[INFO] fetching crate shuang 0.1.1...
[INFO] testing shuang-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate shuang 0.1.1 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate shuang 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shuang 0.1.1
[INFO] finished tweaking crates.io crate shuang 0.1.1
[INFO] tweaked toml for crates.io crate shuang 0.1.1 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate crates.io crate shuang 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e401e57890a76be72446e6acce1dfc31987eae7c3e82fa4495f7f3738547632
[INFO] running `Command { std: "docker" "start" "-a" "0e401e57890a76be72446e6acce1dfc31987eae7c3e82fa4495f7f3738547632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e401e57890a76be72446e6acce1dfc31987eae7c3e82fa4495f7f3738547632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e401e57890a76be72446e6acce1dfc31987eae7c3e82fa4495f7f3738547632", kill_on_drop: false }`
[INFO] [stdout] 0e401e57890a76be72446e6acce1dfc31987eae7c3e82fa4495f7f3738547632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae9f979e50854d2b6cf64298244498feb8e5feee376da87dec967c053e7d7135
[INFO] running `Command { std: "docker" "start" "-a" "ae9f979e50854d2b6cf64298244498feb8e5feee376da87dec967c053e7d7135", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling object v0.25.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ferris-says v0.2.0
[INFO] [stderr]    Compiling shuang v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.56s
[INFO] running `Command { std: "docker" "inspect" "ae9f979e50854d2b6cf64298244498feb8e5feee376da87dec967c053e7d7135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae9f979e50854d2b6cf64298244498feb8e5feee376da87dec967c053e7d7135", kill_on_drop: false }`
[INFO] [stdout] ae9f979e50854d2b6cf64298244498feb8e5feee376da87dec967c053e7d7135
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8335ff543a00721c6f9afd1ef0ea60298187aabddd2f61207afe7557bdca2a4
[INFO] running `Command { std: "docker" "start" "-a" "e8335ff543a00721c6f9afd1ef0ea60298187aabddd2f61207afe7557bdca2a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling shuang v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/shuang-dc7f176c862a48c1)
[INFO] running `Command { std: "docker" "inspect" "e8335ff543a00721c6f9afd1ef0ea60298187aabddd2f61207afe7557bdca2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8335ff543a00721c6f9afd1ef0ea60298187aabddd2f61207afe7557bdca2a4", kill_on_drop: false }`
[INFO] [stdout] e8335ff543a00721c6f9afd1ef0ea60298187aabddd2f61207afe7557bdca2a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85afa3762a94b382d56a532036b93fb81d910e243392ebed9febb78d7940d82e
[INFO] running `Command { std: "docker" "start" "-a" "85afa3762a94b382d56a532036b93fb81d910e243392ebed9febb78d7940d82e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/shuang-dc7f176c862a48c1)
[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" "85afa3762a94b382d56a532036b93fb81d910e243392ebed9febb78d7940d82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85afa3762a94b382d56a532036b93fb81d910e243392ebed9febb78d7940d82e", kill_on_drop: false }`
[INFO] [stdout] 85afa3762a94b382d56a532036b93fb81d910e243392ebed9febb78d7940d82e