[INFO] cloning repository https://github.com/seungha-kim/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seungha-kim/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseungha-kim%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseungha-kim%2Frust-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0d68a9bf554865f68025307033b6466798698d7d [INFO] testing seungha-kim/rust-practice against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseungha-kim%2Frust-practice" "/workspace/builds/worker-97/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-97/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/seungha-kim/rust-practice on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/seungha-kim/rust-practice [INFO] finished tweaking git repo https://github.com/seungha-kim/rust-practice [INFO] tweaked toml for git repo https://github.com/seungha-kim/rust-practice written to /workspace/builds/worker-97/source/Cargo.toml [INFO] crate git repo https://github.com/seungha-kim/rust-practice already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 24266fb8c4194cecb8f020f87cb5ff979b0a69f308aa05a3666e2b7fefae1d7b [INFO] running `Command { std: "docker" "start" "-a" "24266fb8c4194cecb8f020f87cb5ff979b0a69f308aa05a3666e2b7fefae1d7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24266fb8c4194cecb8f020f87cb5ff979b0a69f308aa05a3666e2b7fefae1d7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24266fb8c4194cecb8f020f87cb5ff979b0a69f308aa05a3666e2b7fefae1d7b", kill_on_drop: false }` [INFO] [stdout] 24266fb8c4194cecb8f020f87cb5ff979b0a69f308aa05a3666e2b7fefae1d7b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6739203a743f3706aad18fe783941e4499fd44b65d26228d9e0a5faae6af4fd8 [INFO] running `Command { std: "docker" "start" "-a" "6739203a743f3706aad18fe783941e4499fd44b65d26228d9e0a5faae6af4fd8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling snakehead v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `num` [INFO] [stdout] --> src/copy/copy.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 4 | num: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `MyCopiable` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/copy/copy.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | #[derive(Clone, Copy, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.96s [INFO] running `Command { std: "docker" "inspect" "6739203a743f3706aad18fe783941e4499fd44b65d26228d9e0a5faae6af4fd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6739203a743f3706aad18fe783941e4499fd44b65d26228d9e0a5faae6af4fd8", kill_on_drop: false }` [INFO] [stdout] 6739203a743f3706aad18fe783941e4499fd44b65d26228d9e0a5faae6af4fd8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3328dafa2af1a6a33311bf6572f107f413cdc47d6e37102291d6ab0fc1f31296 [INFO] running `Command { std: "docker" "start" "-a" "3328dafa2af1a6a33311bf6572f107f413cdc47d6e37102291d6ab0fc1f31296", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling snakehead v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `num` [INFO] [stdout] --> src/copy/copy.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 4 | num: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `MyCopiable` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/copy/copy.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | #[derive(Clone, Copy, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `num` [INFO] [stdout] --> src/copy/copy.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 4 | num: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `MyCopiable` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/copy/copy.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | #[derive(Clone, Copy, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 27.20s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/snakehead-a6df133e99b3e8dc) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/snakehead-5141f1ef5eeac659) [INFO] running `Command { std: "docker" "inspect" "3328dafa2af1a6a33311bf6572f107f413cdc47d6e37102291d6ab0fc1f31296", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3328dafa2af1a6a33311bf6572f107f413cdc47d6e37102291d6ab0fc1f31296", kill_on_drop: false }` [INFO] [stdout] 3328dafa2af1a6a33311bf6572f107f413cdc47d6e37102291d6ab0fc1f31296 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 54babdc5e202d5fd57158d9d178aef0da8463087806608c7229133b41727c842 [INFO] running `Command { std: "docker" "start" "-a" "54babdc5e202d5fd57158d9d178aef0da8463087806608c7229133b41727c842", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `num` [INFO] [stderr] --> src/copy/copy.rs:4:3 [INFO] [stderr] | [INFO] [stderr] 4 | num: u32, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `MyCopiable` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/copy/copy.rs:2:10 [INFO] [stderr] | [INFO] [stderr] 2 | #[derive(Clone, Copy, Debug)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] running 22 tests [INFO] [stderr] warning: `snakehead` (lib) generated 1 warning [INFO] [stderr] warning: `snakehead` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 8.86s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/snakehead-a6df133e99b3e8dc) [INFO] [stdout] test closure::mutandonce::tests::capture_test ... ok [INFO] [stdout] test closure::mutandonce::tests::memo_copy_works ... ok [INFO] [stdout] test closure::mutandonce::tests::memo ... ok [INFO] [stdout] test closure::mutandonce::tests::memo_drop_works2 ... ok [INFO] [stdout] test closure::mutandonce::tests::memo_drop_works1 ... ok [INFO] [stdout] test closure::mutandonce::tests::works2 ... ok [INFO] [stdout] test closure::mutandonce::tests::works ... ok [INFO] [stdout] test collections::string::tests::string_plus ... ok [INFO] [stdout] test collections::vec::tests::add_works ... ok [INFO] [stdout] test collections::vec::tests::vec_get ... ok [INFO] [stdout] test collections::vec::tests::vec_ownership ... ok [INFO] [stdout] test collections::vec::tests::vec_mut_el ... ok [INFO] [stdout] test copy::copy::tests::copy_works ... ok [INFO] [stdout] test copy::copy::tests::drop_works ... ok [INFO] [stdout] test copy::copy::tests::reference_is_copiable ... ok [INFO] [stdout] test copy::copy::tests::reference_is_copiable2 ... ok [INFO] [stdout] test lifetime::longest::tests::longest_workd ... ok [INFO] [stdout] test smart::list::tests::list_works ... ok [INFO] [stdout] test smart::tests::test ... ok [INFO] [stdout] test traits::largest::tests::largest_ref_works ... ok [INFO] [stdout] test smart::tests::deref_coercion ... ok [INFO] [stdout] test traits::largest::tests::largest_works ... ok [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/snakehead-5141f1ef5eeac659) [INFO] [stdout] [INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests snakehead [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; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "54babdc5e202d5fd57158d9d178aef0da8463087806608c7229133b41727c842", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54babdc5e202d5fd57158d9d178aef0da8463087806608c7229133b41727c842", kill_on_drop: false }` [INFO] [stdout] 54babdc5e202d5fd57158d9d178aef0da8463087806608c7229133b41727c842