[INFO] fetching crate cargo-buildw 0.2.0...
[INFO] testing cargo-buildw-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate cargo-buildw 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate cargo-buildw 0.2.0
[INFO] finished tweaking crates.io crate cargo-buildw 0.2.0
[INFO] tweaked toml for crates.io crate cargo-buildw 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-buildw 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-buildw 0.2.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f4e31570a80f8d795ac1e2e4c1571f074a9440e79f9d1190d2cc2fe4b966563
[INFO] running `Command { std: "docker" "start" "-a" "8f4e31570a80f8d795ac1e2e4c1571f074a9440e79f9d1190d2cc2fe4b966563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f4e31570a80f8d795ac1e2e4c1571f074a9440e79f9d1190d2cc2fe4b966563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4e31570a80f8d795ac1e2e4c1571f074a9440e79f9d1190d2cc2fe4b966563", kill_on_drop: false }`
[INFO] [stdout] 8f4e31570a80f8d795ac1e2e4c1571f074a9440e79f9d1190d2cc2fe4b966563
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30f6b846176782853c60fc6309d2af4e8c0de3e8273529f6acef504ed31af64e
[INFO] running `Command { std: "docker" "start" "-a" "30f6b846176782853c60fc6309d2af4e8c0de3e8273529f6acef504ed31af64e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.226
[INFO] [stderr]    Compiling serde v1.0.226
[INFO] [stderr]    Compiling cargo-buildw v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> src/lib.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 117 |         if let Some(code) = command
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.20s
[INFO] running `Command { std: "docker" "inspect" "30f6b846176782853c60fc6309d2af4e8c0de3e8273529f6acef504ed31af64e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f6b846176782853c60fc6309d2af4e8c0de3e8273529f6acef504ed31af64e", kill_on_drop: false }`
[INFO] [stdout] 30f6b846176782853c60fc6309d2af4e8c0de3e8273529f6acef504ed31af64e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3b549e010ef22e89cdfd221f05ebeecf8351c7e15946d8c0116277a97e2c08b
[INFO] running `Command { std: "docker" "start" "-a" "f3b549e010ef22e89cdfd221f05ebeecf8351c7e15946d8c0116277a97e2c08b", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> src/lib.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 117 |         if let Some(code) = command
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cargo-buildw v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> src/lib.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 117 |         if let Some(code) = command
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "f3b549e010ef22e89cdfd221f05ebeecf8351c7e15946d8c0116277a97e2c08b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b549e010ef22e89cdfd221f05ebeecf8351c7e15946d8c0116277a97e2c08b", kill_on_drop: false }`
[INFO] [stdout] f3b549e010ef22e89cdfd221f05ebeecf8351c7e15946d8c0116277a97e2c08b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 819356fcfdcc3c73120a2c981f23ce37be45fefa85d3f8583d3a00b9f3854eb9
[INFO] running `Command { std: "docker" "start" "-a" "819356fcfdcc3c73120a2c981f23ce37be45fefa85d3f8583d3a00b9f3854eb9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]    --> src/lib.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |         if let Some(code) = command
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-buildw` (lib) generated 1 warning (run `cargo fix --lib -p cargo-buildw` to apply 1 suggestion)
[INFO] [stderr] warning: `cargo-buildw` (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/debug/deps/cargo_buildw-55719c5d2c7099b8)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/cargo-buildw.rs (/opt/rustwide/target/debug/deps/cargo_buildw-19f8434a7965e0ab)
[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] [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]      Running unittests src/bin/cargo-runw.rs (/opt/rustwide/target/debug/deps/cargo_runw-0b9d735bb0045c2f)
[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 cargo_buildw
[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" "819356fcfdcc3c73120a2c981f23ce37be45fefa85d3f8583d3a00b9f3854eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819356fcfdcc3c73120a2c981f23ce37be45fefa85d3f8583d3a00b9f3854eb9", kill_on_drop: false }`
[INFO] [stdout] 819356fcfdcc3c73120a2c981f23ce37be45fefa85d3f8583d3a00b9f3854eb9