[INFO] fetching crate gvko-minigrep 0.1.1...
[INFO] testing gvko-minigrep-0.1.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate gvko-minigrep 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate gvko-minigrep 0.1.1
[INFO] finished tweaking crates.io crate gvko-minigrep 0.1.1
[INFO] tweaked toml for crates.io crate gvko-minigrep 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gvko-minigrep 0.1.1 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 gvko-minigrep 0.1.1 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ea73ba98e02d83bfbdbb08fea3f8670d912acab382c41a2b4fc7ae6bab82328c
[INFO] running `Command { std: "docker" "start" "-a" "ea73ba98e02d83bfbdbb08fea3f8670d912acab382c41a2b4fc7ae6bab82328c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea73ba98e02d83bfbdbb08fea3f8670d912acab382c41a2b4fc7ae6bab82328c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea73ba98e02d83bfbdbb08fea3f8670d912acab382c41a2b4fc7ae6bab82328c", kill_on_drop: false }`
[INFO] [stdout] ea73ba98e02d83bfbdbb08fea3f8670d912acab382c41a2b4fc7ae6bab82328c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6d1f51fb8e61463258673e4e70f507048c86146eafb6bf43ab04400d41f9ba9d
[INFO] running `Command { std: "docker" "start" "-a" "6d1f51fb8e61463258673e4e70f507048c86146eafb6bf43ab04400d41f9ba9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gvko-minigrep v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `results` is never read
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut results = Vec::new();
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "6d1f51fb8e61463258673e4e70f507048c86146eafb6bf43ab04400d41f9ba9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1f51fb8e61463258673e4e70f507048c86146eafb6bf43ab04400d41f9ba9d", kill_on_drop: false }`
[INFO] [stdout] 6d1f51fb8e61463258673e4e70f507048c86146eafb6bf43ab04400d41f9ba9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 177116e077c14a39c72d4704c6a8664fb7a9c972e8326c06dd62b779d0a60f34
[INFO] running `Command { std: "docker" "start" "-a" "177116e077c14a39c72d4704c6a8664fb7a9c972e8326c06dd62b779d0a60f34", kill_on_drop: false }`
[INFO] [stderr]    Compiling gvko-minigrep v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `results` is never read
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut results = Vec::new();
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `results` is never read
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut results = Vec::new();
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "177116e077c14a39c72d4704c6a8664fb7a9c972e8326c06dd62b779d0a60f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177116e077c14a39c72d4704c6a8664fb7a9c972e8326c06dd62b779d0a60f34", kill_on_drop: false }`
[INFO] [stdout] 177116e077c14a39c72d4704c6a8664fb7a9c972e8326c06dd62b779d0a60f34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b8e39842f4f825133e3daaf8ad3a38e7ca4dc88ea6293a1fa831a1c0f2200cdc
[INFO] running `Command { std: "docker" "start" "-a" "b8e39842f4f825133e3daaf8ad3a38e7ca4dc88ea6293a1fa831a1c0f2200cdc", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `results` is never read
[INFO] [stderr]   --> src/lib.rs:31:13
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 31 |     let mut results = Vec::new();
[INFO] [stdout] running 2 tests
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gvko-minigrep` (lib) generated 1 warning
[INFO] [stderr] warning: `gvko-minigrep` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/gvko_minigrep-227967a609c8a86b)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/gvko_minigrep-29e5100d9581e70f)
[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; 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] running `Command { std: "docker" "inspect" "b8e39842f4f825133e3daaf8ad3a38e7ca4dc88ea6293a1fa831a1c0f2200cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e39842f4f825133e3daaf8ad3a38e7ca4dc88ea6293a1fa831a1c0f2200cdc", kill_on_drop: false }`
[INFO] [stdout] b8e39842f4f825133e3daaf8ad3a38e7ca4dc88ea6293a1fa831a1c0f2200cdc