[INFO] fetching crate bigs 0.3.0...
[INFO] testing bigs-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate bigs 0.3.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate bigs 0.3.0 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 bigs 0.3.0
[INFO] finished tweaking crates.io crate bigs 0.3.0
[INFO] tweaked toml for crates.io crate bigs 0.3.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4471341ae9827546173913e6c42233649a12de9b8c8967e6f39ee44a4d56f020
[INFO] running `Command { std: "docker" "start" "-a" "4471341ae9827546173913e6c42233649a12de9b8c8967e6f39ee44a4d56f020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4471341ae9827546173913e6c42233649a12de9b8c8967e6f39ee44a4d56f020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4471341ae9827546173913e6c42233649a12de9b8c8967e6f39ee44a4d56f020", kill_on_drop: false }`
[INFO] [stdout] 4471341ae9827546173913e6c42233649a12de9b8c8967e6f39ee44a4d56f020
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bfeab27bea8c930add71d32945ffeb23204c1a703dd2b1cae281f0c4b739e90
[INFO] running `Command { std: "docker" "start" "-a" "7bfeab27bea8c930add71d32945ffeb23204c1a703dd2b1cae281f0c4b739e90", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling bigs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.74s
[INFO] running `Command { std: "docker" "inspect" "7bfeab27bea8c930add71d32945ffeb23204c1a703dd2b1cae281f0c4b739e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bfeab27bea8c930add71d32945ffeb23204c1a703dd2b1cae281f0c4b739e90", kill_on_drop: false }`
[INFO] [stdout] 7bfeab27bea8c930add71d32945ffeb23204c1a703dd2b1cae281f0c4b739e90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bf51a7318ef1d71f340a1e13465816798a9e9be19806cea242b4754d790b33c
[INFO] running `Command { std: "docker" "start" "-a" "0bf51a7318ef1d71f340a1e13465816798a9e9be19806cea242b4754d790b33c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling bigs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.45s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/bigs-e462855cb0042aeb)
[INFO] [stderr]   Executable tests/main.rs (/opt/rustwide/target/debug/deps/main-9c80f3bcfe6adb70)
[INFO] running `Command { std: "docker" "inspect" "0bf51a7318ef1d71f340a1e13465816798a9e9be19806cea242b4754d790b33c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf51a7318ef1d71f340a1e13465816798a9e9be19806cea242b4754d790b33c", kill_on_drop: false }`
[INFO] [stdout] 0bf51a7318ef1d71f340a1e13465816798a9e9be19806cea242b4754d790b33c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f38245379b6d3c4fccc0b95c4b2c6185d40e5a9ac96c3684f7449bf40c69fd9f
[INFO] running `Command { std: "docker" "start" "-a" "f38245379b6d3c4fccc0b95c4b2c6185d40e5a9ac96c3684f7449bf40c69fd9f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bigs-e462855cb0042aeb)
[INFO] [stderr]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-9c80f3bcfe6adb70)
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test error_if_parameters_do_not_fit ... ok
[INFO] [stdout] test graphs_have_the_right_parameters ... ok
[INFO] [stderr]    Doc-tests bigs
[INFO] [stdout] test sampling_is_reproducable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/graph.rs - graph::Graph::complete_graph (line 103) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph (line 41) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph (line 73) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph::remove_edge (line 200) ... ok
[INFO] [stdout] test src/sampler.rs - sampler::Sampler (line 74) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph::constraints (line 292) ... ok
[INFO] [stdout] test src/sampler.rs - sampler::Sampler (line 57) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph::variables (line 256) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph::insert_edge (line 142) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/sampler.rs - sampler::Sampler (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f38245379b6d3c4fccc0b95c4b2c6185d40e5a9ac96c3684f7449bf40c69fd9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38245379b6d3c4fccc0b95c4b2c6185d40e5a9ac96c3684f7449bf40c69fd9f", kill_on_drop: false }`
[INFO] [stdout] f38245379b6d3c4fccc0b95c4b2c6185d40e5a9ac96c3684f7449bf40c69fd9f