[INFO] cloning repository https://github.com/DigitalDevBlog/assert_cmd_tutotial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DigitalDevBlog/assert_cmd_tutotial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDigitalDevBlog%2Fassert_cmd_tutotial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDigitalDevBlog%2Fassert_cmd_tutotial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e72fb2353d7f9756a9aeab10962952b2fd8a33e
[INFO] testing DigitalDevBlog/assert_cmd_tutotial against 1.99.0-beta.8 for beta-1.100-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDigitalDevBlog%2Fassert_cmd_tutotial" "/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/DigitalDevBlog/assert_cmd_tutotial
[INFO] finished tweaking git repo https://github.com/DigitalDevBlog/assert_cmd_tutotial
[INFO] tweaked toml for git repo https://github.com/DigitalDevBlog/assert_cmd_tutotial written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DigitalDevBlog/assert_cmd_tutotial on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DigitalDevBlog/assert_cmd_tutotial 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: env
[INFO] [stderr] help: env is a valid .cargo/config.toml key
[INFO] [stderr] warning: `learn_assert_cmd` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v3.1.3
[INFO] [stderr]   Downloaded float-cmp v0.10.0
[INFO] [stderr]   Downloaded anstream v0.6.18
[INFO] [stderr]   Downloaded anstyle v1.0.10
[INFO] [stderr]   Downloaded env_logger v0.11.6
[INFO] [stderr]   Downloaded quote v1.0.38
[INFO] [stderr]   Downloaded colorchoice v1.0.3
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.7
[INFO] [stderr]   Downloaded serde_derive v1.0.217
[INFO] [stderr]   Downloaded anstyle-query v1.1.2
[INFO] [stderr]   Downloaded assert_cmd v2.0.17
[INFO] [stderr]   Downloaded anstyle-parse v0.2.6
[INFO] [stderr]   Downloaded unicode-ident v1.0.14
[INFO] [stderr]   Downloaded proc-macro2 v1.0.93
[INFO] [stderr]   Downloaded serde v1.0.217
[INFO] [stderr]   Downloaded syn v2.0.96
[INFO] [stderr]   Downloaded bstr v1.11.3
[INFO] [stderr]   Downloaded libc v0.2.169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 458080de953ced0a9060b55b2473a313f799e021a5d05a9f510d743df7520f4c
[INFO] running `Command { std: "docker" "start" "458080de953ced0a9060b55b2473a313f799e021a5d05a9f510d743df7520f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "458080de953ced0a9060b55b2473a313f799e021a5d05a9f510d743df7520f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "458080de953ced0a9060b55b2473a313f799e021a5d05a9f510d743df7520f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "458080de953ced0a9060b55b2473a313f799e021a5d05a9f510d743df7520f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "458080de953ced0a9060b55b2473a313f799e021a5d05a9f510d743df7520f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: env
[INFO] [stderr] help: env is a valid .cargo/config.toml key
[INFO] [stderr] warning: `learn_assert_cmd` (manifest) generated 1 warning
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling float-cmp v0.10.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling env_logger v0.11.6
[INFO] [stderr]    Compiling learn_assert_cmd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Env` and `Logger`
[INFO] [stdout]  --> src/main.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use env_logger::{Builder, Env, Logger};
[INFO] [stdout]   |                           ^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `all` is never used
[INFO] [stdout]   --> src/appenv.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ValidEnvKey {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn all() -> &'static [ValidEnvKey] {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ValidEnvRule` is never constructed
[INFO] [stdout]   --> src/appenv.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct ValidEnvRule<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ValidEnvKeyValue` is never constructed
[INFO] [stdout]   --> src/appenv.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct ValidEnvKeyValue<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_env_variable` is never used
[INFO] [stdout]   --> src/appenv.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn is_valid_env_variable(key: &str) -> Result<(), String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.83s
[INFO] running `Command { std: "docker" "inspect" "458080de953ced0a9060b55b2473a313f799e021a5d05a9f510d743df7520f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "458080de953ced0a9060b55b2473a313f799e021a5d05a9f510d743df7520f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: env
[INFO] [stderr] help: env is a valid .cargo/config.toml key
[INFO] [stderr] warning: `learn_assert_cmd` (manifest) generated 1 warning
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling bstr v1.11.3
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling env_logger v0.11.6
[INFO] [stderr]    Compiling learn_assert_cmd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Env` and `Logger`
[INFO] [stdout]  --> src/main.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use env_logger::{Builder, Env, Logger};
[INFO] [stdout]   |                           ^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `all` is never used
[INFO] [stdout]   --> src/appenv.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ValidEnvKey {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn all() -> &'static [ValidEnvKey] {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ValidEnvRule` is never constructed
[INFO] [stdout]   --> src/appenv.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct ValidEnvRule<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ValidEnvKeyValue` is never constructed
[INFO] [stdout]   --> src/appenv.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct ValidEnvKeyValue<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.45s
[INFO] running `Command { std: "docker" "inspect" "458080de953ced0a9060b55b2473a313f799e021a5d05a9f510d743df7520f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "458080de953ced0a9060b55b2473a313f799e021a5d05a9f510d743df7520f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: env
[INFO] [stderr] help: env is a valid .cargo/config.toml key
[INFO] [stderr] warning: `learn_assert_cmd` (manifest) generated 1 warning
[INFO] [stderr] warning: unused imports: `Env` and `Logger`
[INFO] [stderr]  --> src/main.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 | use env_logger::{Builder, Env, Logger};
[INFO] [stderr]   |                           ^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `all` is never used
[INFO] [stderr]   --> src/appenv.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl ValidEnvKey {
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub fn all() -> &'static [ValidEnvKey] {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ValidEnvRule` is never constructed
[INFO] [stderr]   --> src/appenv.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub struct ValidEnvRule<'a> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ValidEnvKeyValue` is never constructed
[INFO] [stderr]   --> src/appenv.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | struct ValidEnvKeyValue<'a> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `learn_assert_cmd` (bin "learn_assert_cmd" test) generated 4 warnings (run `cargo fix --bin "learn_assert_cmd" -p learn_assert_cmd --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_assert_cmd-377582ff357c4b0d)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test appenv::tests::test_env_variable_value_valid_key_and_value ... ok
[INFO] [stdout] test appenv::tests::test_env_valid_variable ... ok
[INFO] [stdout] test appenv::tests::test_env_variable_value_empty_value ... ok
[INFO] [stdout] test appenv::tests::test_env_variable_value_invalid_value_for_key ... ok
[INFO] [stdout] test tests::test_with_bad_flags ... ok
[INFO] [stdout] test appenv::tests::test_env_variable_value_empty_key ... ok
[INFO] [stdout] test tests::test_basic_failure ... ok
[INFO] [stdout] test tests::test_environment_incorrect ... ok
[INFO] [stdout] test tests::test_input_output ... ok
[INFO] [stdout] test tests::test_with_good_flags ... ok
[INFO] [stdout] test tests::test_environment_correct ... ok
[INFO] [stdout] test tests::test_basic_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "458080de953ced0a9060b55b2473a313f799e021a5d05a9f510d743df7520f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458080de953ced0a9060b55b2473a313f799e021a5d05a9f510d743df7520f4c", kill_on_drop: false }`
[INFO] [stdout] 458080de953ced0a9060b55b2473a313f799e021a5d05a9f510d743df7520f4c