[INFO] fetching crate cwiid 0.1.15...
[INFO] testing cwiid-0.1.15 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate cwiid 0.1.15 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate cwiid 0.1.15
[INFO] finished tweaking crates.io crate cwiid 0.1.15
[INFO] tweaked toml for crates.io crate cwiid 0.1.15 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cwiid 0.1.15 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libcwiid-sys v0.1.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f0b6e0745dd11a18cb0c25d9673fe646ee272c6d207e4b57561431a46bbbc63b
[INFO] running `Command { std: "docker" "start" "f0b6e0745dd11a18cb0c25d9673fe646ee272c6d207e4b57561431a46bbbc63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0b6e0745dd11a18cb0c25d9673fe646ee272c6d207e4b57561431a46bbbc63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f0b6e0745dd11a18cb0c25d9673fe646ee272c6d207e4b57561431a46bbbc63b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0b6e0745dd11a18cb0c25d9673fe646ee272c6d207e4b57561431a46bbbc63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f0b6e0745dd11a18cb0c25d9673fe646ee272c6d207e4b57561431a46bbbc63b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling libcwiid-sys v0.1.18
[INFO] [stderr]    Compiling lazy_static v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cwiid v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Invert` is never used
[INFO] [stdout]  --> src/result_extensions.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Invert<T, E> {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "f0b6e0745dd11a18cb0c25d9673fe646ee272c6d207e4b57561431a46bbbc63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f0b6e0745dd11a18cb0c25d9673fe646ee272c6d207e4b57561431a46bbbc63b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libcwiid-sys v0.1.18
[INFO] [stderr]    Compiling lazy_static v1.5.1
[INFO] [stderr]    Compiling cwiid v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Invert` is never used
[INFO] [stdout]  --> src/result_extensions.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Invert<T, E> {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Invert` is never used
[INFO] [stdout]  --> src/result_extensions.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Invert<T, E> {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "<1 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-*.rlib" "-Wl,-Bdynamic" "-lcwiid" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/release/deps/rustctG2Ewo/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/release/deps/cwiid-8e39a5f1169ac10a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-all" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: unable to find library -lcwiid
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cwiid` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f0b6e0745dd11a18cb0c25d9673fe646ee272c6d207e4b57561431a46bbbc63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b6e0745dd11a18cb0c25d9673fe646ee272c6d207e4b57561431a46bbbc63b", kill_on_drop: false }`
[INFO] [stdout] f0b6e0745dd11a18cb0c25d9673fe646ee272c6d207e4b57561431a46bbbc63b
