[INFO] cloning repository https://github.com/skermes/aoc20 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skermes/aoc20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskermes%2Faoc20", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskermes%2Faoc20'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3fffc5894f33c57fa22053ddd7ea98aedaf4ec46 [INFO] building skermes/aoc20 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%2Fskermes%2Faoc20" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/skermes/aoc20 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/skermes/aoc20 [INFO] finished tweaking git repo https://github.com/skermes/aoc20 [INFO] tweaked toml for git repo https://github.com/skermes/aoc20 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/skermes/aoc20 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] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libmath v0.1.4 [INFO] [stderr] Downloaded prime_tools v0.3.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 123c4bf95d8615f77536fe2ca2d37db84c915bd2d730476867575ac3fe87e9ec [INFO] running `Command { std: "docker" "start" "-a" "123c4bf95d8615f77536fe2ca2d37db84c915bd2d730476867575ac3fe87e9ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "123c4bf95d8615f77536fe2ca2d37db84c915bd2d730476867575ac3fe87e9ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "123c4bf95d8615f77536fe2ca2d37db84c915bd2d730476867575ac3fe87e9ec", kill_on_drop: false }` [INFO] [stdout] 123c4bf95d8615f77536fe2ca2d37db84c915bd2d730476867575ac3fe87e9ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6c27634ea0373a49ad655535616e4f68b979ab4ee47e1cd18883b6c6cfec61b6 [INFO] running `Command { std: "docker" "start" "-a" "6c27634ea0373a49ad655535616e4f68b979ab4ee47e1cd18883b6c6cfec61b6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling libmath v0.1.4 [INFO] [stderr] Compiling prime_tools v0.3.4 [INFO] [stderr] Compiling aoc20 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(str_split_once)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/days/eight.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | let mut instruction = &mut self.instructions[self.pointer]; [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: variable does not need to be mutable [INFO] [stdout] --> src/days/eight.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 143 | let mut instruction = &mut self.instructions[line]; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.84s [INFO] running `Command { std: "docker" "inspect" "6c27634ea0373a49ad655535616e4f68b979ab4ee47e1cd18883b6c6cfec61b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c27634ea0373a49ad655535616e4f68b979ab4ee47e1cd18883b6c6cfec61b6", kill_on_drop: false }` [INFO] [stdout] 6c27634ea0373a49ad655535616e4f68b979ab4ee47e1cd18883b6c6cfec61b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a80c9ed3a58968c47d2cbaefe77fc6db28cf7668b54c33f0bf456aa3470f8fec [INFO] running `Command { std: "docker" "start" "-a" "a80c9ed3a58968c47d2cbaefe77fc6db28cf7668b54c33f0bf456aa3470f8fec", kill_on_drop: false }` [INFO] [stderr] Compiling aoc20 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(str_split_once)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/days/eight.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | let mut instruction = &mut self.instructions[self.pointer]; [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: variable does not need to be mutable [INFO] [stdout] --> src/days/eight.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 143 | let mut instruction = &mut self.instructions[line]; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "a80c9ed3a58968c47d2cbaefe77fc6db28cf7668b54c33f0bf456aa3470f8fec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a80c9ed3a58968c47d2cbaefe77fc6db28cf7668b54c33f0bf456aa3470f8fec", kill_on_drop: false }` [INFO] [stdout] a80c9ed3a58968c47d2cbaefe77fc6db28cf7668b54c33f0bf456aa3470f8fec