[INFO] cloning repository https://github.com/lhayhurst/rust-prog-lang-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lhayhurst/rust-prog-lang-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhayhurst%2Frust-prog-lang-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhayhurst%2Frust-prog-lang-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c9eaed45b9c259ccd93a18f44eec7942ed02ca1
[INFO] testing lhayhurst/rust-prog-lang-2021 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhayhurst%2Frust-prog-lang-2021" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lhayhurst/rust-prog-lang-2021
[INFO] finished tweaking git repo https://github.com/lhayhurst/rust-prog-lang-2021
[INFO] tweaked toml for git repo https://github.com/lhayhurst/rust-prog-lang-2021 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lhayhurst/rust-prog-lang-2021 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lhayhurst/rust-prog-lang-2021 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c187914f42260dc880116774328f33201a4610cd1c77136aaa97425c659b23b5
[INFO] running `Command { std: "docker" "start" "-a" "c187914f42260dc880116774328f33201a4610cd1c77136aaa97425c659b23b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c187914f42260dc880116774328f33201a4610cd1c77136aaa97425c659b23b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c187914f42260dc880116774328f33201a4610cd1c77136aaa97425c659b23b5", kill_on_drop: false }`
[INFO] [stdout] c187914f42260dc880116774328f33201a4610cd1c77136aaa97425c659b23b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 114e3517f6c2cebaa102a5e3013b4d016db4fca002147ec876b505dd7750ae7d
[INFO] running `Command { std: "docker" "start" "-a" "114e3517f6c2cebaa102a5e3013b4d016db4fca002147ec876b505dd7750ae7d", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling futures-io v0.3.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling day1 v0.1.0 (/opt/rustwide/workdir/aoc2023/day1)
[INFO] [stderr]    Compiling day3 v0.1.0 (/opt/rustwide/workdir/aoc2023/day3)
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> aoc2023/day3/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_test_schematic` is never used
[INFO] [stdout]    --> aoc2023/day3/src/lib.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn get_test_schematic() -> EngineSchematic {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_alt_test_schematic` is never used
[INFO] [stdout]    --> aoc2023/day3/src/lib.rs:240:8
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn get_alt_test_schematic() -> EngineSchematic {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> aoc2023/day1/src/lib.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |         ret = ret.replace(key.clone(), val);
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling string v0.1.0 (/opt/rustwide/workdir/chpt8/string)
[INFO] [stderr]    Compiling structs v0.1.0 (/opt/rustwide/workdir/chpt5/structs)
[INFO] [stderr]    Compiling vec v0.1.0 (/opt/rustwide/workdir/chpt8/vec)
[INFO] [stderr]    Compiling hashmap v0.1.0 (/opt/rustwide/workdir/chpt8/hashmap)
[INFO] [stderr]    Compiling ownership v0.1.0 (/opt/rustwide/workdir/chpt4/ownership)
[INFO] [stderr]    Compiling slices v0.1.0 (/opt/rustwide/workdir/chpt4/slices)
[INFO] [stderr]    Compiling enums v0.1.0 (/opt/rustwide/workdir/chpt6/enums)
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir/hello_world)
[INFO] [stderr]    Compiling patterns v0.1.0 (/opt/rustwide/workdir/chpt6/patterns)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> chpt8/hashmap/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling rstest_macros v0.17.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling day2 v0.1.0 (/opt/rustwide/workdir/aoc2023/day2)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> aoc2023/day2/src/lib.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> aoc2023/day2/src/lib.rs:116:1
[INFO] [stdout]     |
[INFO] [stdout] 116 | mod test_cube_sampler {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> aoc2023/day2/src/lib.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         return panic!("Sample line {} did not start with Game N", input);
[INFO] [stdout]     |         ^^^^^^^---------------------------------------------------------
[INFO] [stdout]     |         |      |
[INFO] [stdout]     |         |      any code following this expression is unreachable
[INFO] [stdout]     |         unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling futures-executor v0.3.29
[INFO] [stderr]    Compiling futures v0.3.29
[INFO] [stderr]    Compiling rstest v0.17.0
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir/chpt3/fibonacci)
[INFO] [stderr]    Compiling temp_conversion v0.1.0 (/opt/rustwide/workdir/chpt3/temp_conversion)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "114e3517f6c2cebaa102a5e3013b4d016db4fca002147ec876b505dd7750ae7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114e3517f6c2cebaa102a5e3013b4d016db4fca002147ec876b505dd7750ae7d", kill_on_drop: false }`
[INFO] [stdout] 114e3517f6c2cebaa102a5e3013b4d016db4fca002147ec876b505dd7750ae7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc37ce21354265ad810d912c2650061fbad2965f8a6613fd48fa04b4fa8d7813
[INFO] running `Command { std: "docker" "start" "-a" "bc37ce21354265ad810d912c2650061fbad2965f8a6613fd48fa04b4fa8d7813", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> aoc2023/day1/src/lib.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |         ret = ret.replace(key.clone(), val);
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> aoc2023/day3/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_test_schematic` is never used
[INFO] [stdout]    --> aoc2023/day3/src/lib.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn get_test_schematic() -> EngineSchematic {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_alt_test_schematic` is never used
[INFO] [stdout]    --> aoc2023/day3/src/lib.rs:240:8
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn get_alt_test_schematic() -> EngineSchematic {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> chpt8/hashmap/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day1 v0.1.0 (/opt/rustwide/workdir/aoc2023/day1)
[INFO] [stderr]    Compiling day3 v0.1.0 (/opt/rustwide/workdir/aoc2023/day3)
[INFO] [stderr]    Compiling vec v0.1.0 (/opt/rustwide/workdir/chpt8/vec)
[INFO] [stderr]    Compiling enums v0.1.0 (/opt/rustwide/workdir/chpt6/enums)
[INFO] [stderr]    Compiling structs v0.1.0 (/opt/rustwide/workdir/chpt5/structs)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> aoc2023/day2/src/lib.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> aoc2023/day2/src/lib.rs:116:1
[INFO] [stdout]     |
[INFO] [stdout] 116 | mod test_cube_sampler {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> aoc2023/day2/src/lib.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         return panic!("Sample line {} did not start with Game N", input);
[INFO] [stdout]     |         ^^^^^^^---------------------------------------------------------
[INFO] [stdout]     |         |      |
[INFO] [stdout]     |         |      any code following this expression is unreachable
[INFO] [stdout]     |         unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day2 v0.1.0 (/opt/rustwide/workdir/aoc2023/day2)
[INFO] [stderr]    Compiling hashmap v0.1.0 (/opt/rustwide/workdir/chpt8/hashmap)
[INFO] [stderr]    Compiling patterns v0.1.0 (/opt/rustwide/workdir/chpt6/patterns)
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir/hello_world)
[INFO] [stderr]    Compiling ownership v0.1.0 (/opt/rustwide/workdir/chpt4/ownership)
[INFO] [stderr]    Compiling string v0.1.0 (/opt/rustwide/workdir/chpt8/string)
[INFO] [stderr]    Compiling slices v0.1.0 (/opt/rustwide/workdir/chpt4/slices)
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir/chpt3/fibonacci)
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> aoc2023/day3/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> aoc2023/day1/src/lib.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |         ret = ret.replace(key.clone(), val);
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> aoc2023/day2/src/lib.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         return panic!("Sample line {} did not start with Game N", input);
[INFO] [stdout]     |         ^^^^^^^---------------------------------------------------------
[INFO] [stdout]     |         |      |
[INFO] [stdout]     |         |      any code following this expression is unreachable
[INFO] [stdout]     |         unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `format` is never read
[INFO] [stdout]    --> chpt5/structs/src/lib.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         struct Book {
[INFO] [stdout]     |                ---- field in this struct
[INFO] [stdout] 110 |             isbn: i64,
[INFO] [stdout] 111 |             format: BookFormat,
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> chpt8/vec/src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut v: Vec<i32> = Vec::new();
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling temp_conversion v0.1.0 (/opt/rustwide/workdir/chpt3/temp_conversion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "bc37ce21354265ad810d912c2650061fbad2965f8a6613fd48fa04b4fa8d7813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc37ce21354265ad810d912c2650061fbad2965f8a6613fd48fa04b4fa8d7813", kill_on_drop: false }`
[INFO] [stdout] bc37ce21354265ad810d912c2650061fbad2965f8a6613fd48fa04b4fa8d7813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2389ba697fecfdd87620c56bc676acfb20e481ef37f1149a98f2092b703b5608
[INFO] running `Command { std: "docker" "start" "-a" "2389ba697fecfdd87620c56bc676acfb20e481ef37f1149a98f2092b703b5608", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> aoc2023/day2/src/lib.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]    --> aoc2023/day2/src/lib.rs:116:1
[INFO] [stderr]     |
[INFO] [stderr] 116 | mod test_cube_sampler {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> aoc2023/day2/src/lib.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         return panic!("Sample line {} did not start with Game N", input);
[INFO] [stderr]     |         ^^^^^^^---------------------------------------------------------
[INFO] [stderr]     |         |      |
[INFO] [stderr]     |         |      any code following this expression is unreachable
[INFO] [stderr]     |         unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `day2` (lib) generated 2 warnings (run `cargo fix --lib -p day2` to apply 1 suggestion)
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stderr]   --> aoc2023/day1/src/lib.rs:20:30
[INFO] [stderr]    |
[INFO] [stderr] 20 |         ret = ret.replace(key.clone(), val);
[INFO] [stderr]    |                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> aoc2023/day3/src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_test_schematic` is never used
[INFO] [stderr]    --> aoc2023/day3/src/lib.rs:161:8
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn get_test_schematic() -> EngineSchematic {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_alt_test_schematic` is never used
[INFO] [stderr]    --> aoc2023/day3/src/lib.rs:240:8
[INFO] [stderr]     |
[INFO] [stderr] 240 |     fn get_alt_test_schematic() -> EngineSchematic {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> chpt8/hashmap/src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `day1` (lib) generated 1 warning
[INFO] [stderr] warning: `day3` (lib) generated 3 warnings (run `cargo fix --lib -p day3` to apply 1 suggestion)
[INFO] [stderr] warning: `hashmap` (lib) generated 1 warning (run `cargo fix --lib -p hashmap` to apply 1 suggestion)
[INFO] [stderr] warning: `day2` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: field `format` is never read
[INFO] [stderr]    --> chpt5/structs/src/lib.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |         struct Book {
[INFO] [stderr]     |                ---- field in this struct
[INFO] [stderr] 110 |             isbn: i64,
[INFO] [stderr] 111 |             format: BookFormat,
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> chpt8/vec/src/lib.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut v: Vec<i32> = Vec::new();
[INFO] [stderr]   |         ----^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `structs` (lib test) generated 1 warning
[INFO] [stderr] warning: `vec` (lib test) generated 1 warning (run `cargo fix --lib -p vec --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `day1` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `day3` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/day1-5e9b7e3750f26dee)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_get_calibration_value::test_can_get_value_from_single_value_vec ... ok
[INFO] [stdout] test test_get_calibration_value::test_can_get_value_from_empty_vec ... ok
[INFO] [stdout] test test_numbers_from_string::test_can_get_number_from_string ... ok
[INFO] [stdout] test test_numbers_from_string::test_can_get_number_from_empty_string ... ok
[INFO] [stdout] test test_numbers_from_string::test_can_get_number_from_weird_edge_case_string ... ok
[INFO] [stdout] test test_get_calibration_value::test_can_get_value_from_n_value_vec ... ok
[INFO] [stdout] test test_prepass_substitute::test_can_handle_empty_string ... ok
[INFO] [stdout] test test_prepass_substitute::test_can_handle_simplest_case ... ok
[INFO] [stdout] test test_prepass_substitute::test_can_handle_trickier_case ... ok
[INFO] [stdout] test test_numbers_from_string::test_can_get_number_from_string_with_single_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day1-a58dc123c1330ffb)
[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/lib.rs (/opt/rustwide/target/debug/deps/day2-230c5824d0eb7352)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_cube_sampler::test_is_not_valid_sample_cos_greens ... ok
[INFO] [stdout] test test_cube_sampler::test_fewest_number_for_possible_game_input_4 ... ok
[INFO] [stdout] test test_cube_sampler::test_is_not_valid_sample_cos_blues ... ok
[INFO] [stdout] test test_cube_sampler::test_is_valid_game_on_valid_game_invalid_sample_input ... ok
[INFO] [stdout] test test_cube_sampler::test_can_sample_cube_draw ... ok
[INFO] [stdout] test test_cube_sampler::test_is_valid_sample ... ok
[INFO] [stdout] test test_cube_sampler::test_fewest_number_for_possible_game_input_5 ... ok
[INFO] [stdout] test test_cube_sampler::test_is_not_valid_sample_cos_reds ... ok
[INFO] [stdout] test test_cube_sampler::test_fewest_number_for_possible_game_input_3 ... ok
[INFO] [stdout] test test_cube_sampler::test_fewest_number_for_possible_game_input_1 ... ok
[INFO] [stdout] test test_cube_sampler::test_fewest_number_for_possible_game_input_2 ... ok
[INFO] [stdout] test test_cube_sampler::test_is_valid_game_on_valid_game_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day2-dd32fb9a0c0a062c)
[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/lib.rs (/opt/rustwide/target/debug/deps/day3-53d460b369032a9b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_can_create_schema::test_can_extract_number_from_location ... ok
[INFO] [stdout] test test_can_create_schema::test_get_part_numbers ... ok
[INFO] [stdout] test test_can_create_schema::test_is_symbol ... ok
[INFO] [stdout] test test_can_create_schema::test_sum_parts_on_alt_schematic ... ok
[INFO] [stdout] test test_can_create_schema::test_is_adjacent_to_symbol ... ok
[INFO] [stdout] test test_can_create_schema::test_sum_part_numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day3-54af80add2ad4e8d)
[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/lib.rs (/opt/rustwide/target/debug/deps/enums-a6312d69584a1191)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_enum_values ... ok
[INFO] [stdout] test test_option_enum ... ok
[INFO] [stdout] test test_typed_enum_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fibonacci-6f10fc2572bd3e44)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::test_non_recursive_fib::case_1 ... ok
[INFO] [stdout] test tests::test_non_recursive_fib::case_2 ... ok
[INFO] [stdout] test tests::test_non_recursive_fib::case_3 ... ok
[INFO] [stdout] test tests::test_non_recursive_fib::case_4 ... ok
[INFO] [stdout] test tests::test_non_recursive_fib::case_5 ... ok
[INFO] [stdout] test tests::test_non_recursive_fib::case_6 ... ok
[INFO] [stdout] test tests::test_non_recursive_fib::case_7 ... ok
[INFO] [stdout] test tests::test_non_recursive_fib::case_8 ... ok
[INFO] [stdout] test tests::test_recursive_fib::case_2 ... ok
[INFO] [stdout] test tests::test_recursive_fib::case_3 ... ok
[INFO] [stdout] test tests::test_recursive_fib::case_1 ... ok
[INFO] [stdout] test tests::test_recursive_fib::case_4 ... ok
[INFO] [stdout] test tests::test_recursive_fib::case_5 ... ok
[INFO] [stdout] test tests::test_recursive_fib::case_6 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hashmap-bb1e6d2f9b76f5b3)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_can_add_key_and_value_but_only_if_key_is_not_present ... ok
[INFO] [stdout] test test_get_from_hashmap ... ok
[INFO] [stdout] test test_create_hashmap ... ok
[INFO] [stdout] test test_can_update_a_value_based_on_old_value ... ok
[INFO] [stdout] test test_overwrite_value_in_hashmap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_world-b7e8c4ef4a977f81)
[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] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ownership-615f716af558d0b2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_move_and_copy_semantics ... ok
[INFO] [stdout] test tests::test_references_and_borrowing ... ok
[INFO] [stdout] test tests::test_strcat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/patterns-5fba83c21e0ddd11)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_matching_with_catchall ... ok
[INFO] [stdout] test test_matching_with_option_t ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slices-8c13a710d449723c)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_string_literals_as_slices ... ok
[INFO] [stdout] test tests::test_string_slices_as_parameters ... ok
[INFO] [stdout] test tests::test_index_of_first_word ... ok
[INFO] [stdout] test tests::test_other_slices ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/string-b39169f0637dcbff)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_append_character_to_a_string ... ok
[INFO] [stdout] test test_make_string_from_literal ... ok
[INFO] [stdout] test test_string_create ... ok
[INFO] [stdout] test test_updating_a_string ... ok
[INFO] [stdout] test test_str_concat_via_format ... ok
[INFO] [stdout] test test_str_concat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/structs-c42231ff0654437e)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_associated_function ... ok
[INFO] [stdout] test tests::test_can_add_methods_to_struct ... ok
[INFO] [stdout] test tests::test_can_add_useful_functionality_with_eq_trait ... ok
[INFO] [stdout] test tests::test_can_make_tuple_structs_without_named_fields ... ok
[INFO] [stdout] test tests::test_can_make_user_using_factory_function ... ok
[INFO] [stdout] test tests::test_create_instance_from_other_instance ... ok
[INFO] [stdout] test tests::test_field_init_short_hand ... ok
[INFO] [stdout] test tests::test_make_simple_mutable_user ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/temp_conversion-ea4aed0e80de9707)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::test_celsius_to_fahrenheit::case_2 ... ok
[INFO] [stdout] test tests::test_celsius_to_fahrenheit::case_4 ... ok
[INFO] [stdout] test tests::test_celsius_to_fahrenheit::case_3 ... ok
[INFO] [stdout] test tests::test_celsius_to_fahrenheit::case_1 ... ok
[INFO] [stdout] test tests::test_celsius_to_fahrenheit::case_5 ... ok
[INFO] [stdout] test tests::test_fahrenheit_to_celsius::case_1 ... ok
[INFO] [stdout] test tests::test_fahrenheit_to_celsius::case_2 ... ok
[INFO] [stdout] test tests::test_fahrenheit_to_celsius::case_3 ... ok
[INFO] [stdout] test tests::test_fahrenheit_to_celsius::case_4 ... ok
[INFO] [stdout] test tests::test_fahrenheit_to_celsius::case_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vec-2ef800d1352a9db3)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_create_empty_vec ... ok
[INFO] [stdout] test test_changing_vector_contents_during_iteration ... ok
[INFO] [stdout] test test_read_elements_from_vec ... ok
[INFO] [stdout] test test_vec_push_and_pop ... ok
[INFO] [stdout] test test_vector_iteration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests day1
[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 day2
[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 day3
[INFO] [stderr]    Doc-tests enums
[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 fibonacci
[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 hashmap
[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 ownership
[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 patterns
[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 slices
[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 string
[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 structs
[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 temp_conversion
[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 vec
[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" "2389ba697fecfdd87620c56bc676acfb20e481ef37f1149a98f2092b703b5608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2389ba697fecfdd87620c56bc676acfb20e481ef37f1149a98f2092b703b5608", kill_on_drop: false }`
[INFO] [stdout] 2389ba697fecfdd87620c56bc676acfb20e481ef37f1149a98f2092b703b5608
