[INFO] fetching crate safe_wren 0.1.0...
[INFO] testing safe_wren-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate safe_wren 0.1.0 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate safe_wren 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safe_wren 0.1.0
[INFO] finished tweaking crates.io crate safe_wren 0.1.0
[INFO] tweaked toml for crates.io crate safe_wren 0.1.0 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate crates.io crate safe_wren 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 147e1b29f7f3f2ac2e8b0d29a8142af98caf13db86b23051b4d47f2d1c16bc6e
[INFO] running `Command { std: "docker" "start" "-a" "147e1b29f7f3f2ac2e8b0d29a8142af98caf13db86b23051b4d47f2d1c16bc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "147e1b29f7f3f2ac2e8b0d29a8142af98caf13db86b23051b4d47f2d1c16bc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147e1b29f7f3f2ac2e8b0d29a8142af98caf13db86b23051b4d47f2d1c16bc6e", kill_on_drop: false }`
[INFO] [stdout] 147e1b29f7f3f2ac2e8b0d29a8142af98caf13db86b23051b4d47f2d1c16bc6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4d7f9bf3781dfb70327339ab015d5cb1e88e568c1d9d2ab493a760a82401c42
[INFO] running `Command { std: "docker" "start" "-a" "c4d7f9bf3781dfb70327339ab015d5cb1e88e568c1d9d2ab493a760a82401c42", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling safe_wren v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.78s
[INFO] running `Command { std: "docker" "inspect" "c4d7f9bf3781dfb70327339ab015d5cb1e88e568c1d9d2ab493a760a82401c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d7f9bf3781dfb70327339ab015d5cb1e88e568c1d9d2ab493a760a82401c42", kill_on_drop: false }`
[INFO] [stdout] c4d7f9bf3781dfb70327339ab015d5cb1e88e568c1d9d2ab493a760a82401c42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3111870ab343f27fe8d7ddb24116989596d39a4db16a96c63379d36b2e28e255
[INFO] running `Command { std: "docker" "start" "-a" "3111870ab343f27fe8d7ddb24116989596d39a4db16a96c63379d36b2e28e255", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe_wren v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "3111870ab343f27fe8d7ddb24116989596d39a4db16a96c63379d36b2e28e255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3111870ab343f27fe8d7ddb24116989596d39a4db16a96c63379d36b2e28e255", kill_on_drop: false }`
[INFO] [stdout] 3111870ab343f27fe8d7ddb24116989596d39a4db16a96c63379d36b2e28e255
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc495a8c96c17beda64c9d17fcbfcb74ffc217c4955bfb9a81487f66dac0b161
[INFO] running `Command { std: "docker" "start" "-a" "cc495a8c96c17beda64c9d17fcbfcb74ffc217c4955bfb9a81487f66dac0b161", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/safe_wren-28c76da5be10af78)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test float_to_string::tests::it_works ... ok
[INFO] [stdout] test vm::tests::value_num_hash_unique ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wren_debug-67f8ef248ae06910)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wren_test-7ab440e3b62ae746)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests safe_wren
[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" "cc495a8c96c17beda64c9d17fcbfcb74ffc217c4955bfb9a81487f66dac0b161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc495a8c96c17beda64c9d17fcbfcb74ffc217c4955bfb9a81487f66dac0b161", kill_on_drop: false }`
[INFO] [stdout] cc495a8c96c17beda64c9d17fcbfcb74ffc217c4955bfb9a81487f66dac0b161