[INFO] fetching crate db-up-sql-changelog 0.2.0...
[INFO] checking db-up-sql-changelog-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate db-up-sql-changelog 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate db-up-sql-changelog 0.2.0 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 crates.io crate db-up-sql-changelog 0.2.0
[INFO] finished tweaking crates.io crate db-up-sql-changelog 0.2.0
[INFO] tweaked toml for crates.io crate db-up-sql-changelog 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages
[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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd2dac1e8c2bd17ef89ea086b86a22089653da68b1ab102117376f5313be977d
[INFO] running `Command { std: "docker" "start" "-a" "cd2dac1e8c2bd17ef89ea086b86a22089653da68b1ab102117376f5313be977d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd2dac1e8c2bd17ef89ea086b86a22089653da68b1ab102117376f5313be977d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2dac1e8c2bd17ef89ea086b86a22089653da68b1ab102117376f5313be977d", kill_on_drop: false }`
[INFO] [stdout] cd2dac1e8c2bd17ef89ea086b86a22089653da68b1ab102117376f5313be977d
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cd34e27c82f99fef3150293eb08816b6d9a11c030f4742b6cc38cd5d42f8881
[INFO] running `Command { std: "docker" "start" "-a" "2cd34e27c82f99fef3150293eb08816b6d9a11c030f4742b6cc38cd5d42f8881", kill_on_drop: false }`
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking db-up-sql-changelog v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "2cd34e27c82f99fef3150293eb08816b6d9a11c030f4742b6cc38cd5d42f8881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd34e27c82f99fef3150293eb08816b6d9a11c030f4742b6cc38cd5d42f8881", kill_on_drop: false }`
[INFO] [stdout] 2cd34e27c82f99fef3150293eb08816b6d9a11c030f4742b6cc38cd5d42f8881
[INFO] checking db-up-sql-changelog-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate db-up-sql-changelog 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate db-up-sql-changelog 0.2.0 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 crates.io crate db-up-sql-changelog 0.2.0
[INFO] finished tweaking crates.io crate db-up-sql-changelog 0.2.0
[INFO] tweaked toml for crates.io crate db-up-sql-changelog 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2db19c3910cfd02d8383175823477e946a52441de496b90bebe58f7f520e1004
[INFO] running `Command { std: "docker" "start" "-a" "2db19c3910cfd02d8383175823477e946a52441de496b90bebe58f7f520e1004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2db19c3910cfd02d8383175823477e946a52441de496b90bebe58f7f520e1004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db19c3910cfd02d8383175823477e946a52441de496b90bebe58f7f520e1004", kill_on_drop: false }`
[INFO] [stdout] 2db19c3910cfd02d8383175823477e946a52441de496b90bebe58f7f520e1004
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1c1140fbfa089262f10bcf2fe7eee61bbf4715e086db52d8fc46c557aafd68aa
[INFO] running `Command { std: "docker" "start" "-a" "1c1140fbfa089262f10bcf2fe7eee61bbf4715e086db52d8fc46c557aafd68aa", kill_on_drop: false }`
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking db-up-sql-changelog v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | /         match &self.kind {
[INFO] [stdout] 83 | |             ChangelogErrorKind::EmptyChangelog => {
[INFO] [stdout] 84 | |                 return write!(fmt, "Database changelog is empty.");
[INFO] [stdout] 85 | |             }
[INFO] [stdout] ...  |
[INFO] [stdout] 97 | |             }
[INFO] [stdout] 98 | |         };
[INFO] [stdout]    | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | /         match &self.kind {
[INFO] [stdout] 83 | |             ChangelogErrorKind::EmptyChangelog => {
[INFO] [stdout] 84 | |                 return write!(fmt, "Database changelog is empty.");
[INFO] [stdout] 85 | |             }
[INFO] [stdout] ...  |
[INFO] [stdout] 97 | |             }
[INFO] [stdout] 98 | |         };
[INFO] [stdout]    | |_________^ cannot infer type
[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 `db-up-sql-changelog` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `db-up-sql-changelog` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1c1140fbfa089262f10bcf2fe7eee61bbf4715e086db52d8fc46c557aafd68aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1140fbfa089262f10bcf2fe7eee61bbf4715e086db52d8fc46c557aafd68aa", kill_on_drop: false }`
[INFO] [stdout] 1c1140fbfa089262f10bcf2fe7eee61bbf4715e086db52d8fc46c557aafd68aa