[INFO] fetching crate xingke_minigrep 0.1.0...
[INFO] testing xingke_minigrep-0.1.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate xingke_minigrep 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate xingke_minigrep 0.1.0
[INFO] finished tweaking crates.io crate xingke_minigrep 0.1.0
[INFO] tweaked toml for crates.io crate xingke_minigrep 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xingke_minigrep 0.1.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xingke_minigrep 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00eac33f56ceefb2ba725e26795f1c65522ab52b02dcecceeed4a3d1a96da4c0
[INFO] running `Command { std: "docker" "start" "-a" "00eac33f56ceefb2ba725e26795f1c65522ab52b02dcecceeed4a3d1a96da4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00eac33f56ceefb2ba725e26795f1c65522ab52b02dcecceeed4a3d1a96da4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00eac33f56ceefb2ba725e26795f1c65522ab52b02dcecceeed4a3d1a96da4c0", kill_on_drop: false }`
[INFO] [stdout] 00eac33f56ceefb2ba725e26795f1c65522ab52b02dcecceeed4a3d1a96da4c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 912dac10b42a8ca9f6f5d9a07e843e5079f4bf88ed2a4f247d69cd52edb1e3f8
[INFO] running `Command { std: "docker" "start" "-a" "912dac10b42a8ca9f6f5d9a07e843e5079f4bf88ed2a4f247d69cd52edb1e3f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling xingke_minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]  --> src/main.rs:7:59
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let config = Config::new(env::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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let args: Vec<String> = env::args().collect();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[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) = xingke_minigrep::run(config) {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "912dac10b42a8ca9f6f5d9a07e843e5079f4bf88ed2a4f247d69cd52edb1e3f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912dac10b42a8ca9f6f5d9a07e843e5079f4bf88ed2a4f247d69cd52edb1e3f8", kill_on_drop: false }`
[INFO] [stdout] 912dac10b42a8ca9f6f5d9a07e843e5079f4bf88ed2a4f247d69cd52edb1e3f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e511de6da8883ef59bd4e0f09a110a534ba56aafcfa3b3aa71a191fcb1b756bd
[INFO] running `Command { std: "docker" "start" "-a" "e511de6da8883ef59bd4e0f09a110a534ba56aafcfa3b3aa71a191fcb1b756bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling xingke_minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]  --> src/main.rs:7:59
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let config = Config::new(env::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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let args: Vec<String> = env::args().collect();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[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) = xingke_minigrep::run(config) {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "e511de6da8883ef59bd4e0f09a110a534ba56aafcfa3b3aa71a191fcb1b756bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e511de6da8883ef59bd4e0f09a110a534ba56aafcfa3b3aa71a191fcb1b756bd", kill_on_drop: false }`
[INFO] [stdout] e511de6da8883ef59bd4e0f09a110a534ba56aafcfa3b3aa71a191fcb1b756bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7a9655611e2568a1e1d85acaa28389693a611034d3ea3b40271ea7bffd069b9
[INFO] running `Command { std: "docker" "start" "-a" "c7a9655611e2568a1e1d85acaa28389693a611034d3ea3b40271ea7bffd069b9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]  --> src/main.rs:7:59
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let config = Config::new(env::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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let args: Vec<String> = env::args().collect();
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 |     if let Err(e) = xingke_minigrep::run(config) {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: `xingke_minigrep` (bin "xingke_minigrep" test) generated 3 warnings (run `cargo fix --bin "xingke_minigrep" -p xingke_minigrep --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xingke_minigrep-accf67669c0a32be)
[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/debug/deps/xingke_minigrep-b9acf28da782bc86)
[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] [stderr]    Doc-tests xingke_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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7a9655611e2568a1e1d85acaa28389693a611034d3ea3b40271ea7bffd069b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a9655611e2568a1e1d85acaa28389693a611034d3ea3b40271ea7bffd069b9", kill_on_drop: false }`
[INFO] [stdout] c7a9655611e2568a1e1d85acaa28389693a611034d3ea3b40271ea7bffd069b9
