[INFO] fetching crate ufmt_float 0.2.0... [INFO] testing ufmt_float-0.2.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate ufmt_float 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate ufmt_float 0.2.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate ufmt_float 0.2.0 [INFO] tweaked toml for crates.io crate ufmt_float 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ufmt_float 0.2.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 20 packages to latest compatible versions [INFO] [stderr] Adding heapless v0.7.17 (available: v0.9.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01a4956eb1c297a20cf9f30014dd164a1c88a101fabd415ba3646be6cdc0789e [INFO] running `Command { std: "docker" "start" "-a" "01a4956eb1c297a20cf9f30014dd164a1c88a101fabd415ba3646be6cdc0789e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01a4956eb1c297a20cf9f30014dd164a1c88a101fabd415ba3646be6cdc0789e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01a4956eb1c297a20cf9f30014dd164a1c88a101fabd415ba3646be6cdc0789e", kill_on_drop: false }` [INFO] [stdout] 01a4956eb1c297a20cf9f30014dd164a1c88a101fabd415ba3646be6cdc0789e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1df2cad81f5647cd625472bad170aee9a605de7d40af5b2bba786b8e9efefbf3 [INFO] running `Command { std: "docker" "start" "-a" "1df2cad81f5647cd625472bad170aee9a605de7d40af5b2bba786b8e9efefbf3", kill_on_drop: false }` [INFO] [stderr] Compiling ufmt-write v0.1.0 [INFO] [stderr] Compiling micromath v2.1.0 [INFO] [stderr] Compiling ufmt-macros v0.3.0 [INFO] [stderr] Compiling ufmt v0.2.0 [INFO] [stderr] Compiling ufmt_float v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.50s [INFO] running `Command { std: "docker" "inspect" "1df2cad81f5647cd625472bad170aee9a605de7d40af5b2bba786b8e9efefbf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1df2cad81f5647cd625472bad170aee9a605de7d40af5b2bba786b8e9efefbf3", kill_on_drop: false }` [INFO] [stdout] 1df2cad81f5647cd625472bad170aee9a605de7d40af5b2bba786b8e9efefbf3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e34d8119352a57cdb7a66269ccb7221d785888eb238b3571930c00c1e5593a21 [INFO] running `Command { std: "docker" "start" "-a" "e34d8119352a57cdb7a66269ccb7221d785888eb238b3571930c00c1e5593a21", kill_on_drop: false }` [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling semver v1.0.27 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling hash32 v0.2.1 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Compiling ufmt_float v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.61s [INFO] running `Command { std: "docker" "inspect" "e34d8119352a57cdb7a66269ccb7221d785888eb238b3571930c00c1e5593a21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e34d8119352a57cdb7a66269ccb7221d785888eb238b3571930c00c1e5593a21", kill_on_drop: false }` [INFO] [stdout] e34d8119352a57cdb7a66269ccb7221d785888eb238b3571930c00c1e5593a21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] da818a0efd0cf2984147fdf505a0771aa45a130311e468901fefe0b56fb50cd1 [INFO] running `Command { std: "docker" "start" "-a" "da818a0efd0cf2984147fdf505a0771aa45a130311e468901fefe0b56fb50cd1", 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/ufmt_float-3778b2afecb355be) [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] Doc-tests ufmt_float [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 9) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 9) stdout ---- [INFO] [stdout] error[E0599]: the method `do_as_formatter` exists for mutable reference `&mut String`, but its trait bounds were not satisfied [INFO] [stdout] --> src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 10 | uwriteln!(&mut s, "{}",pi_write).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method cannot be called on `&mut 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] `&mut String: uWrite` [INFO] [stdout] which is required by `&mut String: UnstableDoAsFormatter` [INFO] [stdout] `str: uWrite` [INFO] [stdout] which is required by `str: UnstableDoAsFormatter` [INFO] [stdout] = note: this error originates in the macro `uwriteln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 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 9) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "da818a0efd0cf2984147fdf505a0771aa45a130311e468901fefe0b56fb50cd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da818a0efd0cf2984147fdf505a0771aa45a130311e468901fefe0b56fb50cd1", kill_on_drop: false }` [INFO] [stdout] da818a0efd0cf2984147fdf505a0771aa45a130311e468901fefe0b56fb50cd1