[INFO] fetching crate concurrency-demo-benchmarks 0.0.8... [INFO] testing concurrency-demo-benchmarks-0.0.8 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate concurrency-demo-benchmarks 0.0.8 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate concurrency-demo-benchmarks 0.0.8 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate concurrency-demo-benchmarks 0.0.8 [INFO] finished tweaking crates.io crate concurrency-demo-benchmarks 0.0.8 [INFO] tweaked toml for crates.io crate concurrency-demo-benchmarks 0.0.8 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate concurrency-demo-benchmarks 0.0.8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 959f8be92b30ddccb0a31234ed686fb25306f87aa426a723dfe1153c625aa4bf [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" "959f8be92b30ddccb0a31234ed686fb25306f87aa426a723dfe1153c625aa4bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "959f8be92b30ddccb0a31234ed686fb25306f87aa426a723dfe1153c625aa4bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "959f8be92b30ddccb0a31234ed686fb25306f87aa426a723dfe1153c625aa4bf", kill_on_drop: false }` [INFO] [stdout] 959f8be92b30ddccb0a31234ed686fb25306f87aa426a723dfe1153c625aa4bf [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] b62b4321212c25eec0dea5722e640e9119d739b3c48247ed9f1a026bb7eb6074 [INFO] running `Command { std: "docker" "start" "-a" "b62b4321212c25eec0dea5722e640e9119d739b3c48247ed9f1a026bb7eb6074", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling futures-core v0.3.8 [INFO] [stderr] Compiling pin-project-lite v0.1.11 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling os_str_bytes v2.4.0 [INFO] [stderr] Compiling humantime v2.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling futures-task v0.3.8 [INFO] [stderr] Compiling textwrap v0.12.1 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling net2 v0.2.35 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling signal-hook-registry v1.2.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling crossbeam-queue v0.3.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling png v0.14.1 [INFO] [stderr] Compiling crossbeam v0.8.0 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.20 [INFO] [stderr] Compiling tiff v0.2.2 [INFO] [stderr] Compiling image v0.21.3 [INFO] [stderr] Compiling pin-project-internal v1.0.1 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Compiling tokio v0.2.23 [INFO] [stderr] Compiling pin-project v1.0.1 [INFO] [stderr] Compiling thiserror v1.0.22 [INFO] [stderr] Compiling futures-util v0.3.8 [INFO] [stderr] Compiling clap v3.0.0-beta.2 [INFO] [stderr] Compiling matplotrust v0.1.7 [INFO] [stderr] Compiling leaky-bucket v0.8.2 [INFO] [stderr] Compiling concurrency-demo-benchmarks v0.0.8 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 01s [INFO] running `Command { std: "docker" "inspect" "b62b4321212c25eec0dea5722e640e9119d739b3c48247ed9f1a026bb7eb6074", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b62b4321212c25eec0dea5722e640e9119d739b3c48247ed9f1a026bb7eb6074", kill_on_drop: false }` [INFO] [stdout] b62b4321212c25eec0dea5722e640e9119d739b3c48247ed9f1a026bb7eb6074 [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 47b51d39000031843dcf8a564f8f7127bd8cbd80aec310b6afd8ed159d6f17c5 [INFO] running `Command { std: "docker" "start" "-a" "47b51d39000031843dcf8a564f8f7127bd8cbd80aec310b6afd8ed159d6f17c5", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling half v1.6.0 [INFO] [stderr] Compiling oorandom v11.1.2 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling plotters v0.2.15 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling bstr v0.2.14 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling csv v1.1.4 [INFO] [stderr] Compiling tinytemplate v1.1.0 [INFO] [stderr] Compiling criterion v0.3.3 [INFO] [stderr] Compiling concurrency-demo-benchmarks v0.0.8 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 07s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/concurrency_demo_benchmarks-753c36e415b138ff) [INFO] running `Command { std: "docker" "inspect" "47b51d39000031843dcf8a564f8f7127bd8cbd80aec310b6afd8ed159d6f17c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47b51d39000031843dcf8a564f8f7127bd8cbd80aec310b6afd8ed159d6f17c5", kill_on_drop: false }` [INFO] [stdout] 47b51d39000031843dcf8a564f8f7127bd8cbd80aec310b6afd8ed159d6f17c5 [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1c1c164bcb32eab97fbb199606d997042dd653f8bb17b7b4124ce78e45bf093d [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" "1c1c164bcb32eab97fbb199606d997042dd653f8bb17b7b4124ce78e45bf093d", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.22s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concurrency_demo_benchmarks-753c36e415b138ff) [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" "1c1c164bcb32eab97fbb199606d997042dd653f8bb17b7b4124ce78e45bf093d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c1c164bcb32eab97fbb199606d997042dd653f8bb17b7b4124ce78e45bf093d", kill_on_drop: false }` [INFO] [stdout] 1c1c164bcb32eab97fbb199606d997042dd653f8bb17b7b4124ce78e45bf093d