[INFO] fetching crate ufmt 0.1.0...
[INFO] testing ufmt-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate ufmt 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate ufmt 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6836c4c14e5d4dc755321eeef252a0c261fc4525b7a96665a741486275d3848
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a6836c4c14e5d4dc755321eeef252a0c261fc4525b7a96665a741486275d3848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6836c4c14e5d4dc755321eeef252a0c261fc4525b7a96665a741486275d3848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6836c4c14e5d4dc755321eeef252a0c261fc4525b7a96665a741486275d3848", kill_on_drop: false }`
[INFO] [stdout] a6836c4c14e5d4dc755321eeef252a0c261fc4525b7a96665a741486275d3848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a88aa8a8179a43f69d526527318c861469590f5d343843a1126db40a08aa0f58
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a88aa8a8179a43f69d526527318c861469590f5d343843a1126db40a08aa0f58", kill_on_drop: false }`
[INFO] [stderr]    Compiling ufmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "a88aa8a8179a43f69d526527318c861469590f5d343843a1126db40a08aa0f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a88aa8a8179a43f69d526527318c861469590f5d343843a1126db40a08aa0f58", kill_on_drop: false }`
[INFO] [stdout] a88aa8a8179a43f69d526527318c861469590f5d343843a1126db40a08aa0f58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4009d4f8215d2d9426ccdf595ba080bd285b241fa0cac155e758d61533a665ae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4009d4f8215d2d9426ccdf595ba080bd285b241fa0cac155e758d61533a665ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling ufmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "4009d4f8215d2d9426ccdf595ba080bd285b241fa0cac155e758d61533a665ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4009d4f8215d2d9426ccdf595ba080bd285b241fa0cac155e758d61533a665ae", kill_on_drop: false }`
[INFO] [stdout] 4009d4f8215d2d9426ccdf595ba080bd285b241fa0cac155e758d61533a665ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1436949dc3334d31e68939968d8ee513d6bbba0a694433fe8eff88d4d79c3227
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1436949dc3334d31e68939968d8ee513d6bbba0a694433fe8eff88d4d79c3227", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ufmt-fcf9336b0a27379b
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ufmt
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 60) ... ok
[INFO] [stdout] test src/lib.rs - (line 86) ... 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]: no method named `do_as_formatter` found for struct `String` in the current scope
[INFO] [stdout]    --> src/lib.rs:51:1
[INFO] [stdout]     |
[INFO] [stdout] 11  |   uwrite!(s, "{:?}", pair).unwrap();
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^^ method not found in `String`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `do_as_formatter` exists but 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 a macro (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
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "1436949dc3334d31e68939968d8ee513d6bbba0a694433fe8eff88d4d79c3227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1436949dc3334d31e68939968d8ee513d6bbba0a694433fe8eff88d4d79c3227", kill_on_drop: false }`
[INFO] [stdout] 1436949dc3334d31e68939968d8ee513d6bbba0a694433fe8eff88d4d79c3227
