[INFO] crate fraction 0.6.2 is already in cache [INFO] checking fraction-0.6.2 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665 [INFO] extracting crate fraction 0.6.2 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate fraction 0.6.2 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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-8/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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] b0efd1cfd8388b64c470e46eea12cb0373849e0521fd3cfc1909d19e755b7178 [INFO] running `"docker" "start" "-a" "b0efd1cfd8388b64c470e46eea12cb0373849e0521fd3cfc1909d19e755b7178"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Checking num v0.2.1 [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: unnecessary braces around block return value [INFO] [stderr] --> src/generic.rs:76:33 [INFO] [stderr] | [INFO] [stderr] 76 | static ref _0_BU: BigUint = { BigUint::zero() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/generic.rs:77:33 [INFO] [stderr] | [INFO] [stderr] 77 | static ref _1_BU: BigUint = { BigUint::one() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/generic.rs:78:34 [INFO] [stderr] | [INFO] [stderr] 78 | static ref _10_BU: BigUint = { BigUint::from(10u8) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/generic.rs:79:32 [INFO] [stderr] | [INFO] [stderr] 79 | static ref _0_BI: BigInt = { BigInt::zero() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/generic.rs:80:32 [INFO] [stderr] | [INFO] [stderr] 80 | static ref _1_BI: BigInt = { BigInt::one() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/generic.rs:81:33 [INFO] [stderr] | [INFO] [stderr] 81 | static ref _10_BI: BigInt = { BigInt::from(10i8) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [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: unnecessary braces around block return value [INFO] [stderr] --> src/generic.rs:76:33 [INFO] [stderr] | [INFO] [stderr] 76 | static ref _0_BU: BigUint = { BigUint::zero() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/generic.rs:77:33 [INFO] [stderr] | [INFO] [stderr] 77 | static ref _1_BU: BigUint = { BigUint::one() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/generic.rs:78:34 [INFO] [stderr] | [INFO] [stderr] 78 | static ref _10_BU: BigUint = { BigUint::from(10u8) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/generic.rs:79:32 [INFO] [stderr] | [INFO] [stderr] 79 | static ref _0_BI: BigInt = { BigInt::zero() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/generic.rs:80:32 [INFO] [stderr] | [INFO] [stderr] 80 | static ref _1_BI: BigInt = { BigInt::one() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/generic.rs:81:33 [INFO] [stderr] | [INFO] [stderr] 81 | static ref _10_BI: BigInt = { BigInt::from(10i8) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [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] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.96s [INFO] running `"docker" "inspect" "b0efd1cfd8388b64c470e46eea12cb0373849e0521fd3cfc1909d19e755b7178"` [INFO] running `"docker" "rm" "-f" "b0efd1cfd8388b64c470e46eea12cb0373849e0521fd3cfc1909d19e755b7178"` [INFO] [stdout] b0efd1cfd8388b64c470e46eea12cb0373849e0521fd3cfc1909d19e755b7178