[INFO] fetching crate refpool 0.4.2...
[INFO] testing refpool-0.4.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate refpool 0.4.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate refpool 0.4.2 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate refpool 0.4.2
[INFO] finished tweaking crates.io crate refpool 0.4.2
[INFO] tweaked toml for crates.io crate refpool 0.4.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 9f1c8c8851df40e9e06fa93b739a8d1bd46a8371ce20b122f85d639edcd4d317
[INFO] running `Command { std: "docker" "start" "-a" "9f1c8c8851df40e9e06fa93b739a8d1bd46a8371ce20b122f85d639edcd4d317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f1c8c8851df40e9e06fa93b739a8d1bd46a8371ce20b122f85d639edcd4d317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1c8c8851df40e9e06fa93b739a8d1bd46a8371ce20b122f85d639edcd4d317", kill_on_drop: false }`
[INFO] [stdout] 9f1c8c8851df40e9e06fa93b739a8d1bd46a8371ce20b122f85d639edcd4d317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 007a683fc086819602824d206796f297fbf557e72a30d23d946b8e0b3325f08f
[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" "007a683fc086819602824d206796f297fbf557e72a30d23d946b8e0b3325f08f", kill_on_drop: false }`
[INFO] [stderr]    Compiling refpool v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "007a683fc086819602824d206796f297fbf557e72a30d23d946b8e0b3325f08f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007a683fc086819602824d206796f297fbf557e72a30d23d946b8e0b3325f08f", kill_on_drop: false }`
[INFO] [stdout] 007a683fc086819602824d206796f297fbf557e72a30d23d946b8e0b3325f08f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f348fd08abc92b0e2484e12fea31441274d0068609035afc64df72ddb054cab0
[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" "f348fd08abc92b0e2484e12fea31441274d0068609035afc64df72ddb054cab0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling refpool v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "f348fd08abc92b0e2484e12fea31441274d0068609035afc64df72ddb054cab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f348fd08abc92b0e2484e12fea31441274d0068609035afc64df72ddb054cab0", kill_on_drop: false }`
[INFO] [stdout] f348fd08abc92b0e2484e12fea31441274d0068609035afc64df72ddb054cab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] d7e5dca4add7217b4705d12c02881aa7b5ae44f7d8d3b6b8cc483d7e087043de
[INFO] running `Command { std: "docker" "start" "-a" "d7e5dca4add7217b4705d12c02881aa7b5ae44f7d8d3b6b8cc483d7e087043de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/refpool-00194839e6fcc7f8
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::option_of_ref_size_equals_ref_size ... ok
[INFO] [stdout] test test::unwrap_or_clone ... ok
[INFO] [stdout] test test::dropping_null ... ok
[INFO] [stdout] test test::dropping_sized ... ok
[INFO] [stdout] test test::null_pool_antics ... ok
[INFO] [stdout] test test::allocate_and_deallocate_a_bit ... 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 refpool
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test src/box_handle.rs - box_handle::PoolBox<A>::pin_default (line 121) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool (line 28) ... ok
[INFO] [stdout] test src/box_handle.rs - box_handle::PoolBox<A>::from_raw (line 203) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<A>::fill (line 111) ... ok
[INFO] [stdout] test src/box_handle.rs - box_handle::PoolBox<A>::pin (line 140) ... ok
[INFO] [stdout] test src/ref_handle.rs - ref_handle::PoolRef<A>::clone_from (line 88) ... ok
[INFO] [stdout] test src/box_handle.rs - box_handle::PoolBox<A>::new (line 70) ... ok
[INFO] [stdout] test src/box_handle.rs - box_handle::PoolBox<A>::ptr_eq (line 156) ... ok
[INFO] [stdout] test src/box_handle.rs - box_handle::PoolBox<A>::clone (line 250) ... ok
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] test src/box_handle.rs - box_handle::PoolBox<A>::clone_from (line 95) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<A>::fmt (line 195) ... ok
[INFO] [stdout] test src/box_handle.rs - box_handle::PoolBox<A>::default (line 40) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<A>::cast (line 144) ... ok
[INFO] [stdout] test src/ref_handle.rs - ref_handle::PoolRef<A>::default (line 33) ... ok
[INFO] [stdout] test src/ref_handle.rs - ref_handle::PoolRef<A>::pin (line 133) ... ok
[INFO] [stdout] test src/ref_handle.rs - ref_handle::PoolRef<A>::strong_count (line 325) ... ok
[INFO] [stdout] test src/ref_handle.rs - ref_handle::PoolRef<A>::try_unwrap (line 246) ... ok
[INFO] [stdout] test src/ref_handle.rs - ref_handle::PoolRef<A>::cloned (line 153) ... ok
[INFO] [stdout] test src/ref_handle.rs - ref_handle::PoolRef<A>::from_raw (line 364) ... ok
[INFO] [stdout] test src/ref_handle.rs - ref_handle::PoolRef<A>::make_mut (line 182) ... ok
[INFO] [stdout] test src/ref_handle.rs - ref_handle::PoolRef<A>::new (line 63) ... ok
[INFO] [stdout] test src/ref_handle.rs - ref_handle::PoolRef<A>::try_unwrap (line 255) ... ok
[INFO] [stdout] test src/ref_handle.rs - ref_handle::PoolRef<A>::get_mut (line 215) ... ok
[INFO] [stdout] test src/ref_handle.rs - ref_handle::PoolRef<A>::ptr_eq (line 310) ... ok
[INFO] [stdout] test src/ref_handle.rs - ref_handle::PoolRef<A>::pin_default (line 114) ... ok
[INFO] [stdout] test src/ref_handle.rs - ref_handle::PoolRef<A>::unwrap_or_clone (line 286) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d7e5dca4add7217b4705d12c02881aa7b5ae44f7d8d3b6b8cc483d7e087043de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e5dca4add7217b4705d12c02881aa7b5ae44f7d8d3b6b8cc483d7e087043de", kill_on_drop: false }`
[INFO] [stdout] d7e5dca4add7217b4705d12c02881aa7b5ae44f7d8d3b6b8cc483d7e087043de