[INFO] fetching crate ufmt 0.1.0...
[INFO] testing ufmt-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate ufmt 0.1.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate ufmt 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded ufmt-macros v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44b825857a680a616f868de4e5977c2152c9b65793462e98a1ff2af853dce906
[INFO] running `Command { std: "docker" "start" "-a" "44b825857a680a616f868de4e5977c2152c9b65793462e98a1ff2af853dce906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44b825857a680a616f868de4e5977c2152c9b65793462e98a1ff2af853dce906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b825857a680a616f868de4e5977c2152c9b65793462e98a1ff2af853dce906", kill_on_drop: false }`
[INFO] [stdout] 44b825857a680a616f868de4e5977c2152c9b65793462e98a1ff2af853dce906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbe15ef50d5df8b6f9716202b9cad4708975c6821dba58802656be349aec1176
[INFO] running `Command { std: "docker" "start" "-a" "bbe15ef50d5df8b6f9716202b9cad4708975c6821dba58802656be349aec1176", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[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 11.50s
[INFO] running `Command { std: "docker" "inspect" "bbe15ef50d5df8b6f9716202b9cad4708975c6821dba58802656be349aec1176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbe15ef50d5df8b6f9716202b9cad4708975c6821dba58802656be349aec1176", kill_on_drop: false }`
[INFO] [stdout] bbe15ef50d5df8b6f9716202b9cad4708975c6821dba58802656be349aec1176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 223d7638b977889c5e1d6948d0953f7fd029c693a0cee887fd82d9536d04a208
[INFO] running `Command { std: "docker" "start" "-a" "223d7638b977889c5e1d6948d0953f7fd029c693a0cee887fd82d9536d04a208", kill_on_drop: false }`
[INFO] [stderr]    Compiling ufmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "223d7638b977889c5e1d6948d0953f7fd029c693a0cee887fd82d9536d04a208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "223d7638b977889c5e1d6948d0953f7fd029c693a0cee887fd82d9536d04a208", kill_on_drop: false }`
[INFO] [stdout] 223d7638b977889c5e1d6948d0953f7fd029c693a0cee887fd82d9536d04a208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 608881b8133710c22e12ef9ace0004235270a56b8db45e7012de1d4bcfb3f3c8
[INFO] running `Command { std: "docker" "start" "-a" "608881b8133710c22e12ef9ace0004235270a56b8db45e7012de1d4bcfb3f3c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ufmt-45d5b1d6476fb72d)
[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
[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 158) ... ok
[INFO] [stdout] test src/lib.rs - (line 86) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... 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 0.40s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "608881b8133710c22e12ef9ace0004235270a56b8db45e7012de1d4bcfb3f3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608881b8133710c22e12ef9ace0004235270a56b8db45e7012de1d4bcfb3f3c8", kill_on_drop: false }`
[INFO] [stdout] 608881b8133710c22e12ef9ace0004235270a56b8db45e7012de1d4bcfb3f3c8
