[INFO] fetching crate refreshable 2.0.0...
[INFO] testing refreshable-2.0.0 against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] extracting crate refreshable 2.0.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate refreshable 2.0.0 on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12813742d39e2837c00c7218fcba1bfa6f992725e8c2ee26bd4223b854645ad8
[INFO] running `Command { std: "docker" "start" "-a" "12813742d39e2837c00c7218fcba1bfa6f992725e8c2ee26bd4223b854645ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12813742d39e2837c00c7218fcba1bfa6f992725e8c2ee26bd4223b854645ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12813742d39e2837c00c7218fcba1bfa6f992725e8c2ee26bd4223b854645ad8", kill_on_drop: false }`
[INFO] [stdout] 12813742d39e2837c00c7218fcba1bfa6f992725e8c2ee26bd4223b854645ad8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b8d9b650b49e8a509642a6770597ecc1657e1a7b7eaaacfbb0ec5b1cb64eed4
[INFO] running `Command { std: "docker" "start" "-a" "6b8d9b650b49e8a509642a6770597ecc1657e1a7b7eaaacfbb0ec5b1cb64eed4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling lock_api v0.4.13
[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 2.81s
[INFO] running `Command { std: "docker" "inspect" "6b8d9b650b49e8a509642a6770597ecc1657e1a7b7eaaacfbb0ec5b1cb64eed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8d9b650b49e8a509642a6770597ecc1657e1a7b7eaaacfbb0ec5b1cb64eed4", kill_on_drop: false }`
[INFO] [stdout] 6b8d9b650b49e8a509642a6770597ecc1657e1a7b7eaaacfbb0ec5b1cb64eed4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3e7339ec0120e55c75c9dc20c2a9770d01218979ed4ec0489e5ea85a3d47df8
[INFO] running `Command { std: "docker" "start" "-a" "b3e7339ec0120e55c75c9dc20c2a9770d01218979ed4ec0489e5ea85a3d47df8", kill_on_drop: false }`
[INFO] [stderr]    Compiling refreshable v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "b3e7339ec0120e55c75c9dc20c2a9770d01218979ed4ec0489e5ea85a3d47df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3e7339ec0120e55c75c9dc20c2a9770d01218979ed4ec0489e5ea85a3d47df8", kill_on_drop: false }`
[INFO] [stdout] b3e7339ec0120e55c75c9dc20c2a9770d01218979ed4ec0489e5ea85a3d47df8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1211e95063bcaacba2d650301a68dbf4a4875ce66667621bd213bfd71b41f6cc
[INFO] running `Command { std: "docker" "start" "-a" "1211e95063bcaacba2d650301a68dbf4a4875ce66667621bd213bfd71b41f6cc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/refreshable-391444ddd7f51e7a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::equal_refresh_is_noop ... ok
[INFO] [stdout] test test::error_on_subscribe_doesnt_stay ... ok
[INFO] [stdout] test test::errors_are_stable ... ok
[INFO] [stdout] test test::map_callback_cleanup ... ok
[INFO] [stdout] test test::map_error_propagation ... ok
[INFO] [stdout] test test::map_basics ... ok
[INFO] [stderr]    Doc-tests refreshable
[INFO] [stdout] test test::subscribe_unsubscribe ... 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] [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 0.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1211e95063bcaacba2d650301a68dbf4a4875ce66667621bd213bfd71b41f6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1211e95063bcaacba2d650301a68dbf4a4875ce66667621bd213bfd71b41f6cc", kill_on_drop: false }`
[INFO] [stdout] 1211e95063bcaacba2d650301a68dbf4a4875ce66667621bd213bfd71b41f6cc