[INFO] cloning repository https://github.com/tompko/arendil
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tompko/arendil" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftompko%2Farendil", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftompko%2Farendil'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 170f67cb23d1c60c11b9ef5be11f6d56558cb351
[INFO] testing tompko/arendil against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftompko%2Farendil" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tompko/arendil on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tompko/arendil
[INFO] finished tweaking git repo https://github.com/tompko/arendil
[INFO] tweaked toml for git repo https://github.com/tompko/arendil written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tompko/arendil 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v2.1.2
[INFO] [stderr]   Downloaded ansi_term v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb2e799f2916f551947392e0bd9f9fa0583af2c2882eda4aa99482bacc83c9ed
[INFO] running `Command { std: "docker" "start" "-a" "fb2e799f2916f551947392e0bd9f9fa0583af2c2882eda4aa99482bacc83c9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb2e799f2916f551947392e0bd9f9fa0583af2c2882eda4aa99482bacc83c9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb2e799f2916f551947392e0bd9f9fa0583af2c2882eda4aa99482bacc83c9ed", kill_on_drop: false }`
[INFO] [stdout] fb2e799f2916f551947392e0bd9f9fa0583af2c2882eda4aa99482bacc83c9ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdbbb07233078ae0859522290fa09211c7a6f44d863c0bf81761cc4466d06f6b
[INFO] running `Command { std: "docker" "start" "-a" "fdbbb07233078ae0859522290fa09211c7a6f44d863c0bf81761cc4466d06f6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling ansi_term v0.7.2
[INFO] [stderr]    Compiling strsim v0.4.0
[INFO] [stderr]    Compiling vec_map v0.4.0
[INFO] [stderr]    Compiling clap v2.1.2
[INFO] [stderr]    Compiling arendil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Cursor`
[INFO] [stdout]  --> src/epd.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{BufReader, BufRead, Cursor, Read};
[INFO] [stdout]   |                                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/epd.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     reader: &'a mut Read,
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     reader: &'a mut dyn Read,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/epd.rs:21:29
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(reader: &mut Read) -> EpdReader {
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(reader: &mut dyn Read) -> EpdReader {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/epd.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(line: String) -> Result<Self, String> {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epd`
[INFO] [stdout]  --> src/perft.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn test(epd: &EpdReader) -> Result<(), String> {
[INFO] [stdout]   |             ^^^ help: if this is intentional, prefix it with an underscore: `_epd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EpdOperand` is never used
[INFO] [stdout]  --> src/epd.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum EpdOperand {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Epd` is never constructed
[INFO] [stdout]   --> src/epd.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Epd {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reader` is never read
[INFO] [stdout]   --> src/epd.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct EpdReader<'a> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 17 |     reader: &'a mut Read,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decode` is never used
[INFO] [stdout]   --> src/epd.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a> EpdReader<'a> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn decode(&mut self) -> Result<Vec<Epd>, String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/epd.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Epd {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 43 |     pub fn new(line: String) -> Result<Self, String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "fdbbb07233078ae0859522290fa09211c7a6f44d863c0bf81761cc4466d06f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdbbb07233078ae0859522290fa09211c7a6f44d863c0bf81761cc4466d06f6b", kill_on_drop: false }`
[INFO] [stdout] fdbbb07233078ae0859522290fa09211c7a6f44d863c0bf81761cc4466d06f6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c70eef4e69b8a3671a1a05f75dc0971a96e1815f2853e63cf56e50212079e37d
[INFO] running `Command { std: "docker" "start" "-a" "c70eef4e69b8a3671a1a05f75dc0971a96e1815f2853e63cf56e50212079e37d", kill_on_drop: false }`
[INFO] [stderr]    Compiling arendil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Cursor`
[INFO] [stdout]  --> src/epd.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{BufReader, BufRead, Cursor, Read};
[INFO] [stdout]   |                                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Read`
[INFO] [stdout]   --> src/epd.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 |     use std::io::{BufReader, BufRead, Cursor, Read};
[INFO] [stdout]    |                   ^^^^^^^^^  ^^^^^^^          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/epd.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     reader: &'a mut Read,
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     reader: &'a mut dyn Read,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/epd.rs:21:29
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(reader: &mut Read) -> EpdReader {
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(reader: &mut dyn Read) -> EpdReader {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/epd.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(line: String) -> Result<Self, String> {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epd`
[INFO] [stdout]  --> src/perft.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn test(epd: &EpdReader) -> Result<(), String> {
[INFO] [stdout]   |             ^^^ help: if this is intentional, prefix it with an underscore: `_epd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Str`, `Move`, `Unsigned`, `Integer`, and `Float` are never constructed
[INFO] [stdout]  --> src/epd.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum EpdOperand {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 4 |     Str(String),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 5 |     Move(String),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     Unsigned(u32),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 7 |     Integer(i32),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 8 |     Float(f32)
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fen_string` and `operations` are never read
[INFO] [stdout]   --> src/epd.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Epd {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 12 |     fen_string: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 13 |     operations: Vec<EpdOperand>
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "c70eef4e69b8a3671a1a05f75dc0971a96e1815f2853e63cf56e50212079e37d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70eef4e69b8a3671a1a05f75dc0971a96e1815f2853e63cf56e50212079e37d", kill_on_drop: false }`
[INFO] [stdout] c70eef4e69b8a3671a1a05f75dc0971a96e1815f2853e63cf56e50212079e37d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a0e87a3fd6bc916902dd342da04b261cbd579d8050954ff737fec7b34ffcc7b
[INFO] running `Command { std: "docker" "start" "-a" "4a0e87a3fd6bc916902dd342da04b261cbd579d8050954ff737fec7b34ffcc7b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Cursor`
[INFO] [stderr]  --> src/epd.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{BufReader, BufRead, Cursor, Read};
[INFO] [stderr]   |                                   ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Read`
[INFO] [stderr]   --> src/epd.rs:51:19
[INFO] [stderr]    |
[INFO] [stderr] 51 |     use std::io::{BufReader, BufRead, Cursor, Read};
[INFO] [stderr]    |                   ^^^^^^^^^  ^^^^^^^          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/epd.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 |     reader: &'a mut Read,
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 17 |     reader: &'a mut dyn Read,
[INFO] [stderr]    |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/epd.rs:21:29
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(reader: &mut Read) -> EpdReader {
[INFO] [stderr]    |                             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(reader: &mut dyn Read) -> EpdReader {
[INFO] [stderr]    |                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/epd.rs:43:16
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn new(line: String) -> Result<Self, String> {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `epd`
[INFO] [stderr]  --> src/perft.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn test(epd: &EpdReader) -> Result<(), String> {
[INFO] [stderr]   |             ^^^ help: if this is intentional, prefix it with an underscore: `_epd`
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Str`, `Move`, `Unsigned`, `Integer`, and `Float` are never constructed
[INFO] [stderr]  --> src/epd.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum EpdOperand {
[INFO] [stderr]   |          ---------- variants in this enum
[INFO] [stderr] 4 |     Str(String),
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 5 |     Move(String),
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 6 |     Unsigned(u32),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 7 |     Integer(i32),
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 8 |     Float(f32)
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `fen_string` and `operations` are never read
[INFO] [stderr]   --> src/epd.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Epd {
[INFO] [stderr]    |            --- fields in this struct
[INFO] [stderr] 12 |     fen_string: String,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 13 |     operations: Vec<EpdOperand>
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `arendil` (bin "arendil" test) generated 8 warnings (run `cargo fix --bin "arendil" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/arendil-a51e1d1acb3274d2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test epd::tests::test_perft_line ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- epd::tests::test_perft_line stdout ----
[INFO] [stdout] thread 'epd::tests::test_perft_line' panicked at src/epd.rs:59:9:
[INFO] [stdout] assertion failed: epd.is_ok()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d032ce12b5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55d032ce12b5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d032ce12b5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55d032ce12b5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55d032d07afb - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55d032d07afb - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55d032cdeaef - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55d032ce108e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55d032ce108e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55d032ce2ab9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x55d032ce277e - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55d032caf20a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55d032caf20a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55d032ce30bb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55d032ce30bb - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55d032ce2dfb - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:656:13
[INFO] [stdout]   16:     0x55d032ce1779 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55d032ce2b67 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55d032c75843 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55d032c758ec - core::panicking::panic::hb6a980c1ddfde273
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:146:5
[INFO] [stdout]   20:     0x55d032c7b814 - arendil::epd::tests::test_perft_line::hbe9e564f0200ac0f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/epd.rs:59:9
[INFO] [stdout]   21:     0x55d032c7b727 - arendil::epd::tests::test_perft_line::{{closure}}::h44fc38c97a403d78
[INFO] [stdout]                                at /opt/rustwide/workdir/src/epd.rs:54:25
[INFO] [stdout]   22:     0x55d032c77ee6 - core::ops::function::FnOnce::call_once::he79db4a5eaa71ad1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55d032cb3beb - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55d032cb3beb - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   25:     0x55d032cb32f1 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   26:     0x55d032cb32f1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55d032cb32f1 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   28:     0x55d032cb32f1 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   29:     0x55d032cb32f1 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   30:     0x55d032cb32f1 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   31:     0x55d032cb32f1 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   32:     0x55d032c7bcb4 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   33:     0x55d032c7bcb4 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55d032c806e2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   35:     0x55d032c806e2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55d032c806e2 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   37:     0x55d032c806e2 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   38:     0x55d032c806e2 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   39:     0x55d032c806e2 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   40:     0x55d032c806e2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d032ce729b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   42:     0x55d032ce729b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x55d032ce729b - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f4c4ab52ac3 - <unknown>
[INFO] [stdout]   45:     0x7f4c4abe3a04 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     epd::tests::test_perft_line
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin arendil`
[INFO] running `Command { std: "docker" "inspect" "4a0e87a3fd6bc916902dd342da04b261cbd579d8050954ff737fec7b34ffcc7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0e87a3fd6bc916902dd342da04b261cbd579d8050954ff737fec7b34ffcc7b", kill_on_drop: false }`
[INFO] [stdout] 4a0e87a3fd6bc916902dd342da04b261cbd579d8050954ff737fec7b34ffcc7b
