[INFO] cloning repository https://github.com/SpecificProtagonist/connect4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SpecificProtagonist/connect4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpecificProtagonist%2Fconnect4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpecificProtagonist%2Fconnect4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a32c6ccde57d748e58c4ba6f6ff4131b2454d016
[INFO] testing SpecificProtagonist/connect4 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpecificProtagonist%2Fconnect4" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SpecificProtagonist/connect4 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SpecificProtagonist/connect4
[INFO] finished tweaking git repo https://github.com/SpecificProtagonist/connect4
[INFO] tweaked toml for git repo https://github.com/SpecificProtagonist/connect4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/SpecificProtagonist/connect4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d18a800b4b583960f2665e8c0ee7bb97bfd0134e74471b4f53009c40aa5d8cd
[INFO] running `Command { std: "docker" "start" "-a" "4d18a800b4b583960f2665e8c0ee7bb97bfd0134e74471b4f53009c40aa5d8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d18a800b4b583960f2665e8c0ee7bb97bfd0134e74471b4f53009c40aa5d8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d18a800b4b583960f2665e8c0ee7bb97bfd0134e74471b4f53009c40aa5d8cd", kill_on_drop: false }`
[INFO] [stdout] 4d18a800b4b583960f2665e8c0ee7bb97bfd0134e74471b4f53009c40aa5d8cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d8561260f61e727a0c97f2667450474afe2bbc6b8478689b2dbea446210d98c
[INFO] running `Command { std: "docker" "start" "-a" "4d8561260f61e727a0c97f2667450474afe2bbc6b8478689b2dbea446210d98c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `clap`
[INFO] [stdout]  --> src/main.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use structopt::{clap, StructOpt};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn`
[INFO] [stdout]   --> src/lib.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn turn(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.18s
[INFO] running `Command { std: "docker" "inspect" "4d8561260f61e727a0c97f2667450474afe2bbc6b8478689b2dbea446210d98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8561260f61e727a0c97f2667450474afe2bbc6b8478689b2dbea446210d98c", kill_on_drop: false }`
[INFO] [stdout] 4d8561260f61e727a0c97f2667450474afe2bbc6b8478689b2dbea446210d98c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a4de53adbf13906a8a51dc35f6b0ef4ac741def4921b668cdac58dc86b6cb29
[INFO] running `Command { std: "docker" "start" "-a" "4a4de53adbf13906a8a51dc35f6b0ef4ac741def4921b668cdac58dc86b6cb29", kill_on_drop: false }`
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `clap`
[INFO] [stdout]  --> src/main.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use structopt::{clap, StructOpt};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn`
[INFO] [stdout]   --> src/lib.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn turn(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a4de53adbf13906a8a51dc35f6b0ef4ac741def4921b668cdac58dc86b6cb29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4de53adbf13906a8a51dc35f6b0ef4ac741def4921b668cdac58dc86b6cb29", kill_on_drop: false }`
[INFO] [stdout] 4a4de53adbf13906a8a51dc35f6b0ef4ac741def4921b668cdac58dc86b6cb29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8cbc0068db5cfef31ce037fb1626c1fabee6794ef6377e7ffe7ebe71eb322609
[INFO] running `Command { std: "docker" "start" "-a" "8cbc0068db5cfef31ce037fb1626c1fabee6794ef6377e7ffe7ebe71eb322609", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `clap`
[INFO] [stdout] running 1 test
[INFO] [stderr]  --> src/main.rs:8:17
[INFO] [stdout] test test_winning_moves ... ok
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 8 | use structopt::{clap, StructOpt};
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `turn`
[INFO] [stderr]   --> src/lib.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn turn(&self) -> usize {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `connect4` (bin "connect4" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/connect4-27c5a6b009c8a163)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/connect4-0af9be90284b73b3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests connect4
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib::test_winning_moves ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "8cbc0068db5cfef31ce037fb1626c1fabee6794ef6377e7ffe7ebe71eb322609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cbc0068db5cfef31ce037fb1626c1fabee6794ef6377e7ffe7ebe71eb322609", kill_on_drop: false }`
[INFO] [stdout] 8cbc0068db5cfef31ce037fb1626c1fabee6794ef6377e7ffe7ebe71eb322609