[INFO] fetching crate self-reference 0.2.2...
[INFO] testing self-reference-0.2.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate self-reference 0.2.2 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate self-reference 0.2.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d58dff274696efdfee5f4d1b08ea93532a78e78944f42d7ee04ed5a537d8a11d
[INFO] running `Command { std: "docker" "start" "-a" "d58dff274696efdfee5f4d1b08ea93532a78e78944f42d7ee04ed5a537d8a11d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d58dff274696efdfee5f4d1b08ea93532a78e78944f42d7ee04ed5a537d8a11d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58dff274696efdfee5f4d1b08ea93532a78e78944f42d7ee04ed5a537d8a11d", kill_on_drop: false }`
[INFO] [stdout] d58dff274696efdfee5f4d1b08ea93532a78e78944f42d7ee04ed5a537d8a11d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68863840cfb0ab77b05f68bef8340c953b932fc57cb1b861f5acaadce706f6f2
[INFO] running `Command { std: "docker" "start" "-a" "68863840cfb0ab77b05f68bef8340c953b932fc57cb1b861f5acaadce706f6f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling pin-project v1.1.10
[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 4.92s
[INFO] running `Command { std: "docker" "inspect" "68863840cfb0ab77b05f68bef8340c953b932fc57cb1b861f5acaadce706f6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68863840cfb0ab77b05f68bef8340c953b932fc57cb1b861f5acaadce706f6f2", kill_on_drop: false }`
[INFO] [stdout] 68863840cfb0ab77b05f68bef8340c953b932fc57cb1b861f5acaadce706f6f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 781809ed754370e66e92d81ec63f8ead03c2c2af75d94fb143e1f5b72e352a0f
[INFO] running `Command { std: "docker" "start" "-a" "781809ed754370e66e92d81ec63f8ead03c2c2af75d94fb143e1f5b72e352a0f", 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] [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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "781809ed754370e66e92d81ec63f8ead03c2c2af75d94fb143e1f5b72e352a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781809ed754370e66e92d81ec63f8ead03c2c2af75d94fb143e1f5b72e352a0f", kill_on_drop: false }`
[INFO] [stdout] 781809ed754370e66e92d81ec63f8ead03c2c2af75d94fb143e1f5b72e352a0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6d46bbb7aebb35cd8f0fc6ef34bc6965fc5d8692378d56cf3f39297007a17763
[INFO] running `Command { std: "docker" "start" "-a" "6d46bbb7aebb35cd8f0fc6ef34bc6965fc5d8692378d56cf3f39297007a17763", 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 0.03s
[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]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/self_reference-8371ee9be71eda00)
[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" "6d46bbb7aebb35cd8f0fc6ef34bc6965fc5d8692378d56cf3f39297007a17763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d46bbb7aebb35cd8f0fc6ef34bc6965fc5d8692378d56cf3f39297007a17763", kill_on_drop: false }`
[INFO] [stdout] 6d46bbb7aebb35cd8f0fc6ef34bc6965fc5d8692378d56cf3f39297007a17763