[INFO] cloning repository https://github.com/JuanOpizzi/rust-airline-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JuanOpizzi/rust-airline-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanOpizzi%2Frust-airline-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanOpizzi%2Frust-airline-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77619683a11409dd1f5f615ca93498d8ecd70fc2
[INFO] checking JuanOpizzi/rust-airline-system against try#89681135fd92d7dee32c3e562b052ee82f97008c for pr-97086
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanOpizzi%2Frust-airline-system" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JuanOpizzi/rust-airline-system on toolchain 89681135fd92d7dee32c3e562b052ee82f97008c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JuanOpizzi/rust-airline-system
[INFO] finished tweaking git repo https://github.com/JuanOpizzi/rust-airline-system
[INFO] tweaked toml for git repo https://github.com/JuanOpizzi/rust-airline-system written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/JuanOpizzi/rust-airline-system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c500757795c85edb6b45cb2601b4a975d46c15e2103a0674dbe198083d432145
[INFO] running `Command { std: "docker" "start" "-a" "c500757795c85edb6b45cb2601b4a975d46c15e2103a0674dbe198083d432145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c500757795c85edb6b45cb2601b4a975d46c15e2103a0674dbe198083d432145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c500757795c85edb6b45cb2601b4a975d46c15e2103a0674dbe198083d432145", kill_on_drop: false }`
[INFO] [stdout] c500757795c85edb6b45cb2601b4a975d46c15e2103a0674dbe198083d432145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00065be5aec73b975402c951b286793190cc2b1701d0e2ac3d3244751efe1867
[INFO] running `Command { std: "docker" "start" "-a" "00065be5aec73b975402c951b286793190cc2b1701d0e2ac3d3244751efe1867", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking airline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Occupied`
[INFO] [stdout]  --> src/classes/seat.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Occupied,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `SeatState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/classes/seat.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Copy, Clone, PartialEq)]
[INFO] [stdout]   |          ^^^^^        ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Occupied`
[INFO] [stdout]  --> src/classes/seat.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Occupied,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `SeatState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/classes/seat.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Copy, Clone, PartialEq)]
[INFO] [stdout]   |          ^^^^^        ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Free`
[INFO] [stdout]  --> src/classes/seat.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Free,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `SeatState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/classes/seat.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Copy, Clone, PartialEq)]
[INFO] [stdout]   |          ^^^^^        ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Disabled`
[INFO] [stdout]  --> src/classes/seat.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Disabled,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `SeatState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/classes/seat.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Copy, Clone, PartialEq)]
[INFO] [stdout]   |          ^^^^^        ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]   --> src/classes/seat.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     state: SeatState,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `class`
[INFO] [stdout]   --> src/classes/seat.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     class: SeatClass,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/classes/seat.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn new(position: String, state: SeatState, class: SeatClass) -> Seat {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_state`
[INFO] [stdout]   --> src/classes/seat.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn get_state(&self) -> SeatState {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_class`
[INFO] [stdout]   --> src/classes/seat.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn get_class(&self) -> SeatClass {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `change_state`
[INFO] [stdout]   --> src/classes/seat.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn change_state(&mut self, new_state: SeatState) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/classes/airplane.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(name: String, id: String, state: String, seats: HashMap<String, Seat>, nro_rows: u32) -> Airplane {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `number_of_seats`
[INFO] [stdout]   --> src/classes/airplane.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn number_of_seats(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `number_of_rows`
[INFO] [stdout]   --> src/classes/airplane.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn number_of_rows(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `AirplaneBuilder`
[INFO] [stdout]  --> src/classes/airplane_builder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct AirplaneBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/classes/airplane_builder.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build`
[INFO] [stdout]   --> src/classes/airplane_builder.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn build(self) -> Airplane {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_seats`
[INFO] [stdout]   --> src/classes/airplane_builder.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn with_seats(mut self, rows_ends: u32, cols: u32, seat_state: SeatState, seat_class: SeatClass) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_seat`
[INFO] [stdout]   --> src/classes/airplane_builder.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn add_seat(&mut self, seat: Seat) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Free`
[INFO] [stdout]  --> src/classes/seat.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Free,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `SeatState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/classes/seat.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Copy, Clone, PartialEq)]
[INFO] [stdout]   |          ^^^^^        ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Disabled`
[INFO] [stdout]  --> src/classes/seat.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Disabled,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `SeatState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/classes/seat.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Copy, Clone, PartialEq)]
[INFO] [stdout]   |          ^^^^^        ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]   --> src/classes/seat.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     state: SeatState,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `class`
[INFO] [stdout]   --> src/classes/seat.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     class: SeatClass,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/classes/seat.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn new(position: String, state: SeatState, class: SeatClass) -> Seat {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_state`
[INFO] [stdout]   --> src/classes/seat.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn get_state(&self) -> SeatState {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_class`
[INFO] [stdout]   --> src/classes/seat.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn get_class(&self) -> SeatClass {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `change_state`
[INFO] [stdout]   --> src/classes/seat.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn change_state(&mut self, new_state: SeatState) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/classes/airplane.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(name: String, id: String, state: String, seats: HashMap<String, Seat>, nro_rows: u32) -> Airplane {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `number_of_seats`
[INFO] [stdout]   --> src/classes/airplane.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn number_of_seats(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `number_of_rows`
[INFO] [stdout]   --> src/classes/airplane.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn number_of_rows(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `AirplaneBuilder`
[INFO] [stdout]  --> src/classes/airplane_builder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct AirplaneBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/classes/airplane_builder.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build`
[INFO] [stdout]   --> src/classes/airplane_builder.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn build(self) -> Airplane {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_seats`
[INFO] [stdout]   --> src/classes/airplane_builder.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn with_seats(mut self, rows_ends: u32, cols: u32, seat_state: SeatState, seat_class: SeatClass) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_seat`
[INFO] [stdout]   --> src/classes/airplane_builder.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn add_seat(&mut self, seat: Seat) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.01s
[INFO] running `Command { std: "docker" "inspect" "00065be5aec73b975402c951b286793190cc2b1701d0e2ac3d3244751efe1867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00065be5aec73b975402c951b286793190cc2b1701d0e2ac3d3244751efe1867", kill_on_drop: false }`
[INFO] [stdout] 00065be5aec73b975402c951b286793190cc2b1701d0e2ac3d3244751efe1867