[INFO] fetching crate ruwren 0.3.5...
[INFO] checking ruwren-0.3.5 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate ruwren 0.3.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ruwren 0.3.5 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruwren 0.3.5
[INFO] finished tweaking crates.io crate ruwren 0.3.5
[INFO] tweaked toml for crates.io crate ruwren 0.3.5 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate ruwren 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.63
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]   Downloaded js-sys v0.3.40
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.63
[INFO] [stderr]   Downloaded serde_derive v1.0.111
[INFO] [stderr]   Downloaded serde v1.0.111
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.63
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.63
[INFO] [stderr]   Downloaded web-sys v0.3.40
[INFO] [stderr]   Downloaded ruwren-sys v0.3.0
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a80f1db12a8f4a85ae7dc6ceb640d81a9fea2227c63e750d8922c0301252eae8
[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" "a80f1db12a8f4a85ae7dc6ceb640d81a9fea2227c63e750d8922c0301252eae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a80f1db12a8f4a85ae7dc6ceb640d81a9fea2227c63e750d8922c0301252eae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80f1db12a8f4a85ae7dc6ceb640d81a9fea2227c63e750d8922c0301252eae8", kill_on_drop: false }`
[INFO] [stdout] a80f1db12a8f4a85ae7dc6ceb640d81a9fea2227c63e750d8922c0301252eae8
[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=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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--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] 443139a518195c19b1a08c149eeec05ff378a10dc07d598ff22dd667c3c66315
[INFO] running `Command { std: "docker" "start" "-a" "443139a518195c19b1a08c149eeec05ff378a10dc07d598ff22dd667c3c66315", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling ruwren-sys v0.3.0
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr]     Checking ruwren v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "443139a518195c19b1a08c149eeec05ff378a10dc07d598ff22dd667c3c66315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443139a518195c19b1a08c149eeec05ff378a10dc07d598ff22dd667c3c66315", kill_on_drop: false }`
[INFO] [stdout] 443139a518195c19b1a08c149eeec05ff378a10dc07d598ff22dd667c3c66315