[INFO] fetching crate smart 0.1.1...
[INFO] testing smart-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate smart 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate smart 0.1.1
[INFO] finished tweaking crates.io crate smart 0.1.1
[INFO] tweaked toml for crates.io crate smart 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate smart 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e773b7ffc1627320900373aebfe2f50365eae520b1c230cbe958f41c735689f
[INFO] running `Command { std: "docker" "start" "-a" "2e773b7ffc1627320900373aebfe2f50365eae520b1c230cbe958f41c735689f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e773b7ffc1627320900373aebfe2f50365eae520b1c230cbe958f41c735689f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e773b7ffc1627320900373aebfe2f50365eae520b1c230cbe958f41c735689f", kill_on_drop: false }`
[INFO] [stdout] 2e773b7ffc1627320900373aebfe2f50365eae520b1c230cbe958f41c735689f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a00bed8f701dc6f31354dd50821cf5abc240e323b73a772eeb423a8881d94611
[INFO] running `Command { std: "docker" "start" "-a" "a00bed8f701dc6f31354dd50821cf5abc240e323b73a772eeb423a8881d94611", kill_on_drop: false }`
[INFO] [stderr]    Compiling smart v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "a00bed8f701dc6f31354dd50821cf5abc240e323b73a772eeb423a8881d94611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00bed8f701dc6f31354dd50821cf5abc240e323b73a772eeb423a8881d94611", kill_on_drop: false }`
[INFO] [stdout] a00bed8f701dc6f31354dd50821cf5abc240e323b73a772eeb423a8881d94611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93242c57b638fd643e9b88c2baeb769b0c4a55e176fc62623b46603c358ab807
[INFO] running `Command { std: "docker" "start" "-a" "93242c57b638fd643e9b88c2baeb769b0c4a55e176fc62623b46603c358ab807", kill_on_drop: false }`
[INFO] [stderr]    Compiling smart v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]   --> src/tests.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     SyncPointer::from(SharedPointer::from(Rc::new(0)));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![deny(warnings, missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let _ = SyncPointer::from(SharedPointer::from(Rc::new(0)));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "93242c57b638fd643e9b88c2baeb769b0c4a55e176fc62623b46603c358ab807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93242c57b638fd643e9b88c2baeb769b0c4a55e176fc62623b46603c358ab807", kill_on_drop: false }`
[INFO] [stdout] 93242c57b638fd643e9b88c2baeb769b0c4a55e176fc62623b46603c358ab807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0617df0894ac0b335f305076313ef4f5eb3068b802562f6fdab431c82598cbd2
[INFO] running `Command { std: "docker" "start" "-a" "0617df0894ac0b335f305076313ef4f5eb3068b802562f6fdab431c82598cbd2", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]   --> src/tests.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     SyncPointer::from(SharedPointer::from(Rc::new(0)));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | #![deny(warnings, missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let _ = SyncPointer::from(SharedPointer::from(Rc::new(0)));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `smart` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smart-5a5b0a0cbfed3516)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::construct_shared_from_rc ... ok
[INFO] [stdout] test tests::construct_sync_from_arc ... ok
[INFO] [stdout] test tests::construct_sync_from_static ... ok
[INFO] [stdout] test tests::construct_shared_from_static ... ok
[INFO] [stdout] test tests::construct_shared_from_arc ... ok
[INFO] [stdout] test tests::convert_from_arc ... ok
[INFO] [stdout] test tests::convert_from_static ... ok
[INFO] [stdout] test tests::convert_from_rc_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smart
[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" "0617df0894ac0b335f305076313ef4f5eb3068b802562f6fdab431c82598cbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0617df0894ac0b335f305076313ef4f5eb3068b802562f6fdab431c82598cbd2", kill_on_drop: false }`
[INFO] [stdout] 0617df0894ac0b335f305076313ef4f5eb3068b802562f6fdab431c82598cbd2