[INFO] fetching crate purrchance 0.4.1...
[INFO] testing purrchance-0.4.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate purrchance 0.4.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate purrchance 0.4.1 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 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-3/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5bb8814d1c52405eba114dde6cf2603adb91abfcb6dc84c3b8e612fbb49dc40c
[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" "5bb8814d1c52405eba114dde6cf2603adb91abfcb6dc84c3b8e612fbb49dc40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bb8814d1c52405eba114dde6cf2603adb91abfcb6dc84c3b8e612fbb49dc40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb8814d1c52405eba114dde6cf2603adb91abfcb6dc84c3b8e612fbb49dc40c", kill_on_drop: false }`
[INFO] [stdout] 5bb8814d1c52405eba114dde6cf2603adb91abfcb6dc84c3b8e612fbb49dc40c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c3d53a568fe97e0f859276dbbb84ddf8961cd6b441c3fa336ca2151f0100e7fa
[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" "c3d53a568fe97e0f859276dbbb84ddf8961cd6b441c3fa336ca2151f0100e7fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling nom v5.1.2
[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 18.24s
[INFO] running `Command { std: "docker" "inspect" "c3d53a568fe97e0f859276dbbb84ddf8961cd6b441c3fa336ca2151f0100e7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d53a568fe97e0f859276dbbb84ddf8961cd6b441c3fa336ca2151f0100e7fa", kill_on_drop: false }`
[INFO] [stdout] c3d53a568fe97e0f859276dbbb84ddf8961cd6b441c3fa336ca2151f0100e7fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 0f025248ab76adc557ee3bc9c3e1fe044a4e7dab844408097b94fe77ff540a6a
[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" "0f025248ab76adc557ee3bc9c3e1fe044a4e7dab844408097b94fe77ff540a6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling purrchance v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "0f025248ab76adc557ee3bc9c3e1fe044a4e7dab844408097b94fe77ff540a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f025248ab76adc557ee3bc9c3e1fe044a4e7dab844408097b94fe77ff540a6a", kill_on_drop: false }`
[INFO] [stdout] 0f025248ab76adc557ee3bc9c3e1fe044a4e7dab844408097b94fe77ff540a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] aa08a661686cae2ba3c0d63f38f0e23d0a9cf9ae52122e6707c9477e740b9853
[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" "aa08a661686cae2ba3c0d63f38f0e23d0a9cf9ae52122e6707c9477e740b9853", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/purrchance-e7123914e9af5333
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::eval_loaded_grammar ... ok
[INFO] [stdout] test tests::eval_loaded_grammar_comments_fraction_weights_tabs ... ok
[INFO] [stdout] test tests::eval_multiple_terminals_expr_list ... ok
[INFO] [stdout] test tests::eval_loaded_grammar_multiple_lists ... ok
[INFO] [stdout] test tests::eval_single_terminals_expr_list ... ok
[INFO] [stdout] test tests::eval_terminal ... ok
[INFO] [stdout] test tests::eval_loaded_grammar_comments ... ok
[INFO] [stdout] test tests::eval_valid_nonterminal ... ok
[INFO] [stdout] test tests::eval_loaded_grammar_comments_weights ... ok
[INFO] [stdout] test tests::eval_loaded_grammar_comments_fraction_weights3 ... ok
[INFO] [stdout] test tests::eval_loaded_grammar_no_trailing_newline ... ok
[INFO] [stdout] test tests::eval_terminals_expr ... ok
[INFO] [stdout] test tests::eval_missing_nonterminal ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/purrchance-11e1dae98c39cd37
[INFO] [stdout] test tests::eval_loaded_grammar_comments_fraction_weights_tabs2 ... 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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests purrchance
[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] [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" "aa08a661686cae2ba3c0d63f38f0e23d0a9cf9ae52122e6707c9477e740b9853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa08a661686cae2ba3c0d63f38f0e23d0a9cf9ae52122e6707c9477e740b9853", kill_on_drop: false }`
[INFO] [stdout] aa08a661686cae2ba3c0d63f38f0e23d0a9cf9ae52122e6707c9477e740b9853