[INFO] cloning repository https://github.com/RumakBartosz/decay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RumakBartosz/decay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRumakBartosz%2Fdecay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRumakBartosz%2Fdecay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed26ebe0b8e740afb0a309620856de6dd1ce0157
[INFO] testing RumakBartosz/decay against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRumakBartosz%2Fdecay" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RumakBartosz/decay on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RumakBartosz/decay
[INFO] finished tweaking git repo https://github.com/RumakBartosz/decay
[INFO] tweaked toml for git repo https://github.com/RumakBartosz/decay written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/RumakBartosz/decay already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37cda502f4b42a24d49194589b31611ac77b3fd8fd2f4ea9196990e42b1ae2b4
[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" "37cda502f4b42a24d49194589b31611ac77b3fd8fd2f4ea9196990e42b1ae2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37cda502f4b42a24d49194589b31611ac77b3fd8fd2f4ea9196990e42b1ae2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37cda502f4b42a24d49194589b31611ac77b3fd8fd2f4ea9196990e42b1ae2b4", kill_on_drop: false }`
[INFO] [stdout] 37cda502f4b42a24d49194589b31611ac77b3fd8fd2f4ea9196990e42b1ae2b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e69e262dad9f2c2648b1fcdf399276cb76fa38f2491d041227dd9a569459dfa5
[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" "e69e262dad9f2c2648b1fcdf399276cb76fa38f2491d041227dd9a569459dfa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.14
[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 decay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `r` should have an upper camel case name
[INFO] [stdout]  --> src/parser/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     r,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `b` should have an upper camel case name
[INFO] [stdout]  --> src/parser/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     b,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case: `B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `o` should have an upper camel case name
[INFO] [stdout]  --> src/parser/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     o,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `O`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x` should have an upper camel case name
[INFO] [stdout]  --> src/parser/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     x,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r` should have an upper camel case name
[INFO] [stdout]  --> src/rand_bot/../parser/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     r,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `b` should have an upper camel case name
[INFO] [stdout]  --> src/rand_bot/../parser/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     b,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case: `B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `o` should have an upper camel case name
[INFO] [stdout]  --> src/rand_bot/../parser/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     o,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `O`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x` should have an upper camel case name
[INFO] [stdout]  --> src/rand_bot/../parser/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     x,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |             &self.make_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let _ = &self.make_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let _ = &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             &self.make_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 141 |             let _ = &self.make_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |             &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let _ = &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |             &self.make_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 159 |             let _ = &self.make_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |             &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let _ = &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.76s
[INFO] running `Command { std: "docker" "inspect" "e69e262dad9f2c2648b1fcdf399276cb76fa38f2491d041227dd9a569459dfa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69e262dad9f2c2648b1fcdf399276cb76fa38f2491d041227dd9a569459dfa5", kill_on_drop: false }`
[INFO] [stdout] e69e262dad9f2c2648b1fcdf399276cb76fa38f2491d041227dd9a569459dfa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e18f2ac9c00e87c2288754e899af6cbe069ec03d37a7cc67f17cd2c1cf4578aa
[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" "e18f2ac9c00e87c2288754e899af6cbe069ec03d37a7cc67f17cd2c1cf4578aa", kill_on_drop: false }`
[INFO] [stdout] warning: variant `r` should have an upper camel case name
[INFO] [stdout]  --> src/parser/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     r,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `b` should have an upper camel case name
[INFO] [stdout]  --> src/parser/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     b,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case: `B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `o` should have an upper camel case name
[INFO] [stdout]  --> src/parser/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     o,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `O`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x` should have an upper camel case name
[INFO] [stdout]  --> src/parser/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     x,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r` should have an upper camel case name
[INFO] [stdout]  --> src/rand_bot/../parser/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     r,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `b` should have an upper camel case name
[INFO] [stdout]  --> src/rand_bot/../parser/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     b,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case: `B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `o` should have an upper camel case name
[INFO] [stdout]  --> src/rand_bot/../parser/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     o,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `O`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x` should have an upper camel case name
[INFO] [stdout]  --> src/rand_bot/../parser/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     x,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |             &self.make_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let _ = &self.make_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let _ = &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             &self.make_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 141 |             let _ = &self.make_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |             &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let _ = &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |             &self.make_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 159 |             let _ = &self.make_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |             &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let _ = &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling decay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `r` should have an upper camel case name
[INFO] [stdout]  --> src/parser/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     r,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `b` should have an upper camel case name
[INFO] [stdout]  --> src/parser/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     b,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case: `B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `o` should have an upper camel case name
[INFO] [stdout]  --> src/parser/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     o,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `O`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x` should have an upper camel case name
[INFO] [stdout]  --> src/parser/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     x,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r` should have an upper camel case name
[INFO] [stdout]  --> src/rand_bot/../parser/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     r,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `b` should have an upper camel case name
[INFO] [stdout]  --> src/rand_bot/../parser/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     b,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case: `B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `o` should have an upper camel case name
[INFO] [stdout]  --> src/rand_bot/../parser/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     o,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `O`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x` should have an upper camel case name
[INFO] [stdout]  --> src/rand_bot/../parser/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     x,
[INFO] [stdout]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |             &self.make_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let _ = &self.make_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let _ = &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             &self.make_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 141 |             let _ = &self.make_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |             &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let _ = &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |             &self.make_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 159 |             let _ = &self.make_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/negamax/mod.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |             &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let _ = &self.unmake_move(&map, &available_move);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "e18f2ac9c00e87c2288754e899af6cbe069ec03d37a7cc67f17cd2c1cf4578aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18f2ac9c00e87c2288754e899af6cbe069ec03d37a7cc67f17cd2c1cf4578aa", kill_on_drop: false }`
[INFO] [stdout] e18f2ac9c00e87c2288754e899af6cbe069ec03d37a7cc67f17cd2c1cf4578aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9648c1226c2c171629079183657c2a43cd6e7062ab0dc721e42278dcbb22ec76
[INFO] running `Command { std: "docker" "start" "-a" "9648c1226c2c171629079183657c2a43cd6e7062ab0dc721e42278dcbb22ec76", kill_on_drop: false }`
[INFO] [stderr] warning: variant `r` should have an upper camel case name
[INFO] [stderr]  --> src/parser/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     r,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `b` should have an upper camel case name
[INFO] [stderr]  --> src/parser/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     b,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case: `B`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `o` should have an upper camel case name
[INFO] [stderr]  --> src/parser/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     o,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `O`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `x` should have an upper camel case name
[INFO] [stderr]  --> src/parser/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     x,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r` should have an upper camel case name
[INFO] [stderr]  --> src/rand_bot/../parser/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     r,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `b` should have an upper camel case name
[INFO] [stderr]  --> src/rand_bot/../parser/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     b,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case: `B`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `o` should have an upper camel case name
[INFO] [stderr]  --> src/rand_bot/../parser/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     o,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `O`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `x` should have an upper camel case name
[INFO] [stderr]  --> src/rand_bot/../parser/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     x,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/negamax/mod.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |             &self.make_move(&map, &available_move);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 119 |             let _ = &self.make_move(&map, &available_move);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/negamax/mod.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |             &self.unmake_move(&map, &available_move);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 121 |             let _ = &self.unmake_move(&map, &available_move);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/negamax/mod.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |             &self.make_move(&map, &available_move);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 141 |             let _ = &self.make_move(&map, &available_move);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/negamax/mod.rs:143:13
[INFO] [stderr]     |
[INFO] [stderr] 143 |             &self.unmake_move(&map, &available_move);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let _ = &self.unmake_move(&map, &available_move);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/negamax/mod.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 159 |             &self.make_move(&map, &available_move);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 159 |             let _ = &self.make_move(&map, &available_move);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/negamax/mod.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |             &self.unmake_move(&map, &available_move);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 161 |             let _ = &self.unmake_move(&map, &available_move);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `decay` (lib) generated 14 warnings
[INFO] [stderr] warning: `decay` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/decay-f3cb13f94c504ede)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/decay-a370b8d73e965fd5)
[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] [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] [stderr]    Doc-tests decay
[INFO] [stderr] warning: variant `r` should have an upper camel case name
[INFO] [stderr]  --> /opt/rustwide/workdir/src/parser/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     r,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `b` should have an upper camel case name
[INFO] [stderr]  --> /opt/rustwide/workdir/src/parser/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     b,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case: `B`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `o` should have an upper camel case name
[INFO] [stderr]  --> /opt/rustwide/workdir/src/parser/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     o,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `O`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `x` should have an upper camel case name
[INFO] [stderr]  --> /opt/rustwide/workdir/src/parser/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     x,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r` should have an upper camel case name
[INFO] [stderr]  --> /opt/rustwide/workdir/src/rand_bot/../parser/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     r,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `b` should have an upper camel case name
[INFO] [stderr]  --> /opt/rustwide/workdir/src/rand_bot/../parser/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     b,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case: `B`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `o` should have an upper camel case name
[INFO] [stderr]  --> /opt/rustwide/workdir/src/rand_bot/../parser/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     o,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `O`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `x` should have an upper camel case name
[INFO] [stderr]  --> /opt/rustwide/workdir/src/rand_bot/../parser/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     x,
[INFO] [stderr]   |     ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[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" "9648c1226c2c171629079183657c2a43cd6e7062ab0dc721e42278dcbb22ec76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9648c1226c2c171629079183657c2a43cd6e7062ab0dc721e42278dcbb22ec76", kill_on_drop: false }`
[INFO] [stdout] 9648c1226c2c171629079183657c2a43cd6e7062ab0dc721e42278dcbb22ec76