[INFO] fetching crate sml 0.1.46... [INFO] checking sml-0.1.46 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate sml 0.1.46 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate sml 0.1.46 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 sml 0.1.46 [INFO] finished tweaking crates.io crate sml 0.1.46 [INFO] tweaked toml for crates.io crate sml 0.1.46 written to /workspace/builds/worker-0-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 colored v1.9.4 (latest: v2.1.0) [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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ac7162357df4c995fd90e66a5e8a261b2898aac932d91155559a998783c76623 [INFO] running `Command { std: "docker" "start" "-a" "ac7162357df4c995fd90e66a5e8a261b2898aac932d91155559a998783c76623", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac7162357df4c995fd90e66a5e8a261b2898aac932d91155559a998783c76623", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac7162357df4c995fd90e66a5e8a261b2898aac932d91155559a998783c76623", kill_on_drop: false }` [INFO] [stdout] ac7162357df4c995fd90e66a5e8a261b2898aac932d91155559a998783c76623 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5e760c111a54a5db110a9a98bf9b650345f71e17ddc98120bf278d347b17597c [INFO] running `Command { std: "docker" "start" "-a" "5e760c111a54a5db110a9a98bf9b650345f71e17ddc98120bf278d347b17597c", kill_on_drop: false }` [INFO] [stderr] Checking sml v0.1.46 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `spaces` is never used [INFO] [stdout] --> src/lib.rs:182:4 [INFO] [stdout] | [INFO] [stdout] 182 | fn spaces(i: usize) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `indent` and `line` are never used [INFO] [stdout] --> src/lib.rs:446:8 [INFO] [stdout] | [INFO] [stdout] 424 | impl Token { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 446 | fn indent(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 576 | fn line(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `indent` is never used [INFO] [stdout] --> src/lib.rs:637:8 [INFO] [stdout] | [INFO] [stdout] 613 | impl SmallString { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 637 | fn indent(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tokens` is never used [INFO] [stdout] --> src/lib.rs:724:8 [INFO] [stdout] | [INFO] [stdout] 722 | impl<'a> Small<'a> { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] 723 | [INFO] [stdout] 724 | fn tokens(&self) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spaces` is never used [INFO] [stdout] --> src/lib.rs:182:4 [INFO] [stdout] | [INFO] [stdout] 182 | fn spaces(i: usize) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `indent` and `line` are never used [INFO] [stdout] --> src/lib.rs:446:8 [INFO] [stdout] | [INFO] [stdout] 424 | impl Token { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 446 | fn indent(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 576 | fn line(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `indent` is never used [INFO] [stdout] --> src/lib.rs:637:8 [INFO] [stdout] | [INFO] [stdout] 613 | impl SmallString { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 637 | fn indent(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tokens` is never used [INFO] [stdout] --> src/lib.rs:724:8 [INFO] [stdout] | [INFO] [stdout] 722 | impl<'a> Small<'a> { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] 723 | [INFO] [stdout] 724 | fn tokens(&self) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `key_parse2` is never used [INFO] [stdout] --> tests/test.rs:148:4 [INFO] [stdout] | [INFO] [stdout] 148 | fn key_parse2() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "5e760c111a54a5db110a9a98bf9b650345f71e17ddc98120bf278d347b17597c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e760c111a54a5db110a9a98bf9b650345f71e17ddc98120bf278d347b17597c", kill_on_drop: false }` [INFO] [stdout] 5e760c111a54a5db110a9a98bf9b650345f71e17ddc98120bf278d347b17597c [INFO] checking sml-0.1.46 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate sml 0.1.46 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate sml 0.1.46 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 sml 0.1.46 [INFO] finished tweaking crates.io crate sml 0.1.46 [INFO] tweaked toml for crates.io crate sml 0.1.46 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 63153bc1db5af2d52155d3c849b0db7fc30629ce869e9444ad53de629cfb234c [INFO] running `Command { std: "docker" "start" "-a" "63153bc1db5af2d52155d3c849b0db7fc30629ce869e9444ad53de629cfb234c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63153bc1db5af2d52155d3c849b0db7fc30629ce869e9444ad53de629cfb234c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63153bc1db5af2d52155d3c849b0db7fc30629ce869e9444ad53de629cfb234c", kill_on_drop: false }` [INFO] [stdout] 63153bc1db5af2d52155d3c849b0db7fc30629ce869e9444ad53de629cfb234c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 537c57537ccc5c31821f480945c4a6fbd901325ede733211eee863c171f0cf55 [INFO] running `Command { std: "docker" "start" "-a" "537c57537ccc5c31821f480945c4a6fbd901325ede733211eee863c171f0cf55", kill_on_drop: false }` [INFO] [stderr] Checking sml v0.1.46 (/opt/rustwide/workdir) [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> src/lib.rs:496:21 [INFO] [stdout] | [INFO] [stdout] 496 | / if Some(pos) == start_key { [INFO] [stdout] 497 | | let token = Token::new(s, line, start_key, end_key, start_val, end_val); [INFO] [stdout] 498 | | return Err(SmallError::EmptyKey(token, pos)) [INFO] [stdout] 499 | | } else { [INFO] [stdout] ... | [INFO] [stdout] 502 | | continue; [INFO] [stdout] 503 | | }; [INFO] [stdout] | |_____________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> src/lib.rs:496:21 [INFO] [stdout] | [INFO] [stdout] 496 | / if Some(pos) == start_key { [INFO] [stdout] 497 | | let token = Token::new(s, line, start_key, end_key, start_val, end_val); [INFO] [stdout] 498 | | return Err(SmallError::EmptyKey(token, pos)) [INFO] [stdout] 499 | | } else { [INFO] [stdout] ... | [INFO] [stdout] 502 | | continue; [INFO] [stdout] 503 | | }; [INFO] [stdout] | |_____________________^ cannot satisfy `_ -> _` [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 E0284`. [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 E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `sml` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `sml` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "537c57537ccc5c31821f480945c4a6fbd901325ede733211eee863c171f0cf55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "537c57537ccc5c31821f480945c4a6fbd901325ede733211eee863c171f0cf55", kill_on_drop: false }` [INFO] [stdout] 537c57537ccc5c31821f480945c4a6fbd901325ede733211eee863c171f0cf55