[INFO] cloning repository https://github.com/dkuanyshbaev/ioracle-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dkuanyshbaev/ioracle-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkuanyshbaev%2Fioracle-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkuanyshbaev%2Fioracle-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab010940631b44ed6f42e25cc371f71cd222c2e9
[INFO] checking dkuanyshbaev/ioracle-core against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkuanyshbaev%2Fioracle-core" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dkuanyshbaev/ioracle-core on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dkuanyshbaev/ioracle-core
[INFO] finished tweaking git repo https://github.com/dkuanyshbaev/ioracle-core
[INFO] tweaked toml for git repo https://github.com/dkuanyshbaev/ioracle-core written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dkuanyshbaev/ioracle-core already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", 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] 407c3682984e2985e6e6fb3b83e3b5c9dcb27053780b15d52a700408110acdf0
[INFO] running `Command { std: "docker" "start" "-a" "407c3682984e2985e6e6fb3b83e3b5c9dcb27053780b15d52a700408110acdf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "407c3682984e2985e6e6fb3b83e3b5c9dcb27053780b15d52a700408110acdf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "407c3682984e2985e6e6fb3b83e3b5c9dcb27053780b15d52a700408110acdf0", kill_on_drop: false }`
[INFO] [stdout] 407c3682984e2985e6e6fb3b83e3b5c9dcb27053780b15d52a700408110acdf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e1520805e31b7ee8ec48061eadbe226afd2dfb53c61891376d24652358cb327
[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" "3e1520805e31b7ee8ec48061eadbe226afd2dfb53c61891376d24652358cb327", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]    Compiling rs_ws281x v0.3.1
[INFO] [stderr]     Checking core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `yao`
[INFO] [stdout]    --> src/wires.rs:783:9
[INFO] [stdout]     |
[INFO] [stdout] 783 |     let yao = controller.leds_mut(0);
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_yao`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `colour` is never read
[INFO] [stdout]    --> src/wires.rs:786:9
[INFO] [stdout]     |
[INFO] [stdout] 786 |     let mut colour = "".to_string();
[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 `j` is never read
[INFO] [stdout]    --> src/wires.rs:790:9
[INFO] [stdout]     |
[INFO] [stdout] 790 |     let mut j = 1;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `b` is assigned to, but never used
[INFO] [stdout]    --> src/wires.rs:801:13
[INFO] [stdout]     |
[INFO] [stdout] 801 |         let mut b = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_b` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]    --> src/wires.rs:803:13
[INFO] [stdout]     |
[INFO] [stdout] 803 |             b = 1;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]    --> src/wires.rs:805:13
[INFO] [stdout]     |
[INFO] [stdout] 805 |             b = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/wires.rs:813:14
[INFO] [stdout]     |
[INFO] [stdout] 813 |         let (a, b, c) = parse_colour(&colour);
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/wires.rs:813:20
[INFO] [stdout]     |
[INFO] [stdout] 813 |         let (a, b, c) = parse_colour(&colour);
[INFO] [stdout]     |                    ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `yao`
[INFO] [stdout]    --> src/wires.rs:783:9
[INFO] [stdout]     |
[INFO] [stdout] 783 |     let yao = controller.leds_mut(0);
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_yao`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `colour` is never read
[INFO] [stdout]    --> src/wires.rs:786:9
[INFO] [stdout]     |
[INFO] [stdout] 786 |     let mut colour = "".to_string();
[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 `j` is never read
[INFO] [stdout]    --> src/wires.rs:790:9
[INFO] [stdout]     |
[INFO] [stdout] 790 |     let mut j = 1;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `b` is assigned to, but never used
[INFO] [stdout]    --> src/wires.rs:801:13
[INFO] [stdout]     |
[INFO] [stdout] 801 |         let mut b = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_b` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]    --> src/wires.rs:803:13
[INFO] [stdout]     |
[INFO] [stdout] 803 |             b = 1;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]    --> src/wires.rs:805:13
[INFO] [stdout]     |
[INFO] [stdout] 805 |             b = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/wires.rs:813:14
[INFO] [stdout]     |
[INFO] [stdout] 813 |         let (a, b, c) = parse_colour(&colour);
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/wires.rs:813:20
[INFO] [stdout]     |
[INFO] [stdout] 813 |         let (a, b, c) = parse_colour(&colour);
[INFO] [stdout]     |                    ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]  --> src/machine.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     state: S,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_trigram_colour`
[INFO] [stdout]    --> src/wires.rs:648:8
[INFO] [stdout]     |
[INFO] [stdout] 648 | pub fn get_trigram_colour(t: String) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `display_rel`
[INFO] [stdout]    --> src/wires.rs:782:8
[INFO] [stdout]     |
[INFO] [stdout] 782 | pub fn display_rel(controller: &mut Controller, hexagram: &String, related: &String) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]  --> src/machine.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     state: S,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_trigram_colour`
[INFO] [stdout]    --> src/wires.rs:648:8
[INFO] [stdout]     |
[INFO] [stdout] 648 | pub fn get_trigram_colour(t: String) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `display_rel`
[INFO] [stdout]    --> src/wires.rs:782:8
[INFO] [stdout]     |
[INFO] [stdout] 782 | pub fn display_rel(controller: &mut Controller, hexagram: &String, related: &String) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "3e1520805e31b7ee8ec48061eadbe226afd2dfb53c61891376d24652358cb327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e1520805e31b7ee8ec48061eadbe226afd2dfb53c61891376d24652358cb327", kill_on_drop: false }`
[INFO] [stdout] 3e1520805e31b7ee8ec48061eadbe226afd2dfb53c61891376d24652358cb327