[INFO] fetching crate wrc 2.0.0...
[INFO] testing wrc-2.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wrc 2.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wrc 2.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wrc 2.0.0
[INFO] finished tweaking crates.io crate wrc 2.0.0
[INFO] tweaked toml for crates.io crate wrc 2.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a5c447e290ed46b261074a6483fe1298a183e61a6d3fda5c767a5f537926e90
[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" "0a5c447e290ed46b261074a6483fe1298a183e61a6d3fda5c767a5f537926e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a5c447e290ed46b261074a6483fe1298a183e61a6d3fda5c767a5f537926e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a5c447e290ed46b261074a6483fe1298a183e61a6d3fda5c767a5f537926e90", kill_on_drop: false }`
[INFO] [stdout] 0a5c447e290ed46b261074a6483fe1298a183e61a6d3fda5c767a5f537926e90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 250831727b141dd2e461bb0b73c356c20971fc33c5bfdf25c34470b2d4ef1e0f
[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" "250831727b141dd2e461bb0b73c356c20971fc33c5bfdf25c34470b2d4ef1e0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling wrc v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "250831727b141dd2e461bb0b73c356c20971fc33c5bfdf25c34470b2d4ef1e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "250831727b141dd2e461bb0b73c356c20971fc33c5bfdf25c34470b2d4ef1e0f", kill_on_drop: false }`
[INFO] [stdout] 250831727b141dd2e461bb0b73c356c20971fc33c5bfdf25c34470b2d4ef1e0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75d307ffbc7f2f468797aaa943dd76e1eb17853b0f7b45db359237aa78db7102
[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" "75d307ffbc7f2f468797aaa943dd76e1eb17853b0f7b45db359237aa78db7102", kill_on_drop: false }`
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling wrc v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.00s
[INFO] running `Command { std: "docker" "inspect" "75d307ffbc7f2f468797aaa943dd76e1eb17853b0f7b45db359237aa78db7102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d307ffbc7f2f468797aaa943dd76e1eb17853b0f7b45db359237aa78db7102", kill_on_drop: false }`
[INFO] [stdout] 75d307ffbc7f2f468797aaa943dd76e1eb17853b0f7b45db359237aa78db7102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 819d6c0418a5226837e158c2f059c6d7dd54693b71c7dc402d5a8d6b51c9cdfa
[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" "819d6c0418a5226837e158c2f059c6d7dd54693b71c7dc402d5a8d6b51c9cdfa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wrc-a30fa2fefa384a95)
[INFO] [stdout] running 19 tests
[INFO] [stderr]    Doc-tests wrc
[INFO] [stdout] test test::trait_test::implements_ord ... ok
[INFO] [stdout] test test::trait_test::implements_partial_ord ... ok
[INFO] [stdout] test test::trait_test::implemnts_fmt_display ... ok
[INFO] [stdout] test test::trait_test::implements_hash ... ok
[INFO] [stdout] test test::trait_test::implements_partial_eq ... ok
[INFO] [stdout] test test::wrc_test::initializes_with_default_weight ... ok
[INFO] [stdout] test test::wrc_test::more_weight_is_allocated_with_weight_exhausted ... ok
[INFO] [stdout] test test::wrc_test::dropping_refs_drops_weight_from_inner ... ok
[INFO] [stdout] test test::wrc_test::clone_splits_weight ... ok
[INFO] [stdout] test test::wrc_test::dropping_all_refs_drops_the_inner ... ok
[INFO] [stdout] test test::trait_test::implements_fmt_debug ... ok
[INFO] [stdout] test test::inner_test::weight_add_doesnt_overflow ... ok
[INFO] [stdout] test test::wrc_test::deref_mut ... ok
[INFO] [stdout] test test::inner_test::weight_drop_doesnt_overflow ... ok
[INFO] [stdout] test test::inner_test::weight_can_be_added ... ok
[INFO] [stdout] test test::inner_test::weight_can_be_dropped ... ok
[INFO] [stdout] test test::trait_test::implements_default ... ok
[INFO] [stdout] test test::inner_test::new_assigns_starting_weight ... ok
[INFO] [stdout] test test::async_test::wrcs_can_be_sent_between_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/wrc.rs - wrc::Wrc<T>::clone (line 184) ... ok
[INFO] [stdout] test src/wrc.rs - wrc::Wrc<T>::drop (line 218) ... ok
[INFO] [stdout] test src/wrc.rs - wrc::Wrc<T>::new (line 117) ... ok
[INFO] [stdout] test src/wrc.rs - wrc::Wrc (line 86) ... ok
[INFO] [stdout] test src/wrc.rs - wrc::Wrc (line 69) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "819d6c0418a5226837e158c2f059c6d7dd54693b71c7dc402d5a8d6b51c9cdfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819d6c0418a5226837e158c2f059c6d7dd54693b71c7dc402d5a8d6b51c9cdfa", kill_on_drop: false }`
[INFO] [stdout] 819d6c0418a5226837e158c2f059c6d7dd54693b71c7dc402d5a8d6b51c9cdfa