[INFO] fetching crate ouroboros_examples 0.15.0... [INFO] testing ouroboros_examples-0.15.0 against 1.60.0 for beta-1.61-1 [INFO] extracting crate ouroboros_examples 0.15.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate ouroboros_examples 0.15.0 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ouroboros_examples 0.15.0 [INFO] finished tweaking crates.io crate ouroboros_examples 0.15.0 [INFO] tweaked toml for crates.io crate ouroboros_examples 0.15.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ouroboros v0.15.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a7ce46928cc4b641a64aa3ee4be81b70a22fd11f20a74157bcfdc91748ffa194 [INFO] running `Command { std: "docker" "start" "-a" "a7ce46928cc4b641a64aa3ee4be81b70a22fd11f20a74157bcfdc91748ffa194", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7ce46928cc4b641a64aa3ee4be81b70a22fd11f20a74157bcfdc91748ffa194", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7ce46928cc4b641a64aa3ee4be81b70a22fd11f20a74157bcfdc91748ffa194", kill_on_drop: false }` [INFO] [stdout] a7ce46928cc4b641a64aa3ee4be81b70a22fd11f20a74157bcfdc91748ffa194 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96a2717e0d02d0c922534dbd02188eb7735f19ab4c913ac4f492fdfb24f0e8a9 [INFO] running `Command { std: "docker" "start" "-a" "96a2717e0d02d0c922534dbd02188eb7735f19ab4c913ac4f492fdfb24f0e8a9", kill_on_drop: false }` [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Compiling aliasable v0.1.3 [INFO] [stderr] Compiling ouroboros_macro v0.15.0 [INFO] [stderr] Compiling ouroboros v0.15.0 [INFO] [stderr] Compiling ouroboros_examples v0.15.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | c: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `float_reference` [INFO] [stdout] --> src/lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | float_reference: &'this mut f32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `int_reference` [INFO] [stdout] --> src/lib.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | int_reference: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.45s [INFO] running `Command { std: "docker" "inspect" "96a2717e0d02d0c922534dbd02188eb7735f19ab4c913ac4f492fdfb24f0e8a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96a2717e0d02d0c922534dbd02188eb7735f19ab4c913ac4f492fdfb24f0e8a9", kill_on_drop: false }` [INFO] [stdout] 96a2717e0d02d0c922534dbd02188eb7735f19ab4c913ac4f492fdfb24f0e8a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9f87a4ffe0640cf11068aeb4686a34203d5c32b7a12a6c5f8972a3b0a6560ac [INFO] running `Command { std: "docker" "start" "-a" "a9f87a4ffe0640cf11068aeb4686a34203d5c32b7a12a6c5f8972a3b0a6560ac", kill_on_drop: false }` [INFO] [stderr] Compiling trybuild v1.0.59 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | c: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `float_reference` [INFO] [stdout] --> src/lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | float_reference: &'this mut f32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `int_reference` [INFO] [stdout] --> src/lib.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | int_reference: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tokio v1.17.0 [INFO] [stderr] Compiling ouroboros_examples v0.15.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | c: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `float_reference` [INFO] [stdout] --> src/lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | float_reference: &'this mut f32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `int_reference` [INFO] [stdout] --> src/lib.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | int_reference: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 9.16s [INFO] running `Command { std: "docker" "inspect" "a9f87a4ffe0640cf11068aeb4686a34203d5c32b7a12a6c5f8972a3b0a6560ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9f87a4ffe0640cf11068aeb4686a34203d5c32b7a12a6c5f8972a3b0a6560ac", kill_on_drop: false }` [INFO] [stdout] a9f87a4ffe0640cf11068aeb4686a34203d5c32b7a12a6c5f8972a3b0a6560ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7ecd7a28150b7866ac7a8a93235d4ae673273ffcd38de8d8c96a2a1cdf544f1d [INFO] running `Command { std: "docker" "start" "-a" "7ecd7a28150b7866ac7a8a93235d4ae673273ffcd38de8d8c96a2a1cdf544f1d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `data_ref` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | data_ref: &'this i32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `c` [INFO] [stderr] --> src/lib.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | c: &'this i32, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `float_reference` [INFO] [stderr] --> src/lib.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | float_reference: &'this mut f32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `int_reference` [INFO] [stderr] --> src/lib.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | int_reference: &'this i32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `data_ref` [INFO] [stderr] --> src/lib.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | data_ref: &'this i32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `ouroboros_examples` (lib) generated 5 warnings [INFO] [stderr] warning: `ouroboros_examples` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.29s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ouroboros_examples-9effb462fa1de43b) [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test ok_tests::async_try_new ... ok [INFO] [stdout] test ok_tests::async_new ... ok [INFO] [stdout] test ok_tests::box_and_mut_ref ... ok [INFO] [stdout] test ok_tests::box_and_ref ... ok [INFO] [stdout] test ok_tests::async_try_new_err ... ok [INFO] [stdout] test ok_tests::into_heads ... ok [INFO] [stdout] test ok_tests::single_lifetime ... ok [INFO] [stdout] test ok_tests::self_reference_with ... ok [INFO] [stdout] test ok_tests::double_lifetime ... ok [INFO] [stdout] test ok_tests::template_mess ... ok [INFO] [stdout] test ok_tests::try_new ... ok [INFO] [stdout] test ok_tests::try_new_err ... ok [INFO] [stdout] test ok_tests::try_new_recover_heads ... ok [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Checking aliasable v0.1.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling ouroboros_macro v0.15.0 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking ouroboros v0.15.0 [INFO] [stderr] Checking ouroboros_examples v0.15.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking ouroboros_examples-tests v0.0.0 (/opt/rustwide/target/tests/ouroboros_examples) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.63s [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] test src/fail_tests/auto_covariant.rs ... ok [INFO] [stderr] test src/fail_tests/borrow_before_declaration.rs ... ok [INFO] [stderr] test src/fail_tests/borrowchk_custom_drop.rs ... ok [INFO] [stderr] test src/fail_tests/borrowchk_external_lifetime.rs ... ok [INFO] [stderr] test src/fail_tests/double_mutable_borrow.rs ... ok [INFO] [stderr] test src/fail_tests/move_ref_outside_closure.rs ... ok [INFO] [stderr] test src/fail_tests/refuse_non_std_box.rs ... ok [INFO] [stderr] test src/fail_tests/use_after_free.rs ... ok [INFO] [stderr] test src/fail_tests/use_moved_ref_after_free.rs ... ok [INFO] [stderr] [INFO] [stderr] [INFO] [stdout] test ok_tests::compile_tests::fails_ok ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 13.82s [INFO] [stdout] [INFO] [stderr] Doc-tests ouroboros_examples [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] running `Command { std: "docker" "inspect" "7ecd7a28150b7866ac7a8a93235d4ae673273ffcd38de8d8c96a2a1cdf544f1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ecd7a28150b7866ac7a8a93235d4ae673273ffcd38de8d8c96a2a1cdf544f1d", kill_on_drop: false }` [INFO] [stdout] 7ecd7a28150b7866ac7a8a93235d4ae673273ffcd38de8d8c96a2a1cdf544f1d