[INFO] fetching crate flyway 0.3.0...
[INFO] checking flyway-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate flyway 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate flyway 0.3.0 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 flyway 0.3.0
[INFO] finished tweaking crates.io crate flyway 0.3.0
[INFO] tweaked toml for crates.io crate flyway 0.3.0 written to /workspace/builds/worker-6-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 20 packages
[INFO] [stderr]       Adding flyway-codegen v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding flyway-sql-changelog v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 flyway-codegen v0.2.2
[INFO] [stderr]   Downloaded flyway-sql-changelog v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f55b002215b48c446c59805e0970197fb35dbc09267c5eecf22108b3fa246168
[INFO] running `Command { std: "docker" "start" "-a" "f55b002215b48c446c59805e0970197fb35dbc09267c5eecf22108b3fa246168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f55b002215b48c446c59805e0970197fb35dbc09267c5eecf22108b3fa246168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55b002215b48c446c59805e0970197fb35dbc09267c5eecf22108b3fa246168", kill_on_drop: false }`
[INFO] [stdout] f55b002215b48c446c59805e0970197fb35dbc09267c5eecf22108b3fa246168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3215f79292b2e58ed9eb165956c458fac3c0061db4fb546b2c71304aad9aed67
[INFO] running `Command { std: "docker" "start" "-a" "3215f79292b2e58ed9eb165956c458fac3c0061db4fb546b2c71304aad9aed67", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking flyway-sql-changelog v0.2.2
[INFO] [stderr]    Compiling flyway-codegen v0.2.2
[INFO] [stderr]     Checking flyway v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "3215f79292b2e58ed9eb165956c458fac3c0061db4fb546b2c71304aad9aed67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3215f79292b2e58ed9eb165956c458fac3c0061db4fb546b2c71304aad9aed67", kill_on_drop: false }`
[INFO] [stdout] 3215f79292b2e58ed9eb165956c458fac3c0061db4fb546b2c71304aad9aed67
[INFO] checking flyway-0.3.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate flyway 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate flyway 0.3.0 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 flyway 0.3.0
[INFO] finished tweaking crates.io crate flyway 0.3.0
[INFO] tweaked toml for crates.io crate flyway 0.3.0 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f32be52642f0b1a91563fd705f5f9d95abc86905e482f8cd08759ae3bdce6ac2
[INFO] running `Command { std: "docker" "start" "-a" "f32be52642f0b1a91563fd705f5f9d95abc86905e482f8cd08759ae3bdce6ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f32be52642f0b1a91563fd705f5f9d95abc86905e482f8cd08759ae3bdce6ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32be52642f0b1a91563fd705f5f9d95abc86905e482f8cd08759ae3bdce6ac2", kill_on_drop: false }`
[INFO] [stdout] f32be52642f0b1a91563fd705f5f9d95abc86905e482f8cd08759ae3bdce6ac2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 305793ebd3fe2f2492c04dddab79e45a7aba9dd9fc2e2d95803c57b2d5de914c
[INFO] running `Command { std: "docker" "start" "-a" "305793ebd3fe2f2492c04dddab79e45a7aba9dd9fc2e2d95803c57b2d5de914c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking flyway-sql-changelog v0.2.2
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/flyway-sql-changelog-0.2.2/src/lib.rs:84:9
[INFO] [stdout]     |
[INFO] [stdout] 84  | /         match &self.kind {
[INFO] [stdout] 85  | |             ChangelogErrorKind::EmptyChangelog => {
[INFO] [stdout] 86  | |                 return write!(fmt, "Database changelog is empty.");
[INFO] [stdout] 87  | |             }
[INFO] [stdout] ...   |
[INFO] [stdout] 99  | |             }
[INFO] [stdout] 100 | |         };
[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 `flyway-sql-changelog` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "305793ebd3fe2f2492c04dddab79e45a7aba9dd9fc2e2d95803c57b2d5de914c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305793ebd3fe2f2492c04dddab79e45a7aba9dd9fc2e2d95803c57b2d5de914c", kill_on_drop: false }`
[INFO] [stdout] 305793ebd3fe2f2492c04dddab79e45a7aba9dd9fc2e2d95803c57b2d5de914c