[INFO] fetching crate ditto 0.2.0...
[INFO] checking ditto-0.2.0 against try#c05ee43175e02d208faed1fcc0f436c56e48bba6 for pr-92413
[INFO] extracting crate ditto 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ditto 0.2.0 on toolchain c05ee43175e02d208faed1fcc0f436c56e48bba6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ditto 0.2.0
[INFO] finished tweaking crates.io crate ditto 0.2.0
[INFO] tweaked toml for crates.io crate ditto 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff8f4853c541f600a9847667ea79c945e46357094257bdd28434fb43ed421388
[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" "ff8f4853c541f600a9847667ea79c945e46357094257bdd28434fb43ed421388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff8f4853c541f600a9847667ea79c945e46357094257bdd28434fb43ed421388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8f4853c541f600a9847667ea79c945e46357094257bdd28434fb43ed421388", kill_on_drop: false }`
[INFO] [stdout] ff8f4853c541f600a9847667ea79c945e46357094257bdd28434fb43ed421388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 222e2cc1d9bd444729e0f4724e629f96a65650aa14cf94b00e11fded147207ee
[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" "222e2cc1d9bd444729e0f4724e629f96a65650aa14cf94b00e11fded147207ee", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Compiling serde v1.0.133
[INFO] [stderr] Compiling syn v1.0.85
[INFO] [stderr] Checking assert_matches v1.5.0
[INFO] [stderr] Compiling num-traits v0.2.14
[INFO] [stderr] Compiling num-integer v0.1.44
[INFO] [stderr] Compiling num-iter v0.1.42
[INFO] [stderr] Checking rand v0.4.6
[INFO] [stderr] Checking num-complex v0.1.43
[INFO] [stderr] Checking rmp v0.8.10
[INFO] [stderr] Checking num-bigint v0.1.44
[INFO] [stderr] Checking num-rational v0.1.42
[INFO] [stderr] Checking num v0.1.42
[INFO] [stderr] Compiling serde_derive v1.0.133
[INFO] [stderr] Checking serde_json v1.0.74
[INFO] [stderr] Checking rmp-serde v0.13.7
[INFO] [stderr] Checking ditto v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: lifetime parameter `'a` never used
[INFO] [stdout] --> src/tree.rs:516:6
[INFO] [stdout] |
[INFO] [stdout] 516 | impl<'a, T: Element> FromIterator<T> for Tree<T> {
[INFO] [stdout] | ^^--
[INFO] [stdout] | |
[INFO] [stdout] | help: elide the unused lifetime
[INFO] [stdout] |
[INFO] [stdout] = note: `#[deny(unused_lifetimes)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] error: lifetime parameter `'a` never used
[INFO] [stdout] --> src/tree.rs:516:6
[INFO] [stdout] |
[INFO] [stdout] 516 | impl<'a, T: Element> FromIterator<T> for Tree<T> {
[INFO] [stdout] | ^^--
[INFO] [stdout] | |
[INFO] [stdout] | help: elide the unused lifetime
[INFO] [stdout] |
[INFO] [stdout] = note: `#[deny(unused_lifetimes)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout] --> src/sequence/uid.rs:86:16
[INFO] [stdout] |
[INFO] [stdout] 86 | panic!(format!("Uid cannot have more than ({}) levels", MAX_LEVEL));
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout] = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout] |
[INFO] [stdout] 86 - panic!(format!("Uid cannot have more than ({}) levels", MAX_LEVEL));
[INFO] [stdout] 86 + panic!("Uid cannot have more than ({}) levels", MAX_LEVEL);
[INFO] [stdout] |
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout] --> src/tree.rs:382:13
[INFO] [stdout] |
[INFO] [stdout] 382 | mem::replace(self, child);
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] error: could not compile `ditto` due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout] --> src/sequence/uid.rs:86:16
[INFO] [stdout] |
[INFO] [stdout] 86 | panic!(format!("Uid cannot have more than ({}) levels", MAX_LEVEL));
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout] = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout] |
[INFO] [stdout] 86 - panic!(format!("Uid cannot have more than ({}) levels", MAX_LEVEL));
[INFO] [stdout] 86 + panic!("Uid cannot have more than ({}) levels", MAX_LEVEL);
[INFO] [stdout] |
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout] --> src/tree.rs:382:13
[INFO] [stdout] |
[INFO] [stdout] 382 | mem::replace(self, child);
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "222e2cc1d9bd444729e0f4724e629f96a65650aa14cf94b00e11fded147207ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222e2cc1d9bd444729e0f4724e629f96a65650aa14cf94b00e11fded147207ee", kill_on_drop: false }`
[INFO] [stdout] 222e2cc1d9bd444729e0f4724e629f96a65650aa14cf94b00e11fded147207ee