[INFO] cloning repository https://github.com/gaganjakhotiya/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gaganjakhotiya/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaganjakhotiya%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaganjakhotiya%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e55ef2a8bc8e1d128fc1ec3fbfcfd2a58d3d27e
[INFO] checking gaganjakhotiya/rust_playground against master#d908a5b08e9ccbd2b41f8b399aa6cd919d5cb451 for pr-113895
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaganjakhotiya%2Frust_playground" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gaganjakhotiya/rust_playground on toolchain d908a5b08e9ccbd2b41f8b399aa6cd919d5cb451
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d908a5b08e9ccbd2b41f8b399aa6cd919d5cb451" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gaganjakhotiya/rust_playground
[INFO] finished tweaking git repo https://github.com/gaganjakhotiya/rust_playground
[INFO] tweaked toml for git repo https://github.com/gaganjakhotiya/rust_playground written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gaganjakhotiya/rust_playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d908a5b08e9ccbd2b41f8b399aa6cd919d5cb451" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.76
[INFO] [stderr]   Downloaded serde_derive v1.0.76
[INFO] [stderr]   Downloaded proc-macro2 v0.4.17
[INFO] [stderr]   Downloaded serde_json v1.0.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d908a5b08e9ccbd2b41f8b399aa6cd919d5cb451" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9e2a7395ce5d880489fec49f0e44218dd88ede41d6e86c2cfc0f189fc7f282b
[INFO] running `Command { std: "docker" "start" "-a" "f9e2a7395ce5d880489fec49f0e44218dd88ede41d6e86c2cfc0f189fc7f282b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9e2a7395ce5d880489fec49f0e44218dd88ede41d6e86c2cfc0f189fc7f282b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e2a7395ce5d880489fec49f0e44218dd88ede41d6e86c2cfc0f189fc7f282b", kill_on_drop: false }`
[INFO] [stdout] f9e2a7395ce5d880489fec49f0e44218dd88ede41d6e86c2cfc0f189fc7f282b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d908a5b08e9ccbd2b41f8b399aa6cd919d5cb451" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ff46b334735f71b93a34daa3776536ed9b604df74f03cb1c2da036b8a80d927
[INFO] running `Command { std: "docker" "start" "-a" "6ff46b334735f71b93a34daa3776536ed9b604df74f03cb1c2da036b8a80d927", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]    Compiling diesel_derives v1.3.0
[INFO] [stderr]     Checking diesel v1.3.3
[INFO] [stderr]     Checking pg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: diesel v1.3.3, syn v0.13.11, syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "6ff46b334735f71b93a34daa3776536ed9b604df74f03cb1c2da036b8a80d927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff46b334735f71b93a34daa3776536ed9b604df74f03cb1c2da036b8a80d927", kill_on_drop: false }`
[INFO] [stdout] 6ff46b334735f71b93a34daa3776536ed9b604df74f03cb1c2da036b8a80d927