[INFO] fetching crate tprint 1.0.1... [INFO] testing tprint-1.0.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate tprint 1.0.1 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tprint 1.0.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 72c3fb5b230787fc5768a5f7437b1048cfdf8d0aee7c473d0e7f580d691ada35 [INFO] running `Command { std: "docker" "start" "-a" "72c3fb5b230787fc5768a5f7437b1048cfdf8d0aee7c473d0e7f580d691ada35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72c3fb5b230787fc5768a5f7437b1048cfdf8d0aee7c473d0e7f580d691ada35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72c3fb5b230787fc5768a5f7437b1048cfdf8d0aee7c473d0e7f580d691ada35", kill_on_drop: false }` [INFO] [stdout] 72c3fb5b230787fc5768a5f7437b1048cfdf8d0aee7c473d0e7f580d691ada35 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b63aa705312c0105d90f4eac6b73b8c0660a07a3c5cc73493f2b06c27750f05 [INFO] running `Command { std: "docker" "start" "-a" "4b63aa705312c0105d90f4eac6b73b8c0660a07a3c5cc73493f2b06c27750f05", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-width v0.2.0 [INFO] [stderr] Compiling tprint v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "4b63aa705312c0105d90f4eac6b73b8c0660a07a3c5cc73493f2b06c27750f05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b63aa705312c0105d90f4eac6b73b8c0660a07a3c5cc73493f2b06c27750f05", kill_on_drop: false }` [INFO] [stdout] 4b63aa705312c0105d90f4eac6b73b8c0660a07a3c5cc73493f2b06c27750f05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 138f8ada315236210446d71c3a59bf569f1bb50298d2e75aace6f1d5113b53ed [INFO] running `Command { std: "docker" "start" "-a" "138f8ada315236210446d71c3a59bf569f1bb50298d2e75aace6f1d5113b53ed", kill_on_drop: false }` [INFO] [stderr] Compiling chrono v0.4.39 [INFO] [stderr] Compiling tprint v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.11s [INFO] running `Command { std: "docker" "inspect" "138f8ada315236210446d71c3a59bf569f1bb50298d2e75aace6f1d5113b53ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "138f8ada315236210446d71c3a59bf569f1bb50298d2e75aace6f1d5113b53ed", kill_on_drop: false }` [INFO] [stdout] 138f8ada315236210446d71c3a59bf569f1bb50298d2e75aace6f1d5113b53ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bf46f0f8fcae27afe79aa769219c930483fcc7b34cce000719ac449e3b858be3 [INFO] running `Command { std: "docker" "start" "-a" "bf46f0f8fcae27afe79aa769219c930483fcc7b34cce000719ac449e3b858be3", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tprint-833d24dfca93748d) [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-cc63dab183e83f6f) [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 93) ... FAILED [INFO] [stdout] test src/tprint.rs - tprint::TPrint::add_data (line 104) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [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] 94 | 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] 101 | 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] 94 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_tprint_rs_93_0() -> Result<(), Box> { [INFO] [stdout] 95 | use tprint::{TPrint, TPrintAlign}; [INFO] [stdout] ... [INFO] [stdout] 101 | tp.print()?; [INFO] [stdout] 102 + 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 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] 105 | 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] 111 | 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] 105 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_tprint_rs_104_0() -> Result<(), Box> { [INFO] [stdout] 106 | use tprint::{TPrint, TPrintAlign}; [INFO] [stdout] ... [INFO] [stdout] 111 | print()?; [INFO] [stdout] 112 + 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 0.15s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "bf46f0f8fcae27afe79aa769219c930483fcc7b34cce000719ac449e3b858be3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf46f0f8fcae27afe79aa769219c930483fcc7b34cce000719ac449e3b858be3", kill_on_drop: false }` [INFO] [stdout] bf46f0f8fcae27afe79aa769219c930483fcc7b34cce000719ac449e3b858be3