[INFO] fetching crate fraction 0.6.2... [INFO] checking fraction-0.6.2 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] extracting crate fraction 0.6.2 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate fraction 0.6.2 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate fraction 0.6.2 [INFO] finished tweaking crates.io crate fraction 0.6.2 [INFO] tweaked toml for crates.io crate fraction 0.6.2 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c3e5d5afe55ef4e34a6121b0af93a14b33bd221b52573a1fdacbbd5fbf09654a [INFO] running `"docker" "start" "-a" "c3e5d5afe55ef4e34a6121b0af93a14b33bd221b52573a1fdacbbd5fbf09654a"` [INFO] [stderr] Checking num-complex v0.2.3 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking fraction v0.6.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/division.rs:542:21 [INFO] [stderr] | [INFO] [stderr] 542 | writeable: &mut Write, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/division.rs:756:36 [INFO] [stderr] | [INFO] [stderr] 756 | pub fn write_digit(writeable: &mut Write, digit: u8) -> Result [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:56:23 [INFO] [stderr] | [INFO] [stderr] 56 | ExternalError(Box) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/fraction/display.rs:192:45 [INFO] [stderr] | [INFO] [stderr] 192 | pub fn format_sign(sign: Sign, buffer: &mut fmt::Write, format: &Format) -> fmt::Result { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/fraction/display.rs:225:18 [INFO] [stderr] | [INFO] [stderr] 225 | buffer: &mut fmt::Write, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/fraction/display.rs:351:20 [INFO] [stderr] | [INFO] [stderr] 351 | V: FnOnce(&mut fmt::Write, &Format) -> Result, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/fraction/display.rs:343:18 [INFO] [stderr] | [INFO] [stderr] 343 | buffer: &mut fmt::Write, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/division.rs:542:21 [INFO] [stderr] | [INFO] [stderr] 542 | writeable: &mut Write, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/division.rs:756:36 [INFO] [stderr] | [INFO] [stderr] 756 | pub fn write_digit(writeable: &mut Write, digit: u8) -> Result [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:56:23 [INFO] [stderr] | [INFO] [stderr] 56 | ExternalError(Box) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/fraction/display.rs:192:45 [INFO] [stderr] | [INFO] [stderr] 192 | pub fn format_sign(sign: Sign, buffer: &mut fmt::Write, format: &Format) -> fmt::Result { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/fraction/display.rs:225:18 [INFO] [stderr] | [INFO] [stderr] 225 | buffer: &mut fmt::Write, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/fraction/display.rs:351:20 [INFO] [stderr] | [INFO] [stderr] 351 | V: FnOnce(&mut fmt::Write, &Format) -> Result, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/fraction/display.rs:343:18 [INFO] [stderr] | [INFO] [stderr] 343 | buffer: &mut fmt::Write, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/division.rs:1088:21 [INFO] [stderr] | [INFO] [stderr] 1088 | let mut remainder = divide_to_writeable(&mut string, i.0, i.1, PRECISION, false).unwrap(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.71s [INFO] running `"docker" "inspect" "c3e5d5afe55ef4e34a6121b0af93a14b33bd221b52573a1fdacbbd5fbf09654a"` [INFO] running `"docker" "rm" "-f" "c3e5d5afe55ef4e34a6121b0af93a14b33bd221b52573a1fdacbbd5fbf09654a"` [INFO] [stdout] c3e5d5afe55ef4e34a6121b0af93a14b33bd221b52573a1fdacbbd5fbf09654a