[INFO] cloning repository https://github.com/Olyol95/aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Olyol95/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOlyol95%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOlyol95%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2a1c626e909b02979718593e849cff0dc1b7639
[INFO] building Olyol95/aoc-2020 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%2FOlyol95%2Faoc-2020" "/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/Olyol95/aoc-2020 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/Olyol95/aoc-2020
[INFO] finished tweaking git repo https://github.com/Olyol95/aoc-2020
[INFO] tweaked toml for git repo https://github.com/Olyol95/aoc-2020 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Olyol95/aoc-2020 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] 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] 34e94f4965175035fae590eb0dc123bce4e68e587fa8d037b7ff351481607509
[INFO] running `Command { std: "docker" "start" "-a" "34e94f4965175035fae590eb0dc123bce4e68e587fa8d037b7ff351481607509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34e94f4965175035fae590eb0dc123bce4e68e587fa8d037b7ff351481607509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e94f4965175035fae590eb0dc123bce4e68e587fa8d037b7ff351481607509", kill_on_drop: false }`
[INFO] [stdout] 34e94f4965175035fae590eb0dc123bce4e68e587fa8d037b7ff351481607509
[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] 0dc1182f6b9dcad655e73d3c21240417e849770c2c800ffdbfe5b3dd3097cacc
[INFO] running `Command { std: "docker" "start" "-a" "0dc1182f6b9dcad655e73d3c21240417e849770c2c800ffdbfe5b3dd3097cacc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling aoc_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/solution/day14.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl U36 {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]  --> src/solution/day16.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Rule {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 6 |     field: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `your_ticket` is never read
[INFO] [stdout]   --> src/solution/day16.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Day16 {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 22 |     rules: Vec<Rule>,
[INFO] [stdout] 23 |     your_ticket: Vec<u16>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug` is never used
[INFO] [stdout]    --> src/solution/day17.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl Day17 {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn debug(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> src/solution/day7.rs:73:38
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 to_remove.push(colour.clone());
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `Command { std: "docker" "inspect" "0dc1182f6b9dcad655e73d3c21240417e849770c2c800ffdbfe5b3dd3097cacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc1182f6b9dcad655e73d3c21240417e849770c2c800ffdbfe5b3dd3097cacc", kill_on_drop: false }`
[INFO] [stdout] 0dc1182f6b9dcad655e73d3c21240417e849770c2c800ffdbfe5b3dd3097cacc
[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] 29dcb011e0f42486bf5192365fbe0c93d8c2035c27b7f027493be25d53be0360
[INFO] running `Command { std: "docker" "start" "-a" "29dcb011e0f42486bf5192365fbe0c93d8c2035c27b7f027493be25d53be0360", kill_on_drop: false }`
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/solution/day14.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl U36 {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]  --> src/solution/day16.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Rule {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 6 |     field: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aoc_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `your_ticket` is never read
[INFO] [stdout]   --> src/solution/day16.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Day16 {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 22 |     rules: Vec<Rule>,
[INFO] [stdout] 23 |     your_ticket: Vec<u16>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug` is never used
[INFO] [stdout]    --> src/solution/day17.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl Day17 {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn debug(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> src/solution/day7.rs:73:38
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 to_remove.push(colour.clone());
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/solution/day14.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl U36 {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]  --> src/solution/day16.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Rule {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 6 |     field: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `your_ticket` is never read
[INFO] [stdout]   --> src/solution/day16.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Day16 {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 22 |     rules: Vec<Rule>,
[INFO] [stdout] 23 |     your_ticket: Vec<u16>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug` is never used
[INFO] [stdout]    --> src/solution/day17.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl Day17 {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn debug(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> src/solution/day7.rs:73:38
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 to_remove.push(colour.clone());
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "29dcb011e0f42486bf5192365fbe0c93d8c2035c27b7f027493be25d53be0360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29dcb011e0f42486bf5192365fbe0c93d8c2035c27b7f027493be25d53be0360", kill_on_drop: false }`
[INFO] [stdout] 29dcb011e0f42486bf5192365fbe0c93d8c2035c27b7f027493be25d53be0360