[INFO] fetching crate flyway-codegen 0.3.0...
[INFO] checking flyway-codegen-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate flyway-codegen 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate flyway-codegen 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-codegen 0.3.0
[INFO] finished tweaking crates.io crate flyway-codegen 0.3.0
[INFO] tweaked toml for crates.io crate flyway-codegen 0.3.0 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 18 packages
[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-sql-changelog v0.2.2
[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] c76075b141545a861d14d7dfa0dd43ad3ab3228f512c54aeb5b073493b9a41bc
[INFO] running `Command { std: "docker" "start" "-a" "c76075b141545a861d14d7dfa0dd43ad3ab3228f512c54aeb5b073493b9a41bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c76075b141545a861d14d7dfa0dd43ad3ab3228f512c54aeb5b073493b9a41bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76075b141545a861d14d7dfa0dd43ad3ab3228f512c54aeb5b073493b9a41bc", kill_on_drop: false }`
[INFO] [stdout] c76075b141545a861d14d7dfa0dd43ad3ab3228f512c54aeb5b073493b9a41bc
[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] 4fba268e58202968061de0e0b4373727fc124c87a17e027199908e2cfe859a8b
[INFO] running `Command { std: "docker" "start" "-a" "4fba268e58202968061de0e0b4373727fc124c87a17e027199908e2cfe859a8b", kill_on_drop: false }`
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking flyway-sql-changelog v0.2.2
[INFO] [stderr]     Checking flyway-codegen v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `Command { std: "docker" "inspect" "4fba268e58202968061de0e0b4373727fc124c87a17e027199908e2cfe859a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fba268e58202968061de0e0b4373727fc124c87a17e027199908e2cfe859a8b", kill_on_drop: false }`
[INFO] [stdout] 4fba268e58202968061de0e0b4373727fc124c87a17e027199908e2cfe859a8b
[INFO] checking flyway-codegen-0.3.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate flyway-codegen 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate flyway-codegen 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-codegen 0.3.0
[INFO] finished tweaking crates.io crate flyway-codegen 0.3.0
[INFO] tweaked toml for crates.io crate flyway-codegen 0.3.0 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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[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] a7f3d062323440b128426814cb40bf9fa5d3c8795fef2713950178c1edb2e44c
[INFO] running `Command { std: "docker" "start" "-a" "a7f3d062323440b128426814cb40bf9fa5d3c8795fef2713950178c1edb2e44c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7f3d062323440b128426814cb40bf9fa5d3c8795fef2713950178c1edb2e44c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f3d062323440b128426814cb40bf9fa5d3c8795fef2713950178c1edb2e44c", kill_on_drop: false }`
[INFO] [stdout] a7f3d062323440b128426814cb40bf9fa5d3c8795fef2713950178c1edb2e44c
[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] fc6b450472884a25adc9258045b9b20f1e2e912fda5571f0e521f9a7da7aee5b
[INFO] running `Command { std: "docker" "start" "-a" "fc6b450472884a25adc9258045b9b20f1e2e912fda5571f0e521f9a7da7aee5b", kill_on_drop: false }`
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[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] running `Command { std: "docker" "inspect" "fc6b450472884a25adc9258045b9b20f1e2e912fda5571f0e521f9a7da7aee5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6b450472884a25adc9258045b9b20f1e2e912fda5571f0e521f9a7da7aee5b", kill_on_drop: false }`
[INFO] [stdout] fc6b450472884a25adc9258045b9b20f1e2e912fda5571f0e521f9a7da7aee5b