[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 master#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanOpizzi%2Frust-airline-system" "/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/JuanOpizzi/rust-airline-system on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "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-1-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking JuanOpizzi/rust-airline-system against try#9b9e20bc79549d80ab413f49d990713851172cc1 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanOpizzi%2Frust-airline-system" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JuanOpizzi/rust-airline-system on toolchain 9b9e20bc79549d80ab413f49d990713851172cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "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-1-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6550cb26e3c218a9767b34944dbd207adc167e87beba36c96a273956dcb0ec55
[INFO] running `Command { std: "docker" "start" "-a" "6550cb26e3c218a9767b34944dbd207adc167e87beba36c96a273956dcb0ec55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6550cb26e3c218a9767b34944dbd207adc167e87beba36c96a273956dcb0ec55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6550cb26e3c218a9767b34944dbd207adc167e87beba36c96a273956dcb0ec55", kill_on_drop: false }`
[INFO] [stdout] 6550cb26e3c218a9767b34944dbd207adc167e87beba36c96a273956dcb0ec55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1feeb5cff12716faa60dc3e6746a05b0dfc5dac8d8ea7dab4c71719202017922
[INFO] running `Command { std: "docker" "start" "-a" "1feeb5cff12716faa60dc3e6746a05b0dfc5dac8d8ea7dab4c71719202017922", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[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: variants `Occupied`, `Free`, and `Disabled` are never constructed
[INFO] [stdout]  --> src/classes/seat.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum SeatState {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 5 |     Occupied,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 6 |     Free,
[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]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state` and `class` are never read
[INFO] [stdout]   --> src/classes/seat.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Seat {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 25 |     position: String,
[INFO] [stdout] 26 |     state: SeatState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 27 |     class: SeatClass,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_state`, `get_class`, and `change_state` are never used
[INFO] [stdout]   --> src/classes/seat.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Seat {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 32 |     pub fn new(position: String, state: SeatState, class: SeatClass) -> Seat {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn get_state(&self) -> SeatState {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn get_class(&self) -> SeatClass {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn change_state(&mut self, new_state: SeatState) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `number_of_seats`, and `number_of_rows` are never used
[INFO] [stdout]   --> src/classes/airplane.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Airplane {
[INFO] [stdout]    | ------------- associated items in this implementation
[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] 29 |     pub fn number_of_seats(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn number_of_rows(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AirplaneBuilder` is never constructed
[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 items `new`, `build`, `with_seats`, and `add_seat` are never used
[INFO] [stdout]   --> src/classes/airplane_builder.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl AirplaneBuilder {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn build(self) -> Airplane {
[INFO] [stdout]    |            ^^^^^
[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] 42 |     pub fn add_seat(&mut self, seat: Seat) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Occupied`, `Free`, and `Disabled` are never constructed
[INFO] [stdout]  --> src/classes/seat.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum SeatState {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 5 |     Occupied,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 6 |     Free,
[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]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state` and `class` are never read
[INFO] [stdout]   --> src/classes/seat.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Seat {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 25 |     position: String,
[INFO] [stdout] 26 |     state: SeatState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 27 |     class: SeatClass,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_state`, `get_class`, and `change_state` are never used
[INFO] [stdout]   --> src/classes/seat.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Seat {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 32 |     pub fn new(position: String, state: SeatState, class: SeatClass) -> Seat {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn get_state(&self) -> SeatState {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn get_class(&self) -> SeatClass {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn change_state(&mut self, new_state: SeatState) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `number_of_seats`, and `number_of_rows` are never used
[INFO] [stdout]   --> src/classes/airplane.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Airplane {
[INFO] [stdout]    | ------------- associated items in this implementation
[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] 29 |     pub fn number_of_seats(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn number_of_rows(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AirplaneBuilder` is never constructed
[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 items `new`, `build`, `with_seats`, and `add_seat` are never used
[INFO] [stdout]   --> src/classes/airplane_builder.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl AirplaneBuilder {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn build(self) -> Airplane {
[INFO] [stdout]    |            ^^^^^
[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] 42 |     pub fn add_seat(&mut self, seat: Seat) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "1feeb5cff12716faa60dc3e6746a05b0dfc5dac8d8ea7dab4c71719202017922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1feeb5cff12716faa60dc3e6746a05b0dfc5dac8d8ea7dab4c71719202017922", kill_on_drop: false }`
[INFO] [stdout] 1feeb5cff12716faa60dc3e6746a05b0dfc5dac8d8ea7dab4c71719202017922