[INFO] crate wrc 0.4.2 is already in cache
[INFO] testing wrc-0.4.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate wrc 0.4.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wrc 0.4.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wrc 0.4.2
[INFO] finished tweaking crates.io crate wrc 0.4.2
[INFO] tweaked toml for crates.io crate wrc 0.4.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aea1ca0480c52b81e6302acc988badcc0dd053307eca7300e8416b2f78474f7
[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" "5aea1ca0480c52b81e6302acc988badcc0dd053307eca7300e8416b2f78474f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aea1ca0480c52b81e6302acc988badcc0dd053307eca7300e8416b2f78474f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aea1ca0480c52b81e6302acc988badcc0dd053307eca7300e8416b2f78474f7", kill_on_drop: false }`
[INFO] [stdout] 5aea1ca0480c52b81e6302acc988badcc0dd053307eca7300e8416b2f78474f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d4048cc27435a9f949d30ab6040d9cc25e445b46771cee6afa04f25afef4c2f
[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" "5d4048cc27435a9f949d30ab6040d9cc25e445b46771cee6afa04f25afef4c2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling wrc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "5d4048cc27435a9f949d30ab6040d9cc25e445b46771cee6afa04f25afef4c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4048cc27435a9f949d30ab6040d9cc25e445b46771cee6afa04f25afef4c2f", kill_on_drop: false }`
[INFO] [stdout] 5d4048cc27435a9f949d30ab6040d9cc25e445b46771cee6afa04f25afef4c2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7212c2b46145e2356001d0d3b971e435fc7a737ec89df73728fdaca191610517
[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" "7212c2b46145e2356001d0d3b971e435fc7a737ec89df73728fdaca191610517", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling same-file v1.0.6
[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 atty v0.2.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling wrc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 43.60s
[INFO] running `Command { std: "docker" "inspect" "7212c2b46145e2356001d0d3b971e435fc7a737ec89df73728fdaca191610517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7212c2b46145e2356001d0d3b971e435fc7a737ec89df73728fdaca191610517", kill_on_drop: false }`
[INFO] [stdout] 7212c2b46145e2356001d0d3b971e435fc7a737ec89df73728fdaca191610517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 5cf75e1bf38b85a8c5d379000eb5608e0bbecfcacafe722474217a0931bf2ee2
[INFO] running `Command { std: "docker" "start" "-a" "5cf75e1bf38b85a8c5d379000eb5608e0bbecfcacafe722474217a0931bf2ee2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wrc-1a1826049a8c485f
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test::inner_test::new_assigns_starting_weight ... ok
[INFO] [stdout] test test::trait_test::implements_default ... ok
[INFO] [stdout] test test::trait_test::implements_hash ... ok
[INFO] [stdout] test test::inner_test::weight_can_be_added ... ok
[INFO] [stdout] test test::trait_test::implements_ord ... ok
[INFO] [stdout] test test::wrc_test::dropping_all_refs_drops_the_inner ... ok
[INFO] [stdout] test test::wrc_test::dropping_refs_drops_weight_from_inner ... ok
[INFO] [stdout] test test::inner_test::weight_drop_doesnt_overflow ... ok
[INFO] [stdout] test test::trait_test::implements_partial_eq ... ok
[INFO] [stdout] test test::inner_test::weight_can_be_dropped ... ok
[INFO] [stdout] test test::inner_test::weight_add_doesnt_overflow ... ok
[INFO] [stdout] test test::wrc_test::initializes_with_default_weight ... ok
[INFO] [stdout] test test::trait_test::implements_partial_ord ... ok
[INFO] [stdout] test test::wrc_test::clone_splits_weight ... ok
[INFO] [stdout] test test::trait_test::implemnts_fmt_display ... ok
[INFO] [stdout] test test::wrc_test::explicit_clone ... ok
[INFO] [stdout] test test::wrc_test::deref_mut ... ok
[INFO] [stdout] test test::trait_test::implements_fmt_debug ... ok
[INFO] [stdout] test test::async_test::wrcs_can_be_sent_between_threads ... ok
[INFO] [stdout] test test::wrc_test::more_weight_is_allocated_with_weight_exhausted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wrc
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/wrc.rs - wrc::WRC<T>::clone (line 216) ... ok
[INFO] [stdout] test src/wrc.rs - wrc::WRC<T>::clone (line 148) ... ok
[INFO] [stdout] test src/wrc.rs - wrc::WRC<T>::drop (line 234) ... ok
[INFO] [stdout] test src/wrc.rs - wrc::WRC (line 68) ... ok
[INFO] [stdout] test src/wrc.rs - wrc::WRC<T>::new (line 116) ... ok
[INFO] [stdout] test src/wrc.rs - wrc::WRC (line 85) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5cf75e1bf38b85a8c5d379000eb5608e0bbecfcacafe722474217a0931bf2ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf75e1bf38b85a8c5d379000eb5608e0bbecfcacafe722474217a0931bf2ee2", kill_on_drop: false }`
[INFO] [stdout] 5cf75e1bf38b85a8c5d379000eb5608e0bbecfcacafe722474217a0931bf2ee2