[INFO] fetching crate self-reference 0.2.2...
[INFO] testing self-reference-0.2.2 against 1.95.0 for beta-1.96-2
[INFO] extracting crate self-reference 0.2.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate self-reference 0.2.2
[INFO] finished tweaking crates.io crate self-reference 0.2.2
[INFO] tweaked toml for crates.io crate self-reference 0.2.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate self-reference 0.2.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6808a81cf4d08d8dcedda42ca77e59d0a69d4775dbb915db309e26a4388bad0d
[INFO] running `Command { std: "docker" "start" "-a" "6808a81cf4d08d8dcedda42ca77e59d0a69d4775dbb915db309e26a4388bad0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6808a81cf4d08d8dcedda42ca77e59d0a69d4775dbb915db309e26a4388bad0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6808a81cf4d08d8dcedda42ca77e59d0a69d4775dbb915db309e26a4388bad0d", kill_on_drop: false }`
[INFO] [stdout] 6808a81cf4d08d8dcedda42ca77e59d0a69d4775dbb915db309e26a4388bad0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d5b70dbea1e75b10b2d2e6519d61241d6b7684d414950e14fa274cae5872b48
[INFO] running `Command { std: "docker" "start" "-a" "1d5b70dbea1e75b10b2d2e6519d61241d6b7684d414950e14fa274cae5872b48", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling pin-project v1.1.11
[INFO] [stderr]    Compiling self-reference v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/utils.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     mem::forget(v);
[INFO] [stdout]    |     ^^^^^^^^^^^^-^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 argument has type `&<R as refs::RefDef>::Type<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 29 -     mem::forget(v);
[INFO] [stdout] 29 +     let _ = v;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/utils.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     mem::forget(v);
[INFO] [stdout]    |     ^^^^^^^^^^^^-^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 argument has type `&mut <R as refs::RefDef>::Type<'_>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 42 -     mem::forget(v);
[INFO] [stdout] 42 +     let _ = v;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "1d5b70dbea1e75b10b2d2e6519d61241d6b7684d414950e14fa274cae5872b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5b70dbea1e75b10b2d2e6519d61241d6b7684d414950e14fa274cae5872b48", kill_on_drop: false }`
[INFO] [stdout] 1d5b70dbea1e75b10b2d2e6519d61241d6b7684d414950e14fa274cae5872b48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7320129ec6680204be1d050bcbdefae863d413f5de14e7a598eaa1f0e8d12bda
[INFO] running `Command { std: "docker" "start" "-a" "7320129ec6680204be1d050bcbdefae863d413f5de14e7a598eaa1f0e8d12bda", kill_on_drop: false }`
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/utils.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     mem::forget(v);
[INFO] [stdout]    |     ^^^^^^^^^^^^-^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 argument has type `&<R as refs::RefDef>::Type<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 29 -     mem::forget(v);
[INFO] [stdout] 29 +     let _ = v;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling self-reference v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/utils.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     mem::forget(v);
[INFO] [stdout]    |     ^^^^^^^^^^^^-^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 argument has type `&mut <R as refs::RefDef>::Type<'_>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 42 -     mem::forget(v);
[INFO] [stdout] 42 +     let _ = v;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/utils.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     mem::forget(v);
[INFO] [stdout]    |     ^^^^^^^^^^^^-^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 argument has type `&<R as refs::RefDef>::Type<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 29 -     mem::forget(v);
[INFO] [stdout] 29 +     let _ = v;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/utils.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     mem::forget(v);
[INFO] [stdout]    |     ^^^^^^^^^^^^-^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 argument has type `&mut <R as refs::RefDef>::Type<'_>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 42 -     mem::forget(v);
[INFO] [stdout] 42 +     let _ = v;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "7320129ec6680204be1d050bcbdefae863d413f5de14e7a598eaa1f0e8d12bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7320129ec6680204be1d050bcbdefae863d413f5de14e7a598eaa1f0e8d12bda", kill_on_drop: false }`
[INFO] [stdout] 7320129ec6680204be1d050bcbdefae863d413f5de14e7a598eaa1f0e8d12bda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4cdd743a23b1e02a55321dde065bf9e461b0c9ffbe07f7786b18ae5a0a45955b
[INFO] running `Command { std: "docker" "start" "-a" "4cdd743a23b1e02a55321dde065bf9e461b0c9ffbe07f7786b18ae5a0a45955b", kill_on_drop: false }`
[INFO] [stderr] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/utils.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     mem::forget(v);
[INFO] [stderr]    |     ^^^^^^^^^^^^-^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 argument has type `&<R as refs::RefDef>::Type<'_>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 29 -     mem::forget(v);
[INFO] [stderr] 29 +     let _ = v;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/utils.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     mem::forget(v);
[INFO] [stderr]    |     ^^^^^^^^^^^^-^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 argument has type `&mut <R as refs::RefDef>::Type<'_>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 42 -     mem::forget(v);
[INFO] [stderr] 42 +     let _ = v;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `self-reference` (lib) generated 2 warnings
[INFO] [stderr] warning: `self-reference` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/self_reference-c385190f17a2334e)
[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 self_reference
[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" "4cdd743a23b1e02a55321dde065bf9e461b0c9ffbe07f7786b18ae5a0a45955b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cdd743a23b1e02a55321dde065bf9e461b0c9ffbe07f7786b18ae5a0a45955b", kill_on_drop: false }`
[INFO] [stdout] 4cdd743a23b1e02a55321dde065bf9e461b0c9ffbe07f7786b18ae5a0a45955b
