[INFO] cloning repository https://github.com/onContentStop/tatham-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onContentStop/tatham-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Ftatham-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Ftatham-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 918f58f840def9c4f92acabe1de14e77a4c1b33b
[INFO] testing onContentStop/tatham-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Ftatham-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onContentStop/tatham-rs 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 git repo https://github.com/onContentStop/tatham-rs
[INFO] finished tweaking git repo https://github.com/onContentStop/tatham-rs
[INFO] tweaked toml for git repo https://github.com/onContentStop/tatham-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/onContentStop/tatham-rs 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 258f798b104e27d79055b8ec876a2ad3dd41628417f11f1de72e691f92d4402b
[INFO] running `Command { std: "docker" "start" "-a" "258f798b104e27d79055b8ec876a2ad3dd41628417f11f1de72e691f92d4402b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "258f798b104e27d79055b8ec876a2ad3dd41628417f11f1de72e691f92d4402b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258f798b104e27d79055b8ec876a2ad3dd41628417f11f1de72e691f92d4402b", kill_on_drop: false }`
[INFO] [stdout] 258f798b104e27d79055b8ec876a2ad3dd41628417f11f1de72e691f92d4402b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 33d8b3558837372622d1dc2f31c4ef341ad156886749fae7b61c6d5b479165e1
[INFO] running `Command { std: "docker" "start" "-a" "33d8b3558837372622d1dc2f31c4ef341ad156886749fae7b61c6d5b479165e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling c_vec v1.3.3
[INFO] [stderr]    Compiling puzzles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/blackbox.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_game`
[INFO] [stdout]   --> src/blackbox.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn new_game(game_params: GameParams) -> GameState {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_game_seeded`
[INFO] [stdout]   --> src/blackbox.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn new_game_seeded(game_params: GameParams, seed: u64) -> GameState {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Midend`
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Midend;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GameParams`
[INFO] [stdout]  --> src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct GameParams;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.01s
[INFO] running `Command { std: "docker" "inspect" "33d8b3558837372622d1dc2f31c4ef341ad156886749fae7b61c6d5b479165e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d8b3558837372622d1dc2f31c4ef341ad156886749fae7b61c6d5b479165e1", kill_on_drop: false }`
[INFO] [stdout] 33d8b3558837372622d1dc2f31c4ef341ad156886749fae7b61c6d5b479165e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 943801972f8efc4848f288ef316b7ff7a6a349bcfa562641a57611bb459c69de
[INFO] running `Command { std: "docker" "start" "-a" "943801972f8efc4848f288ef316b7ff7a6a349bcfa562641a57611bb459c69de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling puzzles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `new_game`
[INFO] [stdout]   --> src/blackbox.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn new_game(game_params: GameParams) -> GameState {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Midend`
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Midend;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GameParams`
[INFO] [stdout]  --> src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct GameParams;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "943801972f8efc4848f288ef316b7ff7a6a349bcfa562641a57611bb459c69de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943801972f8efc4848f288ef316b7ff7a6a349bcfa562641a57611bb459c69de", kill_on_drop: false }`
[INFO] [stdout] 943801972f8efc4848f288ef316b7ff7a6a349bcfa562641a57611bb459c69de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c1298a8588743c505e2b01a3edc0abc3ad359cdcbc2ba4b8b6efa6407c821ef7
[INFO] running `Command { std: "docker" "start" "-a" "c1298a8588743c505e2b01a3edc0abc3ad359cdcbc2ba4b8b6efa6407c821ef7", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `new_game`
[INFO] [stderr]   --> src/blackbox.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn new_game(game_params: GameParams) -> GameState {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Midend`
[INFO] [stderr]  --> src/main.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Midend;
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GameParams`
[INFO] [stderr]  --> src/main.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct GameParams;
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `puzzles` (bin "puzzles" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/puzzles-27e6768acc9a05c9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test blackbox::tests::new_game_state ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1298a8588743c505e2b01a3edc0abc3ad359cdcbc2ba4b8b6efa6407c821ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1298a8588743c505e2b01a3edc0abc3ad359cdcbc2ba4b8b6efa6407c821ef7", kill_on_drop: false }`
[INFO] [stdout] c1298a8588743c505e2b01a3edc0abc3ad359cdcbc2ba4b8b6efa6407c821ef7