[INFO] fetching crate mecha 0.1.0...
[INFO] testing mecha-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mecha 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mecha 0.1.0
[INFO] finished tweaking crates.io crate mecha 0.1.0
[INFO] tweaked toml for crates.io crate mecha 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mecha 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mecha 0.1.0 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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c0f42fb94d72a57e71e06dbdd7e3b9e81b3c2fa0d7cf05f97e46ad9bfd543db
[INFO] running `Command { std: "docker" "start" "-a" "5c0f42fb94d72a57e71e06dbdd7e3b9e81b3c2fa0d7cf05f97e46ad9bfd543db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c0f42fb94d72a57e71e06dbdd7e3b9e81b3c2fa0d7cf05f97e46ad9bfd543db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c0f42fb94d72a57e71e06dbdd7e3b9e81b3c2fa0d7cf05f97e46ad9bfd543db", kill_on_drop: false }`
[INFO] [stdout] 5c0f42fb94d72a57e71e06dbdd7e3b9e81b3c2fa0d7cf05f97e46ad9bfd543db
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 218747e8230cf178f142954c2e9e335d49bc5cbfc2fb532180c6350791f4b0a7
[INFO] running `Command { std: "docker" "start" "-a" "218747e8230cf178f142954c2e9e335d49bc5cbfc2fb532180c6350791f4b0a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling mecha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "218747e8230cf178f142954c2e9e335d49bc5cbfc2fb532180c6350791f4b0a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "218747e8230cf178f142954c2e9e335d49bc5cbfc2fb532180c6350791f4b0a7", kill_on_drop: false }`
[INFO] [stdout] 218747e8230cf178f142954c2e9e335d49bc5cbfc2fb532180c6350791f4b0a7
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61f726a56fac94c075e903e6ef726e31aa19589eb19a39f833b716f619e00e38
[INFO] running `Command { std: "docker" "start" "-a" "61f726a56fac94c075e903e6ef726e31aa19589eb19a39f833b716f619e00e38", kill_on_drop: false }`
[INFO] [stderr]    Compiling mecha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "61f726a56fac94c075e903e6ef726e31aa19589eb19a39f833b716f619e00e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f726a56fac94c075e903e6ef726e31aa19589eb19a39f833b716f619e00e38", kill_on_drop: false }`
[INFO] [stdout] 61f726a56fac94c075e903e6ef726e31aa19589eb19a39f833b716f619e00e38
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5214fd947ed884c6f2a29824604540dcefc4028a61705647c5df130672e77929
[INFO] running `Command { std: "docker" "start" "-a" "5214fd947ed884c6f2a29824604540dcefc4028a61705647c5df130672e77929", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mecha-9bd5c1e66760bf63)
[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" "5214fd947ed884c6f2a29824604540dcefc4028a61705647c5df130672e77929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5214fd947ed884c6f2a29824604540dcefc4028a61705647c5df130672e77929", kill_on_drop: false }`
[INFO] [stdout] 5214fd947ed884c6f2a29824604540dcefc4028a61705647c5df130672e77929