[INFO] fetching crate c2-sys 0.2.0...
[INFO] testing c2-sys-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate c2-sys 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate c2-sys 0.2.0
[INFO] finished tweaking crates.io crate c2-sys 0.2.0
[INFO] tweaked toml for crates.io crate c2-sys 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate c2-sys 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 727a623d80e00840941abb20bcbbb3bc19352720db2d5cb628b1c2b06104cc38
[INFO] running `Command { std: "docker" "start" "-a" "727a623d80e00840941abb20bcbbb3bc19352720db2d5cb628b1c2b06104cc38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "727a623d80e00840941abb20bcbbb3bc19352720db2d5cb628b1c2b06104cc38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727a623d80e00840941abb20bcbbb3bc19352720db2d5cb628b1c2b06104cc38", kill_on_drop: false }`
[INFO] [stdout] 727a623d80e00840941abb20bcbbb3bc19352720db2d5cb628b1c2b06104cc38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0a0fb5824b36199e11e7879a795536e0bd326f384d50cb72a40ffd23344eaba1
[INFO] running `Command { std: "docker" "start" "-a" "0a0fb5824b36199e11e7879a795536e0bd326f384d50cb72a40ffd23344eaba1", kill_on_drop: false }`
[INFO] [stderr]    Compiling c2-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `d` is never read
[INFO] [stdout]     --> src/lib.rs:1316:5
[INFO] [stdout]      |
[INFO] [stdout] 1312 | struct c2Simplex {
[INFO] [stdout]      |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1316 |     d: c2sv,
[INFO] [stdout]      |     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `c2Simplex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "0a0fb5824b36199e11e7879a795536e0bd326f384d50cb72a40ffd23344eaba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0fb5824b36199e11e7879a795536e0bd326f384d50cb72a40ffd23344eaba1", kill_on_drop: false }`
[INFO] [stdout] 0a0fb5824b36199e11e7879a795536e0bd326f384d50cb72a40ffd23344eaba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d72e391e4b596fc700ec6f22742f03376857c2b54ad62daaf0911faa9fe088b3
[INFO] running `Command { std: "docker" "start" "-a" "d72e391e4b596fc700ec6f22742f03376857c2b54ad62daaf0911faa9fe088b3", kill_on_drop: false }`
[INFO] [stdout] warning: field `d` is never read
[INFO] [stdout]     --> src/lib.rs:1316:5
[INFO] [stdout]      |
[INFO] [stdout] 1312 | struct c2Simplex {
[INFO] [stdout]      |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1316 |     d: c2sv,
[INFO] [stdout]      |     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `c2Simplex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling c2-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `d` is never read
[INFO] [stdout]     --> src/lib.rs:1316:5
[INFO] [stdout]      |
[INFO] [stdout] 1312 | struct c2Simplex {
[INFO] [stdout]      |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1316 |     d: c2sv,
[INFO] [stdout]      |     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `c2Simplex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "d72e391e4b596fc700ec6f22742f03376857c2b54ad62daaf0911faa9fe088b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72e391e4b596fc700ec6f22742f03376857c2b54ad62daaf0911faa9fe088b3", kill_on_drop: false }`
[INFO] [stdout] d72e391e4b596fc700ec6f22742f03376857c2b54ad62daaf0911faa9fe088b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6581196ddd381c68fcaf9bb3c5c523bc5fc964810a937138418b0d8506fc7e84
[INFO] running `Command { std: "docker" "start" "-a" "6581196ddd381c68fcaf9bb3c5c523bc5fc964810a937138418b0d8506fc7e84", kill_on_drop: false }`
[INFO] [stderr] warning: field `d` is never read
[INFO] [stderr]     --> src/lib.rs:1316:5
[INFO] [stderr]      |
[INFO] [stderr] 1312 | struct c2Simplex {
[INFO] [stderr]      |        --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 1316 |     d: c2sv,
[INFO] [stderr]      |     ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `c2Simplex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `c2-sys` (lib) generated 1 warning
[INFO] [stderr] warning: `c2-sys` (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/c2_sys-1734846b3f91e67d)
[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 c2_sys
[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" "6581196ddd381c68fcaf9bb3c5c523bc5fc964810a937138418b0d8506fc7e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6581196ddd381c68fcaf9bb3c5c523bc5fc964810a937138418b0d8506fc7e84", kill_on_drop: false }`
[INFO] [stdout] 6581196ddd381c68fcaf9bb3c5c523bc5fc964810a937138418b0d8506fc7e84