[INFO] cloning repository https://github.com/Harrison-M/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Harrison-M/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarrison-M%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarrison-M%2Faoc2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c25baa2e85b35797193f440e9bfd061f328f8c6f [INFO] checking Harrison-M/aoc2020/c25baa2e85b35797193f440e9bfd061f328f8c6f against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarrison-M%2Faoc2020" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Harrison-M/aoc2020 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Harrison-M/aoc2020 [INFO] finished tweaking git repo https://github.com/Harrison-M/aoc2020 [INFO] tweaked toml for git repo https://github.com/Harrison-M/aoc2020 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Harrison-M/aoc2020 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded weak-table v0.3.0 [INFO] [stderr] Downloaded modinverse v0.1.1 [INFO] [stderr] Downloaded ndarray v0.14.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be3d6b44d321e4aadf0fe22782808e7d5ed6f261758c86576e10533a2d8cb263 [INFO] running `Command { std: "docker" "start" "-a" "be3d6b44d321e4aadf0fe22782808e7d5ed6f261758c86576e10533a2d8cb263", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be3d6b44d321e4aadf0fe22782808e7d5ed6f261758c86576e10533a2d8cb263", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be3d6b44d321e4aadf0fe22782808e7d5ed6f261758c86576e10533a2d8cb263", kill_on_drop: false }` [INFO] [stdout] be3d6b44d321e4aadf0fe22782808e7d5ed6f261758c86576e10533a2d8cb263 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6beed97c80a2cdc38fbdd545d3babb90dabd247c615a251f7042eb91d9c1e30c [INFO] running `Command { std: "docker" "start" "-a" "6beed97c80a2cdc38fbdd545d3babb90dabd247c615a251f7042eb91d9c1e30c", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling ndarray v0.14.0 [INFO] [stderr] Checking weak-table v0.3.0 [INFO] [stderr] Checking day23 v0.1.0 (/opt/rustwide/workdir/day23) [INFO] [stderr] Checking day05 v0.1.0 (/opt/rustwide/workdir/day05) [INFO] [stderr] Checking day08 v0.1.0 (/opt/rustwide/workdir/day08) [INFO] [stderr] Checking day10 v0.1.0 (/opt/rustwide/workdir/day10) [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking day06 v0.1.0 (/opt/rustwide/workdir/day06) [INFO] [stderr] Checking day02 v0.1.0 (/opt/rustwide/workdir/day02) [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking day04 v0.1.0 (/opt/rustwide/workdir/day04) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> day10/src/main.rs:43:46 [INFO] [stdout] | [INFO] [stdout] 43 | let mut rest_candidate = rest.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[usize]` does not implement `Clone`, so calling `clone` on `&[usize]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking day14 v0.1.0 (/opt/rustwide/workdir/day14) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day08/src/main.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | let mut instruction = program_fix.get_mut(*candidate).unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking day07 v0.1.0 (/opt/rustwide/workdir/day07) [INFO] [stderr] Checking day16 v0.1.0 (/opt/rustwide/workdir/day16) [INFO] [stderr] Checking day15 v0.1.0 (/opt/rustwide/workdir/day15) [INFO] [stderr] Checking day22 v0.1.0 (/opt/rustwide/workdir/day22) [INFO] [stderr] Checking day01 v0.1.0 (/opt/rustwide/workdir/day01) [INFO] [stderr] Checking day18 v0.1.0 (/opt/rustwide/workdir/day18) [INFO] [stderr] Checking day25 v0.1.0 (/opt/rustwide/workdir/day25) [INFO] [stderr] Checking day03 v0.1.0 (/opt/rustwide/workdir/day03) [INFO] [stdout] warning: field `other_tickets` is never read [INFO] [stdout] --> day16/src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct Problem<'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | other_tickets: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Problem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `other_tickets` is never read [INFO] [stdout] --> day16/src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct Problem<'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | other_tickets: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Problem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day08/src/main.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | let mut instruction = program_fix.get_mut(*candidate).unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> day10/src/main.rs:43:46 [INFO] [stdout] | [INFO] [stdout] 43 | let mut rest_candidate = rest.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[usize]` does not implement `Clone`, so calling `clone` on `&[usize]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking day09 v0.1.0 (/opt/rustwide/workdir/day09) [INFO] [stderr] Checking day17 v0.1.0 (/opt/rustwide/workdir/day17) [INFO] [stderr] Checking day21 v0.1.0 (/opt/rustwide/workdir/day21) [INFO] [stderr] Checking day19 v0.1.0 (/opt/rustwide/workdir/day19) [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> day21/src/main.rs:70:49 [INFO] [stdout] | [INFO] [stdout] 70 | .map(|(allergen, set)| (allergen.clone(), set.clone())) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> day21/src/main.rs:70:49 [INFO] [stdout] | [INFO] [stdout] 70 | .map(|(allergen, set)| (allergen.clone(), set.clone())) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking modinverse v0.1.1 [INFO] [stderr] Checking day13 v0.1.0 (/opt/rustwide/workdir/day13) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-bigint-0.3.1/src/biguint.rs:208:19 [INFO] [stdout] | [INFO] [stdout] 208 | .div_ceil(&big_digit::BITS.into()) [INFO] [stdout] | -------- ^^^^^^^^^^^^^^^^^^^^^^^ expected `u64`, found `&_` [INFO] [stdout] | | [INFO] [stdout] | arguments to this method are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected type `u64` [INFO] [stdout] found reference `&_` [INFO] [stdout] note: method defined here [INFO] [stdout] --> /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/num/mod.rs:1160:5 [INFO] [stdout] = note: this error originates in the macro `uint_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 208 - .div_ceil(&big_digit::BITS.into()) [INFO] [stdout] 208 + .div_ceil(big_digit::BITS.into()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-bigint-0.3.1/src/biguint.rs:1712:54 [INFO] [stdout] | [INFO] [stdout] 1712 | let root_scale = extra_bits.div_ceil(&n64); [INFO] [stdout] | -------- ^^^^ expected `u64`, found `&u64` [INFO] [stdout] | | [INFO] [stdout] | arguments to this method are incorrect [INFO] [stdout] | [INFO] [stdout] note: method defined here [INFO] [stdout] --> /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/num/mod.rs:1160:5 [INFO] [stdout] = note: this error originates in the macro `uint_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 1712 - let root_scale = extra_bits.div_ceil(&n64); [INFO] [stdout] 1712 + let root_scale = extra_bits.div_ceil(n64); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-bigint-0.3.1/src/biguint.rs:2128:19 [INFO] [stdout] | [INFO] [stdout] 2128 | .div_ceil(&u64::from(bits)) [INFO] [stdout] | -------- ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64` [INFO] [stdout] | | [INFO] [stdout] | arguments to this method are incorrect [INFO] [stdout] | [INFO] [stdout] note: method defined here [INFO] [stdout] --> /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/num/mod.rs:1160:5 [INFO] [stdout] = note: this error originates in the macro `uint_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 2128 - .div_ceil(&u64::from(bits)) [INFO] [stdout] 2128 + .div_ceil(u64::from(bits)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-bigint-0.3.1/src/biguint.rs:2156:19 [INFO] [stdout] | [INFO] [stdout] 2156 | .div_ceil(&u64::from(bits)) [INFO] [stdout] | -------- ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64` [INFO] [stdout] | | [INFO] [stdout] | arguments to this method are incorrect [INFO] [stdout] | [INFO] [stdout] note: method defined here [INFO] [stdout] --> /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/num/mod.rs:1160:5 [INFO] [stdout] = note: this error originates in the macro `uint_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 2156 - .div_ceil(&u64::from(bits)) [INFO] [stdout] 2156 + .div_ceil(u64::from(bits)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `num-bigint` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "6beed97c80a2cdc38fbdd545d3babb90dabd247c615a251f7042eb91d9c1e30c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6beed97c80a2cdc38fbdd545d3babb90dabd247c615a251f7042eb91d9c1e30c", kill_on_drop: false }` [INFO] [stdout] 6beed97c80a2cdc38fbdd545d3babb90dabd247c615a251f7042eb91d9c1e30c