[INFO] cloning repository https://github.com/aloksbd/rust2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aloksbd/rust2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faloksbd%2Frust2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faloksbd%2Frust2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1de1229e5885ab38c9575612c08eeb5101b5ab2e
[INFO] testing aloksbd/rust2 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faloksbd%2Frust2" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aloksbd/rust2 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aloksbd/rust2
[INFO] finished tweaking git repo https://github.com/aloksbd/rust2
[INFO] tweaked toml for git repo https://github.com/aloksbd/rust2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/aloksbd/rust2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5737a3e20b32107b5c98c2ba113b1df83be46da32eecd837f9e2cfa0abc2ecc
[INFO] running `Command { std: "docker" "start" "-a" "f5737a3e20b32107b5c98c2ba113b1df83be46da32eecd837f9e2cfa0abc2ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5737a3e20b32107b5c98c2ba113b1df83be46da32eecd837f9e2cfa0abc2ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5737a3e20b32107b5c98c2ba113b1df83be46da32eecd837f9e2cfa0abc2ecc", kill_on_drop: false }`
[INFO] [stdout] f5737a3e20b32107b5c98c2ba113b1df83be46da32eecd837f9e2cfa0abc2ecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fa4536d8126d67e316a867452af95d4f114afb1875ca42c65a678ed4c7bbe27
[INFO] running `Command { std: "docker" "start" "-a" "6fa4536d8126d67e316a867452af95d4f114afb1875ca42c65a678ed4c7bbe27", kill_on_drop: false }`
[INFO] [stderr]    Compiling hierarchical_objects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::position::Position`
[INFO] [stdout]  --> src/object.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::position::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/position.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new() -> Position{
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_x_y`
[INFO] [stdout]   --> src/position.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new_with_x_y(_x: i32, _y: i32) -> Position{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x`
[INFO] [stdout]   --> src/position.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn x(&self) -> i32{
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `y`
[INFO] [stdout]   --> src/position.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn y(&self) -> i32{
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_x`
[INFO] [stdout]   --> src/position.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn set_x(&mut self, _x: i32){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_y`
[INFO] [stdout]   --> src/position.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn set_y(&mut self, _y: i32){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rename_to`
[INFO] [stdout]   --> src/object.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn rename_to(&mut self, _name: &str){
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_x`
[INFO] [stdout]   --> src/object.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn set_x(&mut self, _x: i32){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_y`
[INFO] [stdout]   --> src/object.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn set_y(&mut self, _y: i32){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_children`
[INFO] [stdout]   --> src/object.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn print_children(&self){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "6fa4536d8126d67e316a867452af95d4f114afb1875ca42c65a678ed4c7bbe27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fa4536d8126d67e316a867452af95d4f114afb1875ca42c65a678ed4c7bbe27", kill_on_drop: false }`
[INFO] [stdout] 6fa4536d8126d67e316a867452af95d4f114afb1875ca42c65a678ed4c7bbe27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b7a80a5262e5f2f930bfeedcc212de31d754de7b2eb0d3c7dcd640f43db6cbe
[INFO] running `Command { std: "docker" "start" "-a" "6b7a80a5262e5f2f930bfeedcc212de31d754de7b2eb0d3c7dcd640f43db6cbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling hierarchical_objects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::position::Position`
[INFO] [stdout]  --> src/object.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::position::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/position.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new() -> Position{
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_x_y`
[INFO] [stdout]   --> src/position.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new_with_x_y(_x: i32, _y: i32) -> Position{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x`
[INFO] [stdout]   --> src/position.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn x(&self) -> i32{
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `y`
[INFO] [stdout]   --> src/position.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn y(&self) -> i32{
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_x`
[INFO] [stdout]   --> src/position.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn set_x(&mut self, _x: i32){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_y`
[INFO] [stdout]   --> src/position.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn set_y(&mut self, _y: i32){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rename_to`
[INFO] [stdout]   --> src/object.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn rename_to(&mut self, _name: &str){
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_x`
[INFO] [stdout]   --> src/object.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn set_x(&mut self, _x: i32){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_y`
[INFO] [stdout]   --> src/object.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn set_y(&mut self, _y: i32){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_children`
[INFO] [stdout]   --> src/object.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn print_children(&self){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b7a80a5262e5f2f930bfeedcc212de31d754de7b2eb0d3c7dcd640f43db6cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7a80a5262e5f2f930bfeedcc212de31d754de7b2eb0d3c7dcd640f43db6cbe", kill_on_drop: false }`
[INFO] [stdout] 6b7a80a5262e5f2f930bfeedcc212de31d754de7b2eb0d3c7dcd640f43db6cbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7df87efd98535ddf7b05e0db2ba4853555f102cf441df67884f867f3933d880
[INFO] running `Command { std: "docker" "start" "-a" "a7df87efd98535ddf7b05e0db2ba4853555f102cf441df67884f867f3933d880", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `crate::position::Position`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/object.rs:1:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | use crate::position::Position;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/position.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new() -> Position{
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_with_x_y`
[INFO] [stderr]   --> src/position.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new_with_x_y(_x: i32, _y: i32) -> Position{
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `x`
[INFO] [stderr]   --> src/position.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn x(&self) -> i32{
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `y`
[INFO] [stderr]   --> src/position.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn y(&self) -> i32{
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_x`
[INFO] [stderr]   --> src/position.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn set_x(&mut self, _x: i32){
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_y`
[INFO] [stderr]   --> src/position.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn set_y(&mut self, _y: i32){
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rename_to`
[INFO] [stderr]   --> src/object.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn rename_to(&mut self, _name: &str){
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_x`
[INFO] [stderr]   --> src/object.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn set_x(&mut self, _x: i32){
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_y`
[INFO] [stderr]   --> src/object.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn set_y(&mut self, _y: i32){
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_children`
[INFO] [stderr]   --> src/object.rs:94:12
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn print_children(&self){
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hierarchical_objects-1f2fc2c57b8b3451)
[INFO] running `Command { std: "docker" "inspect" "a7df87efd98535ddf7b05e0db2ba4853555f102cf441df67884f867f3933d880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7df87efd98535ddf7b05e0db2ba4853555f102cf441df67884f867f3933d880", kill_on_drop: false }`
[INFO] [stdout] a7df87efd98535ddf7b05e0db2ba4853555f102cf441df67884f867f3933d880