[INFO] fetching crate purrchance 0.4.1...
[INFO] testing purrchance-0.4.1 against 1.52.1 for beta-1.52-2
[INFO] extracting crate purrchance 0.4.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate purrchance 0.4.1 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate purrchance 0.4.1
[INFO] finished tweaking crates.io crate purrchance 0.4.1
[INFO] tweaked toml for crates.io crate purrchance 0.4.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate purrchance 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8d3cdca320a21a8bda4aba9aafdf1857dc0c24faebdab5eee9fb384d4961e85
[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" "d8d3cdca320a21a8bda4aba9aafdf1857dc0c24faebdab5eee9fb384d4961e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8d3cdca320a21a8bda4aba9aafdf1857dc0c24faebdab5eee9fb384d4961e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d3cdca320a21a8bda4aba9aafdf1857dc0c24faebdab5eee9fb384d4961e85", kill_on_drop: false }`
[INFO] [stdout] d8d3cdca320a21a8bda4aba9aafdf1857dc0c24faebdab5eee9fb384d4961e85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] 0d38ab8513c5b59c710cf4b2b63d788adf206cdd37c116b7a6e09989c73e6082
[INFO] running `Command { std: "docker" "start" "-a" "0d38ab8513c5b59c710cf4b2b63d788adf206cdd37c116b7a6e09989c73e6082", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling purrchance v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.25s
[INFO] running `Command { std: "docker" "inspect" "0d38ab8513c5b59c710cf4b2b63d788adf206cdd37c116b7a6e09989c73e6082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d38ab8513c5b59c710cf4b2b63d788adf206cdd37c116b7a6e09989c73e6082", kill_on_drop: false }`
[INFO] [stdout] 0d38ab8513c5b59c710cf4b2b63d788adf206cdd37c116b7a6e09989c73e6082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0ffa44b0d5ad13365938c282d9b1d5342f5b4fc204ea3da974c7d1dabacc490
[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" "a0ffa44b0d5ad13365938c282d9b1d5342f5b4fc204ea3da974c7d1dabacc490", kill_on_drop: false }`
[INFO] [stderr]    Compiling purrchance v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "a0ffa44b0d5ad13365938c282d9b1d5342f5b4fc204ea3da974c7d1dabacc490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ffa44b0d5ad13365938c282d9b1d5342f5b4fc204ea3da974c7d1dabacc490", kill_on_drop: false }`
[INFO] [stdout] a0ffa44b0d5ad13365938c282d9b1d5342f5b4fc204ea3da974c7d1dabacc490
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 67498ec061661cfa341f19e7d823c381d2a76acacad46eecd4f161aa2ed90612
[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" "67498ec061661cfa341f19e7d823c381d2a76acacad46eecd4f161aa2ed90612", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/purrchance-5616c6830e42a45a)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::eval_valid_nonterminal ... ok
[INFO] [stdout] test tests::eval_terminals_expr ... ok
[INFO] [stdout] test tests::eval_loaded_grammar_comments_weights ... ok
[INFO] [stdout] test tests::eval_loaded_grammar_multiple_lists ... ok
[INFO] [stdout] test tests::eval_loaded_grammar_no_trailing_newline ... ok
[INFO] [stdout] test tests::eval_missing_nonterminal ... ok
[INFO] [stdout] test tests::eval_loaded_grammar_comments_fraction_weights_tabs2 ... ok
[INFO] [stdout] test tests::eval_loaded_grammar_comments_fraction_weights_tabs ... ok
[INFO] [stdout] test tests::eval_loaded_grammar_comments_fraction_weights3 ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/purrchance-f80d7005e2e610c7)
[INFO] [stderr]    Doc-tests purrchance
[INFO] [stdout] test tests::eval_loaded_grammar_comments ... ok
[INFO] [stdout] test tests::eval_terminal ... ok
[INFO] [stdout] test tests::eval_multiple_terminals_expr_list ... ok
[INFO] [stdout] test tests::eval_single_terminals_expr_list ... ok
[INFO] [stdout] test tests::eval_loaded_grammar ... ok
[INFO] [stdout] test tests::eval_empty_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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] [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" "67498ec061661cfa341f19e7d823c381d2a76acacad46eecd4f161aa2ed90612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67498ec061661cfa341f19e7d823c381d2a76acacad46eecd4f161aa2ed90612", kill_on_drop: false }`
[INFO] [stdout] 67498ec061661cfa341f19e7d823c381d2a76acacad46eecd4f161aa2ed90612