[INFO] fetching crate literumilo 0.1.0...
[INFO] checking literumilo-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate literumilo 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate literumilo 0.1.0 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 literumilo 0.1.0
[INFO] finished tweaking crates.io crate literumilo 0.1.0
[INFO] tweaked toml for crates.io crate literumilo 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate literumilo 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] baddabb139eee47fceba4a260b5fbf60db32b7e2c87409e621e714b14d5548ea
[INFO] running `Command { std: "docker" "start" "-a" "baddabb139eee47fceba4a260b5fbf60db32b7e2c87409e621e714b14d5548ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baddabb139eee47fceba4a260b5fbf60db32b7e2c87409e621e714b14d5548ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baddabb139eee47fceba4a260b5fbf60db32b7e2c87409e621e714b14d5548ea", kill_on_drop: false }`
[INFO] [stdout] baddabb139eee47fceba4a260b5fbf60db32b7e2c87409e621e714b14d5548ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 00e965fe810f6f91faaa84ab62046e04625ba1480bc8c7902c06b4b63542c248
[INFO] running `Command { std: "docker" "start" "-a" "00e965fe810f6f91faaa84ab62046e04625ba1480bc8c7902c06b4b63542c248", kill_on_drop: false }`
[INFO] [stderr]     Checking literumilo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `length`, `capitalization`, and `rarity` are never read
[INFO] [stdout]    --> src/entry.rs:503:9
[INFO] [stdout]     |
[INFO] [stdout] 501 | pub struct Entry {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 502 |     pub word: String,
[INFO] [stdout] 503 |     pub length: usize,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 504 |     pub capitalization: Capitalization,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 511 |     pub rarity: usize,            // 1 is common, 4 is rare
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Entry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `length`, `capitalization`, and `rarity` are never read
[INFO] [stdout]    --> src/entry.rs:503:9
[INFO] [stdout]     |
[INFO] [stdout] 501 | pub struct Entry {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 502 |     pub word: String,
[INFO] [stdout] 503 |     pub length: usize,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 504 |     pub capitalization: Capitalization,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 511 |     pub rarity: usize,            // 1 is common, 4 is rare
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Entry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "00e965fe810f6f91faaa84ab62046e04625ba1480bc8c7902c06b4b63542c248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e965fe810f6f91faaa84ab62046e04625ba1480bc8c7902c06b4b63542c248", kill_on_drop: false }`
[INFO] [stdout] 00e965fe810f6f91faaa84ab62046e04625ba1480bc8c7902c06b4b63542c248
[INFO] checking literumilo-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate literumilo 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate literumilo 0.1.0 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 literumilo 0.1.0
[INFO] finished tweaking crates.io crate literumilo 0.1.0
[INFO] tweaked toml for crates.io crate literumilo 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate literumilo 0.1.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4f19f7e47088e4ccbac7c54ddf05c5795d05ee14ca87dc6ed36613ad9140f6e6
[INFO] running `Command { std: "docker" "start" "-a" "4f19f7e47088e4ccbac7c54ddf05c5795d05ee14ca87dc6ed36613ad9140f6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f19f7e47088e4ccbac7c54ddf05c5795d05ee14ca87dc6ed36613ad9140f6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f19f7e47088e4ccbac7c54ddf05c5795d05ee14ca87dc6ed36613ad9140f6e6", kill_on_drop: false }`
[INFO] [stdout] 4f19f7e47088e4ccbac7c54ddf05c5795d05ee14ca87dc6ed36613ad9140f6e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 399bfe4fd73a3d2c078637c2229b7ea4b7ce8344aaf724c013308c771215b8ff
[INFO] running `Command { std: "docker" "start" "-a" "399bfe4fd73a3d2c078637c2229b7ea4b7ce8344aaf724c013308c771215b8ff", kill_on_drop: false }`
[INFO] [stderr]     Checking literumilo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/scan_morphemes.rs:762:5
[INFO] [stdout]     |
[INFO] [stdout] 762 | /     match previous_string {
[INFO] [stdout] 763 | |         "antaŭ" => return true,
[INFO] [stdout] 764 | |         "anstataŭ" => return true,
[INFO] [stdout] 765 | |         "ĉirkaŭ" => return true,
[INFO] [stdout] ...   |
[INFO] [stdout] 768 | |          _ => return false,
[INFO] [stdout] 769 | |     };
[INFO] [stdout]     | |_____^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/scan_morphemes.rs:762:5
[INFO] [stdout]     |
[INFO] [stdout] 762 | /     match previous_string {
[INFO] [stdout] 763 | |         "antaŭ" => return true,
[INFO] [stdout] 764 | |         "anstataŭ" => return true,
[INFO] [stdout] 765 | |         "ĉirkaŭ" => return true,
[INFO] [stdout] ...   |
[INFO] [stdout] 768 | |          _ => return false,
[INFO] [stdout] 769 | |     };
[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] [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 `literumilo` (bin "literumilo") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `literumilo` (bin "literumilo" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "399bfe4fd73a3d2c078637c2229b7ea4b7ce8344aaf724c013308c771215b8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "399bfe4fd73a3d2c078637c2229b7ea4b7ce8344aaf724c013308c771215b8ff", kill_on_drop: false }`
[INFO] [stdout] 399bfe4fd73a3d2c078637c2229b7ea4b7ce8344aaf724c013308c771215b8ff