[INFO] fetching crate shuang 0.1.1...
[INFO] testing shuang-0.1.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate shuang 0.1.1 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate shuang 0.1.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-24/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded rustc-demangle v0.1.19
[INFO] [stderr]   Downloaded smallvec v0.4.5
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded backtrace v0.3.60
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded ferris-says v0.2.0
[INFO] [stderr]   Downloaded object v0.25.2
[INFO] [stderr]   Downloaded addr2line v0.15.2
[INFO] [stderr]   Downloaded cc v1.0.68
[INFO] [stderr]   Downloaded miniz_oxide v0.4.4
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded error-chain v0.10.0
[INFO] [stderr]   Downloaded gimli v0.24.0
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] [stderr]   Downloaded memchr v2.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a79cd6a8f3f335b7d7726c7f5aa6d3b3d43a96f0f0afffa16f645f2b727902c
[INFO] running `Command { std: "docker" "start" "-a" "3a79cd6a8f3f335b7d7726c7f5aa6d3b3d43a96f0f0afffa16f645f2b727902c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a79cd6a8f3f335b7d7726c7f5aa6d3b3d43a96f0f0afffa16f645f2b727902c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a79cd6a8f3f335b7d7726c7f5aa6d3b3d43a96f0f0afffa16f645f2b727902c", kill_on_drop: false }`
[INFO] [stdout] 3a79cd6a8f3f335b7d7726c7f5aa6d3b3d43a96f0f0afffa16f645f2b727902c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50cf8b37ac0d2a6f59c5c1aa41354a142d58218acc18514094e3e797febceabd
[INFO] running `Command { std: "docker" "start" "-a" "50cf8b37ac0d2a6f59c5c1aa41354a142d58218acc18514094e3e797febceabd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling object v0.25.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling backtrace v0.3.60
[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 36.53s
[INFO] running `Command { std: "docker" "inspect" "50cf8b37ac0d2a6f59c5c1aa41354a142d58218acc18514094e3e797febceabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50cf8b37ac0d2a6f59c5c1aa41354a142d58218acc18514094e3e797febceabd", kill_on_drop: false }`
[INFO] [stdout] 50cf8b37ac0d2a6f59c5c1aa41354a142d58218acc18514094e3e797febceabd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bea2a3c0453e6260cdc60b49c485d759ed5a8cf8c3c3f328b94a2dc97a658e5b
[INFO] running `Command { std: "docker" "start" "-a" "bea2a3c0453e6260cdc60b49c485d759ed5a8cf8c3c3f328b94a2dc97a658e5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling shuang v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "bea2a3c0453e6260cdc60b49c485d759ed5a8cf8c3c3f328b94a2dc97a658e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea2a3c0453e6260cdc60b49c485d759ed5a8cf8c3c3f328b94a2dc97a658e5b", kill_on_drop: false }`
[INFO] [stdout] bea2a3c0453e6260cdc60b49c485d759ed5a8cf8c3c3f328b94a2dc97a658e5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5902f0925ec995542364bf5a3574c81b2ec5f8a08bf1eef01f90642e7f167514
[INFO] running `Command { std: "docker" "start" "-a" "5902f0925ec995542364bf5a3574c81b2ec5f8a08bf1eef01f90642e7f167514", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shuang-065c6195d9b0ff6f)
[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" "5902f0925ec995542364bf5a3574c81b2ec5f8a08bf1eef01f90642e7f167514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5902f0925ec995542364bf5a3574c81b2ec5f8a08bf1eef01f90642e7f167514", kill_on_drop: false }`
[INFO] [stdout] 5902f0925ec995542364bf5a3574c81b2ec5f8a08bf1eef01f90642e7f167514