[INFO] cloning repository https://github.com/utkarshkukreti/draco-starter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/utkarshkukreti/draco-starter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futkarshkukreti%2Fdraco-starter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futkarshkukreti%2Fdraco-starter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d01e691013d0a6f2de60cdbbc54a235a76ab095
[INFO] checking utkarshkukreti/draco-starter against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futkarshkukreti%2Fdraco-starter" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/utkarshkukreti/draco-starter on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/utkarshkukreti/draco-starter
[INFO] finished tweaking git repo https://github.com/utkarshkukreti/draco-starter
[INFO] tweaked toml for git repo https://github.com/utkarshkukreti/draco-starter written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/utkarshkukreti/draco-starter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.32
[INFO] [stderr]   Downloaded proc-macro2 v0.4.20
[INFO] [stderr]   Downloaded memchr v2.1.0
[INFO] [stderr]   Downloaded synstructure v0.10.0
[INFO] [stderr]   Downloaded nom v4.1.1
[INFO] [stderr]   Downloaded syn v0.15.13
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.25
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.25
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.25
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.19
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.25
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.25
[INFO] [stderr]   Downloaded draco v0.1.0
[INFO] [stderr]   Downloaded weedle v0.8.0
[INFO] [stderr]   Downloaded js-sys v0.3.2
[INFO] [stderr]   Downloaded web-sys v0.3.2
[INFO] [stderr]   Downloaded int_hash v0.1.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 31efc1b5acddd383f4136896d510963089097c0e28e45edb901d9f00b4175ba2
[INFO] running `Command { std: "docker" "start" "-a" "31efc1b5acddd383f4136896d510963089097c0e28e45edb901d9f00b4175ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31efc1b5acddd383f4136896d510963089097c0e28e45edb901d9f00b4175ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31efc1b5acddd383f4136896d510963089097c0e28e45edb901d9f00b4175ba2", kill_on_drop: false }`
[INFO] [stdout] 31efc1b5acddd383f4136896d510963089097c0e28e45edb901d9f00b4175ba2
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40186ffcd42f9cb33723f7b3a6433642b6e52dea873c8f003ad3a50f2c5e2f54
[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" "40186ffcd42f9cb33723f7b3a6433642b6e52dea873c8f003ad3a50f2c5e2f54", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.25
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling wasm-bindgen v0.2.25
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]     Checking int_hash v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.25
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.25
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.19
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.25
[INFO] [stderr]    Compiling web-sys v0.3.2
[INFO] [stderr]     Checking js-sys v0.3.2
[INFO] [stderr]     Checking draco v0.1.0
[INFO] [stderr]     Checking draco-starter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "40186ffcd42f9cb33723f7b3a6433642b6e52dea873c8f003ad3a50f2c5e2f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40186ffcd42f9cb33723f7b3a6433642b6e52dea873c8f003ad3a50f2c5e2f54", kill_on_drop: false }`
[INFO] [stdout] 40186ffcd42f9cb33723f7b3a6433642b6e52dea873c8f003ad3a50f2c5e2f54