[INFO] fetching crate testdrop 0.1.2...
[INFO] testing testdrop-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate testdrop 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate testdrop 0.1.2 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 testdrop 0.1.2
[INFO] finished tweaking crates.io crate testdrop 0.1.2
[INFO] tweaked toml for crates.io crate testdrop 0.1.2 written to /workspace/builds/worker-2/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] 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-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" "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] [stdout] c58c4bba2aba0cd00b7a9e0c25198da9dfb65ab442555d0efed7441344da582a
[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" "c58c4bba2aba0cd00b7a9e0c25198da9dfb65ab442555d0efed7441344da582a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c58c4bba2aba0cd00b7a9e0c25198da9dfb65ab442555d0efed7441344da582a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c58c4bba2aba0cd00b7a9e0c25198da9dfb65ab442555d0efed7441344da582a", kill_on_drop: false }`
[INFO] [stdout] c58c4bba2aba0cd00b7a9e0c25198da9dfb65ab442555d0efed7441344da582a
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6e96201be3212b6b61f3fd421aa23733b311ae2efb597302b09af2aba34a98d7
[INFO] running `Command { std: "docker" "start" "-a" "6e96201be3212b6b61f3fd421aa23733b311ae2efb597302b09af2aba34a98d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling testdrop v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "6e96201be3212b6b61f3fd421aa23733b311ae2efb597302b09af2aba34a98d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e96201be3212b6b61f3fd421aa23733b311ae2efb597302b09af2aba34a98d7", kill_on_drop: false }`
[INFO] [stdout] 6e96201be3212b6b61f3fd421aa23733b311ae2efb597302b09af2aba34a98d7
[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" "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] [stdout] 6e9a243753c3c15c6fb0c2d8d9cd76c91e92945eb9b52a49fff0bc7772b4387a
[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" "6e9a243753c3c15c6fb0c2d8d9cd76c91e92945eb9b52a49fff0bc7772b4387a", kill_on_drop: false }`
[INFO] [stderr]    Compiling testdrop v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "6e9a243753c3c15c6fb0c2d8d9cd76c91e92945eb9b52a49fff0bc7772b4387a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9a243753c3c15c6fb0c2d8d9cd76c91e92945eb9b52a49fff0bc7772b4387a", kill_on_drop: false }`
[INFO] [stdout] 6e9a243753c3c15c6fb0c2d8d9cd76c91e92945eb9b52a49fff0bc7772b4387a
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f617a9753dad0000f7cbf9c4c41d0d4c4b737176d7cfd269564ca4ed17821709
[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" "f617a9753dad0000f7cbf9c4c41d0d4c4b737176d7cfd269564ca4ed17821709", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/testdrop-08ac6d3274f799fb
[INFO] [stdout] test tests::item_eq ... ok
[INFO] [stdout] test tests::count ... ok
[INFO] [stdout] test tests::item_debug ... ok
[INFO] [stdout] test tests::assert_drop ... ok
[INFO] [stdout] test tests::assert_no_drop ... ok
[INFO] [stdout] test tests::drop_more_than_once ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests testdrop
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f617a9753dad0000f7cbf9c4c41d0d4c4b737176d7cfd269564ca4ed17821709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f617a9753dad0000f7cbf9c4c41d0d4c4b737176d7cfd269564ca4ed17821709", kill_on_drop: false }`
[INFO] [stdout] f617a9753dad0000f7cbf9c4c41d0d4c4b737176d7cfd269564ca4ed17821709