[INFO] cloning repository https://github.com/bm-w/advent20-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bm-w/advent20-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbm-w%2Fadvent20-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbm-w%2Fadvent20-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c7080e0daf313deb1daf6ac4de5ac74f0ee3ce3f [INFO] building bm-w/advent20-rs 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%2Fbm-w%2Fadvent20-rs" "/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/bm-w/advent20-rs 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/bm-w/advent20-rs [INFO] finished tweaking git repo https://github.com/bm-w/advent20-rs [INFO] tweaked toml for git repo https://github.com/bm-w/advent20-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bm-w/advent20-rs 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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94d80320bd4bbf0f966880f3e82b94a9d34e613b3fae45b278b6573ae380f8d3 [INFO] running `Command { std: "docker" "start" "-a" "94d80320bd4bbf0f966880f3e82b94a9d34e613b3fae45b278b6573ae380f8d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94d80320bd4bbf0f966880f3e82b94a9d34e613b3fae45b278b6573ae380f8d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94d80320bd4bbf0f966880f3e82b94a9d34e613b3fae45b278b6573ae380f8d3", kill_on_drop: false }` [INFO] [stdout] 94d80320bd4bbf0f966880f3e82b94a9d34e613b3fae45b278b6573ae380f8d3 [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 -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] 51078a4f8927044e6a8365fba97e2ed939b9faf47aebb8d48c50a5f4837f97b7 [INFO] running `Command { std: "docker" "start" "-a" "51078a4f8927044e6a8365fba97e2ed939b9faf47aebb8d48c50a5f4837f97b7", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling advent20 v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/day16.rs:21:86 [INFO] [stdout] | [INFO] [stdout] 21 | fn invalid_ticket_numbers<'a>(&'a self, ticket: &'a Ticket) -> impl Iterator + 'a { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day04.rs:106:38 [INFO] [stdout] | [INFO] [stdout] 106 | pub(super) struct InvalidFieldError(String); [INFO] [stdout] | ----------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidFieldError` 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 `0` is never read [INFO] [stdout] --> src/day05.rs:88:36 [INFO] [stdout] | [INFO] [stdout] 88 | pub(super) struct InvalidRowError(char); [INFO] [stdout] | --------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidRowError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day05.rs:102:39 [INFO] [stdout] | [INFO] [stdout] 102 | pub(super) struct InvalidColumnError(char); [INFO] [stdout] | ------------------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidColumnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day07.rs:75:21 [INFO] [stdout] | [INFO] [stdout] 75 | InvalidColorWords(usize), [INFO] [stdout] | ----------------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `BagError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 75 | InvalidColorWords(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day08.rs:81:35 [INFO] [stdout] | [INFO] [stdout] 81 | pub(super) struct InvalidOpError(String); [INFO] [stdout] | -------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidOpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day13.rs:107:36 [INFO] [stdout] | [INFO] [stdout] 107 | pub(super) struct InvalidBusError(ParseIntError); [INFO] [stdout] | --------------- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidBusError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day24.rs:115:8 [INFO] [stdout] | [INFO] [stdout] 115 | Char(char), [INFO] [stdout] | ---- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `DirError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 115 | Char(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day24.rs:116:8 [INFO] [stdout] | [INFO] [stdout] 116 | Next(Option) [INFO] [stdout] | ---- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `DirError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 116 | Next(()) [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.64s [INFO] running `Command { std: "docker" "inspect" "51078a4f8927044e6a8365fba97e2ed939b9faf47aebb8d48c50a5f4837f97b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51078a4f8927044e6a8365fba97e2ed939b9faf47aebb8d48c50a5f4837f97b7", kill_on_drop: false }` [INFO] [stdout] 51078a4f8927044e6a8365fba97e2ed939b9faf47aebb8d48c50a5f4837f97b7 [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 -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] 550ba9bc18ad86c4c4dad1f843c7ef620ded061939ee4702416fefe217145261 [INFO] running `Command { std: "docker" "start" "-a" "550ba9bc18ad86c4c4dad1f843c7ef620ded061939ee4702416fefe217145261", 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 v0.4.3 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling unindent v0.1.8 [INFO] [stderr] Compiling indoc v1.0.4 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling num v0.4.0 [INFO] [stderr] Compiling advent20 v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/day16.rs:21:86 [INFO] [stdout] | [INFO] [stdout] 21 | fn invalid_ticket_numbers<'a>(&'a self, ticket: &'a Ticket) -> impl Iterator + 'a { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day04.rs:106:38 [INFO] [stdout] | [INFO] [stdout] 106 | pub(super) struct InvalidFieldError(String); [INFO] [stdout] | ----------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidFieldError` 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 `0` is never read [INFO] [stdout] --> src/day05.rs:88:36 [INFO] [stdout] | [INFO] [stdout] 88 | pub(super) struct InvalidRowError(char); [INFO] [stdout] | --------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidRowError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day05.rs:102:39 [INFO] [stdout] | [INFO] [stdout] 102 | pub(super) struct InvalidColumnError(char); [INFO] [stdout] | ------------------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidColumnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day13.rs:107:36 [INFO] [stdout] | [INFO] [stdout] 107 | pub(super) struct InvalidBusError(ParseIntError); [INFO] [stdout] | --------------- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidBusError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day24.rs:115:8 [INFO] [stdout] | [INFO] [stdout] 115 | Char(char), [INFO] [stdout] | ---- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `DirError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 115 | Char(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day24.rs:116:8 [INFO] [stdout] | [INFO] [stdout] 116 | Next(Option) [INFO] [stdout] | ---- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `DirError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 116 | Next(()) [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.96s [INFO] running `Command { std: "docker" "inspect" "550ba9bc18ad86c4c4dad1f843c7ef620ded061939ee4702416fefe217145261", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "550ba9bc18ad86c4c4dad1f843c7ef620ded061939ee4702416fefe217145261", kill_on_drop: false }` [INFO] [stdout] 550ba9bc18ad86c4c4dad1f843c7ef620ded061939ee4702416fefe217145261