[INFO] cloning repository https://github.com/IEEE-VIT/snek
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IEEE-VIT/snek" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIEEE-VIT%2Fsnek", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIEEE-VIT%2Fsnek'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0f42b6235ceca4ec655d9e4da1c6171fc0ed514
[INFO] checking IEEE-VIT/snek against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIEEE-VIT%2Fsnek" "/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/IEEE-VIT/snek on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IEEE-VIT/snek
[INFO] finished tweaking git repo https://github.com/IEEE-VIT/snek
[INFO] tweaked toml for git repo https://github.com/IEEE-VIT/snek written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/IEEE-VIT/snek already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a21e4b80476dc0e11d49b19b8a1091346bf6011b153fb089f5e5b754b89dd38f
[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" "a21e4b80476dc0e11d49b19b8a1091346bf6011b153fb089f5e5b754b89dd38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a21e4b80476dc0e11d49b19b8a1091346bf6011b153fb089f5e5b754b89dd38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a21e4b80476dc0e11d49b19b8a1091346bf6011b153fb089f5e5b754b89dd38f", kill_on_drop: false }`
[INFO] [stdout] a21e4b80476dc0e11d49b19b8a1091346bf6011b153fb089f5e5b754b89dd38f
[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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] 75b21c7d0ffbcb9562001bc8e607dd4834dadfd95b8be8376f182a73f50041fb
[INFO] running `Command { std: "docker" "start" "-a" "75b21c7d0ffbcb9562001bc8e607dd4834dadfd95b8be8376f182a73f50041fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.60
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.60
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.60
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.60
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.60
[INFO] [stderr]     Checking js-sys v0.3.37
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]     Checking web-sys v0.3.37
[INFO] [stderr]     Checking snek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.72s
[INFO] running `Command { std: "docker" "inspect" "75b21c7d0ffbcb9562001bc8e607dd4834dadfd95b8be8376f182a73f50041fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b21c7d0ffbcb9562001bc8e607dd4834dadfd95b8be8376f182a73f50041fb", kill_on_drop: false }`
[INFO] [stdout] 75b21c7d0ffbcb9562001bc8e607dd4834dadfd95b8be8376f182a73f50041fb