[INFO] fetching crate ufmt 0.1.0... [INFO] testing ufmt-0.1.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate ufmt 0.1.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate ufmt 0.1.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ufmt 0.1.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate ufmt 0.1.0 [INFO] tweaked toml for crates.io crate ufmt 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0a5635829d87c09ade963febb603dc4af9fda7b23f007fe973ba8f1463b77629 [INFO] running `Command { std: "docker" "start" "-a" "0a5635829d87c09ade963febb603dc4af9fda7b23f007fe973ba8f1463b77629", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a5635829d87c09ade963febb603dc4af9fda7b23f007fe973ba8f1463b77629", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a5635829d87c09ade963febb603dc4af9fda7b23f007fe973ba8f1463b77629", kill_on_drop: false }` [INFO] [stdout] 0a5635829d87c09ade963febb603dc4af9fda7b23f007fe973ba8f1463b77629 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 164439b9d1e89e50300eff1543fb9d974c259f559101240f84d7364a83b81749 [INFO] running `Command { std: "docker" "start" "-a" "164439b9d1e89e50300eff1543fb9d974c259f559101240f84d7364a83b81749", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling ufmt-write v0.1.0 [INFO] [stderr] Compiling ufmt-macros v0.1.1 [INFO] [stderr] Compiling ufmt v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.53s [INFO] running `Command { std: "docker" "inspect" "164439b9d1e89e50300eff1543fb9d974c259f559101240f84d7364a83b81749", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "164439b9d1e89e50300eff1543fb9d974c259f559101240f84d7364a83b81749", kill_on_drop: false }` [INFO] [stdout] 164439b9d1e89e50300eff1543fb9d974c259f559101240f84d7364a83b81749 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bc7db8ce5835e3b81cce12c3394c2e7d09e08f5e0226cae41bff926df6a58997 [INFO] running `Command { std: "docker" "start" "-a" "bc7db8ce5835e3b81cce12c3394c2e7d09e08f5e0226cae41bff926df6a58997", kill_on_drop: false }` [INFO] [stderr] Compiling ufmt v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "bc7db8ce5835e3b81cce12c3394c2e7d09e08f5e0226cae41bff926df6a58997", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc7db8ce5835e3b81cce12c3394c2e7d09e08f5e0226cae41bff926df6a58997", kill_on_drop: false }` [INFO] [stdout] bc7db8ce5835e3b81cce12c3394c2e7d09e08f5e0226cae41bff926df6a58997 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 729cc6ff5f059bd437dd62ee843b1e233dd00a01d34d178457873f6f29cc33cc [INFO] running `Command { std: "docker" "start" "-a" "729cc6ff5f059bd437dd62ee843b1e233dd00a01d34d178457873f6f29cc33cc", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ufmt-ed6e2cf36f057a12) [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] Doc-tests ufmt [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - (line 135) ... ignored [INFO] [stdout] test src/lib.rs - (line 43) ... FAILED [INFO] [stdout] test src/lib.rs - (line 86) ... ok [INFO] [stdout] test src/lib.rs - (line 60) ... ok [INFO] [stdout] test src/lib.rs - (line 158) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 43) stdout ---- [INFO] [stdout] error[E0599]: the method `do_as_formatter` exists for struct `String`, but its trait bounds were not satisfied [INFO] [stdout] --> src/lib.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 11 | uwrite!(s, "{:?}", pair).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ method cannot be called on `String` due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `String: uWrite` [INFO] [stdout] which is required by `String: UnstableDoAsFormatter` [INFO] [stdout] `str: uWrite` [INFO] [stdout] which is required by `str: UnstableDoAsFormatter` [INFO] [stdout] = note: this error originates in the macro `proc_macro_call` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 43) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.47s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "729cc6ff5f059bd437dd62ee843b1e233dd00a01d34d178457873f6f29cc33cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "729cc6ff5f059bd437dd62ee843b1e233dd00a01d34d178457873f6f29cc33cc", kill_on_drop: false }` [INFO] [stdout] 729cc6ff5f059bd437dd62ee843b1e233dd00a01d34d178457873f6f29cc33cc