[INFO] cloning repository https://github.com/chevdor/ufmt_float_old
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chevdor/ufmt_float_old" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchevdor%2Fufmt_float_old", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchevdor%2Fufmt_float_old'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1448e84468477eadf96a1dadab7c7151e2a9d82a
[INFO] testing chevdor/ufmt_float_old against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchevdor%2Fufmt_float_old" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chevdor/ufmt_float_old
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/chevdor/ufmt_float_old
[INFO] tweaked toml for git repo https://github.com/chevdor/ufmt_float_old written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chevdor/ufmt_float_old on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chevdor/ufmt_float_old 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f0240283ea19fd385b430ddfa138f5679d5fe5ccba50d845a685e08bfaaae34
[INFO] running `Command { std: "docker" "start" "-a" "7f0240283ea19fd385b430ddfa138f5679d5fe5ccba50d845a685e08bfaaae34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f0240283ea19fd385b430ddfa138f5679d5fe5ccba50d845a685e08bfaaae34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0240283ea19fd385b430ddfa138f5679d5fe5ccba50d845a685e08bfaaae34", kill_on_drop: false }`
[INFO] [stdout] 7f0240283ea19fd385b430ddfa138f5679d5fe5ccba50d845a685e08bfaaae34
[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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40a9166d0713be77e5a201bd7c5ce17945758fa66e037d62e90dce2f305dcca7
[INFO] running `Command { std: "docker" "start" "-a" "40a9166d0713be77e5a201bd7c5ce17945758fa66e037d62e90dce2f305dcca7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling micromath v2.0.0
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]    Compiling ufmt v0.2.0
[INFO] [stderr]    Compiling ufmt_float v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.84s
[INFO] running `Command { std: "docker" "inspect" "40a9166d0713be77e5a201bd7c5ce17945758fa66e037d62e90dce2f305dcca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a9166d0713be77e5a201bd7c5ce17945758fa66e037d62e90dce2f305dcca7", kill_on_drop: false }`
[INFO] [stdout] 40a9166d0713be77e5a201bd7c5ce17945758fa66e037d62e90dce2f305dcca7
[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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d00e38bb12a0783b81a1bfd75649bcf4f6e86a177135621be12f552e6f2f28d1
[INFO] running `Command { std: "docker" "start" "-a" "d00e38bb12a0783b81a1bfd75649bcf4f6e86a177135621be12f552e6f2f28d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.13
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling ufmt_float v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "d00e38bb12a0783b81a1bfd75649bcf4f6e86a177135621be12f552e6f2f28d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d00e38bb12a0783b81a1bfd75649bcf4f6e86a177135621be12f552e6f2f28d1", kill_on_drop: false }`
[INFO] [stdout] d00e38bb12a0783b81a1bfd75649bcf4f6e86a177135621be12f552e6f2f28d1
[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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 049b0efcdfeb9f193f3cc8f933788d4bb030ad2f0502e83dcaf15e8f49e99079
[INFO] running `Command { std: "docker" "start" "-a" "049b0efcdfeb9f193f3cc8f933788d4bb030ad2f0502e83dcaf15e8f49e99079", 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/ufmt_float-fcde63fc917858b4)
[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 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "049b0efcdfeb9f193f3cc8f933788d4bb030ad2f0502e83dcaf15e8f49e99079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049b0efcdfeb9f193f3cc8f933788d4bb030ad2f0502e83dcaf15e8f49e99079", kill_on_drop: false }`
[INFO] [stdout] 049b0efcdfeb9f193f3cc8f933788d4bb030ad2f0502e83dcaf15e8f49e99079
