[INFO] cloning repository https://github.com/surya-software-system/firstone [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/surya-software-system/firstone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurya-software-system%2Ffirstone", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurya-software-system%2Ffirstone'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4c6d5344531cbbc0cef890458a820c0dee4b49e8 [INFO] checking surya-software-system/firstone against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurya-software-system%2Ffirstone" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/surya-software-system/firstone 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/surya-software-system/firstone [INFO] finished tweaking git repo https://github.com/surya-software-system/firstone [INFO] tweaked toml for git repo https://github.com/surya-software-system/firstone written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/surya-software-system/firstone 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 unicode-width v0.1.7 [INFO] [stderr] Downloaded textwrap v0.9.0 [INFO] [stderr] Downloaded bitflags v0.9.1 [INFO] [stderr] Downloaded hermit-abi v0.1.8 [INFO] [stderr] Downloaded strsim v0.6.0 [INFO] [stderr] Downloaded vec_map v0.8.1 [INFO] [stderr] Downloaded ansi_term v0.9.0 [INFO] [stderr] Downloaded num-integer v0.1.42 [INFO] [stderr] Downloaded redox_syscall v0.1.56 [INFO] [stderr] Downloaded time v0.1.42 [INFO] [stderr] Downloaded num-traits v0.2.11 [INFO] [stderr] Downloaded chrono v0.4.11 [INFO] [stderr] Downloaded clap v2.27.1 [INFO] [stderr] Downloaded libc v0.2.67 [INFO] [stderr] Downloaded winapi v0.3.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3a942e21b89937fac7978aa2dba6d43649bb0c6ed90a277ed243a25b78f0f0b6 [INFO] running `Command { std: "docker" "start" "-a" "3a942e21b89937fac7978aa2dba6d43649bb0c6ed90a277ed243a25b78f0f0b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a942e21b89937fac7978aa2dba6d43649bb0c6ed90a277ed243a25b78f0f0b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a942e21b89937fac7978aa2dba6d43649bb0c6ed90a277ed243a25b78f0f0b6", kill_on_drop: false }` [INFO] [stdout] 3a942e21b89937fac7978aa2dba6d43649bb0c6ed90a277ed243a25b78f0f0b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8e51f8fb46ca869df90e2ad2d2989c50300914f9df581ed7b9d49e9bcbaa2b4b [INFO] running `Command { std: "docker" "start" "-a" "8e51f8fb46ca869df90e2ad2d2989c50300914f9df581ed7b9d49e9bcbaa2b4b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking clap v2.27.1 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking one v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/agecalc.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | o.write_all(b"\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 44 | let _ = o.write_all(b"\n"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/agecalc.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | o.write_all(b"\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 44 | let _ = o.write_all(b"\n"); [INFO] [stdout] | +++++++ [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 2.18s [INFO] running `Command { std: "docker" "inspect" "8e51f8fb46ca869df90e2ad2d2989c50300914f9df581ed7b9d49e9bcbaa2b4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e51f8fb46ca869df90e2ad2d2989c50300914f9df581ed7b9d49e9bcbaa2b4b", kill_on_drop: false }` [INFO] [stdout] 8e51f8fb46ca869df90e2ad2d2989c50300914f9df581ed7b9d49e9bcbaa2b4b [INFO] checking surya-software-system/firstone against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurya-software-system%2Ffirstone" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/surya-software-system/firstone 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/surya-software-system/firstone [INFO] finished tweaking git repo https://github.com/surya-software-system/firstone [INFO] tweaked toml for git repo https://github.com/surya-software-system/firstone written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/surya-software-system/firstone 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4b67ddd8d4ce901ff208bcfd71d36323254ab95bc76f3fdedc50401cf0018930 [INFO] running `Command { std: "docker" "start" "-a" "4b67ddd8d4ce901ff208bcfd71d36323254ab95bc76f3fdedc50401cf0018930", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b67ddd8d4ce901ff208bcfd71d36323254ab95bc76f3fdedc50401cf0018930", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b67ddd8d4ce901ff208bcfd71d36323254ab95bc76f3fdedc50401cf0018930", kill_on_drop: false }` [INFO] [stdout] 4b67ddd8d4ce901ff208bcfd71d36323254ab95bc76f3fdedc50401cf0018930 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1d2c21312fcf78d34244f9bfe9514ddad04a5637b8ee7a05d59d4feb0e8d574f [INFO] running `Command { std: "docker" "start" "-a" "1d2c21312fcf78d34244f9bfe9514ddad04a5637b8ee7a05d59d4feb0e8d574f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking clap v2.27.1 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.11/src/format/parse.rs:423:21 [INFO] [stdout] | [INFO] [stdout] 423 | 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] 423 | 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" "1d2c21312fcf78d34244f9bfe9514ddad04a5637b8ee7a05d59d4feb0e8d574f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d2c21312fcf78d34244f9bfe9514ddad04a5637b8ee7a05d59d4feb0e8d574f", kill_on_drop: false }` [INFO] [stdout] 1d2c21312fcf78d34244f9bfe9514ddad04a5637b8ee7a05d59d4feb0e8d574f