[INFO] fetching crate minigrep-megastary 0.1.0...
[INFO] testing minigrep-megastary-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate minigrep-megastary 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate minigrep-megastary 0.1.0
[INFO] finished tweaking crates.io crate minigrep-megastary 0.1.0
[INFO] tweaked toml for crates.io crate minigrep-megastary 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate minigrep-megastary 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate minigrep-megastary 0.1.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b76efce2d054a66bbd47b123d45a276a6aae8ba02d81bd9e7f04dc83c33d0214
[INFO] running `Command { std: "docker" "start" "-a" "b76efce2d054a66bbd47b123d45a276a6aae8ba02d81bd9e7f04dc83c33d0214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b76efce2d054a66bbd47b123d45a276a6aae8ba02d81bd9e7f04dc83c33d0214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b76efce2d054a66bbd47b123d45a276a6aae8ba02d81bd9e7f04dc83c33d0214", kill_on_drop: false }`
[INFO] [stdout] b76efce2d054a66bbd47b123d45a276a6aae8ba02d81bd9e7f04dc83c33d0214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 865af4a6552dc39cabb0fcbd304843f217767e7561db0f9b7ee720ae9568e29d
[INFO] running `Command { std: "docker" "start" "-a" "865af4a6552dc39cabb0fcbd304843f217767e7561db0f9b7ee720ae9568e29d", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep-megastary v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     if let Err(e) = minigrep_megastary::run(config) {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]  --> src/main.rs:6:61
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let config = Config::build(env::args()).unwrap_or_else(|err| {
[INFO] [stdout]   |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "865af4a6552dc39cabb0fcbd304843f217767e7561db0f9b7ee720ae9568e29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "865af4a6552dc39cabb0fcbd304843f217767e7561db0f9b7ee720ae9568e29d", kill_on_drop: false }`
[INFO] [stdout] 865af4a6552dc39cabb0fcbd304843f217767e7561db0f9b7ee720ae9568e29d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a9271f2c74ec3e45c4fd2e20f5ad89a2e4759fef30a32bfd88b37afe1bdca232
[INFO] running `Command { std: "docker" "start" "-a" "a9271f2c74ec3e45c4fd2e20f5ad89a2e4759fef30a32bfd88b37afe1bdca232", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep-megastary v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     if let Err(e) = minigrep_megastary::run(config) {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]  --> src/main.rs:6:61
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let config = Config::build(env::args()).unwrap_or_else(|err| {
[INFO] [stdout]   |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "a9271f2c74ec3e45c4fd2e20f5ad89a2e4759fef30a32bfd88b37afe1bdca232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9271f2c74ec3e45c4fd2e20f5ad89a2e4759fef30a32bfd88b37afe1bdca232", kill_on_drop: false }`
[INFO] [stdout] a9271f2c74ec3e45c4fd2e20f5ad89a2e4759fef30a32bfd88b37afe1bdca232
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] fb250fac52bc8717eaa7bdb2f8eae13ddf9e4e24a0f0f6533d1add781716dcf6
[INFO] running `Command { std: "docker" "start" "-a" "fb250fac52bc8717eaa7bdb2f8eae13ddf9e4e24a0f0f6533d1add781716dcf6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |     if let Err(e) = minigrep_megastary::run(config) {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]  --> src/main.rs:6:61
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let config = Config::build(env::args()).unwrap_or_else(|err| {
[INFO] [stderr]   |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: `minigrep-megastary` (bin "minigrep-megastary" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/minigrep_megastary-5040d8dc8831d7a9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... 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/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/minigrep_megastary-b9d812935768665d)
[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" "fb250fac52bc8717eaa7bdb2f8eae13ddf9e4e24a0f0f6533d1add781716dcf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb250fac52bc8717eaa7bdb2f8eae13ddf9e4e24a0f0f6533d1add781716dcf6", kill_on_drop: false }`
[INFO] [stdout] fb250fac52bc8717eaa7bdb2f8eae13ddf9e4e24a0f0f6533d1add781716dcf6