[INFO] cloning repository https://github.com/tokarzkj/rust-minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tokarzkj/rust-minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftokarzkj%2Frust-minigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftokarzkj%2Frust-minigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fc02f99409471250747aea55eae7d7b860bdef9
[INFO] testing tokarzkj/rust-minigrep against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftokarzkj%2Frust-minigrep" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tokarzkj/rust-minigrep on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tokarzkj/rust-minigrep
[INFO] finished tweaking git repo https://github.com/tokarzkj/rust-minigrep
[INFO] tweaked toml for git repo https://github.com/tokarzkj/rust-minigrep written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tokarzkj/rust-minigrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fb7a76bec975a5b9128738ff2bd8931c06b2876b5f311b7659516f3469be9987
[INFO] running `Command { std: "docker" "start" "-a" "fb7a76bec975a5b9128738ff2bd8931c06b2876b5f311b7659516f3469be9987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb7a76bec975a5b9128738ff2bd8931c06b2876b5f311b7659516f3469be9987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7a76bec975a5b9128738ff2bd8931c06b2876b5f311b7659516f3469be9987", kill_on_drop: false }`
[INFO] [stdout] fb7a76bec975a5b9128738ff2bd8931c06b2876b5f311b7659516f3469be9987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4236aa4442d850ce5bf5e39907624cde42e00e896cf4c3148a2654a7aef4cc4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d4236aa4442d850ce5bf5e39907624cde42e00e896cf4c3148a2654a7aef4cc4", 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] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]  --> src/main.rs:9:53
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let config = Config::new(&args).unwrap_or_else(|err| {
[INFO] [stdout]   |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     if let Err(e) = minigrep::run(config) {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.37s
[INFO] running `Command { std: "docker" "inspect" "d4236aa4442d850ce5bf5e39907624cde42e00e896cf4c3148a2654a7aef4cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4236aa4442d850ce5bf5e39907624cde42e00e896cf4c3148a2654a7aef4cc4", kill_on_drop: false }`
[INFO] [stdout] d4236aa4442d850ce5bf5e39907624cde42e00e896cf4c3148a2654a7aef4cc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2eedd6604d5c59a6c6e979d5ed6a65578b775e9b865d3f2fc027bf095a3e225
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d2eedd6604d5c59a6c6e979d5ed6a65578b775e9b865d3f2fc027bf095a3e225", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]  --> src/main.rs:9:53
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let config = Config::new(&args).unwrap_or_else(|err| {
[INFO] [stdout]   |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     if let Err(e) = minigrep::run(config) {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "d2eedd6604d5c59a6c6e979d5ed6a65578b775e9b865d3f2fc027bf095a3e225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2eedd6604d5c59a6c6e979d5ed6a65578b775e9b865d3f2fc027bf095a3e225", kill_on_drop: false }`
[INFO] [stdout] d2eedd6604d5c59a6c6e979d5ed6a65578b775e9b865d3f2fc027bf095a3e225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee2db81a38a1ff72bf169657b59497112df4b8c9146c8885839dbd31b3a0c405
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ee2db81a38a1ff72bf169657b59497112df4b8c9146c8885839dbd31b3a0c405", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]  --> src/main.rs:9:53
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let config = Config::new(&args).unwrap_or_else(|err| {
[INFO] [stderr]   |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 |     if let Err(e) = minigrep::run(config) {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minigrep-9e7e78189e037678
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::one_result ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minigrep-956383c19c2959e1
[INFO] [stderr]    Doc-tests minigrep
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ee2db81a38a1ff72bf169657b59497112df4b8c9146c8885839dbd31b3a0c405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee2db81a38a1ff72bf169657b59497112df4b8c9146c8885839dbd31b3a0c405", kill_on_drop: false }`
[INFO] [stdout] ee2db81a38a1ff72bf169657b59497112df4b8c9146c8885839dbd31b3a0c405