[INFO] crate fraction 0.6.2 is already in cache [INFO] extracting crate fraction 0.6.2 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/fraction/0.6.2 [INFO] extracting crate fraction 0.6.2 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/fraction/0.6.2 [INFO] validating manifest of fraction-0.6.2 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of fraction-0.6.2 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing fraction-0.6.2 [INFO] finished frobbing fraction-0.6.2 [INFO] frobbed toml for fraction-0.6.2 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/fraction/0.6.2/Cargo.toml [INFO] started frobbing fraction-0.6.2 [INFO] finished frobbing fraction-0.6.2 [INFO] frobbed toml for fraction-0.6.2 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/fraction/0.6.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking fraction-0.6.2 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/fraction/0.6.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] dcfe7bd7f4c73111421a35c4f9ec0029db19c4a8e8a8f72c5c298b24757659b5 [INFO] running `"docker" "start" "-a" "dcfe7bd7f4c73111421a35c4f9ec0029db19c4a8e8a8f72c5c298b24757659b5"` [INFO] [stderr] Checking num-integer v0.1.41 [INFO] [stderr] Checking num-complex v0.2.3 [INFO] [stderr] Checking num-bigint v0.2.2 [INFO] [stderr] Checking num-iter v0.1.39 [INFO] [stderr] Checking num-rational v0.2.2 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking fraction v0.6.2 (/opt/crater/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 17.83s [INFO] running `"docker" "inspect" "dcfe7bd7f4c73111421a35c4f9ec0029db19c4a8e8a8f72c5c298b24757659b5"` [INFO] running `"docker" "rm" "-f" "dcfe7bd7f4c73111421a35c4f9ec0029db19c4a8e8a8f72c5c298b24757659b5"` [INFO] [stdout] dcfe7bd7f4c73111421a35c4f9ec0029db19c4a8e8a8f72c5c298b24757659b5