[INFO] cloning repository https://github.com/Aimeedeer/walnuts [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aimeedeer/walnuts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAimeedeer%2Fwalnuts", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAimeedeer%2Fwalnuts'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 48039552c41c912fa37a39e2f6626106538ec828 [INFO] checking Aimeedeer/walnuts against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAimeedeer%2Fwalnuts" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Aimeedeer/walnuts 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 git repo https://github.com/Aimeedeer/walnuts [INFO] finished tweaking git repo https://github.com/Aimeedeer/walnuts [INFO] tweaked toml for git repo https://github.com/Aimeedeer/walnuts written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Aimeedeer/walnuts 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded funty v1.0.1 [INFO] [stderr] Downloaded const-oid v0.1.0 [INFO] [stderr] Downloaded radium v0.4.1 [INFO] [stderr] Downloaded elliptic-curve v0.6.6 [INFO] [stderr] Downloaded k256 v0.5.10 [INFO] [stderr] Downloaded bitvec v0.18.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e1fb5e217a2e655485454d66ed47b2338c471aa8c1565f19538a83fabac50714 [INFO] running `Command { std: "docker" "start" "-a" "e1fb5e217a2e655485454d66ed47b2338c471aa8c1565f19538a83fabac50714", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1fb5e217a2e655485454d66ed47b2338c471aa8c1565f19538a83fabac50714", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1fb5e217a2e655485454d66ed47b2338c471aa8c1565f19538a83fabac50714", kill_on_drop: false }` [INFO] [stdout] e1fb5e217a2e655485454d66ed47b2338c471aa8c1565f19538a83fabac50714 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6ca637f628070d3a3e745021a57d83026fc5833f6593345f68944126d9085ceb [INFO] running `Command { std: "docker" "start" "-a" "6ca637f628070d3a3e745021a57d83026fc5833f6593345f68944126d9085ceb", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling radium v0.4.1 [INFO] [stderr] Checking funty v1.0.1 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Checking subtle v2.3.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Checking const-oid v0.1.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking bitvec v0.18.4 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking sha2 v0.9.2 [INFO] [stderr] Checking ff v0.8.0 [INFO] [stderr] Checking group v0.8.0 [INFO] [stderr] Checking elliptic-curve v0.6.6 [INFO] [stderr] Checking k256 v0.5.10 [INFO] [stderr] Compiling structopt-derive v0.4.13 [INFO] [stderr] Checking structopt v0.3.20 [INFO] [stderr] Checking walnuts v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `hash` is never used [INFO] [stdout] --> src/block.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl Block { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn hash(&self) -> &[u8; 32] { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `hash` is never used [INFO] [stdout] --> src/blockheader.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl BlockHeader { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn hash(&self) -> &[u8; 32] { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `hash` is never used [INFO] [stdout] --> src/block.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl Block { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn hash(&self) -> &[u8; 32] { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `hash` is never used [INFO] [stdout] --> src/blockheader.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl BlockHeader { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn hash(&self) -> &[u8; 32] { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.54s [INFO] running `Command { std: "docker" "inspect" "6ca637f628070d3a3e745021a57d83026fc5833f6593345f68944126d9085ceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ca637f628070d3a3e745021a57d83026fc5833f6593345f68944126d9085ceb", kill_on_drop: false }` [INFO] [stdout] 6ca637f628070d3a3e745021a57d83026fc5833f6593345f68944126d9085ceb [INFO] checking Aimeedeer/walnuts against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAimeedeer%2Fwalnuts" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Aimeedeer/walnuts 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 git repo https://github.com/Aimeedeer/walnuts [INFO] finished tweaking git repo https://github.com/Aimeedeer/walnuts [INFO] tweaked toml for git repo https://github.com/Aimeedeer/walnuts written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Aimeedeer/walnuts 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1461a4ff87448ba21e177fd0e67c5b00ec1824415c928d67379d6efc9f954f80 [INFO] running `Command { std: "docker" "start" "-a" "1461a4ff87448ba21e177fd0e67c5b00ec1824415c928d67379d6efc9f954f80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1461a4ff87448ba21e177fd0e67c5b00ec1824415c928d67379d6efc9f954f80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1461a4ff87448ba21e177fd0e67c5b00ec1824415c928d67379d6efc9f954f80", kill_on_drop: false }` [INFO] [stdout] 1461a4ff87448ba21e177fd0e67c5b00ec1824415c928d67379d6efc9f954f80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 991c6a4b21f7dc24fef5ddee35a644a71e9abcd3e7717e514ac1d96b4928b320 [INFO] running `Command { std: "docker" "start" "-a" "991c6a4b21f7dc24fef5ddee35a644a71e9abcd3e7717e514ac1d96b4928b320", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling radium v0.4.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking funty v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Checking subtle v2.3.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking const-oid v0.1.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bitvec v0.18.4 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking sha2 v0.9.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.19/src/format/parse.rs:491:21 [INFO] [stdout] | [INFO] [stdout] 491 | Err(INVALID)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 491 | Err::(INVALID)?; [INFO] [stdout] | +++++++++++++++++++++++++ [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 `chrono` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "991c6a4b21f7dc24fef5ddee35a644a71e9abcd3e7717e514ac1d96b4928b320", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "991c6a4b21f7dc24fef5ddee35a644a71e9abcd3e7717e514ac1d96b4928b320", kill_on_drop: false }` [INFO] [stdout] 991c6a4b21f7dc24fef5ddee35a644a71e9abcd3e7717e514ac1d96b4928b320