[INFO] fetching crate memoizer 0.2.2...
[INFO] testing memoizer-0.2.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate memoizer 0.2.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate memoizer 0.2.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memoizer 0.2.2
[INFO] finished tweaking crates.io crate memoizer 0.2.2
[INFO] tweaked toml for crates.io crate memoizer 0.2.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d7990ef576577e18303860ee759dc0911d8b75d2df2be1798dda4d66885b92e
[INFO] running `Command { std: "docker" "start" "-a" "9d7990ef576577e18303860ee759dc0911d8b75d2df2be1798dda4d66885b92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d7990ef576577e18303860ee759dc0911d8b75d2df2be1798dda4d66885b92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7990ef576577e18303860ee759dc0911d8b75d2df2be1798dda4d66885b92e", kill_on_drop: false }`
[INFO] [stdout] 9d7990ef576577e18303860ee759dc0911d8b75d2df2be1798dda4d66885b92e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ec4881fa458814d2beb743f900c23b6a74ff64a6230defc1a49aedfc0f41e8d
[INFO] running `Command { std: "docker" "start" "-a" "4ec4881fa458814d2beb743f900c23b6a74ff64a6230defc1a49aedfc0f41e8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoizer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "4ec4881fa458814d2beb743f900c23b6a74ff64a6230defc1a49aedfc0f41e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ec4881fa458814d2beb743f900c23b6a74ff64a6230defc1a49aedfc0f41e8d", kill_on_drop: false }`
[INFO] [stdout] 4ec4881fa458814d2beb743f900c23b6a74ff64a6230defc1a49aedfc0f41e8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2be64a09463a8fed393573ab94920f594a59b1ab7f7367a1c77e7257ccdd35c
[INFO] running `Command { std: "docker" "start" "-a" "d2be64a09463a8fed393573ab94920f594a59b1ab7f7367a1c77e7257ccdd35c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoizer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "d2be64a09463a8fed393573ab94920f594a59b1ab7f7367a1c77e7257ccdd35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2be64a09463a8fed393573ab94920f594a59b1ab7f7367a1c77e7257ccdd35c", kill_on_drop: false }`
[INFO] [stdout] d2be64a09463a8fed393573ab94920f594a59b1ab7f7367a1c77e7257ccdd35c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e8fb60953374b1a054113d0dd82a572805dc60b268f4f162aff69732b075a5b
[INFO] running `Command { std: "docker" "start" "-a" "0e8fb60953374b1a054113d0dd82a572805dc60b268f4f162aff69732b075a5b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/memoizer-530bc6b3125b3994)
[INFO] [stdout] test tests::memoization ... ok
[INFO] [stderr]    Doc-tests memoizer
[INFO] [stdout] test tests::structs ... ok
[INFO] [stdout] test tests::mixed_types ... ok
[INFO] [stdout] test tests::structs_by_ref ... ok
[INFO] [stdout] test tests::heap_returned ... ok
[INFO] [stdout] test tests::constructor ... ok
[INFO] [stdout] test tests::heap_allocated ... ok
[INFO] [stdout] test tests::multiple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Memoizer<U, V, F>::new (line 37) ... ok
[INFO] [stdout] test src/lib.rs - Memoizer<U, V, F>::value (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e8fb60953374b1a054113d0dd82a572805dc60b268f4f162aff69732b075a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e8fb60953374b1a054113d0dd82a572805dc60b268f4f162aff69732b075a5b", kill_on_drop: false }`
[INFO] [stdout] 0e8fb60953374b1a054113d0dd82a572805dc60b268f4f162aff69732b075a5b