[INFO] fetching crate tprint 1.0.1... [INFO] testing tprint-1.0.1 against 1.90.0 for beta-1.91-3 [INFO] extracting crate tprint 1.0.1 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate tprint 1.0.1 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate tprint 1.0.1 [INFO] tweaked toml for crates.io crate tprint 1.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tprint 1.0.1 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tprint 1.0.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v2.0.93 [INFO] [stderr] Downloaded cc v1.2.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8a6f5e8c2a6ec654754d744a36db3f1812b801f1748b7d59532b4e9f9f54d879 [INFO] running `Command { std: "docker" "start" "-a" "8a6f5e8c2a6ec654754d744a36db3f1812b801f1748b7d59532b4e9f9f54d879", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a6f5e8c2a6ec654754d744a36db3f1812b801f1748b7d59532b4e9f9f54d879", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a6f5e8c2a6ec654754d744a36db3f1812b801f1748b7d59532b4e9f9f54d879", kill_on_drop: false }` [INFO] [stdout] 8a6f5e8c2a6ec654754d744a36db3f1812b801f1748b7d59532b4e9f9f54d879 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f80bd2d3a508a5bfcdddc8644d61a508df773f1675929e7961d6e264a47c90ea [INFO] running `Command { std: "docker" "start" "-a" "f80bd2d3a508a5bfcdddc8644d61a508df773f1675929e7961d6e264a47c90ea", kill_on_drop: false }` [INFO] [stderr] Compiling tprint v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "f80bd2d3a508a5bfcdddc8644d61a508df773f1675929e7961d6e264a47c90ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f80bd2d3a508a5bfcdddc8644d61a508df773f1675929e7961d6e264a47c90ea", kill_on_drop: false }` [INFO] [stdout] f80bd2d3a508a5bfcdddc8644d61a508df773f1675929e7961d6e264a47c90ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04169271a0d2a0dfb670847b5cc90961c50372e97719cc190d0bbb9e357e7ba2 [INFO] running `Command { std: "docker" "start" "-a" "04169271a0d2a0dfb670847b5cc90961c50372e97719cc190d0bbb9e357e7ba2", kill_on_drop: false }` [INFO] [stderr] Compiling tprint v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "04169271a0d2a0dfb670847b5cc90961c50372e97719cc190d0bbb9e357e7ba2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04169271a0d2a0dfb670847b5cc90961c50372e97719cc190d0bbb9e357e7ba2", kill_on_drop: false }` [INFO] [stdout] 04169271a0d2a0dfb670847b5cc90961c50372e97719cc190d0bbb9e357e7ba2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 825f9d072ad552351f04f285856968497aee534dbebe18ce493caf69e2fede88 [INFO] running `Command { std: "docker" "start" "-a" "825f9d072ad552351f04f285856968497aee534dbebe18ce493caf69e2fede88", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tprint-f22adf794b6010ad) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/basic_test.rs (/opt/rustwide/target/debug/deps/basic_test-35dc7eb24bb45755) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test str_output ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests tprint [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/tprint.rs - tprint::TPrint::add_data (line 104) ... FAILED [INFO] [stdout] test src/tprint.rs - tprint::TPrint::add_data (line 93) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/tprint.rs - tprint::TPrint::add_data (line 104) stdout ---- [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/tprint.rs:111:12 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_tprint_rs_104_0() { [INFO] [stdout] | -------------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 10 | print()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_tprint_rs_104_0() -> Result<(), Box> { [INFO] [stdout] 5 | use tprint::{TPrint, TPrintAlign}; [INFO] [stdout] ... [INFO] [stdout] 10 | print()?; [INFO] [stdout] 11 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/tprint.rs - tprint::TPrint::add_data (line 93) stdout ---- [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/tprint.rs:101:11 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_tprint_rs_93_0() { [INFO] [stdout] | ------------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 11 | tp.print()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_tprint_rs_93_0() -> Result<(), Box> { [INFO] [stdout] 5 | use tprint::{TPrint, TPrintAlign}; [INFO] [stdout] ... [INFO] [stdout] 11 | tp.print()?; [INFO] [stdout] 12 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/tprint.rs - tprint::TPrint::add_data (line 104) [INFO] [stdout] src/tprint.rs - tprint::TPrint::add_data (line 93) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "825f9d072ad552351f04f285856968497aee534dbebe18ce493caf69e2fede88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "825f9d072ad552351f04f285856968497aee534dbebe18ce493caf69e2fede88", kill_on_drop: false }` [INFO] [stdout] 825f9d072ad552351f04f285856968497aee534dbebe18ce493caf69e2fede88