[INFO] fetching crate closure_cacher 0.2.1...
[INFO] testing closure_cacher-0.2.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate closure_cacher 0.2.1 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate closure_cacher 0.2.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate closure_cacher 0.2.1
[INFO] finished tweaking crates.io crate closure_cacher 0.2.1
[INFO] tweaked toml for crates.io crate closure_cacher 0.2.1 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24334061173fb0d343d31c22b819636eea5285216b8c0f03cb405da06df052ab
[INFO] running `Command { std: "docker" "start" "-a" "24334061173fb0d343d31c22b819636eea5285216b8c0f03cb405da06df052ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24334061173fb0d343d31c22b819636eea5285216b8c0f03cb405da06df052ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24334061173fb0d343d31c22b819636eea5285216b8c0f03cb405da06df052ab", kill_on_drop: false }`
[INFO] [stdout] 24334061173fb0d343d31c22b819636eea5285216b8c0f03cb405da06df052ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc83ea9be170fde639c1a6653f7e0d94452736ad88c8e85c8c15d0f57340d3c2
[INFO] running `Command { std: "docker" "start" "-a" "dc83ea9be170fde639c1a6653f7e0d94452736ad88c8e85c8c15d0f57340d3c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling closure_cacher v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "dc83ea9be170fde639c1a6653f7e0d94452736ad88c8e85c8c15d0f57340d3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc83ea9be170fde639c1a6653f7e0d94452736ad88c8e85c8c15d0f57340d3c2", kill_on_drop: false }`
[INFO] [stdout] dc83ea9be170fde639c1a6653f7e0d94452736ad88c8e85c8c15d0f57340d3c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 335890caf64335244cc9c1542b3196b48d175a756e371835321339a47e79dc03
[INFO] running `Command { std: "docker" "start" "-a" "335890caf64335244cc9c1542b3196b48d175a756e371835321339a47e79dc03", kill_on_drop: false }`
[INFO] [stderr]    Compiling closure_cacher v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "335890caf64335244cc9c1542b3196b48d175a756e371835321339a47e79dc03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335890caf64335244cc9c1542b3196b48d175a756e371835321339a47e79dc03", kill_on_drop: false }`
[INFO] [stdout] 335890caf64335244cc9c1542b3196b48d175a756e371835321339a47e79dc03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2677760b0e343ce299f07bfdf4e39763308fa0f8dd51fae02025a6c8626eabfa
[INFO] running `Command { std: "docker" "start" "-a" "2677760b0e343ce299f07bfdf4e39763308fa0f8dd51fae02025a6c8626eabfa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/closure_cacher-2bddbb37542aeb70)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::returns_closure_output_with_input_copy ... ok
[INFO] [stdout] test tests::returns_closure_output_with_input_referenced ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests closure_cacher
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Cacher (line 10) ... ok
[INFO] [stdout] test src/lib.rs - RefCacher (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2677760b0e343ce299f07bfdf4e39763308fa0f8dd51fae02025a6c8626eabfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2677760b0e343ce299f07bfdf4e39763308fa0f8dd51fae02025a6c8626eabfa", kill_on_drop: false }`
[INFO] [stdout] 2677760b0e343ce299f07bfdf4e39763308fa0f8dd51fae02025a6c8626eabfa