[INFO] cloning repository https://github.com/robertdfrench/bignum [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robertdfrench/bignum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertdfrench%2Fbignum", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertdfrench%2Fbignum'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c90b50b59f58bd1c0619e1485a51054b76391ae9 [INFO] checking robertdfrench/bignum against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertdfrench%2Fbignum" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/robertdfrench/bignum [INFO] finished tweaking git repo https://github.com/robertdfrench/bignum [INFO] tweaked toml for git repo https://github.com/robertdfrench/bignum written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/robertdfrench/bignum on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/robertdfrench/bignum already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aca835be40e5d2acc6c355b0b82cb9fa66c288c259268e688b53b125807de00a [INFO] running `Command { std: "docker" "start" "-a" "aca835be40e5d2acc6c355b0b82cb9fa66c288c259268e688b53b125807de00a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aca835be40e5d2acc6c355b0b82cb9fa66c288c259268e688b53b125807de00a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aca835be40e5d2acc6c355b0b82cb9fa66c288c259268e688b53b125807de00a", kill_on_drop: false }` [INFO] [stdout] aca835be40e5d2acc6c355b0b82cb9fa66c288c259268e688b53b125807de00a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27ccb0b57a29c85c4016d02d78ab32ac2b19cdf669b2802850aacaa6782fd2f6 [INFO] running `Command { std: "docker" "start" "-a" "27ccb0b57a29c85c4016d02d78ab32ac2b19cdf669b2802850aacaa6782fd2f6", kill_on_drop: false }` [INFO] [stderr] Checking bignum v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `Digit` is never used [INFO] [stdout] --> src/digit.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Digit { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CarrySum` is never constructed [INFO] [stdout] --> src/digit.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct CarrySum { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `add_two` are never used [INFO] [stdout] --> src/digit.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 25 | impl CarrySum { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 26 | fn new(carry: bool, sum: Digit) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn add_two(&self, a: Digit, b: Digit) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BorrowDifference` is never constructed [INFO] [stdout] --> src/digit.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 54 | pub struct BorrowDifference { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CarryProduct` is never constructed [INFO] [stdout] --> src/digit.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 82 | pub struct CarryProduct { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `mul_two` are never used [INFO] [stdout] --> src/digit.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 87 | impl CarryProduct { [INFO] [stdout] | ----------------- associated items in this implementation [INFO] [stdout] 88 | fn new(carry: Digit, product: Digit) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn mul_two(&self, a: Digit, b: Digit) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_u8` is never used [INFO] [stdout] --> src/digit.rs:142:8 [INFO] [stdout] | [INFO] [stdout] 141 | impl Digit { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 142 | fn as_u8(&self) -> u8 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Natural` is never constructed [INFO] [stdout] --> src/natural.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Natural { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `zero`, `one`, `increment`, `degree`, `coefficient`, and `set_coefficient` are never used [INFO] [stdout] --> src/natural.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 64 | impl Natural { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 65 | pub fn zero() -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | pub fn one() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn increment(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | pub fn degree(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | pub fn coefficient(&self, power: usize) -> digit::Digit { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn set_coefficient(&mut self, power: usize, coefficient: digit::Digit) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "27ccb0b57a29c85c4016d02d78ab32ac2b19cdf669b2802850aacaa6782fd2f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27ccb0b57a29c85c4016d02d78ab32ac2b19cdf669b2802850aacaa6782fd2f6", kill_on_drop: false }` [INFO] [stdout] 27ccb0b57a29c85c4016d02d78ab32ac2b19cdf669b2802850aacaa6782fd2f6