[INFO] fetching crate tf_observer 0.1.1...
[INFO] testing tf_observer-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tf_observer 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tf_observer 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tf_observer 0.1.1
[INFO] finished tweaking crates.io crate tf_observer 0.1.1
[INFO] tweaked toml for crates.io crate tf_observer 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 549ed6e4643e294984e975e1b9fc3f236becc31881ed5c881d3fb7c21c455294
[INFO] running `Command { std: "docker" "start" "-a" "549ed6e4643e294984e975e1b9fc3f236becc31881ed5c881d3fb7c21c455294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "549ed6e4643e294984e975e1b9fc3f236becc31881ed5c881d3fb7c21c455294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549ed6e4643e294984e975e1b9fc3f236becc31881ed5c881d3fb7c21c455294", kill_on_drop: false }`
[INFO] [stdout] 549ed6e4643e294984e975e1b9fc3f236becc31881ed5c881d3fb7c21c455294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b89c0e689cd4fe65f49e3e444873faeb3d9826e029e7bd516527a637898c907c
[INFO] running `Command { std: "docker" "start" "-a" "b89c0e689cd4fe65f49e3e444873faeb3d9826e029e7bd516527a637898c907c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tf_observer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "b89c0e689cd4fe65f49e3e444873faeb3d9826e029e7bd516527a637898c907c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89c0e689cd4fe65f49e3e444873faeb3d9826e029e7bd516527a637898c907c", kill_on_drop: false }`
[INFO] [stdout] b89c0e689cd4fe65f49e3e444873faeb3d9826e029e7bd516527a637898c907c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2207d3b3fc56c1b73102805cef01a7d311dd80ec4d3cc65a4badeb3f099fc870
[INFO] running `Command { std: "docker" "start" "-a" "2207d3b3fc56c1b73102805cef01a7d311dd80ec4d3cc65a4badeb3f099fc870", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling termtree v0.2.4
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling fragile v1.1.0
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling assert-json-diff v2.0.1
[INFO] [stderr]    Compiling mockall_derive v0.10.2
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling predicates-tree v1.0.5
[INFO] [stderr]    Compiling mockito v0.30.0
[INFO] [stderr]    Compiling mockall v0.10.2
[INFO] [stderr]    Compiling tf_observer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.18s
[INFO] running `Command { std: "docker" "inspect" "2207d3b3fc56c1b73102805cef01a7d311dd80ec4d3cc65a4badeb3f099fc870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2207d3b3fc56c1b73102805cef01a7d311dd80ec4d3cc65a4badeb3f099fc870", kill_on_drop: false }`
[INFO] [stdout] 2207d3b3fc56c1b73102805cef01a7d311dd80ec4d3cc65a4badeb3f099fc870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c285549c8fd00baa7168c21b6dda1dd666478680e10b56f58797fde655504f5
[INFO] running `Command { std: "docker" "start" "-a" "1c285549c8fd00baa7168c21b6dda1dd666478680e10b56f58797fde655504f5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tf_observer-d5e7f835b1fda48a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::observer_list_notify ... ok
[INFO] [stdout] test test::observable_multi_observer ... ok
[INFO] [stdout] test test::observer_list_test_clone ... ok
[INFO] [stdout] test test::observer_list_test_drop_inactive ... ok
[INFO] [stderr]    Doc-tests tf_observer
[INFO] [stdout] test test::observer_list_attach_detach ... ok
[INFO] [stdout] test test::observer_list_test_clone_pre_attach ... 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] [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] running `Command { std: "docker" "inspect" "1c285549c8fd00baa7168c21b6dda1dd666478680e10b56f58797fde655504f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c285549c8fd00baa7168c21b6dda1dd666478680e10b56f58797fde655504f5", kill_on_drop: false }`
[INFO] [stdout] 1c285549c8fd00baa7168c21b6dda1dd666478680e10b56f58797fde655504f5