[INFO] cloning repository https://github.com/mhthies/gpn20-gpn-mazing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mhthies/gpn20-gpn-mazing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhthies%2Fgpn20-gpn-mazing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhthies%2Fgpn20-gpn-mazing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82ca42406473944a2a9c03d4c1b7afc16b796020
[INFO] checking mhthies/gpn20-gpn-mazing against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhthies%2Fgpn20-gpn-mazing" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mhthies/gpn20-gpn-mazing
[INFO] finished tweaking git repo https://github.com/mhthies/gpn20-gpn-mazing
[INFO] tweaked toml for git repo https://github.com/mhthies/gpn20-gpn-mazing written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mhthies/gpn20-gpn-mazing on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mhthies/gpn20-gpn-mazing 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" "+54cf65b8d066c082e536455049b95943cf30378f" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.5.9
[INFO] [stderr]   Downloaded humantime v2.1.0
[INFO] [stderr]   Downloaded regex v1.5.5
[INFO] [stderr]   Downloaded serde_derive v1.0.137
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded syn v1.0.95
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] [stderr]   Downloaded serde v1.0.137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ff033e26ae6683217cb8e533d864d52de9cde422cebceec75102584482773ea
[INFO] running `Command { std: "docker" "start" "-a" "3ff033e26ae6683217cb8e533d864d52de9cde422cebceec75102584482773ea", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "3ff033e26ae6683217cb8e533d864d52de9cde422cebceec75102584482773ea", kill_on_drop: false }`
[INFO] [stdout] 3ff033e26ae6683217cb8e533d864d52de9cde422cebceec75102584482773ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ba867ad21d6100207eebea2f2fd9aa9da310e48388234f6070ddcf8ef83d29b
[INFO] running `Command { std: "docker" "start" "-a" "4ba867ad21d6100207eebea2f2fd9aa9da310e48388234f6070ddcf8ef83d29b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking gpn20-maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]    --> src/algorithm.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 135 |         .connect(","));
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 135 -         .connect(","));
[INFO] [stdout] 135 +         .join(","));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/algorithm.rs:63:41
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn decide_action(state: &mut State, rng: &mut ThreadRng, config: &AlgorithmConfig) -> Option<Command<'static>> {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]    --> src/algorithm.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 135 |         .connect(","));
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 135 -         .connect(","));
[INFO] [stdout] 135 +         .join(","));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Chat` is never constructed
[INFO] [stdout]   --> src/client.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum Command<'a> {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Chat(&'a str),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/client.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Goal(Position),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Goal(Position),
[INFO] [stdout] 16 +     Goal(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/client.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Win(u32, u32),
[INFO] [stdout]    |     --- ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 18 -     Win(u32, u32),
[INFO] [stdout] 18 +     Win((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/client.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Lose(u32, u32),
[INFO] [stdout]    |     ---- ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 19 -     Lose(u32, u32),
[INFO] [stdout] 19 +     Lose((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/algorithm.rs:63:41
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn decide_action(state: &mut State, rng: &mut ThreadRng, config: &AlgorithmConfig) -> Option<Command<'static>> {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_by_direction` is never used
[INFO] [stdout]  --> src/helper.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn move_by_direction(pos: &Position, dir: &MoveDirection) -> Position {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_move_over_playground_border` is never used
[INFO] [stdout]   --> src/helper.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn is_move_over_playground_border(pos: &Position, dir: &MoveDirection, size: &Position) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `direction_from_move` is never used
[INFO] [stdout]   --> src/helper.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn direction_from_move(pos1: &Position, pos2: &Position) -> MoveDirection {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_wall` is never used
[INFO] [stdout]   --> src/helper.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn has_wall(walls: &Walls, dir: &MoveDirection) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_distance` is never used
[INFO] [stdout]   --> src/helper.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn calculate_distance(pos1: &Position, pos2: &Position) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `distance_from_line` is never used
[INFO] [stdout]   --> src/helper.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn distance_from_line(pos: &Position, p1: &Position, p2: &Position) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Chat` is never constructed
[INFO] [stdout]   --> src/client.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum Command<'a> {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Chat(&'a str),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/client.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Goal(Position),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Goal(Position),
[INFO] [stdout] 16 +     Goal(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/client.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Win(u32, u32),
[INFO] [stdout]    |     --- ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 18 -     Win(u32, u32),
[INFO] [stdout] 18 +     Win((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/client.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Lose(u32, u32),
[INFO] [stdout]    |     ---- ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 19 -     Lose(u32, u32),
[INFO] [stdout] 19 +     Lose((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_by_direction` is never used
[INFO] [stdout]  --> src/helper.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn move_by_direction(pos: &Position, dir: &MoveDirection) -> Position {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_move_over_playground_border` is never used
[INFO] [stdout]   --> src/helper.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn is_move_over_playground_border(pos: &Position, dir: &MoveDirection, size: &Position) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `direction_from_move` is never used
[INFO] [stdout]   --> src/helper.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn direction_from_move(pos1: &Position, pos2: &Position) -> MoveDirection {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_wall` is never used
[INFO] [stdout]   --> src/helper.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn has_wall(walls: &Walls, dir: &MoveDirection) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_distance` is never used
[INFO] [stdout]   --> src/helper.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn calculate_distance(pos1: &Position, pos2: &Position) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `distance_from_line` is never used
[INFO] [stdout]   --> src/helper.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn distance_from_line(pos: &Position, p1: &Position, p2: &Position) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.19s
[INFO] running `Command { std: "docker" "inspect" "4ba867ad21d6100207eebea2f2fd9aa9da310e48388234f6070ddcf8ef83d29b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba867ad21d6100207eebea2f2fd9aa9da310e48388234f6070ddcf8ef83d29b", kill_on_drop: false }`
[INFO] [stdout] 4ba867ad21d6100207eebea2f2fd9aa9da310e48388234f6070ddcf8ef83d29b
