[INFO] cloning repository https://github.com/double-free/cfr-kuhn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/double-free/cfr-kuhn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdouble-free%2Fcfr-kuhn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdouble-free%2Fcfr-kuhn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c6862bb5f607317d99421a2ad7d5d2eddcfca44
[INFO] testing double-free/cfr-kuhn against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdouble-free%2Fcfr-kuhn" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/double-free/cfr-kuhn on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-37/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/double-free/cfr-kuhn
[INFO] finished tweaking git repo https://github.com/double-free/cfr-kuhn
[INFO] tweaked toml for git repo https://github.com/double-free/cfr-kuhn written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/double-free/cfr-kuhn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 556a81b440b89bb61485e4e1b3a5efc33ff8511dbcddc416b67268a65177bb20
[INFO] running `Command { std: "docker" "start" "-a" "556a81b440b89bb61485e4e1b3a5efc33ff8511dbcddc416b67268a65177bb20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "556a81b440b89bb61485e4e1b3a5efc33ff8511dbcddc416b67268a65177bb20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556a81b440b89bb61485e4e1b3a5efc33ff8511dbcddc416b67268a65177bb20", kill_on_drop: false }`
[INFO] [stdout] 556a81b440b89bb61485e4e1b3a5efc33ff8511dbcddc416b67268a65177bb20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db7391ceb9d89ff5e57202b6803233ee718448ebaab49a38282c327264bd92b5
[INFO] running `Command { std: "docker" "start" "-a" "db7391ceb9d89ff5e57202b6803233ee718448ebaab49a38282c327264bd92b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling kuhn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `ok` is never read
[INFO] [stdout]    --> src/player/cfr_player.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let mut ok = writeln!(f, "money = {}, cfr info = ", self.money);
[INFO] [stdout]     |                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ok` is never read
[INFO] [stdout]    --> src/player/cfr_player.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             ok = writeln!(f, "    {} - {}", info_set, node);
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `round`
[INFO] [stdout]    --> src/player/cfr_player.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |         for round in 0..iteration {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_round`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opponent_id`
[INFO] [stdout]    --> src/player/cfr_player.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |         let opponent_id = 1 - player_id;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opponent_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `KuhnGame`
[INFO] [stdout]   --> src/kuhn.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct KuhnGame {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/kuhn.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_player`
[INFO] [stdout]   --> src/kuhn.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn add_player(&mut self, mut p: Box<dyn player::Player>) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/kuhn.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn start(&mut self, total_round: usize) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cfr`
[INFO] [stdout]    --> src/player/cfr_player.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn cfr(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.53s
[INFO] running `Command { std: "docker" "inspect" "db7391ceb9d89ff5e57202b6803233ee718448ebaab49a38282c327264bd92b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7391ceb9d89ff5e57202b6803233ee718448ebaab49a38282c327264bd92b5", kill_on_drop: false }`
[INFO] [stdout] db7391ceb9d89ff5e57202b6803233ee718448ebaab49a38282c327264bd92b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39fcecd17b7e80eddd55e5e62bdea16894839c59ba8e7fe4f0d4142fd677e8ab
[INFO] running `Command { std: "docker" "start" "-a" "39fcecd17b7e80eddd55e5e62bdea16894839c59ba8e7fe4f0d4142fd677e8ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kuhn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `ok` is never read
[INFO] [stdout]    --> src/player/cfr_player.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let mut ok = writeln!(f, "money = {}, cfr info = ", self.money);
[INFO] [stdout]     |                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ok` is never read
[INFO] [stdout]    --> src/player/cfr_player.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             ok = writeln!(f, "    {} - {}", info_set, node);
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `round`
[INFO] [stdout]    --> src/player/cfr_player.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |         for round in 0..iteration {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_round`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opponent_id`
[INFO] [stdout]    --> src/player/cfr_player.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |         let opponent_id = 1 - player_id;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opponent_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `KuhnGame`
[INFO] [stdout]   --> src/kuhn.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct KuhnGame {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/kuhn.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_player`
[INFO] [stdout]   --> src/kuhn.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn add_player(&mut self, mut p: Box<dyn player::Player>) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/kuhn.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn start(&mut self, total_round: usize) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cfr`
[INFO] [stdout]    --> src/player/cfr_player.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn cfr(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/kuhn-9404a52f79a4efd5)
[INFO] running `Command { std: "docker" "inspect" "39fcecd17b7e80eddd55e5e62bdea16894839c59ba8e7fe4f0d4142fd677e8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39fcecd17b7e80eddd55e5e62bdea16894839c59ba8e7fe4f0d4142fd677e8ab", kill_on_drop: false }`
[INFO] [stdout] 39fcecd17b7e80eddd55e5e62bdea16894839c59ba8e7fe4f0d4142fd677e8ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f79f6bb02a4c17a89af43da25f266cfccbe80b07d8001c95c1a971aaeada729
[INFO] running `Command { std: "docker" "start" "-a" "3f79f6bb02a4c17a89af43da25f266cfccbe80b07d8001c95c1a971aaeada729", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: value assigned to `ok` is never read
[INFO] [stderr]    --> src/player/cfr_player.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let mut ok = writeln!(f, "money = {}, cfr info = ", self.money);
[INFO] [stderr]     |                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ok` is never read
[INFO] [stderr]    --> src/player/cfr_player.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             ok = writeln!(f, "    {} - {}", info_set, node);
[INFO] [stderr]     |             ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `round`
[INFO] [stderr]    --> src/player/cfr_player.rs:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |         for round in 0..iteration {
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_round`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opponent_id`
[INFO] [stderr]    --> src/player/cfr_player.rs:290:13
[INFO] [stderr]     |
[INFO] [stderr] 290 |         let opponent_id = 1 - player_id;
[INFO] [stderr]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opponent_id`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `KuhnGame`
[INFO] [stderr]   --> src/kuhn.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub struct KuhnGame {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/kuhn.rs:64:12
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_player`
[INFO] [stderr]   --> src/kuhn.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn add_player(&mut self, mut p: Box<dyn player::Player>) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `start`
[INFO] [stderr]   --> src/kuhn.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn start(&mut self, total_round: usize) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cfr`
[INFO] [stderr]    --> src/player/cfr_player.rs:215:8
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn cfr(
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `kuhn` (bin "kuhn" test) generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/kuhn-9404a52f79a4efd5)
[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" "3f79f6bb02a4c17a89af43da25f266cfccbe80b07d8001c95c1a971aaeada729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f79f6bb02a4c17a89af43da25f266cfccbe80b07d8001c95c1a971aaeada729", kill_on_drop: false }`
[INFO] [stdout] 3f79f6bb02a4c17a89af43da25f266cfccbe80b07d8001c95c1a971aaeada729