[INFO] fetching crate tprint 1.0.1...
[INFO] testing tprint-1.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate tprint 1.0.1 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tprint 1.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.2.6
[INFO] [stderr]   Downloaded syn v2.0.93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8d503fa95cb863dfbef7a8911e94a0a59fed5b488ee56cb95f2b52d062a3658
[INFO] running `Command { std: "docker" "start" "-a" "c8d503fa95cb863dfbef7a8911e94a0a59fed5b488ee56cb95f2b52d062a3658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8d503fa95cb863dfbef7a8911e94a0a59fed5b488ee56cb95f2b52d062a3658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d503fa95cb863dfbef7a8911e94a0a59fed5b488ee56cb95f2b52d062a3658", kill_on_drop: false }`
[INFO] [stdout] c8d503fa95cb863dfbef7a8911e94a0a59fed5b488ee56cb95f2b52d062a3658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba2d8021d38e3292b63a07e90177c7129ed05cff275b24b0cdcfe54e427605b2
[INFO] running `Command { std: "docker" "start" "-a" "ba2d8021d38e3292b63a07e90177c7129ed05cff275b24b0cdcfe54e427605b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tprint v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "ba2d8021d38e3292b63a07e90177c7129ed05cff275b24b0cdcfe54e427605b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2d8021d38e3292b63a07e90177c7129ed05cff275b24b0cdcfe54e427605b2", kill_on_drop: false }`
[INFO] [stdout] ba2d8021d38e3292b63a07e90177c7129ed05cff275b24b0cdcfe54e427605b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5907550e4f1a84aba8b3efb4f0f5cc10bfcf617b5f3469687c25a9920575f934
[INFO] running `Command { std: "docker" "start" "-a" "5907550e4f1a84aba8b3efb4f0f5cc10bfcf617b5f3469687c25a9920575f934", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[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 4.07s
[INFO] running `Command { std: "docker" "inspect" "5907550e4f1a84aba8b3efb4f0f5cc10bfcf617b5f3469687c25a9920575f934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5907550e4f1a84aba8b3efb4f0f5cc10bfcf617b5f3469687c25a9920575f934", kill_on_drop: false }`
[INFO] [stdout] 5907550e4f1a84aba8b3efb4f0f5cc10bfcf617b5f3469687c25a9920575f934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c77ec5426d7b2043afc30285083a751599002a5541d6d2a22e3a4f30ad21135
[INFO] running `Command { std: "docker" "start" "-a" "4c77ec5426d7b2043afc30285083a751599002a5541d6d2a22e3a4f30ad21135", 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-7b84982edfcf2b03)
[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-04be0aa393adac01)
[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] 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<dyn std::error::Error>> {
[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] ---- 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<dyn std::error::Error>> {
[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] 
[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 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4c77ec5426d7b2043afc30285083a751599002a5541d6d2a22e3a4f30ad21135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c77ec5426d7b2043afc30285083a751599002a5541d6d2a22e3a4f30ad21135", kill_on_drop: false }`
[INFO] [stdout] 4c77ec5426d7b2043afc30285083a751599002a5541d6d2a22e3a4f30ad21135