[INFO] cloning repository https://github.com/MarkusVidefors/hashcode-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarkusVidefors/hashcode-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkusVidefors%2Fhashcode-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkusVidefors%2Fhashcode-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95ed4bcf9b35fde8abbba3b9828d66e5ea1758df
[INFO] testing MarkusVidefors/hashcode-2021 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkusVidefors%2Fhashcode-2021" "/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/MarkusVidefors/hashcode-2021 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarkusVidefors/hashcode-2021
[INFO] finished tweaking git repo https://github.com/MarkusVidefors/hashcode-2021
[INFO] tweaked toml for git repo https://github.com/MarkusVidefors/hashcode-2021 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/MarkusVidefors/hashcode-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7780310e541fff6579c0a33d8332cd420b04fed7af67f3a03603a10f1eaa82d
[INFO] running `Command { std: "docker" "start" "-a" "e7780310e541fff6579c0a33d8332cd420b04fed7af67f3a03603a10f1eaa82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7780310e541fff6579c0a33d8332cd420b04fed7af67f3a03603a10f1eaa82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7780310e541fff6579c0a33d8332cd420b04fed7af67f3a03603a10f1eaa82d", kill_on_drop: false }`
[INFO] [stdout] e7780310e541fff6579c0a33d8332cd420b04fed7af67f3a03603a10f1eaa82d
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 933cd0dd2fbd5bd8b7e7d03a8fc3ce1484541a005e891dbade2026d92cccad1f
[INFO] running `Command { std: "docker" "start" "-a" "933cd0dd2fbd5bd8b7e7d03a8fc3ce1484541a005e891dbade2026d92cccad1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling main v0.1.0 (/opt/rustwide/workdir/main)
[INFO] [stderr]    Compiling practice_round v0.1.0 (/opt/rustwide/workdir/practice_round)
[INFO] [stdout] warning: unused import: `crate::sim::Simulator`
[INFO] [stdout]  --> main/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::sim::Simulator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> main/src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let f: usize = input.next().unwrap().parse().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Street`
[INFO] [stdout]  --> main/src/sim.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Street<'a> {
[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`
[INFO] [stdout]   --> main/src/sim.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(data: (usize, usize, &'a str, usize)) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Car`
[INFO] [stdout]   --> main/src/sim.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Car<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> main/src/sim.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn new(data: Vec<&'a str>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Simulator`
[INFO] [stdout]   --> main/src/sim.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Simulator<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> main/src/sim.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]   --> main/src/sim.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn run(&mut self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "933cd0dd2fbd5bd8b7e7d03a8fc3ce1484541a005e891dbade2026d92cccad1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933cd0dd2fbd5bd8b7e7d03a8fc3ce1484541a005e891dbade2026d92cccad1f", kill_on_drop: false }`
[INFO] [stdout] 933cd0dd2fbd5bd8b7e7d03a8fc3ce1484541a005e891dbade2026d92cccad1f
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b62e9836255603fcca9fa317455a33a8d208bd2cf7874197c6d3082754b566c
[INFO] running `Command { std: "docker" "start" "-a" "8b62e9836255603fcca9fa317455a33a8d208bd2cf7874197c6d3082754b566c", kill_on_drop: false }`
[INFO] [stderr]    Compiling practice_round v0.1.0 (/opt/rustwide/workdir/practice_round)
[INFO] [stderr]    Compiling main v0.1.0 (/opt/rustwide/workdir/main)
[INFO] [stdout] warning: unused import: `crate::sim::Simulator`
[INFO] [stdout]  --> main/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::sim::Simulator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> main/src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let f: usize = input.next().unwrap().parse().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Street`
[INFO] [stdout]  --> main/src/sim.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Street<'a> {
[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`
[INFO] [stdout]   --> main/src/sim.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(data: (usize, usize, &'a str, usize)) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Car`
[INFO] [stdout]   --> main/src/sim.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Car<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> main/src/sim.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn new(data: Vec<&'a str>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Simulator`
[INFO] [stdout]   --> main/src/sim.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Simulator<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> main/src/sim.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]   --> main/src/sim.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn run(&mut self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "8b62e9836255603fcca9fa317455a33a8d208bd2cf7874197c6d3082754b566c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b62e9836255603fcca9fa317455a33a8d208bd2cf7874197c6d3082754b566c", kill_on_drop: false }`
[INFO] [stdout] 8b62e9836255603fcca9fa317455a33a8d208bd2cf7874197c6d3082754b566c
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13cd39c0dad231e7ffa3713fff2f77ae65f2dba2cd549ff43aa5503f41f0c4e7
[INFO] running `Command { std: "docker" "start" "-a" "13cd39c0dad231e7ffa3713fff2f77ae65f2dba2cd549ff43aa5503f41f0c4e7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::sim::Simulator`
[INFO] [stderr]  --> main/src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::sim::Simulator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> main/src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let f: usize = input.next().unwrap().parse().unwrap();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Street`
[INFO] [stderr]  --> main/src/sim.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Street<'a> {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> main/src/sim.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new(data: (usize, usize, &'a str, usize)) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Car`
[INFO] [stderr]   --> main/src/sim.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Car<'a> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> main/src/sim.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn new(data: Vec<&'a str>) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Simulator`
[INFO] [stderr]   --> main/src/sim.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct Simulator<'a> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> main/src/sim.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn new(
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]   --> main/src/sim.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn run(&mut self) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-a558f7d52d6d6831)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/practice_round-bb37fb4b891c9d8b)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13cd39c0dad231e7ffa3713fff2f77ae65f2dba2cd549ff43aa5503f41f0c4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13cd39c0dad231e7ffa3713fff2f77ae65f2dba2cd549ff43aa5503f41f0c4e7", kill_on_drop: false }`
[INFO] [stdout] 13cd39c0dad231e7ffa3713fff2f77ae65f2dba2cd549ff43aa5503f41f0c4e7