[INFO] cloning repository https://github.com/jdelman/conway-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdelman/conway-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdelman%2Fconway-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdelman%2Fconway-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86ea64bb7103d91bbe9fcdbbd30b2b608a5018ce
[INFO] testing jdelman/conway-rust against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdelman%2Fconway-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jdelman/conway-rust
[INFO] finished tweaking git repo https://github.com/jdelman/conway-rust
[INFO] tweaked toml for git repo https://github.com/jdelman/conway-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jdelman/conway-rust on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jdelman/conway-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.12
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca12e969fdb5683f6e1cd680a16ec554756ed7f3da31885af6406d5affd721c5
[INFO] running `Command { std: "docker" "start" "-a" "ca12e969fdb5683f6e1cd680a16ec554756ed7f3da31885af6406d5affd721c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca12e969fdb5683f6e1cd680a16ec554756ed7f3da31885af6406d5affd721c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca12e969fdb5683f6e1cd680a16ec554756ed7f3da31885af6406d5affd721c5", kill_on_drop: false }`
[INFO] [stdout] ca12e969fdb5683f6e1cd680a16ec554756ed7f3da31885af6406d5affd721c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 824c80a90711b157e3f1945fcd664c9d5ec1b85a0932bac800d58f5ba6ce39d4
[INFO] running `Command { std: "docker" "start" "-a" "824c80a90711b157e3f1945fcd664c9d5ec1b85a0932bac800d58f5ba6ce39d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling atty v0.2.12
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling conway-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/grid.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let segment_bits = (8 * SEGMENT_SIZE);
[INFO] [stdout]    |                        ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -     let segment_bits = (8 * SEGMENT_SIZE);
[INFO] [stdout] 49 +     let segment_bits = 8 * SEGMENT_SIZE;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 |     if (delay > 0) {
[INFO] [stdout]    |        ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -     if (delay > 0) {
[INFO] [stdout] 77 +     if delay > 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print_indexes` and `to_base64` are never used
[INFO] [stdout]    --> src/grid.rs:130:10
[INFO] [stdout]     |
[INFO] [stdout]  26 | impl Grid {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 130 |   pub fn print_indexes(&self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |   pub fn to_base64(&self) -> String {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_octets` is never used
[INFO] [stdout]  --> src/octets.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn to_octets(value: usize) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.18s
[INFO] running `Command { std: "docker" "inspect" "824c80a90711b157e3f1945fcd664c9d5ec1b85a0932bac800d58f5ba6ce39d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824c80a90711b157e3f1945fcd664c9d5ec1b85a0932bac800d58f5ba6ce39d4", kill_on_drop: false }`
[INFO] [stdout] 824c80a90711b157e3f1945fcd664c9d5ec1b85a0932bac800d58f5ba6ce39d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c67b3017e206464c7c8a3f67bd117f1a677686caeeafd3b36ccf514e9ddb6ca4
[INFO] running `Command { std: "docker" "start" "-a" "c67b3017e206464c7c8a3f67bd117f1a677686caeeafd3b36ccf514e9ddb6ca4", kill_on_drop: false }`
[INFO] [stderr]    Compiling conway-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/grid.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let segment_bits = (8 * SEGMENT_SIZE);
[INFO] [stdout]    |                        ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -     let segment_bits = (8 * SEGMENT_SIZE);
[INFO] [stdout] 49 +     let segment_bits = 8 * SEGMENT_SIZE;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 |     if (delay > 0) {
[INFO] [stdout]    |        ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -     if (delay > 0) {
[INFO] [stdout] 77 +     if delay > 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print_indexes` and `to_base64` are never used
[INFO] [stdout]    --> src/grid.rs:130:10
[INFO] [stdout]     |
[INFO] [stdout]  26 | impl Grid {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 130 |   pub fn print_indexes(&self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |   pub fn to_base64(&self) -> String {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_octets` is never used
[INFO] [stdout]  --> src/octets.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn to_octets(value: usize) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "c67b3017e206464c7c8a3f67bd117f1a677686caeeafd3b36ccf514e9ddb6ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67b3017e206464c7c8a3f67bd117f1a677686caeeafd3b36ccf514e9ddb6ca4", kill_on_drop: false }`
[INFO] [stdout] c67b3017e206464c7c8a3f67bd117f1a677686caeeafd3b36ccf514e9ddb6ca4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06897abc28a9de3fa69084f5980796dc8d37f0d51c33ee7336a8248058ea52df
[INFO] running `Command { std: "docker" "start" "-a" "06897abc28a9de3fa69084f5980796dc8d37f0d51c33ee7336a8248058ea52df", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/grid.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let segment_bits = (8 * SEGMENT_SIZE);
[INFO] [stderr]    |                        ^                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 49 -     let segment_bits = (8 * SEGMENT_SIZE);
[INFO] [stderr] 49 +     let segment_bits = 8 * SEGMENT_SIZE;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 |     if (delay > 0) {
[INFO] [stderr]    |        ^         ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 77 -     if (delay > 0) {
[INFO] [stderr] 77 +     if delay > 0 {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: methods `print_indexes` and `to_base64` are never used
[INFO] [stderr]    --> src/grid.rs:130:10
[INFO] [stderr]     |
[INFO] [stderr]  26 | impl Grid {
[INFO] [stderr]     | --------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 130 |   pub fn print_indexes(&self) {
[INFO] [stderr]     |          ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 145 |   pub fn to_base64(&self) -> String {
[INFO] [stderr]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 0 tests
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: function `to_octets` is never used
[INFO] [stdout] 
[INFO] [stderr]  --> src/octets.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn to_octets(value: usize) -> Vec<u8> {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `conway-rust` (bin "conway-rust" test) generated 4 warnings (run `cargo fix --bin "conway-rust" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/conway_rust-20511c85c2ac9b73)
[INFO] running `Command { std: "docker" "inspect" "06897abc28a9de3fa69084f5980796dc8d37f0d51c33ee7336a8248058ea52df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06897abc28a9de3fa69084f5980796dc8d37f0d51c33ee7336a8248058ea52df", kill_on_drop: false }`
[INFO] [stdout] 06897abc28a9de3fa69084f5980796dc8d37f0d51c33ee7336a8248058ea52df