[INFO] cloning repository https://github.com/ayushkumar121/cloudsync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayushkumar121/cloudsync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayushkumar121%2Fcloudsync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayushkumar121%2Fcloudsync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0bbd3b9999e5328af6bb171ec2657261f1cdf85f
[INFO] checking ayushkumar121/cloudsync against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayushkumar121%2Fcloudsync" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ayushkumar121/cloudsync on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ayushkumar121/cloudsync
[INFO] finished tweaking git repo https://github.com/ayushkumar121/cloudsync
[INFO] tweaked toml for git repo https://github.com/ayushkumar121/cloudsync written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ayushkumar121/cloudsync 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curl v0.4.44
[INFO] [stderr]   Downloaded serde v1.0.181
[INFO] [stderr]   Downloaded serde_derive v1.0.181
[INFO] [stderr]   Downloaded curl-sys v0.4.65+curl-8.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a16048175200d1b8551fe2ffdf1bead58fd843a2a955c78a37b36d8f6159be80
[INFO] running `Command { std: "docker" "start" "-a" "a16048175200d1b8551fe2ffdf1bead58fd843a2a955c78a37b36d8f6159be80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a16048175200d1b8551fe2ffdf1bead58fd843a2a955c78a37b36d8f6159be80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16048175200d1b8551fe2ffdf1bead58fd843a2a955c78a37b36d8f6159be80", kill_on_drop: false }`
[INFO] [stdout] a16048175200d1b8551fe2ffdf1bead58fd843a2a955c78a37b36d8f6159be80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a0afccd4deac1dd88d4445b62e8cf435bab0ce0ae2d0cdf2574df3276e28d05
[INFO] running `Command { std: "docker" "start" "-a" "4a0afccd4deac1dd88d4445b62e8cf435bab0ce0ae2d0cdf2574df3276e28d05", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.181
[INFO] [stderr]    Compiling serde_derive v1.0.181
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]    Compiling curl-sys v0.4.65+curl-8.2.1
[INFO] [stderr]     Checking cloudsync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "4a0afccd4deac1dd88d4445b62e8cf435bab0ce0ae2d0cdf2574df3276e28d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0afccd4deac1dd88d4445b62e8cf435bab0ce0ae2d0cdf2574df3276e28d05", kill_on_drop: false }`
[INFO] [stdout] 4a0afccd4deac1dd88d4445b62e8cf435bab0ce0ae2d0cdf2574df3276e28d05
[INFO] checking ayushkumar121/cloudsync against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayushkumar121%2Fcloudsync" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ayushkumar121/cloudsync on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ayushkumar121/cloudsync
[INFO] finished tweaking git repo https://github.com/ayushkumar121/cloudsync
[INFO] tweaked toml for git repo https://github.com/ayushkumar121/cloudsync written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ayushkumar121/cloudsync 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a99fee832d482798a9687fb0f85d6ab50ad4aeba5d669ff88183ff02c6e8f66
[INFO] running `Command { std: "docker" "start" "-a" "6a99fee832d482798a9687fb0f85d6ab50ad4aeba5d669ff88183ff02c6e8f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a99fee832d482798a9687fb0f85d6ab50ad4aeba5d669ff88183ff02c6e8f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a99fee832d482798a9687fb0f85d6ab50ad4aeba5d669ff88183ff02c6e8f66", kill_on_drop: false }`
[INFO] [stdout] 6a99fee832d482798a9687fb0f85d6ab50ad4aeba5d669ff88183ff02c6e8f66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40431616c5c92a890c1412906057f9db24e504f65d940f78a141251a0d44e84f
[INFO] running `Command { std: "docker" "start" "-a" "40431616c5c92a890c1412906057f9db24e504f65d940f78a141251a0d44e84f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.81
[INFO] [stderr]    Compiling serde v1.0.181
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]    Compiling serde_derive v1.0.181
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.181/src/lib_precompiled.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         panic!();
[INFO] [stdout]    |         ^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_derive` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "40431616c5c92a890c1412906057f9db24e504f65d940f78a141251a0d44e84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40431616c5c92a890c1412906057f9db24e504f65d940f78a141251a0d44e84f", kill_on_drop: false }`
[INFO] [stdout] 40431616c5c92a890c1412906057f9db24e504f65d940f78a141251a0d44e84f