[INFO] fetching crate pover 0.2.2... [INFO] checking pover-0.2.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate pover 0.2.2 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate pover 0.2.2 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 pover 0.2.2 [INFO] finished tweaking crates.io crate pover 0.2.2 [INFO] tweaked toml for crates.io crate pover 0.2.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate pover 0.2.2 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 open v1.7.0 [INFO] [stderr] Downloaded libc v0.2.96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 64ed2a9ffb63a8f3f9b239e9520390f40e133d46b11177cb6c880410e8c8d520 [INFO] running `Command { std: "docker" "start" "-a" "64ed2a9ffb63a8f3f9b239e9520390f40e133d46b11177cb6c880410e8c8d520", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64ed2a9ffb63a8f3f9b239e9520390f40e133d46b11177cb6c880410e8c8d520", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64ed2a9ffb63a8f3f9b239e9520390f40e133d46b11177cb6c880410e8c8d520", kill_on_drop: false }` [INFO] [stdout] 64ed2a9ffb63a8f3f9b239e9520390f40e133d46b11177cb6c880410e8c8d520 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 105c075fd85335f99bf3301b7c5136563c433d5bfabecad365b5f36b425796a1 [INFO] running `Command { std: "docker" "start" "-a" "105c075fd85335f99bf3301b7c5136563c433d5bfabecad365b5f36b425796a1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling libc v0.2.96 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking which v4.1.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking open v1.7.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Checking pover v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `open` is imported redundantly [INFO] [stdout] --> src/repo.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use open; [INFO] [stdout] | ^^^^ the item `open` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `open` is imported redundantly [INFO] [stdout] --> src/repo.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use open; [INFO] [stdout] | ^^^^ the item `open` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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 6.52s [INFO] running `Command { std: "docker" "inspect" "105c075fd85335f99bf3301b7c5136563c433d5bfabecad365b5f36b425796a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "105c075fd85335f99bf3301b7c5136563c433d5bfabecad365b5f36b425796a1", kill_on_drop: false }` [INFO] [stdout] 105c075fd85335f99bf3301b7c5136563c433d5bfabecad365b5f36b425796a1 [INFO] checking pover-0.2.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate pover 0.2.2 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate pover 0.2.2 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 pover 0.2.2 [INFO] finished tweaking crates.io crate pover 0.2.2 [INFO] tweaked toml for crates.io crate pover 0.2.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate pover 0.2.2 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e3643a04d0d1abda22f8dcbda3296daf2c96d9e216de7b31675984a0dd9082f1 [INFO] running `Command { std: "docker" "start" "-a" "e3643a04d0d1abda22f8dcbda3296daf2c96d9e216de7b31675984a0dd9082f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3643a04d0d1abda22f8dcbda3296daf2c96d9e216de7b31675984a0dd9082f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3643a04d0d1abda22f8dcbda3296daf2c96d9e216de7b31675984a0dd9082f1", kill_on_drop: false }` [INFO] [stdout] e3643a04d0d1abda22f8dcbda3296daf2c96d9e216de7b31675984a0dd9082f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 56cd61aecdb4b3c7397c409f770c0ca5e5d03f476db488719d469ee505f700a9 [INFO] running `Command { std: "docker" "start" "-a" "56cd61aecdb4b3c7397c409f770c0ca5e5d03f476db488719d469ee505f700a9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling libc v0.2.96 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking which v4.1.0 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking open v1.7.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Checking pover v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `open` is imported redundantly [INFO] [stdout] --> src/repo.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use open; [INFO] [stdout] | ^^^^ the item `open` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `open` is imported redundantly [INFO] [stdout] --> src/repo.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use open; [INFO] [stdout] | ^^^^ the item `open` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/repo.rs:54:3 [INFO] [stdout] | [INFO] [stdout] 54 | / match repo_url_string { [INFO] [stdout] 55 | | Some(url) => return Some(url.to_string()), [INFO] [stdout] 56 | | None => { [INFO] [stdout] 57 | | eprintln!("Found url in repository section is not a string."); [INFO] [stdout] 58 | | return None; [INFO] [stdout] 59 | | } [INFO] [stdout] 60 | | }; [INFO] [stdout] | |___^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/repo.rs:54:3 [INFO] [stdout] | [INFO] [stdout] 54 | / match repo_url_string { [INFO] [stdout] 55 | | Some(url) => return Some(url.to_string()), [INFO] [stdout] 56 | | None => { [INFO] [stdout] 57 | | eprintln!("Found url in repository section is not a string."); [INFO] [stdout] 58 | | return None; [INFO] [stdout] 59 | | } [INFO] [stdout] 60 | | }; [INFO] [stdout] | |___^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `pover` (bin "pover") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `pover` (bin "pover" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "56cd61aecdb4b3c7397c409f770c0ca5e5d03f476db488719d469ee505f700a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56cd61aecdb4b3c7397c409f770c0ca5e5d03f476db488719d469ee505f700a9", kill_on_drop: false }` [INFO] [stdout] 56cd61aecdb4b3c7397c409f770c0ca5e5d03f476db488719d469ee505f700a9