[INFO] cloning repository https://github.com/vlmonk/advent2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vlmonk/advent2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlmonk%2Fadvent2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlmonk%2Fadvent2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 55ef4a558e8bf43f7722ef1635266c1e93087ac7 [INFO] building vlmonk/advent2020 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlmonk%2Fadvent2020" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vlmonk/advent2020 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vlmonk/advent2020 [INFO] finished tweaking git repo https://github.com/vlmonk/advent2020 [INFO] tweaked toml for git repo https://github.com/vlmonk/advent2020 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/vlmonk/advent2020 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e8dda1c3496e8e7a681d9eb814dc09b022cae9c0ed1c263397d322a7f8ef2a63 [INFO] running `Command { std: "docker" "start" "-a" "e8dda1c3496e8e7a681d9eb814dc09b022cae9c0ed1c263397d322a7f8ef2a63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e8dda1c3496e8e7a681d9eb814dc09b022cae9c0ed1c263397d322a7f8ef2a63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8dda1c3496e8e7a681d9eb814dc09b022cae9c0ed1c263397d322a7f8ef2a63", kill_on_drop: false }` [INFO] [stdout] e8dda1c3496e8e7a681d9eb814dc09b022cae9c0ed1c263397d322a7f8ef2a63 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bfc9f8cc5dc5590713d5b38dbb71ec66b522e8a5d2d69e50eb18d1eacf6a7132 [INFO] running `Command { std: "docker" "start" "-a" "bfc9f8cc5dc5590713d5b38dbb71ec66b522e8a5d2d69e50eb18d1eacf6a7132", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling advent2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher` [INFO] [stdout] --> src/day22/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::hash_map::DefaultHasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hasher` [INFO] [stdout] --> src/day22/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::hash::Hasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:360:13 [INFO] [stdout] | [INFO] [stdout] 360 | / writeln!( [INFO] [stdout] 361 | | f, [INFO] [stdout] 362 | | "Dimension: X: {}:{}, Y: {}:{}, Z: {}:{}", [INFO] [stdout] 363 | | d.min.x, d.max.x, d.min.y, d.max.y, d.min.z, d.max.z [INFO] [stdout] 364 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:367:17 [INFO] [stdout] | [INFO] [stdout] 367 | write!(f, "Layer {}\n", z); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:371:29 [INFO] [stdout] | [INFO] [stdout] 371 | ... write!(f, "#"); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:373:29 [INFO] [stdout] | [INFO] [stdout] 373 | ... write!(f, "."); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:377:21 [INFO] [stdout] | [INFO] [stdout] 377 | write!(f, "\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Lexer` is never used [INFO] [stdout] --> src/day18/lexer.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | trait Lexer: Iterator { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.73s [INFO] running `Command { std: "docker" "inspect" "bfc9f8cc5dc5590713d5b38dbb71ec66b522e8a5d2d69e50eb18d1eacf6a7132", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfc9f8cc5dc5590713d5b38dbb71ec66b522e8a5d2d69e50eb18d1eacf6a7132", kill_on_drop: false }` [INFO] [stdout] bfc9f8cc5dc5590713d5b38dbb71ec66b522e8a5d2d69e50eb18d1eacf6a7132 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d7eb3f835189435df4a85d9d34478932eb55cc575df4e9cc57b9b8b326bf6cf1 [INFO] running `Command { std: "docker" "start" "-a" "d7eb3f835189435df4a85d9d34478932eb55cc575df4e9cc57b9b8b326bf6cf1", kill_on_drop: false }` [INFO] [stderr] Compiling advent2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `Lexer` is never used [INFO] [stdout] --> src/day18/lexer.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | trait Lexer: Iterator { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:360:13 [INFO] [stdout] | [INFO] [stdout] 360 | / writeln!( [INFO] [stdout] 361 | | f, [INFO] [stdout] 362 | | "Dimension: X: {}:{}, Y: {}:{}, Z: {}:{}", [INFO] [stdout] 363 | | d.min.x, d.max.x, d.min.y, d.max.y, d.min.z, d.max.z [INFO] [stdout] 364 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:367:17 [INFO] [stdout] | [INFO] [stdout] 367 | write!(f, "Layer {}\n", z); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:371:29 [INFO] [stdout] | [INFO] [stdout] 371 | ... write!(f, "#"); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:373:29 [INFO] [stdout] | [INFO] [stdout] 373 | ... write!(f, "."); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:377:21 [INFO] [stdout] | [INFO] [stdout] 377 | write!(f, "\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher` [INFO] [stdout] --> src/day22/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::hash_map::DefaultHasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hasher` [INFO] [stdout] --> src/day22/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::hash::Hasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.17s [INFO] running `Command { std: "docker" "inspect" "d7eb3f835189435df4a85d9d34478932eb55cc575df4e9cc57b9b8b326bf6cf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7eb3f835189435df4a85d9d34478932eb55cc575df4e9cc57b9b8b326bf6cf1", kill_on_drop: false }` [INFO] [stdout] d7eb3f835189435df4a85d9d34478932eb55cc575df4e9cc57b9b8b326bf6cf1