[INFO] fetching crate DifferentialEquations 0.1.0...
[INFO] testing DifferentialEquations-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate DifferentialEquations 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate DifferentialEquations 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate DifferentialEquations 0.1.0
[INFO] finished tweaking crates.io crate DifferentialEquations 0.1.0
[INFO] tweaked toml for crates.io crate DifferentialEquations 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34e3f1c06d50f405bd31306d610558e9d18beff4ff9e2592de7fedd878317944
[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" "34e3f1c06d50f405bd31306d610558e9d18beff4ff9e2592de7fedd878317944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34e3f1c06d50f405bd31306d610558e9d18beff4ff9e2592de7fedd878317944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e3f1c06d50f405bd31306d610558e9d18beff4ff9e2592de7fedd878317944", kill_on_drop: false }`
[INFO] [stdout] 34e3f1c06d50f405bd31306d610558e9d18beff4ff9e2592de7fedd878317944
[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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] e3a8c6957ea153da2c67fa1d52481641cbbef81b66c99498dbb8adc8cfc0de26
[INFO] running `Command { std: "docker" "start" "-a" "e3a8c6957ea153da2c67fa1d52481641cbbef81b66c99498dbb8adc8cfc0de26", kill_on_drop: false }`
[INFO] [stderr]    Compiling DifferentialEquations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `DifferentialEquations` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `differential_equations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "e3a8c6957ea153da2c67fa1d52481641cbbef81b66c99498dbb8adc8cfc0de26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a8c6957ea153da2c67fa1d52481641cbbef81b66c99498dbb8adc8cfc0de26", kill_on_drop: false }`
[INFO] [stdout] e3a8c6957ea153da2c67fa1d52481641cbbef81b66c99498dbb8adc8cfc0de26
[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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1131551c942f84a56f1646c10c1c19ebb994e99a9fcd1f6552c724e85da7b098
[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" "1131551c942f84a56f1646c10c1c19ebb994e99a9fcd1f6552c724e85da7b098", kill_on_drop: false }`
[INFO] [stdout] warning: crate `DifferentialEquations` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `differential_equations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling DifferentialEquations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `DifferentialEquations` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `differential_equations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "1131551c942f84a56f1646c10c1c19ebb994e99a9fcd1f6552c724e85da7b098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1131551c942f84a56f1646c10c1c19ebb994e99a9fcd1f6552c724e85da7b098", kill_on_drop: false }`
[INFO] [stdout] 1131551c942f84a56f1646c10c1c19ebb994e99a9fcd1f6552c724e85da7b098
[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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3e75c2a195169d7a7af3ebd4d965e15c8bab23c4bd5a6468fc8c55801b3cb97
[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" "d3e75c2a195169d7a7af3ebd4d965e15c8bab23c4bd5a6468fc8c55801b3cb97", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: crate `DifferentialEquations` should have a snake case name
[INFO] [stdout] running 1 test
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `differential_equations`
[INFO] [stderr] 
[INFO] [stderr] warning: `DifferentialEquations` (lib) generated 1 warning
[INFO] [stderr] warning: `DifferentialEquations` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/DifferentialEquations-339e64fd5e62e15f)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests DifferentialEquations
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d3e75c2a195169d7a7af3ebd4d965e15c8bab23c4bd5a6468fc8c55801b3cb97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e75c2a195169d7a7af3ebd4d965e15c8bab23c4bd5a6468fc8c55801b3cb97", kill_on_drop: false }`
[INFO] [stdout] d3e75c2a195169d7a7af3ebd4d965e15c8bab23c4bd5a6468fc8c55801b3cb97