[INFO] fetching crate cargo-c 0.9.3+cargo-0.56...
[INFO] checking cargo-c-0.9.3+cargo-0.56 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate cargo-c 0.9.3+cargo-0.56 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate cargo-c 0.9.3+cargo-0.56 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-c 0.9.3+cargo-0.56
[INFO] finished tweaking crates.io crate cargo-c 0.9.3+cargo-0.56
[INFO] tweaked toml for crates.io crate cargo-c 0.9.3+cargo-0.56 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate crates.io crate cargo-c 0.9.3+cargo-0.56 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e50d88561ea8d1a5193157d06932d2060b04ee085dc0db177f4231524a5d588
[INFO] running `Command { std: "docker" "start" "-a" "4e50d88561ea8d1a5193157d06932d2060b04ee085dc0db177f4231524a5d588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e50d88561ea8d1a5193157d06932d2060b04ee085dc0db177f4231524a5d588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e50d88561ea8d1a5193157d06932d2060b04ee085dc0db177f4231524a5d588", kill_on_drop: false }`
[INFO] [stdout] 4e50d88561ea8d1a5193157d06932d2060b04ee085dc0db177f4231524a5d588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1794d950ca434c7be0e723843b7252638206f17bb3a8f7bb7288d63583ad7bf
[INFO] running `Command { std: "docker" "start" "-a" "f1794d950ca434c7be0e723843b7252638206f17bb3a8f7bb7288d63583ad7bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
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[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling anyhow v1.0.44
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[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking openssl-probe v0.1.4
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[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]    Compiling cbindgen v0.20.0
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[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
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[INFO] [stderr]    Compiling quote v1.0.9
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]     Checking foreign-types v0.3.2
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[INFO] [stderr]    Compiling filetime v0.2.15
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[INFO] [stderr]     Checking strip-ansi-escapes v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling curl-sys v0.4.46+curl-7.79.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.23+1.2.0
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling cargo v0.56.0
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking git2 v0.13.22
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking cargo-util v0.1.1
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[INFO] [stderr]     Checking git2-curl v0.14.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking rustfix v0.6.0
[INFO] [stderr]     Checking crates-io v0.33.0
[INFO] [stderr]     Checking cargo-c v0.9.3+cargo-0.56 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `destdir`
[INFO] [stdout]   --> src/cli.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     destdir: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prefix`
[INFO] [stdout]   --> src/cli.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     prefix: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libdir`
[INFO] [stdout]   --> src/cli.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     libdir: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `includedir`
[INFO] [stdout]   --> src/cli.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     includedir: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bindir`
[INFO] [stdout]   --> src/cli.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     bindir: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pkgconfigdir`
[INFO] [stdout]   --> src/cli.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pkgconfigdir: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dlltool`
[INFO] [stdout]   --> src/cli.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     dlltool: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `crt_static`
[INFO] [stdout]   --> src/cli.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     crt_static: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `destdir`
[INFO] [stdout]   --> src/cli.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     destdir: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prefix`
[INFO] [stdout]   --> src/cli.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     prefix: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libdir`
[INFO] [stdout]   --> src/cli.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     libdir: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `includedir`
[INFO] [stdout]   --> src/cli.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     includedir: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bindir`
[INFO] [stdout]   --> src/cli.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     bindir: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pkgconfigdir`
[INFO] [stdout]   --> src/cli.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pkgconfigdir: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dlltool`
[INFO] [stdout]   --> src/cli.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     dlltool: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `crt_static`
[INFO] [stdout]   --> src/cli.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     crt_static: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "f1794d950ca434c7be0e723843b7252638206f17bb3a8f7bb7288d63583ad7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1794d950ca434c7be0e723843b7252638206f17bb3a8f7bb7288d63583ad7bf", kill_on_drop: false }`
[INFO] [stdout] f1794d950ca434c7be0e723843b7252638206f17bb3a8f7bb7288d63583ad7bf