[INFO] fetching crate croco 0.1.0... [INFO] checking croco-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate croco 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate croco 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 croco 0.1.0 [INFO] finished tweaking crates.io crate croco 0.1.0 [INFO] tweaked toml for crates.io crate croco 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate croco 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 59bfcbd2de988268385d7b2ab1be5919d3d8240f211deb64749f0c3ff28809fe [INFO] running `Command { std: "docker" "start" "-a" "59bfcbd2de988268385d7b2ab1be5919d3d8240f211deb64749f0c3ff28809fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59bfcbd2de988268385d7b2ab1be5919d3d8240f211deb64749f0c3ff28809fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59bfcbd2de988268385d7b2ab1be5919d3d8240f211deb64749f0c3ff28809fe", kill_on_drop: false }` [INFO] [stdout] 59bfcbd2de988268385d7b2ab1be5919d3d8240f211deb64749f0c3ff28809fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 526420559bea5a96d39ac96549d8da273b19513427d5bc99478a0aab6d75836f [INFO] running `Command { std: "docker" "start" "-a" "526420559bea5a96d39ac96549d8da273b19513427d5bc99478a0aab6d75836f", kill_on_drop: false }` [INFO] [stderr] Checking croco v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ErrorKind` [INFO] [stdout] --> src/main.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{ErrorKind, Read}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `croco::input` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use croco::input; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ErrorKind` [INFO] [stdout] --> src/main.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{ErrorKind, Read}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `croco::input` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use croco::input; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_text` is never used [INFO] [stdout] --> src/main.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn read_text(path:String) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_text` is never used [INFO] [stdout] --> src/main.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn read_text(path:String) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "526420559bea5a96d39ac96549d8da273b19513427d5bc99478a0aab6d75836f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "526420559bea5a96d39ac96549d8da273b19513427d5bc99478a0aab6d75836f", kill_on_drop: false }` [INFO] [stdout] 526420559bea5a96d39ac96549d8da273b19513427d5bc99478a0aab6d75836f [INFO] checking croco-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate croco 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate croco 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 croco 0.1.0 [INFO] finished tweaking crates.io crate croco 0.1.0 [INFO] tweaked toml for crates.io crate croco 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate croco 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 483803adf55ae7f7a78d975d3733ed0bd56c1a3cae97841011be3d3abc34f063 [INFO] running `Command { std: "docker" "start" "-a" "483803adf55ae7f7a78d975d3733ed0bd56c1a3cae97841011be3d3abc34f063", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "483803adf55ae7f7a78d975d3733ed0bd56c1a3cae97841011be3d3abc34f063", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "483803adf55ae7f7a78d975d3733ed0bd56c1a3cae97841011be3d3abc34f063", kill_on_drop: false }` [INFO] [stdout] 483803adf55ae7f7a78d975d3733ed0bd56c1a3cae97841011be3d3abc34f063 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3f6ab601ab2995c1e123678db216c6e6be008c98c45818034080649cf7edfb75 [INFO] running `Command { std: "docker" "start" "-a" "3f6ab601ab2995c1e123678db216c6e6be008c98c45818034080649cf7edfb75", kill_on_drop: false }` [INFO] [stderr] Checking croco v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | / match parsed_input { Ok(num) => {break num;}, // return parsed input if success. [INFO] [stdout] 24 | | Err(_err) => {println!("could not parse the input `{:#?}`", raw_input); continue;},}; [INFO] [stdout] | |_________________________________________________________________________________________________________________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | / match parsed_input { Ok(num) => {break num;}, // return parsed input if success. [INFO] [stdout] 24 | | Err(_err) => {println!("could not parse the input `{:#?}`", raw_input); continue;},}; [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 `croco` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `croco` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "3f6ab601ab2995c1e123678db216c6e6be008c98c45818034080649cf7edfb75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f6ab601ab2995c1e123678db216c6e6be008c98c45818034080649cf7edfb75", kill_on_drop: false }` [INFO] [stdout] 3f6ab601ab2995c1e123678db216c6e6be008c98c45818034080649cf7edfb75