[INFO] fetching crate refreshable 2.0.0...
[INFO] testing refreshable-2.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate refreshable 2.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate refreshable 2.0.0
[INFO] finished tweaking crates.io crate refreshable 2.0.0
[INFO] tweaked toml for crates.io crate refreshable 2.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate refreshable 2.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arc-swap v1.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6b087659a5b2d11fc55745e4541331c8df6aa893eb037d6daa7d79feadff1bd
[INFO] running `Command { std: "docker" "start" "-a" "b6b087659a5b2d11fc55745e4541331c8df6aa893eb037d6daa7d79feadff1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6b087659a5b2d11fc55745e4541331c8df6aa893eb037d6daa7d79feadff1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b087659a5b2d11fc55745e4541331c8df6aa893eb037d6daa7d79feadff1bd", kill_on_drop: false }`
[INFO] [stdout] b6b087659a5b2d11fc55745e4541331c8df6aa893eb037d6daa7d79feadff1bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9d3753d852cbafe5ae23203f65009847c6105682ad5b3f4a66e907c6ac1fd9c
[INFO] running `Command { std: "docker" "start" "-a" "f9d3753d852cbafe5ae23203f65009847c6105682ad5b3f4a66e907c6ac1fd9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling refreshable v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "f9d3753d852cbafe5ae23203f65009847c6105682ad5b3f4a66e907c6ac1fd9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d3753d852cbafe5ae23203f65009847c6105682ad5b3f4a66e907c6ac1fd9c", kill_on_drop: false }`
[INFO] [stdout] f9d3753d852cbafe5ae23203f65009847c6105682ad5b3f4a66e907c6ac1fd9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a2fb7fcf1a5f8c730ebc2c4b20adc840cef4c3625cf01fc69f1b81e83f1fb1d
[INFO] running `Command { std: "docker" "start" "-a" "2a2fb7fcf1a5f8c730ebc2c4b20adc840cef4c3625cf01fc69f1b81e83f1fb1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling refreshable v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "2a2fb7fcf1a5f8c730ebc2c4b20adc840cef4c3625cf01fc69f1b81e83f1fb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a2fb7fcf1a5f8c730ebc2c4b20adc840cef4c3625cf01fc69f1b81e83f1fb1d", kill_on_drop: false }`
[INFO] [stdout] 2a2fb7fcf1a5f8c730ebc2c4b20adc840cef4c3625cf01fc69f1b81e83f1fb1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 191ac35cfb28caade8f54f8d896b33229fe869df6e859f6131a8bc1b886fb02c
[INFO] running `Command { std: "docker" "start" "-a" "191ac35cfb28caade8f54f8d896b33229fe869df6e859f6131a8bc1b886fb02c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/refreshable-7407d6f1a010ad23)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::equal_refresh_is_noop ... ok
[INFO] [stdout] test test::errors_are_stable ... ok
[INFO] [stdout] test test::error_on_subscribe_doesnt_stay ... ok
[INFO] [stdout] test test::map_error_propagation ... ok
[INFO] [stdout] test test::map_callback_cleanup ... ok
[INFO] [stdout] test test::subscribe_unsubscribe ... ok
[INFO] [stdout] test test::map_basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests refreshable
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "191ac35cfb28caade8f54f8d896b33229fe869df6e859f6131a8bc1b886fb02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191ac35cfb28caade8f54f8d896b33229fe869df6e859f6131a8bc1b886fb02c", kill_on_drop: false }`
[INFO] [stdout] 191ac35cfb28caade8f54f8d896b33229fe869df6e859f6131a8bc1b886fb02c