[INFO] fetching crate gc 0.3.6...
[INFO] testing gc-0.3.6 against 1.49.0 for beta-1.50-1
[INFO] extracting crate gc 0.3.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate gc 0.3.6 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gc 0.3.6
[INFO] finished tweaking crates.io crate gc 0.3.6
[INFO] tweaked toml for crates.io crate gc 0.3.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 230b9530fcfd7d9b4c5baef318c35664101b49f0e30c40e42fb8b4be1a3deb56
[INFO] running `Command { std: "docker" "start" "-a" "230b9530fcfd7d9b4c5baef318c35664101b49f0e30c40e42fb8b4be1a3deb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "230b9530fcfd7d9b4c5baef318c35664101b49f0e30c40e42fb8b4be1a3deb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "230b9530fcfd7d9b4c5baef318c35664101b49f0e30c40e42fb8b4be1a3deb56", kill_on_drop: false }`
[INFO] [stdout] 230b9530fcfd7d9b4c5baef318c35664101b49f0e30c40e42fb8b4be1a3deb56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87809a25551c0a8d0c91236ce7e16c5df3df3cde68fd269e4e0a2a92c6c6e0df
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "87809a25551c0a8d0c91236ce7e16c5df3df3cde68fd269e4e0a2a92c6c6e0df", kill_on_drop: false }`
[INFO] [stderr]    Compiling gc v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "87809a25551c0a8d0c91236ce7e16c5df3df3cde68fd269e4e0a2a92c6c6e0df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87809a25551c0a8d0c91236ce7e16c5df3df3cde68fd269e4e0a2a92c6c6e0df", kill_on_drop: false }`
[INFO] [stdout] 87809a25551c0a8d0c91236ce7e16c5df3df3cde68fd269e4e0a2a92c6c6e0df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] da44d0d641d211dd36fa7473732883bb95716b95791208e6143dcb82d5aac887
[INFO] running `Command { std: "docker" "start" "-a" "da44d0d641d211dd36fa7473732883bb95716b95791208e6143dcb82d5aac887", kill_on_drop: false }`
[INFO] [stderr]    Compiling gc_derive v0.3.6
[INFO] [stderr]    Compiling gc v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `Command { std: "docker" "inspect" "da44d0d641d211dd36fa7473732883bb95716b95791208e6143dcb82d5aac887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da44d0d641d211dd36fa7473732883bb95716b95791208e6143dcb82d5aac887", kill_on_drop: false }`
[INFO] [stdout] da44d0d641d211dd36fa7473732883bb95716b95791208e6143dcb82d5aac887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] fe362922d729c57b88f08b244bdd4d532bed0a486a9a5d377ba58390b3854c75
[INFO] running `Command { std: "docker" "start" "-a" "fe362922d729c57b88f08b244bdd4d532bed0a486a9a5d377ba58390b3854c75", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gc-7b9065b36be1ff16
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/finalize-9e5cad1c50ad64cb
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gc_semantics-074c78094e37c742
[INFO] [stdout] test drop_triggers_finalize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test gccell_rooting ... ok
[INFO] [stdout] test basic_allocate ... ok
[INFO] [stdout] test basic_cycle_allocate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gymnastics_cycle-a424c757b58de2e4
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/i128-2a9d0e964cf3a62a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_cycle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trace_impl-e2d54681c153e400
[INFO] [stdout] test i128 ... ok
[INFO] [stdout] test u128 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gc
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - GcCell<T>::try_borrow (line 519) ... ok
[INFO] [stdout] test src/lib.rs - Gc<T>::new (line 64) ... ok
[INFO] [stdout] test src/lib.rs - GcCellRef::map (line 674) ... ok
[INFO] [stdout] test src/lib.rs - GcCellRefMut::map (line 794) ... ok
[INFO] [stdout] test src/lib.rs - GcCell<T>::try_borrow_mut (line 561) ... ok
[INFO] [stdout] test src/lib.rs - Gc<T>::from_raw (line 168) ... ok
[INFO] [stdout] test src/lib.rs - GcCellRef::map_split (line 709) ... ok
[INFO] [stdout] test src/lib.rs - Gc<T>::into_raw (line 142) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fe362922d729c57b88f08b244bdd4d532bed0a486a9a5d377ba58390b3854c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe362922d729c57b88f08b244bdd4d532bed0a486a9a5d377ba58390b3854c75", kill_on_drop: false }`
[INFO] [stdout] fe362922d729c57b88f08b244bdd4d532bed0a486a9a5d377ba58390b3854c75