[INFO] fetching crate squeak 0.2.0...
[INFO] testing squeak-0.2.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate squeak 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate squeak 0.2.0
[INFO] finished tweaking crates.io crate squeak 0.2.0
[INFO] tweaked toml for crates.io crate squeak 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate squeak 0.2.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84ccf97c03a9f24da100e1e14aeb9c91137cc38eaae241c2908511e37d947527
[INFO] running `Command { std: "docker" "start" "-a" "84ccf97c03a9f24da100e1e14aeb9c91137cc38eaae241c2908511e37d947527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84ccf97c03a9f24da100e1e14aeb9c91137cc38eaae241c2908511e37d947527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ccf97c03a9f24da100e1e14aeb9c91137cc38eaae241c2908511e37d947527", kill_on_drop: false }`
[INFO] [stdout] 84ccf97c03a9f24da100e1e14aeb9c91137cc38eaae241c2908511e37d947527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e3f0a78f007f2db1a6bb5ad94c9ceec6586a26e71d5816d7412c5fbeeb2e84c
[INFO] running `Command { std: "docker" "start" "-a" "8e3f0a78f007f2db1a6bb5ad94c9ceec6586a26e71d5816d7412c5fbeeb2e84c", kill_on_drop: false }`
[INFO] [stderr]    Compiling squeak v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "8e3f0a78f007f2db1a6bb5ad94c9ceec6586a26e71d5816d7412c5fbeeb2e84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3f0a78f007f2db1a6bb5ad94c9ceec6586a26e71d5816d7412c5fbeeb2e84c", kill_on_drop: false }`
[INFO] [stdout] 8e3f0a78f007f2db1a6bb5ad94c9ceec6586a26e71d5816d7412c5fbeeb2e84c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b4809a8b79c9f5e164a48f3d33da70a3eafff36509313eba965f3091d64a721
[INFO] running `Command { std: "docker" "start" "-a" "6b4809a8b79c9f5e164a48f3d33da70a3eafff36509313eba965f3091d64a721", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling squeak v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "6b4809a8b79c9f5e164a48f3d33da70a3eafff36509313eba965f3091d64a721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4809a8b79c9f5e164a48f3d33da70a3eafff36509313eba965f3091d64a721", kill_on_drop: false }`
[INFO] [stdout] 6b4809a8b79c9f5e164a48f3d33da70a3eafff36509313eba965f3091d64a721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cff51b8b02639889f24dc2fef6b88f3b3e65101a4569c780022e71839cd6ef8
[INFO] running `Command { std: "docker" "start" "-a" "6cff51b8b02639889f24dc2fef6b88f3b3e65101a4569c780022e71839cd6ef8", 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/squeak-23bac59bc7e17443)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_delegate.rs (/opt/rustwide/target/debug/deps/test_delegate-334d44d98921dd29)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test delegate_does_not_execute_unsubscribed_callbacks ... ok
[INFO] [stdout] test cannot_unsubscribe_using_subscription_from_a_different_delegate ... ok
[INFO] [stdout] test unsubscribing_within_callback_is_noop ... ok
[INFO] [stdout] test delegate_executes_callbacks ... ok
[INFO] [stdout] test can_subscribe_during_callback ... ok
[INFO] [stdout] test can_unsubscribe_using_response_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_observable.rs (/opt/rustwide/target/debug/deps/test_observable-a16f75703e365e03)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test observable_broadcasts_new_values ... ok
[INFO] [stdout] test observable_no_longer_notifies_after_unsubscribe ... 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 squeak
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/delegate.rs - delegate::Delegate<'_,()>::notify (line 130) ... ok
[INFO] [stdout] test src/observable.rs - observable::Observable<'o,T>::mutate (line 109) ... ok
[INFO] [stdout] test src/observable.rs - observable::Observable<'o,T>::delegate (line 86) ... ok
[INFO] [stdout] test src/delegate.rs - delegate::Delegate<'d,T>::unsubscribe (line 69) ... ok
[INFO] [stdout] test src/delegate.rs - delegate::Delegate<'d,T>::subscribe (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/delegate.rs - delegate::Delegate<'d,T>::broadcast (line 90) ... ok
[INFO] [stdout] test src/observable.rs - observable::Observable (line 8) ... ok
[INFO] [stdout] test src/observable.rs - observable::Observable<'o,T>::subscribe (line 48) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/observable.rs - observable::Observable<'o,T>::new (line 33) ... ok
[INFO] [stdout] test src/observable.rs - observable::Observable<'o,T>::unsubscribe (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6cff51b8b02639889f24dc2fef6b88f3b3e65101a4569c780022e71839cd6ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cff51b8b02639889f24dc2fef6b88f3b3e65101a4569c780022e71839cd6ef8", kill_on_drop: false }`
[INFO] [stdout] 6cff51b8b02639889f24dc2fef6b88f3b3e65101a4569c780022e71839cd6ef8