[INFO] fetching crate bench 1.0.0...
[INFO] testing bench-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bench 1.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate bench 1.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bench 1.0.0
[INFO] finished tweaking crates.io crate bench 1.0.0
[INFO] tweaked toml for crates.io crate bench 1.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a78223806956798d3c5d943a1e8faaf360709015a51c437c314781764769a3ee
[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" "a78223806956798d3c5d943a1e8faaf360709015a51c437c314781764769a3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a78223806956798d3c5d943a1e8faaf360709015a51c437c314781764769a3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a78223806956798d3c5d943a1e8faaf360709015a51c437c314781764769a3ee", kill_on_drop: false }`
[INFO] [stdout] a78223806956798d3c5d943a1e8faaf360709015a51c437c314781764769a3ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcb7c1a1e977373dd01348cf370794d38351c19f9126d6d761a090f8a31b00da
[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" "dcb7c1a1e977373dd01348cf370794d38351c19f9126d6d761a090f8a31b00da", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast v0.1.0
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling simplelog v0.4.4
[INFO] [stderr]    Compiling criterion-stats v0.1.3
[INFO] [stderr]    Compiling loggerv v0.6.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling criterion-plot v0.1.3
[INFO] [stderr]    Compiling criterion v0.1.2
[INFO] [stderr]    Compiling bench v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.99s
[INFO] running `Command { std: "docker" "inspect" "dcb7c1a1e977373dd01348cf370794d38351c19f9126d6d761a090f8a31b00da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb7c1a1e977373dd01348cf370794d38351c19f9126d6d761a090f8a31b00da", kill_on_drop: false }`
[INFO] [stdout] dcb7c1a1e977373dd01348cf370794d38351c19f9126d6d761a090f8a31b00da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 50324eb761ee498267332dbe9a64a9bded3f46e83da089bce5941b8d1d2ce3a7
[INFO] running `Command { std: "docker" "start" "-a" "50324eb761ee498267332dbe9a64a9bded3f46e83da089bce5941b8d1d2ce3a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling bench v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "50324eb761ee498267332dbe9a64a9bded3f46e83da089bce5941b8d1d2ce3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50324eb761ee498267332dbe9a64a9bded3f46e83da089bce5941b8d1d2ce3a7", kill_on_drop: false }`
[INFO] [stdout] 50324eb761ee498267332dbe9a64a9bded3f46e83da089bce5941b8d1d2ce3a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a66593f634cf6f81f65ec39655aa1759b94bbece10345320aa844079e1299c1
[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" "8a66593f634cf6f81f65ec39655aa1759b94bbece10345320aa844079e1299c1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bench-39bc39bcc299cf76
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8a66593f634cf6f81f65ec39655aa1759b94bbece10345320aa844079e1299c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a66593f634cf6f81f65ec39655aa1759b94bbece10345320aa844079e1299c1", kill_on_drop: false }`
[INFO] [stdout] 8a66593f634cf6f81f65ec39655aa1759b94bbece10345320aa844079e1299c1