[INFO] cloning repository https://github.com/Babbleshack/maelstrom_tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Babbleshack/maelstrom_tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBabbleshack%2Fmaelstrom_tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBabbleshack%2Fmaelstrom_tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e60aea0467589411fe68810f348a6ecad6a4cf5
[INFO] testing Babbleshack/maelstrom_tools against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBabbleshack%2Fmaelstrom_tools" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Babbleshack/maelstrom_tools on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Babbleshack/maelstrom_tools
[INFO] finished tweaking git repo https://github.com/Babbleshack/maelstrom_tools
[INFO] tweaked toml for git repo https://github.com/Babbleshack/maelstrom_tools written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Babbleshack/maelstrom_tools 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chronos v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1f124da67745b843666ef88ae6537f1adb0ca125fc327f06e890dbe5f12b08e
[INFO] running `Command { std: "docker" "start" "-a" "d1f124da67745b843666ef88ae6537f1adb0ca125fc327f06e890dbe5f12b08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1f124da67745b843666ef88ae6537f1adb0ca125fc327f06e890dbe5f12b08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1f124da67745b843666ef88ae6537f1adb0ca125fc327f06e890dbe5f12b08e", kill_on_drop: false }`
[INFO] [stdout] d1f124da67745b843666ef88ae6537f1adb0ca125fc327f06e890dbe5f12b08e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35c09571a9cbf6fe7fcaa6167698e431f1b9b91a4cfa959a60607c6084893db1
[INFO] running `Command { std: "docker" "start" "-a" "35c09571a9cbf6fe7fcaa6167698e431f1b9b91a4cfa959a60607c6084893db1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling chronos v0.0.1
[INFO] [stderr]    Compiling syn v2.0.13
[INFO] [stderr]    Compiling maelstrom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/node.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{BufRead, Read, Write};
[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: unused import: `Context`
[INFO] [stdout]  --> src/bin/unique_id.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::{anyhow, Context};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context`, `anyhow`
[INFO] [stdout]  --> src/bin/echo.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::{anyhow, Context};
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.01s
[INFO] running `Command { std: "docker" "inspect" "35c09571a9cbf6fe7fcaa6167698e431f1b9b91a4cfa959a60607c6084893db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c09571a9cbf6fe7fcaa6167698e431f1b9b91a4cfa959a60607c6084893db1", kill_on_drop: false }`
[INFO] [stdout] 35c09571a9cbf6fe7fcaa6167698e431f1b9b91a4cfa959a60607c6084893db1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1be98568fc3c68978b73c3621df45139884f3e3e4caad164c92c90b0b9380de
[INFO] running `Command { std: "docker" "start" "-a" "c1be98568fc3c68978b73c3621df45139884f3e3e4caad164c92c90b0b9380de", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/node.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{BufRead, Read, Write};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling maelstrom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/bin/unique_id.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::{anyhow, Context};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context`, `anyhow`
[INFO] [stdout]  --> src/bin/echo.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::{anyhow, Context};
[INFO] [stdout]   |              ^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/node.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{BufRead, Read, Write};
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "c1be98568fc3c68978b73c3621df45139884f3e3e4caad164c92c90b0b9380de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1be98568fc3c68978b73c3621df45139884f3e3e4caad164c92c90b0b9380de", kill_on_drop: false }`
[INFO] [stdout] c1be98568fc3c68978b73c3621df45139884f3e3e4caad164c92c90b0b9380de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d8792c5d6096f1027775067689ac9c4706469f797c46da06ed50a95afda3636
[INFO] running `Command { std: "docker" "start" "-a" "2d8792c5d6096f1027775067689ac9c4706469f797c46da06ed50a95afda3636", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/node.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{BufRead, Read, Write};
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `maelstrom` (lib) generated 1 warning
[INFO] [stderr] warning: `maelstrom` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused imports: `Context`, `anyhow`
[INFO] [stderr]  --> src/bin/echo.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 | use anyhow::{anyhow, Context};
[INFO] [stderr]   |              ^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Context`
[INFO] [stderr]  --> src/bin/unique_id.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use anyhow::{anyhow, Context};
[INFO] [stderr]   |                      ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `maelstrom` (bin "echo" test) generated 1 warning (run `cargo fix --bin "echo" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `maelstrom` (bin "unique_id" test) generated 1 warning (run `cargo fix --bin "unique_id" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maelstrom-9ddd5a570f652b8b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test message::tests::print_init_message ... ignored
[INFO] [stdout] test message::tests::test_err_missing_msg_id ... ok
[INFO] [stdout] test message::tests::test_init_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/echo.rs (/opt/rustwide/target/debug/deps/echo-6fc66c01485e9f91)
[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]      Running unittests src/bin/test-node.rs (/opt/rustwide/target/debug/deps/test_node-db2c2456301c058f)
[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]      Running unittests src/bin/unique_id.rs (/opt/rustwide/target/debug/deps/unique_id-cad6653b8103e324)
[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 maelstrom
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/snowflake.rs - snowflake::Snowflake (line 19) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/snowflake.rs - snowflake::Snowflake (line 19) stdout ----
[INFO] [stdout] error: invalid `struct` delimiters or `fn` call arguments
[INFO] [stdout]  --> src/snowflake.rs:20:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | let snowflake = Snowflake::new(seed: 0).into_iter();
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if `Snowflake::new` is a struct, use braces as delimiters
[INFO] [stdout]   |
[INFO] [stdout] 3 | let snowflake = Snowflake::new { seed: 0 }.into_iter();
[INFO] [stdout]   |                                ~         ~
[INFO] [stdout] help: if `Snowflake::new` is a function, use the arguments directly
[INFO] [stdout]   |
[INFO] [stdout] 3 - let snowflake = Snowflake::new(seed: 0).into_iter();
[INFO] [stdout] 3 + let snowflake = Snowflake::new(0).into_iter();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/snowflake.rs - snowflake::Snowflake (line 19)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2d8792c5d6096f1027775067689ac9c4706469f797c46da06ed50a95afda3636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8792c5d6096f1027775067689ac9c4706469f797c46da06ed50a95afda3636", kill_on_drop: false }`
[INFO] [stdout] 2d8792c5d6096f1027775067689ac9c4706469f797c46da06ed50a95afda3636
