[INFO] fetching crate minigrep_wang 0.1.0...
[INFO] testing minigrep_wang-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate minigrep_wang 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate minigrep_wang 0.1.0
[INFO] finished tweaking crates.io crate minigrep_wang 0.1.0
[INFO] tweaked toml for crates.io crate minigrep_wang 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate minigrep_wang 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate minigrep_wang 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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 305c189c964fd6d1c5e79f8af980534296730e3da8ed052d05794e6732cd7e6f
[INFO] running `Command { std: "docker" "start" "-a" "305c189c964fd6d1c5e79f8af980534296730e3da8ed052d05794e6732cd7e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "305c189c964fd6d1c5e79f8af980534296730e3da8ed052d05794e6732cd7e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305c189c964fd6d1c5e79f8af980534296730e3da8ed052d05794e6732cd7e6f", kill_on_drop: false }`
[INFO] [stdout] 305c189c964fd6d1c5e79f8af980534296730e3da8ed052d05794e6732cd7e6f
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d11e25a918f74e3feb03ee6ca6ee843c3240e0c782723711d34c9260807a831
[INFO] running `Command { std: "docker" "start" "-a" "0d11e25a918f74e3feb03ee6ca6ee843c3240e0c782723711d34c9260807a831", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_wang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `case_sensitive` is never read
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     case_sensitive: bool
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "0d11e25a918f74e3feb03ee6ca6ee843c3240e0c782723711d34c9260807a831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d11e25a918f74e3feb03ee6ca6ee843c3240e0c782723711d34c9260807a831", kill_on_drop: false }`
[INFO] [stdout] 0d11e25a918f74e3feb03ee6ca6ee843c3240e0c782723711d34c9260807a831
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3644a77069b04ca10ccf95674d75d90349f351dd785de7875d8da3a5c449154
[INFO] running `Command { std: "docker" "start" "-a" "a3644a77069b04ca10ccf95674d75d90349f351dd785de7875d8da3a5c449154", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_wang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `case_sensitive` is never read
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     case_sensitive: bool
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `case_sensitive` is never read
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     case_sensitive: bool
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "a3644a77069b04ca10ccf95674d75d90349f351dd785de7875d8da3a5c449154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3644a77069b04ca10ccf95674d75d90349f351dd785de7875d8da3a5c449154", kill_on_drop: false }`
[INFO] [stdout] a3644a77069b04ca10ccf95674d75d90349f351dd785de7875d8da3a5c449154
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f71ea28a9f0c6b6755c8b5ec24397d0033938cd8b609fecd920cd89dbfd6304b
[INFO] running `Command { std: "docker" "start" "-a" "f71ea28a9f0c6b6755c8b5ec24397d0033938cd8b609fecd920cd89dbfd6304b", kill_on_drop: false }`
[INFO] [stderr] warning: field `case_sensitive` is never read
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 1 test
[INFO] [stderr] 5 | pub struct Config {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 8 |     case_sensitive: bool
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `minigrep_wang` (lib) generated 1 warning
[INFO] [stdout] test tests::one_result ... ok
[INFO] [stderr] warning: `minigrep_wang` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minigrep_wang-f32be41012e550d4)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep_wang-2343fabe24153307)
[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 minigrep_wang
[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" "f71ea28a9f0c6b6755c8b5ec24397d0033938cd8b609fecd920cd89dbfd6304b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71ea28a9f0c6b6755c8b5ec24397d0033938cd8b609fecd920cd89dbfd6304b", kill_on_drop: false }`
[INFO] [stdout] f71ea28a9f0c6b6755c8b5ec24397d0033938cd8b609fecd920cd89dbfd6304b