[INFO] fetching crate squeak 0.2.0...
[INFO] testing squeak-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate squeak 0.2.0 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate squeak 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 161f61d6d00eabdbdf51de39a48786656f3a632df97846f1736b1f5b7454bef4
[INFO] running `Command { std: "docker" "start" "-a" "161f61d6d00eabdbdf51de39a48786656f3a632df97846f1736b1f5b7454bef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "161f61d6d00eabdbdf51de39a48786656f3a632df97846f1736b1f5b7454bef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161f61d6d00eabdbdf51de39a48786656f3a632df97846f1736b1f5b7454bef4", kill_on_drop: false }`
[INFO] [stdout] 161f61d6d00eabdbdf51de39a48786656f3a632df97846f1736b1f5b7454bef4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc02feb2e27f408c1825d6f8c43a51df05994730f55cc1bef09cbcbd964e28d4
[INFO] running `Command { std: "docker" "start" "-a" "fc02feb2e27f408c1825d6f8c43a51df05994730f55cc1bef09cbcbd964e28d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling squeak v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "fc02feb2e27f408c1825d6f8c43a51df05994730f55cc1bef09cbcbd964e28d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc02feb2e27f408c1825d6f8c43a51df05994730f55cc1bef09cbcbd964e28d4", kill_on_drop: false }`
[INFO] [stdout] fc02feb2e27f408c1825d6f8c43a51df05994730f55cc1bef09cbcbd964e28d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a843170813b1980d868cc0ec4126272c6d4a5cf8f204934a660a6b54a0b04a3e
[INFO] running `Command { std: "docker" "start" "-a" "a843170813b1980d868cc0ec4126272c6d4a5cf8f204934a660a6b54a0b04a3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[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 1.71s
[INFO] running `Command { std: "docker" "inspect" "a843170813b1980d868cc0ec4126272c6d4a5cf8f204934a660a6b54a0b04a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a843170813b1980d868cc0ec4126272c6d4a5cf8f204934a660a6b54a0b04a3e", kill_on_drop: false }`
[INFO] [stdout] a843170813b1980d868cc0ec4126272c6d4a5cf8f204934a660a6b54a0b04a3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96ff8b191685d309cce68e2b783b514372153c2e5d82a1ccbea0a2dd2463c95a
[INFO] running `Command { std: "docker" "start" "-a" "96ff8b191685d309cce68e2b783b514372153c2e5d82a1ccbea0a2dd2463c95a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/squeak-f4708c792debc1a5)
[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-960da9236e3f0d8d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test can_subscribe_during_callback ... ok
[INFO] [stdout] test can_unsubscribe_using_response_value ... ok
[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] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_observable.rs (/opt/rustwide/target/debug/deps/test_observable-9081a84f1dbceae3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test observable_no_longer_notifies_after_unsubscribe ... ok
[INFO] [stdout] test observable_broadcasts_new_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests squeak
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/observable.rs - observable::Observable<'o,T>::new (line 33) ... ok
[INFO] [stdout] test src/observable.rs - observable::Observable<'o,T>::delegate (line 86) ... ok
[INFO] [stdout] test src/observable.rs - observable::Observable<'o,T>::mutate (line 109) ... ok
[INFO] [stdout] test src/delegate.rs - delegate::Delegate<'_,()>::notify (line 130) ... ok
[INFO] [stdout] test src/observable.rs - observable::Observable (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/observable.rs - observable::Observable<'o,T>::unsubscribe (line 66) ... ok
[INFO] [stdout] test src/observable.rs - observable::Observable<'o,T>::subscribe (line 48) ... 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/delegate.rs - delegate::Delegate<'d,T>::broadcast (line 90) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.99s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "96ff8b191685d309cce68e2b783b514372153c2e5d82a1ccbea0a2dd2463c95a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ff8b191685d309cce68e2b783b514372153c2e5d82a1ccbea0a2dd2463c95a", kill_on_drop: false }`
[INFO] [stdout] 96ff8b191685d309cce68e2b783b514372153c2e5d82a1ccbea0a2dd2463c95a