[INFO] fetching crate criterion_bencher_compat 0.3.3...
[INFO] testing criterion_bencher_compat-0.3.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate criterion_bencher_compat 0.3.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate criterion_bencher_compat 0.3.3 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 criterion_bencher_compat 0.3.3
[INFO] finished tweaking crates.io crate criterion_bencher_compat 0.3.3
[INFO] tweaked toml for crates.io crate criterion_bencher_compat 0.3.3 written to /workspace/builds/worker-10/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] acd79e98587d149a3e12fb95bbc6c51e6e019af2c7bc38865aa6a7584a3ae564
[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" "acd79e98587d149a3e12fb95bbc6c51e6e019af2c7bc38865aa6a7584a3ae564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acd79e98587d149a3e12fb95bbc6c51e6e019af2c7bc38865aa6a7584a3ae564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd79e98587d149a3e12fb95bbc6c51e6e019af2c7bc38865aa6a7584a3ae564", kill_on_drop: false }`
[INFO] [stdout] acd79e98587d149a3e12fb95bbc6c51e6e019af2c7bc38865aa6a7584a3ae564
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 5d5b90cd3c438c63065aaf8cd1c81eb54bd371b78091224f178e6c8dd2410871
[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" "5d5b90cd3c438c63065aaf8cd1c81eb54bd371b78091224f178e6c8dd2410871", kill_on_drop: false }`
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling criterion_bencher_compat v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.83s
[INFO] running `Command { std: "docker" "inspect" "5d5b90cd3c438c63065aaf8cd1c81eb54bd371b78091224f178e6c8dd2410871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d5b90cd3c438c63065aaf8cd1c81eb54bd371b78091224f178e6c8dd2410871", kill_on_drop: false }`
[INFO] [stdout] 5d5b90cd3c438c63065aaf8cd1c81eb54bd371b78091224f178e6c8dd2410871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 0cbf81887f8cd74d61cfffb8136f0cfd3cd5eab603bd62cbc8c5cb3d5b9b1ffa
[INFO] running `Command { std: "docker" "start" "-a" "0cbf81887f8cd74d61cfffb8136f0cfd3cd5eab603bd62cbc8c5cb3d5b9b1ffa", kill_on_drop: false }`
[INFO] [stderr]    Compiling criterion_bencher_compat v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "0cbf81887f8cd74d61cfffb8136f0cfd3cd5eab603bd62cbc8c5cb3d5b9b1ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cbf81887f8cd74d61cfffb8136f0cfd3cd5eab603bd62cbc8c5cb3d5b9b1ffa", kill_on_drop: false }`
[INFO] [stdout] 0cbf81887f8cd74d61cfffb8136f0cfd3cd5eab603bd62cbc8c5cb3d5b9b1ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 9bc291883a64567426c4cef202cfbe511426f102d32adf5a9413244c73fb8a1e
[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" "9bc291883a64567426c4cef202cfbe511426f102d32adf5a9413244c73fb8a1e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/criterion_bencher_compat-ea0e5270d1993c17
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests criterion_bencher_compat
[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] [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" "9bc291883a64567426c4cef202cfbe511426f102d32adf5a9413244c73fb8a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc291883a64567426c4cef202cfbe511426f102d32adf5a9413244c73fb8a1e", kill_on_drop: false }`
[INFO] [stdout] 9bc291883a64567426c4cef202cfbe511426f102d32adf5a9413244c73fb8a1e