[INFO] cloning repository https://github.com/LinkTheDot/Event_Sync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LinkTheDot/Event_Sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinkTheDot%2FEvent_Sync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinkTheDot%2FEvent_Sync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fab1aaa9664994592ad3c404421726b77f0a58b0
[INFO] checking LinkTheDot/Event_Sync against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinkTheDot%2FEvent_Sync" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LinkTheDot/Event_Sync 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/LinkTheDot/Event_Sync
[INFO] finished tweaking git repo https://github.com/LinkTheDot/Event_Sync
[INFO] tweaked toml for git repo https://github.com/LinkTheDot/Event_Sync written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LinkTheDot/Event_Sync 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 serde_derive v1.0.189
[INFO] [stderr]   Downloaded serde v1.0.189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 467fe9f3afacdb3aaf4ea9a1807ffc472904f99215178d177c7064ec673480d0
[INFO] running `Command { std: "docker" "start" "-a" "467fe9f3afacdb3aaf4ea9a1807ffc472904f99215178d177c7064ec673480d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "467fe9f3afacdb3aaf4ea9a1807ffc472904f99215178d177c7064ec673480d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "467fe9f3afacdb3aaf4ea9a1807ffc472904f99215178d177c7064ec673480d0", kill_on_drop: false }`
[INFO] [stdout] 467fe9f3afacdb3aaf4ea9a1807ffc472904f99215178d177c7064ec673480d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0feb704a69b2bd91f379b730cce37892c7ddf4eff10ac8863f0b87e315d8500e
[INFO] running `Command { std: "docker" "start" "-a" "0feb704a69b2bd91f379b730cce37892c7ddf4eff10ac8863f0b87e315d8500e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking event_sync v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `Command { std: "docker" "inspect" "0feb704a69b2bd91f379b730cce37892c7ddf4eff10ac8863f0b87e315d8500e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0feb704a69b2bd91f379b730cce37892c7ddf4eff10ac8863f0b87e315d8500e", kill_on_drop: false }`
[INFO] [stdout] 0feb704a69b2bd91f379b730cce37892c7ddf4eff10ac8863f0b87e315d8500e
[INFO] checking LinkTheDot/Event_Sync against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinkTheDot%2FEvent_Sync" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LinkTheDot/Event_Sync 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/LinkTheDot/Event_Sync
[INFO] finished tweaking git repo https://github.com/LinkTheDot/Event_Sync
[INFO] tweaked toml for git repo https://github.com/LinkTheDot/Event_Sync written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LinkTheDot/Event_Sync 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d505ec3b7ae75f3d53472e8feded865c2ac9eda11c7ea066f018fe3e27f36dac
[INFO] running `Command { std: "docker" "start" "-a" "d505ec3b7ae75f3d53472e8feded865c2ac9eda11c7ea066f018fe3e27f36dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d505ec3b7ae75f3d53472e8feded865c2ac9eda11c7ea066f018fe3e27f36dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d505ec3b7ae75f3d53472e8feded865c2ac9eda11c7ea066f018fe3e27f36dac", kill_on_drop: false }`
[INFO] [stdout] d505ec3b7ae75f3d53472e8feded865c2ac9eda11c7ea066f018fe3e27f36dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a709b6ee32f1791f03d49f9334a5b07bba6f1609637aa7e6a3b45f8ddf4c6338
[INFO] running `Command { std: "docker" "start" "-a" "a709b6ee32f1791f03d49f9334a5b07bba6f1609637aa7e6a3b45f8ddf4c6338", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking event_sync v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> src/lib.rs:1078:7
[INFO] [stdout]      |
[INFO] [stdout] 1078 |       Err(TimeError::ThatTimeHasAlreadyHappened)?;
[INFO] [stdout]      |       ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]      |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]      |
[INFO] [stdout] 1078 |       Err::<T, errors::TimeError>(TimeError::ThatTimeHasAlreadyHappened)?;
[INFO] [stdout]      |          ++++++++++++++++++++++++
[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 `event_sync` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a709b6ee32f1791f03d49f9334a5b07bba6f1609637aa7e6a3b45f8ddf4c6338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a709b6ee32f1791f03d49f9334a5b07bba6f1609637aa7e6a3b45f8ddf4c6338", kill_on_drop: false }`
[INFO] [stdout] a709b6ee32f1791f03d49f9334a5b07bba6f1609637aa7e6a3b45f8ddf4c6338