[INFO] fetching crate slice-pool2 0.4.3...
[INFO] testing slice-pool2-0.4.3 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate slice-pool2 0.4.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate slice-pool2 0.4.3
[INFO] finished tweaking crates.io crate slice-pool2 0.4.3
[INFO] tweaked toml for crates.io crate slice-pool2 0.4.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slice-pool2 0.4.3 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c65ac753eca172d9163f0e23297c170754e27a72342528c5c37f55101afe0c80
[INFO] running `Command { std: "docker" "start" "-a" "c65ac753eca172d9163f0e23297c170754e27a72342528c5c37f55101afe0c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c65ac753eca172d9163f0e23297c170754e27a72342528c5c37f55101afe0c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c65ac753eca172d9163f0e23297c170754e27a72342528c5c37f55101afe0c80", kill_on_drop: false }`
[INFO] [stdout] c65ac753eca172d9163f0e23297c170754e27a72342528c5c37f55101afe0c80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ce8f80107a4b212481abc2178596c4ecd4718cd192cc0d1b23e76bfb911f587
[INFO] running `Command { std: "docker" "start" "-a" "3ce8f80107a4b212481abc2178596c4ecd4718cd192cc0d1b23e76bfb911f587", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-pool2 v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "3ce8f80107a4b212481abc2178596c4ecd4718cd192cc0d1b23e76bfb911f587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce8f80107a4b212481abc2178596c4ecd4718cd192cc0d1b23e76bfb911f587", kill_on_drop: false }`
[INFO] [stdout] 3ce8f80107a4b212481abc2178596c4ecd4718cd192cc0d1b23e76bfb911f587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00f9ff3bb5dcf8fb05fc055a8111d467a51a1b1bcea4af6d4081edca4c0ad3f8
[INFO] running `Command { std: "docker" "start" "-a" "00f9ff3bb5dcf8fb05fc055a8111d467a51a1b1bcea4af6d4081edca4c0ad3f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-pool2 v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "00f9ff3bb5dcf8fb05fc055a8111d467a51a1b1bcea4af6d4081edca4c0ad3f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00f9ff3bb5dcf8fb05fc055a8111d467a51a1b1bcea4af6d4081edca4c0ad3f8", kill_on_drop: false }`
[INFO] [stdout] 00f9ff3bb5dcf8fb05fc055a8111d467a51a1b1bcea4af6d4081edca4c0ad3f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db6082c15d2d8c4fba9ff066d4933353da873351bed31de5bbe8d4be759c07bf
[INFO] running `Command { std: "docker" "start" "-a" "db6082c15d2d8c4fba9ff066d4933353da873351bed31de5bbe8d4be759c07bf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slice_pool2-d677fbb4e9134666)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test sync::owned::tests::pool_fragmentation ... ok
[INFO] [stdout] test sync::owned::tests::pool_complex_fragmentation ... ok
[INFO] [stdout] test sync::owned::tests::pool_owned_thread ... ok
[INFO] [stdout] test unsync::owned::tests::pool_fragmentation ... ok
[INFO] [stdout] test sync::owned::tests::pool_owned_lifetime ... ok
[INFO] [stdout] test unsync::owned::tests::pool_owned_lifetime ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slice_pool2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 6) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `slice_pool` in this scope
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use slice_pool::sync::SlicePool;
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `slice_pool`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 7 | use slice_pool2::sync::SlicePool;
[INFO] [stdout]   |               +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db6082c15d2d8c4fba9ff066d4933353da873351bed31de5bbe8d4be759c07bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6082c15d2d8c4fba9ff066d4933353da873351bed31de5bbe8d4be759c07bf", kill_on_drop: false }`
[INFO] [stdout] db6082c15d2d8c4fba9ff066d4933353da873351bed31de5bbe8d4be759c07bf