[INFO] fetching crate c2 0.1.0...
[INFO] testing c2-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate c2 0.1.0 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate c2 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c2 0.1.0
[INFO] finished tweaking crates.io crate c2 0.1.0
[INFO] tweaked toml for crates.io crate c2 0.1.0 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c2-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43f80c1c5b5ecb4f3c7d60f713da5006619e8e806d7d164d9e84a7facffb9924
[INFO] running `Command { std: "docker" "start" "-a" "43f80c1c5b5ecb4f3c7d60f713da5006619e8e806d7d164d9e84a7facffb9924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43f80c1c5b5ecb4f3c7d60f713da5006619e8e806d7d164d9e84a7facffb9924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f80c1c5b5ecb4f3c7d60f713da5006619e8e806d7d164d9e84a7facffb9924", kill_on_drop: false }`
[INFO] [stdout] 43f80c1c5b5ecb4f3c7d60f713da5006619e8e806d7d164d9e84a7facffb9924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad012c24fae23806960c241e85a490c2c6e2a0ed93a55efe58393db9fa1c9c74
[INFO] running `Command { std: "docker" "start" "-a" "ad012c24fae23806960c241e85a490c2c6e2a0ed93a55efe58393db9fa1c9c74", kill_on_drop: false }`
[INFO] [stderr]    Compiling c2-sys v0.1.0
[INFO] [stderr]    Compiling c2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "ad012c24fae23806960c241e85a490c2c6e2a0ed93a55efe58393db9fa1c9c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad012c24fae23806960c241e85a490c2c6e2a0ed93a55efe58393db9fa1c9c74", kill_on_drop: false }`
[INFO] [stdout] ad012c24fae23806960c241e85a490c2c6e2a0ed93a55efe58393db9fa1c9c74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef0673ff5d96f9181d3bc2979221cacf2f0a7bc93b14eeb20e99363a2eb7e0b7
[INFO] running `Command { std: "docker" "start" "-a" "ef0673ff5d96f9181d3bc2979221cacf2f0a7bc93b14eeb20e99363a2eb7e0b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling c2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "ef0673ff5d96f9181d3bc2979221cacf2f0a7bc93b14eeb20e99363a2eb7e0b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0673ff5d96f9181d3bc2979221cacf2f0a7bc93b14eeb20e99363a2eb7e0b7", kill_on_drop: false }`
[INFO] [stdout] ef0673ff5d96f9181d3bc2979221cacf2f0a7bc93b14eeb20e99363a2eb7e0b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13791296a809e28b9fd0cc79ee40b812175d46bbd7ecfca19313c6ac9536378f
[INFO] running `Command { std: "docker" "start" "-a" "13791296a809e28b9fd0cc79ee40b812175d46bbd7ecfca19313c6ac9536378f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/c2-3710578d28d2a78f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests c2
[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 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13791296a809e28b9fd0cc79ee40b812175d46bbd7ecfca19313c6ac9536378f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13791296a809e28b9fd0cc79ee40b812175d46bbd7ecfca19313c6ac9536378f", kill_on_drop: false }`
[INFO] [stdout] 13791296a809e28b9fd0cc79ee40b812175d46bbd7ecfca19313c6ac9536378f