[INFO] cloning repository https://github.com/lesguillemets/find_the_conways
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lesguillemets/find_the_conways" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesguillemets%2Ffind_the_conways", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesguillemets%2Ffind_the_conways'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f24dee445cba76344258e38c55c3f4bcd24efd6
[INFO] checking lesguillemets/find_the_conways against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesguillemets%2Ffind_the_conways" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  46% (7/15)
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[INFO] validating manifest of git repo https://github.com/lesguillemets/find_the_conways on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lesguillemets/find_the_conways
[INFO] finished tweaking git repo https://github.com/lesguillemets/find_the_conways
[INFO] tweaked toml for git repo https://github.com/lesguillemets/find_the_conways written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/lesguillemets/find_the_conways already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c47f305472e93b29271a163c03eea2d5d6016cc06283ab621f4c313ff11edaed
[INFO] running `Command { std: "docker" "start" "-a" "c47f305472e93b29271a163c03eea2d5d6016cc06283ab621f4c313ff11edaed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c47f305472e93b29271a163c03eea2d5d6016cc06283ab621f4c313ff11edaed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47f305472e93b29271a163c03eea2d5d6016cc06283ab621f4c313ff11edaed", kill_on_drop: false }`
[INFO] [stdout] c47f305472e93b29271a163c03eea2d5d6016cc06283ab621f4c313ff11edaed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09d06dbf21e15e9c6ab80f77c1b932afea99cf2ec9e610e50203ab851a9a0cd0
[INFO] running `Command { std: "docker" "start" "-a" "09d06dbf21e15e9c6ab80f77c1b932afea99cf2ec9e610e50203ab851a9a0cd0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking gnuplot v0.0.32
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking find_the_conways v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `gnuplot`
[INFO] [stdout]  --> src/plot_utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gnuplot;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/plot_utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stdout]  --> src/plot_utils.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/plot_utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gnuplot`
[INFO] [stdout]  --> src/plot_utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gnuplot;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/plot_utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stdout]  --> src/plot_utils.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/plot_utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SAVE_WIDTH`
[INFO] [stdout]  --> src/plot_utils.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const SAVE_WIDTH: u32 = 800;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SAVE_HEIGHT`
[INFO] [stdout]  --> src/plot_utils.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const SAVE_HEIGHT: u32 = 600;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SAVE_WIDTH`
[INFO] [stdout]  --> src/plot_utils.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const SAVE_WIDTH: u32 = 800;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SAVE_HEIGHT`
[INFO] [stdout]  --> src/plot_utils.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const SAVE_HEIGHT: u32 = 600;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/bin/plot_lifes.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/bin/plot_lifes.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `find_the_conways::read_serieses`
[INFO] [stdout]  --> src/bin/analysers.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use find_the_conways::read_serieses;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `find_the_conways::read_serieses`
[INFO] [stdout]  --> src/bin/analysers.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use find_the_conways::read_serieses;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SAVE_WIDTH`
[INFO] [stdout]  --> src/bin/plot_lifes.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const SAVE_WIDTH: u32 = 800;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SAVE_HEIGHT`
[INFO] [stdout]  --> src/bin/plot_lifes.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const SAVE_HEIGHT: u32 = 600;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_PLOT_SEQS`
[INFO] [stdout]  --> src/bin/plot_lifes.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const MAX_PLOT_SEQS: u32 = 100;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `normalise`
[INFO] [stdout]   --> src/bin/plot_lifes.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn normalise(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SAVE_WIDTH`
[INFO] [stdout]  --> src/bin/plot_lifes.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const SAVE_WIDTH: u32 = 800;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SAVE_HEIGHT`
[INFO] [stdout]  --> src/bin/plot_lifes.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const SAVE_HEIGHT: u32 = 600;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_PLOT_SEQS`
[INFO] [stdout]  --> src/bin/plot_lifes.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const MAX_PLOT_SEQS: u32 = 100;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `normalise`
[INFO] [stdout]   --> src/bin/plot_lifes.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn normalise(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "09d06dbf21e15e9c6ab80f77c1b932afea99cf2ec9e610e50203ab851a9a0cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d06dbf21e15e9c6ab80f77c1b932afea99cf2ec9e610e50203ab851a9a0cd0", kill_on_drop: false }`
[INFO] [stdout] 09d06dbf21e15e9c6ab80f77c1b932afea99cf2ec9e610e50203ab851a9a0cd0