[INFO] fetching crate pantry 1.0.2...
[INFO] testing pantry-1.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate pantry 1.0.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate pantry 1.0.2 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 pantry 1.0.2
[INFO] finished tweaking crates.io crate pantry 1.0.2
[INFO] tweaked toml for crates.io crate pantry 1.0.2 written to /workspace/builds/worker-14/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] b67d3cb4b6abbd669db651bb7facac79c92bb1b114ef97ced9d8ee59c22f12d3
[INFO] running `Command { std: "docker" "start" "-a" "b67d3cb4b6abbd669db651bb7facac79c92bb1b114ef97ced9d8ee59c22f12d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b67d3cb4b6abbd669db651bb7facac79c92bb1b114ef97ced9d8ee59c22f12d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67d3cb4b6abbd669db651bb7facac79c92bb1b114ef97ced9d8ee59c22f12d3", kill_on_drop: false }`
[INFO] [stdout] b67d3cb4b6abbd669db651bb7facac79c92bb1b114ef97ced9d8ee59c22f12d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4543e15c329db461d22691a5d2bb51aa917d5a856318062f241db366223db231
[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" "4543e15c329db461d22691a5d2bb51aa917d5a856318062f241db366223db231", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling pantry v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.86s
[INFO] running `Command { std: "docker" "inspect" "4543e15c329db461d22691a5d2bb51aa917d5a856318062f241db366223db231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4543e15c329db461d22691a5d2bb51aa917d5a856318062f241db366223db231", kill_on_drop: false }`
[INFO] [stdout] 4543e15c329db461d22691a5d2bb51aa917d5a856318062f241db366223db231
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] fe2c6c9b7fb363c9e90fc1279429802cff690ad6430bb86c8de44a5e05cb7c9e
[INFO] running `Command { std: "docker" "start" "-a" "fe2c6c9b7fb363c9e90fc1279429802cff690ad6430bb86c8de44a5e05cb7c9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling pantry v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.46s
[INFO] running `Command { std: "docker" "inspect" "fe2c6c9b7fb363c9e90fc1279429802cff690ad6430bb86c8de44a5e05cb7c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe2c6c9b7fb363c9e90fc1279429802cff690ad6430bb86c8de44a5e05cb7c9e", kill_on_drop: false }`
[INFO] [stdout] fe2c6c9b7fb363c9e90fc1279429802cff690ad6430bb86c8de44a5e05cb7c9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2e258c335c66bf35469ec835a030c9d8f53268665915aca07ef60811ea9b39c
[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" "c2e258c335c66bf35469ec835a030c9d8f53268665915aca07ef60811ea9b39c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pantry-8ae21cf0a727dca8
[INFO] [stdout] test tests::double_store_then_double_fetch_different_keys ... ok
[INFO] [stdout] test tests::double_store_then_double_fetch_same_key ... ok
[INFO] [stdout] test tests::store_perishible_then_fetch_without_perish ... ok
[INFO] [stdout] test tests::store_then_perish_then_fetch ... ok
[INFO] [stdout] test tests::double_store_then_one_perishes_then_double_fetch_same_key ... ok
[INFO] [stdout] test tests::fetch_without_store ... ok
[INFO] [stdout] test tests::store_then_double_fetch ... ok
[INFO] [stdout] test tests::store_then_fetch ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pantry
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Perishable (line 61) ... ok
[INFO] [stdout] test src/lib.rs - Pantry (line 335) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c2e258c335c66bf35469ec835a030c9d8f53268665915aca07ef60811ea9b39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e258c335c66bf35469ec835a030c9d8f53268665915aca07ef60811ea9b39c", kill_on_drop: false }`
[INFO] [stdout] c2e258c335c66bf35469ec835a030c9d8f53268665915aca07ef60811ea9b39c