[INFO] fetching crate ruwren 0.4.1...
[INFO] testing ruwren-0.4.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate ruwren 0.4.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ruwren 0.4.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruwren 0.4.1
[INFO] finished tweaking crates.io crate ruwren 0.4.1
[INFO] tweaked toml for crates.io crate ruwren 0.4.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate ruwren 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termcolor v1.1.0
[INFO] [stderr]   Downloaded criterion-plot v0.4.2
[INFO] [stderr]   Downloaded js-sys v0.3.40
[INFO] [stderr]   Downloaded serde_derive v1.0.111
[INFO] [stderr]   Downloaded itoa v0.4.5
[INFO] [stderr]   Downloaded rayon v1.3.0
[INFO] [stderr]   Downloaded serde_json v1.0.53
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded num-traits v0.2.11
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.63
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.63
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.63
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded rayon-core v1.7.0
[INFO] [stderr]   Downloaded criterion v0.3.2
[INFO] [stderr]   Downloaded aho-corasick v0.7.10
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]   Downloaded oorandom v11.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.63
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
[INFO] [stderr]   Downloaded serde v1.0.111
[INFO] [stderr]   Downloaded web-sys v0.3.40
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded ruwren-sys v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", 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] c58fa890555f0adda5d0718c9ffeddd1151e11bd65c6760e1790f2fa6ab8f720
[INFO] running `Command { std: "docker" "start" "-a" "c58fa890555f0adda5d0718c9ffeddd1151e11bd65c6760e1790f2fa6ab8f720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c58fa890555f0adda5d0718c9ffeddd1151e11bd65c6760e1790f2fa6ab8f720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c58fa890555f0adda5d0718c9ffeddd1151e11bd65c6760e1790f2fa6ab8f720", kill_on_drop: false }`
[INFO] [stdout] c58fa890555f0adda5d0718c9ffeddd1151e11bd65c6760e1790f2fa6ab8f720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51c396316e9765cdd95d7af14b9e6af60550fd6c7aa1e1083fa531eee36a7928
[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" "51c396316e9765cdd95d7af14b9e6af60550fd6c7aa1e1083fa531eee36a7928", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling ruwren-sys v0.4.0
[INFO] [stderr]    Compiling ruwren v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.53s
[INFO] running `Command { std: "docker" "inspect" "51c396316e9765cdd95d7af14b9e6af60550fd6c7aa1e1083fa531eee36a7928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c396316e9765cdd95d7af14b9e6af60550fd6c7aa1e1083fa531eee36a7928", kill_on_drop: false }`
[INFO] [stdout] 51c396316e9765cdd95d7af14b9e6af60550fd6c7aa1e1083fa531eee36a7928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--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] 72e769f73a1020fdbd8946fcce9c996899a7e96a9c4fde66884b132f44f5f1a5
[INFO] running `Command { std: "docker" "start" "-a" "72e769f73a1020fdbd8946fcce9c996899a7e96a9c4fde66884b132f44f5f1a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling ruwren v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 48.46s
[INFO] running `Command { std: "docker" "inspect" "72e769f73a1020fdbd8946fcce9c996899a7e96a9c4fde66884b132f44f5f1a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e769f73a1020fdbd8946fcce9c996899a7e96a9c4fde66884b132f44f5f1a5", kill_on_drop: false }`
[INFO] [stdout] 72e769f73a1020fdbd8946fcce9c996899a7e96a9c4fde66884b132f44f5f1a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5553aa43d6b42d390a2d79aa8f52ed3ef33b11a6b9a49f1093e07955a84d756
[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" "d5553aa43d6b42d390a2d79aa8f52ed3ef33b11a6b9a49f1093e07955a84d756", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ruwren-77f9b68d04b55131)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::foreign_instance ... ok
[INFO] [stdout] test tests::init_vm ... ok
[INFO] [stdout] test tests::test_small_wren_program_call ... ok
[INFO] [stdout] test tests::test_script_module ... ok
[INFO] [stdout] test tests::test_small_wren_program ... ok
[INFO] [stdout] test tests::test_external_module ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ruwren
[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" "d5553aa43d6b42d390a2d79aa8f52ed3ef33b11a6b9a49f1093e07955a84d756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5553aa43d6b42d390a2d79aa8f52ed3ef33b11a6b9a49f1093e07955a84d756", kill_on_drop: false }`
[INFO] [stdout] d5553aa43d6b42d390a2d79aa8f52ed3ef33b11a6b9a49f1093e07955a84d756