106507c34de766a9", kill_on_drop: false }` [INFO] [stdout] dc43c5f0145cb632d97a292a424596c4fc0c8cb4cbdb4636106507c34de766a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ba7164481ce29c7b750eb764f987761465486696618cd577e919b5cd0fbf0c72 [INFO] running `Command { std: "docker" "start" "-a" "ba7164481ce29c7b750eb764f987761465486696618cd577e919b5cd0fbf0c72", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: private type `list::Node` in public interface (error E0446) [INFO] [stdout] running 12 tests [INFO] [stderr] --> src/list/mod.rs:65:5 [INFO] [stdout] test list::create_node ... ok [INFO] [stderr] | [INFO] [stdout] test list::create_node_and_prepend ... ok [INFO] [stderr] 65 | / pub fn first(&self) -> Option<&Node> [INFO] [stdout] test list::test_last ... ok [INFO] [stderr] 66 | | { [INFO] [stdout] test list::test_last_append_prepend ... ok [INFO] [stderr] 67 | | match self.head [INFO] [stdout] test list::test_last_prepend ... ok [INFO] [stderr] 68 | | { [INFO] [stdout] test list::test_length ... ok [INFO] [stderr] ... | [INFO] [stdout] test list::test_reverse_longer ... ok [INFO] [stderr] 71 | | } [INFO] [stdout] test list::create_node_and_append ... ok [INFO] [stderr] 72 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(private_in_public)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: private type `list::Node` in public interface (error E0446) [INFO] [stderr] --> src/list/mod.rs:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | / pub fn last(&self) -> Option<&Node> [INFO] [stderr] 75 | | { [INFO] [stderr] 76 | | match self.head { [INFO] [stderr] 77 | | Some(ref boxed_node) => Some(boxed_node.last()), [INFO] [stderr] 78 | | None => None [INFO] [stderr] 79 | | } [INFO] [stderr] 80 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/list/mod.rs:110:9 [INFO] [stderr] | [INFO] [stderr] 110 | mem::replace(self, new_list); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/reverse-a64c54ba8517e8f8 [INFO] [stdout] test list::test_drop ... ok [INFO] [stdout] test list::test_reverse_singleton ... ok [INFO] [stdout] test list::test_drop_singleton ... ok [INFO] [stdout] test list::test_last_singleton ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ba7164481ce29c7b750eb764f987761465486696618cd577e919b5cd0fbf0c72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba7164481ce29c7b750eb764f987761465486696618cd577e919b5cd0fbf0c72", kill_on_drop: false }` [INFO] [stdout] ba7164481ce29c7b750eb764f987761465486696618cd577e919b5cd0fbf0c72