[INFO] fetching crate tactics-trainer-cli 1.0.0...
[INFO] testing tactics-trainer-cli-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tactics-trainer-cli 1.0.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate tactics-trainer-cli 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tactics-trainer-cli 1.0.0
[INFO] finished tweaking crates.io crate tactics-trainer-cli 1.0.0
[INFO] tweaked toml for crates.io crate tactics-trainer-cli 1.0.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate tactics-trainer-cli 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayvec v0.7.0
[INFO] [stderr]   Downloaded shakmaty v0.19.0
[INFO] [stderr]   Downloaded rprompt v1.0.5
[INFO] [stderr]   Downloaded btoi v0.4.2
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b370812d518c7402df26a8510a0b6f9d8bfa8d0ed90ca8e81331d8af80c467d6
[INFO] running `Command { std: "docker" "start" "-a" "b370812d518c7402df26a8510a0b6f9d8bfa8d0ed90ca8e81331d8af80c467d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b370812d518c7402df26a8510a0b6f9d8bfa8d0ed90ca8e81331d8af80c467d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b370812d518c7402df26a8510a0b6f9d8bfa8d0ed90ca8e81331d8af80c467d6", kill_on_drop: false }`
[INFO] [stdout] b370812d518c7402df26a8510a0b6f9d8bfa8d0ed90ca8e81331d8af80c467d6
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34734451058ccbcf7a067b77ae74d634750ba001c4a5b512c958996135de551f
[INFO] running `Command { std: "docker" "start" "-a" "34734451058ccbcf7a067b77ae74d634750ba001c4a5b512c958996135de551f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling shakmaty v0.19.0
[INFO] [stderr]    Compiling arrayvec v0.7.0
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling rprompt v1.0.5
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling btoi v0.4.2
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling tokio-util v0.6.6
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling hyper v0.14.7
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.3
[INFO] [stderr]    Compiling tactics-trainer-cli v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Move`, `self`
[INFO] [stdout]   --> src/main.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |     san::{self, San},
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 14 |     uci::Uci,
[INFO] [stdout] 15 |     Board, CastlingMode, Chess, Color, Move, Piece, Position, Role, Setup, Square,
[INFO] [stdout]    |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_position`
[INFO] [stdout]    --> src/main.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let old_position = position.clone();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_position`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HintPiece`
[INFO] [stdout]    --> src/main.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     HintPiece,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `piece_unicode`
[INFO] [stdout]    --> src/main.rs:297:4
[INFO] [stdout]     |
[INFO] [stdout] 297 | fn piece_unicode(piece: &Piece) -> &'static str {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.22s
[INFO] running `Command { std: "docker" "inspect" "34734451058ccbcf7a067b77ae74d634750ba001c4a5b512c958996135de551f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34734451058ccbcf7a067b77ae74d634750ba001c4a5b512c958996135de551f", kill_on_drop: false }`
[INFO] [stdout] 34734451058ccbcf7a067b77ae74d634750ba001c4a5b512c958996135de551f
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7e938301cfdca7e02073005dceacdbafa4bcf8ab2ab6bb9b78c5ecbb35d0d2f
[INFO] running `Command { std: "docker" "start" "-a" "b7e938301cfdca7e02073005dceacdbafa4bcf8ab2ab6bb9b78c5ecbb35d0d2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tactics-trainer-cli v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Move`, `self`
[INFO] [stdout]   --> src/main.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |     san::{self, San},
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 14 |     uci::Uci,
[INFO] [stdout] 15 |     Board, CastlingMode, Chess, Color, Move, Piece, Position, Role, Setup, Square,
[INFO] [stdout]    |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_position`
[INFO] [stdout]    --> src/main.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let old_position = position.clone();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_position`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HintPiece`
[INFO] [stdout]    --> src/main.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     HintPiece,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `piece_unicode`
[INFO] [stdout]    --> src/main.rs:297:4
[INFO] [stdout]     |
[INFO] [stdout] 297 | fn piece_unicode(piece: &Piece) -> &'static str {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "b7e938301cfdca7e02073005dceacdbafa4bcf8ab2ab6bb9b78c5ecbb35d0d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e938301cfdca7e02073005dceacdbafa4bcf8ab2ab6bb9b78c5ecbb35d0d2f", kill_on_drop: false }`
[INFO] [stdout] b7e938301cfdca7e02073005dceacdbafa4bcf8ab2ab6bb9b78c5ecbb35d0d2f
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85c18d3f90bc4a034700365074284b1fd2aca0c0a11b9e443c04bddc163d6b43
[INFO] running `Command { std: "docker" "start" "-a" "85c18d3f90bc4a034700365074284b1fd2aca0c0a11b9e443c04bddc163d6b43", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow::Context`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use anyhow::Context;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Move`, `self`
[INFO] [stderr]   --> src/main.rs:13:11
[INFO] [stderr]    |
[INFO] [stderr] 13 |     san::{self, San},
[INFO] [stderr]    |           ^^^^
[INFO] [stderr] 14 |     uci::Uci,
[INFO] [stderr] 15 |     Board, CastlingMode, Chess, Color, Move, Piece, Position, Role, Setup, Square,
[INFO] [stderr]    |                                        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `old_position`
[INFO] [stderr]    --> src/main.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let old_position = position.clone();
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_position`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HintPiece`
[INFO] [stderr]    --> src/main.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     HintPiece,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `piece_unicode`
[INFO] [stderr]    --> src/main.rs:297:4
[INFO] [stderr]     |
[INFO] [stderr] 297 | fn piece_unicode(piece: &Piece) -> &'static str {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tactics-trainer-cli` (bin "tactics-trainer" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tactics_trainer-edb18438af440c47)
[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" "85c18d3f90bc4a034700365074284b1fd2aca0c0a11b9e443c04bddc163d6b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c18d3f90bc4a034700365074284b1fd2aca0c0a11b9e443c04bddc163d6b43", kill_on_drop: false }`
[INFO] [stdout] 85c18d3f90bc4a034700365074284b1fd2aca0c0a11b9e443c04bddc163d6b43