[INFO] cloning repository https://github.com/timokoesters/romeo-and-juliet-benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timokoesters/romeo-and-juliet-benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimokoesters%2Fromeo-and-juliet-benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimokoesters%2Fromeo-and-juliet-benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44687fa3dcd70c1275d3a30277a6282befa744bb
[INFO] testing timokoesters/romeo-and-juliet-benchmark against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimokoesters%2Fromeo-and-juliet-benchmark" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timokoesters/romeo-and-juliet-benchmark on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/timokoesters/romeo-and-juliet-benchmark
[INFO] finished tweaking git repo https://github.com/timokoesters/romeo-and-juliet-benchmark
[INFO] tweaked toml for git repo https://github.com/timokoesters/romeo-and-juliet-benchmark written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/timokoesters/romeo-and-juliet-benchmark already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 71d1c97fe1823c7b0281aa9a1240c1cdfef1ddfad18ec9db14f42171c1ec245d
[INFO] running `Command { std: "docker" "start" "-a" "71d1c97fe1823c7b0281aa9a1240c1cdfef1ddfad18ec9db14f42171c1ec245d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71d1c97fe1823c7b0281aa9a1240c1cdfef1ddfad18ec9db14f42171c1ec245d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d1c97fe1823c7b0281aa9a1240c1cdfef1ddfad18ec9db14f42171c1ec245d", kill_on_drop: false }`
[INFO] [stdout] 71d1c97fe1823c7b0281aa9a1240c1cdfef1ddfad18ec9db14f42171c1ec245d
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be0ac5dcc91070fc3facb4a0a208e8a7aa30f6b1e53f328f57034b6af9f49a87
[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" "be0ac5dcc91070fc3facb4a0a208e8a7aa30f6b1e53f328f57034b6af9f49a87", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling assign v1.1.0
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling tracing-core v0.1.14
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling strum_macros v0.19.2
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling strum v0.19.2
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling js_int v0.1.9
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling ruma-serde v0.2.3 (https://github.com/timokoesters/ruma?branch=timo-fixes#be025222)
[INFO] [stderr]    Compiling ruma-signatures v0.6.0-dev.1 (https://github.com/timokoesters/ruma?branch=timo-fixes#be025222)
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.1.1 (https://github.com/timokoesters/ruma?branch=timo-fixes#be025222)
[INFO] [stderr]    Compiling ruma-identifiers-macros v0.17.4 (https://github.com/timokoesters/ruma?branch=timo-fixes#be025222)
[INFO] [stderr]    Compiling ruma-api-macros v0.17.0-alpha.1 (https://github.com/timokoesters/ruma?branch=timo-fixes#be025222)
[INFO] [stderr]    Compiling ruma-events-macros v0.22.0-alpha.1 (https://github.com/timokoesters/ruma?branch=timo-fixes#be025222)
[INFO] [stderr]    Compiling ruma-identifiers v0.17.4 (https://github.com/timokoesters/ruma?branch=timo-fixes#be025222)
[INFO] [stderr]    Compiling ruma-common v0.2.0 (https://github.com/timokoesters/ruma?branch=timo-fixes#be025222)
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling ruma-api v0.17.0-alpha.1 (https://github.com/timokoesters/ruma?branch=timo-fixes#be025222)
[INFO] [stderr]    Compiling ruma-events v0.22.0-alpha.1 (https://github.com/timokoesters/ruma?branch=timo-fixes#be025222)
[INFO] [stderr]    Compiling ruma-client-api v0.10.0-alpha.1 (https://github.com/timokoesters/ruma?branch=timo-fixes#be025222)
[INFO] [stderr]    Compiling ruma-federation-api v0.0.3 (https://github.com/timokoesters/ruma?branch=timo-fixes#be025222)
[INFO] [stderr]    Compiling ruma-client v0.4.0 (https://github.com/timokoesters/ruma?branch=timo-fixes#be025222)
[INFO] [stderr]    Compiling ruma v0.0.1 (https://github.com/timokoesters/ruma?branch=timo-fixes#be025222)
[INFO] [stderr]    Compiling rjbench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 34s
[INFO] running `Command { std: "docker" "inspect" "be0ac5dcc91070fc3facb4a0a208e8a7aa30f6b1e53f328f57034b6af9f49a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0ac5dcc91070fc3facb4a0a208e8a7aa30f6b1e53f328f57034b6af9f49a87", kill_on_drop: false }`
[INFO] [stdout] be0ac5dcc91070fc3facb4a0a208e8a7aa30f6b1e53f328f57034b6af9f49a87
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89b9b315cc8ba3abb08e1f792b6b0381b82316b2e79d5b39dba1acb0cbfe09d7
[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" "89b9b315cc8ba3abb08e1f792b6b0381b82316b2e79d5b39dba1acb0cbfe09d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rjbench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "89b9b315cc8ba3abb08e1f792b6b0381b82316b2e79d5b39dba1acb0cbfe09d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b9b315cc8ba3abb08e1f792b6b0381b82316b2e79d5b39dba1acb0cbfe09d7", kill_on_drop: false }`
[INFO] [stdout] 89b9b315cc8ba3abb08e1f792b6b0381b82316b2e79d5b39dba1acb0cbfe09d7
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41c764cf6b31c6c24f7e6ac7b9c179516196f0cf46da413c7f2894904ffa5e4e
[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" "41c764cf6b31c6c24f7e6ac7b9c179516196f0cf46da413c7f2894904ffa5e4e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rjbench-29474dda306ac931)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "41c764cf6b31c6c24f7e6ac7b9c179516196f0cf46da413c7f2894904ffa5e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c764cf6b31c6c24f7e6ac7b9c179516196f0cf46da413c7f2894904ffa5e4e", kill_on_drop: false }`
[INFO] [stdout] 41c764cf6b31c6c24f7e6ac7b9c179516196f0cf46da413c7f2894904ffa5e4e