[INFO] cloning repository https://github.com/neoeinstein/advent-of-code-2019 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neoeinstein/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneoeinstein%2Fadvent-of-code-2019", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneoeinstein%2Fadvent-of-code-2019'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0ab1f91284b8b68ea1220674b17f0e1764869820 [INFO] checking neoeinstein/advent-of-code-2019 against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134276 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneoeinstein%2Fadvent-of-code-2019" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/neoeinstein/advent-of-code-2019 on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/neoeinstein/advent-of-code-2019 [INFO] finished tweaking git repo https://github.com/neoeinstein/advent-of-code-2019 [INFO] tweaked toml for git repo https://github.com/neoeinstein/advent-of-code-2019 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/neoeinstein/advent-of-code-2019 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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded thiserror v1.0.9 [INFO] [stderr] Downloaded pretty_assertions v0.6.1 [INFO] [stderr] Downloaded termion v1.5.4 [INFO] [stderr] Downloaded snafu-derive v0.6.0 [INFO] [stderr] Downloaded snafu v0.6.0 [INFO] [stderr] Downloaded thiserror-impl v1.0.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c7592f297fb263c444fa3b3c1edd63f0ede9f3891014acce5d45e8c80b233f13 [INFO] running `Command { std: "docker" "start" "-a" "c7592f297fb263c444fa3b3c1edd63f0ede9f3891014acce5d45e8c80b233f13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7592f297fb263c444fa3b3c1edd63f0ede9f3891014acce5d45e8c80b233f13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7592f297fb263c444fa3b3c1edd63f0ede9f3891014acce5d45e8c80b233f13", kill_on_drop: false }` [INFO] [stdout] c7592f297fb263c444fa3b3c1edd63f0ede9f3891014acce5d45e8c80b233f13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e56d2701f34310de474959d2c03155b6875143630049a10499cdeee63d93fa32 [INFO] running `Command { std: "docker" "start" "-a" "e56d2701f34310de474959d2c03155b6875143630049a10499cdeee63d93fa32", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Compiling serde v1.0.103 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling doc-comment v0.3.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling anyhow 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[stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking criterion-plot v0.4.0 [INFO] [stderr] Checking rand_os v0.2.2 [INFO] [stderr] Checking rand_xoshiro v0.3.1 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Checking smallvec v1.0.0 [INFO] [stderr] Checking termion v1.5.4 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking rayon v1.2.1 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking tinytemplate v1.0.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling thiserror-impl v1.0.9 [INFO] [stderr] Compiling tokio-macros v0.2.0 [INFO] [stderr] Compiling snafu-derive v0.6.0 [INFO] [stderr] Compiling structopt-derive v0.3.5 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Checking tokio v0.2.6 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking thiserror v1.0.9 [INFO] [stderr] Checking structopt v0.3.5 [INFO] [stderr] Checking snafu v0.6.0 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking intcode v0.1.0 (/opt/rustwide/workdir/intcode) [INFO] [stderr] Checking advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.3.0 [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/day04.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | (values[0]..=values[1]) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 53 - (values[0]..=values[1]) [INFO] [stdout] 53 + values[0]..=values[1] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day03.rs:210:17 [INFO] [stdout] | [INFO] [stdout] 210 | BadDistance(std::num::ParseIntError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `InvalidDirective` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 210 | BadDistance(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Path` is never constructed [INFO] [stdout] --> src/day18.rs:778:8 [INFO] [stdout] | [INFO] [stdout] 778 | struct Path { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Path` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/day06.rs:283:17 [INFO] [stdout] | [INFO] [stdout] 283 | std::mem::replace(&mut current, n); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 283 | let _ = std::mem::replace(&mut current, n); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/day04.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | (values[0]..=values[1]) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 53 - (values[0]..=values[1]) [INFO] [stdout] 53 + values[0]..=values[1] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day03.rs:210:17 [INFO] [stdout] | [INFO] [stdout] 210 | BadDistance(std::num::ParseIntError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `InvalidDirective` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 210 | BadDistance(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Path` is never constructed [INFO] [stdout] --> src/day18.rs:778:8 [INFO] [stdout] | [INFO] [stdout] 778 | struct Path { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Path` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/day06.rs:283:17 [INFO] [stdout] | [INFO] [stdout] 283 | std::mem::replace(&mut current, n); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 283 | let _ = std::mem::replace(&mut current, n); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.30s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "e56d2701f34310de474959d2c03155b6875143630049a10499cdeee63d93fa32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e56d2701f34310de474959d2c03155b6875143630049a10499cdeee63d93fa32", kill_on_drop: false }` [INFO] [stdout] e56d2701f34310de474959d2c03155b6875143630049a10499cdeee63d93fa32