[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] checking onContentStop/tatham-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Ftatham-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onContentStop/tatham-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-5-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bd001be443a21d05520addb8a2e1c92e134017cd1c750835372d0dc89f1ae31
[INFO] running `Command { std: "docker" "start" "-a" "4bd001be443a21d05520addb8a2e1c92e134017cd1c750835372d0dc89f1ae31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bd001be443a21d05520addb8a2e1c92e134017cd1c750835372d0dc89f1ae31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd001be443a21d05520addb8a2e1c92e134017cd1c750835372d0dc89f1ae31", kill_on_drop: false }`
[INFO] [stdout] 4bd001be443a21d05520addb8a2e1c92e134017cd1c750835372d0dc89f1ae31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1345e8b3b70dc904114f83a79c49980b2fda8d4e43ba3dfd1af6571d64e7365e
[INFO] running `Command { std: "docker" "start" "-a" "1345e8b3b70dc904114f83a79c49980b2fda8d4e43ba3dfd1af6571d64e7365e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]     Checking c_vec v1.3.3
[INFO] [stderr]    Compiling puzzles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stdout] warning: struct `Midend` is never constructed
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Midend;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameParams` is never constructed
[INFO] [stdout]  --> src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct GameParams;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/blackbox.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl GameParams {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_game` is never used
[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 `new_game_seeded` is never used
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Midend` is never constructed
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Midend;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameParams` is never constructed
[INFO] [stdout]  --> src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct GameParams;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_game` is never used
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `Command { std: "docker" "inspect" "1345e8b3b70dc904114f83a79c49980b2fda8d4e43ba3dfd1af6571d64e7365e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1345e8b3b70dc904114f83a79c49980b2fda8d4e43ba3dfd1af6571d64e7365e", kill_on_drop: false }`
[INFO] [stdout] 1345e8b3b70dc904114f83a79c49980b2fda8d4e43ba3dfd1af6571d64e7365e
[INFO] checking onContentStop/tatham-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Ftatham-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onContentStop/tatham-rs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-5-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a37cfe1b0ebdb5b3a62a2137fb85081de9419dea3fc77107134a81c5b1a54f3e
[INFO] running `Command { std: "docker" "start" "-a" "a37cfe1b0ebdb5b3a62a2137fb85081de9419dea3fc77107134a81c5b1a54f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a37cfe1b0ebdb5b3a62a2137fb85081de9419dea3fc77107134a81c5b1a54f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37cfe1b0ebdb5b3a62a2137fb85081de9419dea3fc77107134a81c5b1a54f3e", kill_on_drop: false }`
[INFO] [stdout] a37cfe1b0ebdb5b3a62a2137fb85081de9419dea3fc77107134a81c5b1a54f3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6797e5a65c32e59c240127b413c5d35793b340fc61f033155b474f929a13e6a4
[INFO] running `Command { std: "docker" "start" "-a" "6797e5a65c32e59c240127b413c5d35793b340fc61f033155b474f929a13e6a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling puzzles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking c_vec v1.3.3
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stdout] warning: struct `Midend` is never constructed
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Midend;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameParams` is never constructed
[INFO] [stdout]  --> src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct GameParams;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_game` is never used
[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: struct `Midend` is never constructed
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Midend;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameParams` is never constructed
[INFO] [stdout]  --> src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct GameParams;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/blackbox.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl GameParams {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_game` is never used
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_game_seeded` is never used
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.82s
[INFO] running `Command { std: "docker" "inspect" "6797e5a65c32e59c240127b413c5d35793b340fc61f033155b474f929a13e6a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6797e5a65c32e59c240127b413c5d35793b340fc61f033155b474f929a13e6a4", kill_on_drop: false }`
[INFO] [stdout] 6797e5a65c32e59c240127b413c5d35793b340fc61f033155b474f929a13e6a4