[INFO] cloning repository https://github.com/pangpangguy/blobwar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pangpangguy/blobwar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpangpangguy%2Fblobwar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpangpangguy%2Fblobwar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42e4a45ebb39d11e1f265932ce06e487f593d390
[INFO] checking pangpangguy/blobwar against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpangpangguy%2Fblobwar" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pangpangguy/blobwar on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pangpangguy/blobwar
[INFO] finished tweaking git repo https://github.com/pangpangguy/blobwar
[INFO] tweaked toml for git repo https://github.com/pangpangguy/blobwar written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/pangpangguy/blobwar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67c3dcd83838e465b667a1f598bcc698088b357e297b7320dddd4b252d965c79
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "67c3dcd83838e465b667a1f598bcc698088b357e297b7320dddd4b252d965c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67c3dcd83838e465b667a1f598bcc698088b357e297b7320dddd4b252d965c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c3dcd83838e465b667a1f598bcc698088b357e297b7320dddd4b252d965c79", kill_on_drop: false }`
[INFO] [stdout] 67c3dcd83838e465b667a1f598bcc698088b357e297b7320dddd4b252d965c79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68f0e701fb0d8e875af7c32a84beeb8459db4b2a7bbe46b83a6ba56a495d7c62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "68f0e701fb0d8e875af7c32a84beeb8459db4b2a7bbe46b83a6ba56a495d7c62", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking blobwar v0.1.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/configuration.rs (1 fix)
[INFO] [stderr]        Fixed src/strategy/minmax.rs (2 fixes)
[INFO] [stderr]        Fixed src/strategy/alphabeta.rs (1 fix)
[INFO] [stdout] warning: function is never used: `minimaxV2`
[INFO] [stdout]   --> src/strategy/minmax.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn minimaxV2(state: &Configuration, rec_depth: u8) -> (i8, Option<Movement>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `alphabeta_memo`
[INFO] [stdout]   --> src/strategy/alphabeta.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn alphabeta_memo(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `alphabeta_memo_sort`
[INFO] [stdout]    --> src/strategy/alphabeta.rs:168:4
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn alphabeta_memo_sort(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `minimaxV2` should have a snake case name
[INFO] [stdout]   --> src/strategy/minmax.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn minimaxV2(state: &Configuration, rec_depth: u8) -> (i8, Option<Movement>) {
[INFO] [stdout]    |    ^^^^^^^^^ help: convert the identifier to snake case: `minimax_v2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `minimaxV2`
[INFO] [stdout]   --> src/strategy/minmax.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn minimaxV2(state: &Configuration, rec_depth: u8) -> (i8, Option<Movement>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `alphabeta_memo`
[INFO] [stdout]   --> src/strategy/alphabeta.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn alphabeta_memo(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `alphabeta_memo_sort`
[INFO] [stdout]    --> src/strategy/alphabeta.rs:168:4
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn alphabeta_memo_sort(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `minimaxV2` should have a snake case name
[INFO] [stdout]   --> src/strategy/minmax.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn minimaxV2(state: &Configuration, rec_depth: u8) -> (i8, Option<Movement>) {
[INFO] [stdout]    |    ^^^^^^^^^ help: convert the identifier to snake case: `minimax_v2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/bin/client.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/server.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/board.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/blobwar_iterative_deepening.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/serialize.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (4 fixes)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.66s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking blobwar v0.1.1 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `minimaxV2`
[INFO] [stdout]   --> src/strategy/minmax.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn minimaxV2(state: &Configuration, rec_depth: u8) -> (i8, Option<Movement>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `alphabeta_memo`
[INFO] [stdout]   --> src/strategy/alphabeta.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn alphabeta_memo(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `alphabeta_memo_sort`
[INFO] [stdout]    --> src/strategy/alphabeta.rs:168:4
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn alphabeta_memo_sort(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `minimaxV2` should have a snake case name
[INFO] [stdout]   --> src/strategy/minmax.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn minimaxV2(state: &Configuration, rec_depth: u8) -> (i8, Option<Movement>) {
[INFO] [stdout]    |    ^^^^^^^^^ help: convert the identifier to snake case: `minimax_v2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `minimaxV2`
[INFO] [stdout]   --> src/strategy/minmax.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn minimaxV2(state: &Configuration, rec_depth: u8) -> (i8, Option<Movement>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `alphabeta_memo`
[INFO] [stdout]   --> src/strategy/alphabeta.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn alphabeta_memo(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `alphabeta_memo_sort`
[INFO] [stdout]    --> src/strategy/alphabeta.rs:168:4
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn alphabeta_memo_sort(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `minimaxV2` should have a snake case name
[INFO] [stdout]   --> src/strategy/minmax.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn minimaxV2(state: &Configuration, rec_depth: u8) -> (i8, Option<Movement>) {
[INFO] [stdout]    |    ^^^^^^^^^ help: convert the identifier to snake case: `minimax_v2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "68f0e701fb0d8e875af7c32a84beeb8459db4b2a7bbe46b83a6ba56a495d7c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f0e701fb0d8e875af7c32a84beeb8459db4b2a7bbe46b83a6ba56a495d7c62", kill_on_drop: false }`
[INFO] [stdout] 68f0e701fb0d8e875af7c32a84beeb8459db4b2a7bbe46b83a6ba56a495d7c62