[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] checking DigitalDevBlog/assert_cmd_tutotial against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDigitalDevBlog%2Fassert_cmd_tutotial" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DigitalDevBlog/assert_cmd_tutotial on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: env
[INFO] [stderr] help: env is a valid .cargo/config.toml key
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7326f247c247c65aa4bb5309e5f5c29dca970822f26633927a1806bb92e34176
[INFO] running `Command { std: "docker" "start" "-a" "7326f247c247c65aa4bb5309e5f5c29dca970822f26633927a1806bb92e34176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7326f247c247c65aa4bb5309e5f5c29dca970822f26633927a1806bb92e34176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7326f247c247c65aa4bb5309e5f5c29dca970822f26633927a1806bb92e34176", kill_on_drop: false }`
[INFO] [stdout] 7326f247c247c65aa4bb5309e5f5c29dca970822f26633927a1806bb92e34176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b23711f8a56f69eda1c9c73bdab6cf09603d566dbfd609009edcea95081ec73
[INFO] running `Command { std: "docker" "start" "-a" "7b23711f8a56f69eda1c9c73bdab6cf09603d566dbfd609009edcea95081ec73", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: env
[INFO] [stderr] help: env is a valid .cargo/config.toml key
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking float-cmp v0.10.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking bstr v1.11.3
[INFO] [stderr]     Checking predicates v3.1.3
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking env_logger v0.11.6
[INFO] [stderr]     Checking 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] [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 `dev` profile [unoptimized + debuginfo] target(s) in 12.02s
[INFO] running `Command { std: "docker" "inspect" "7b23711f8a56f69eda1c9c73bdab6cf09603d566dbfd609009edcea95081ec73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b23711f8a56f69eda1c9c73bdab6cf09603d566dbfd609009edcea95081ec73", kill_on_drop: false }`
[INFO] [stdout] 7b23711f8a56f69eda1c9c73bdab6cf09603d566dbfd609009edcea95081ec73
