[INFO] cloning repository https://github.com/derekmorr/rust-rc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/derekmorr/rust-rc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekmorr%2Frust-rc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekmorr%2Frust-rc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 746e1be1e4c7a2c47a43fcc33d6c738f3b4ec165
[INFO] testing derekmorr/rust-rc against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekmorr%2Frust-rc" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/derekmorr/rust-rc on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/derekmorr/rust-rc
[INFO] finished tweaking git repo https://github.com/derekmorr/rust-rc
[INFO] tweaked toml for git repo https://github.com/derekmorr/rust-rc written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/derekmorr/rust-rc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multimap v0.4.0
[INFO] [stderr]   Downloaded itertools-num v0.1.1
[INFO] [stderr]   Downloaded bv v0.7.4
[INFO] [stderr]   Downloaded ndarray v0.9.1
[INFO] [stderr]   Downloaded bio v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d91215b77ad44b0a4c4710a79be47393e86a3d50fba86e3cd61c98a5db8f9bcf
[INFO] running `Command { std: "docker" "start" "-a" "d91215b77ad44b0a4c4710a79be47393e86a3d50fba86e3cd61c98a5db8f9bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d91215b77ad44b0a4c4710a79be47393e86a3d50fba86e3cd61c98a5db8f9bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91215b77ad44b0a4c4710a79be47393e86a3d50fba86e3cd61c98a5db8f9bcf", kill_on_drop: false }`
[INFO] [stdout] d91215b77ad44b0a4c4710a79be47393e86a3d50fba86e3cd61c98a5db8f9bcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63440122af97cfcf1c5b643a6fcfab17d62772b9b994677cf1650290b45fd8ec
[INFO] running `Command { std: "docker" "start" "-a" "63440122af97cfcf1c5b643a6fcfab17d62772b9b994677cf1650290b45fd8ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]    Compiling bv v0.7.4
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling bytecount v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling itertools-num v0.1.1
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling csv v1.0.0
[INFO] [stderr]    Compiling bio v0.21.0
[INFO] [stderr]    Compiling rust-rc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.44s
[INFO] running `Command { std: "docker" "inspect" "63440122af97cfcf1c5b643a6fcfab17d62772b9b994677cf1650290b45fd8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63440122af97cfcf1c5b643a6fcfab17d62772b9b994677cf1650290b45fd8ec", kill_on_drop: false }`
[INFO] [stdout] 63440122af97cfcf1c5b643a6fcfab17d62772b9b994677cf1650290b45fd8ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8aa91644a60a9ae84ecfc2fa108b685da216853fc9666889fc51c8bb572e98c9
[INFO] running `Command { std: "docker" "start" "-a" "8aa91644a60a9ae84ecfc2fa108b685da216853fc9666889fc51c8bb572e98c9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-rc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "8aa91644a60a9ae84ecfc2fa108b685da216853fc9666889fc51c8bb572e98c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa91644a60a9ae84ecfc2fa108b685da216853fc9666889fc51c8bb572e98c9", kill_on_drop: false }`
[INFO] [stdout] 8aa91644a60a9ae84ecfc2fa108b685da216853fc9666889fc51c8bb572e98c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51ad90a837083c491cc4e655d1fc4875fe529f1869cfc8e543a555eb9d6bf556
[INFO] running `Command { std: "docker" "start" "-a" "51ad90a837083c491cc4e655d1fc4875fe529f1869cfc8e543a555eb9d6bf556", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.67s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_rc-cb047042aefb361a)
[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" "51ad90a837083c491cc4e655d1fc4875fe529f1869cfc8e543a555eb9d6bf556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ad90a837083c491cc4e655d1fc4875fe529f1869cfc8e543a555eb9d6bf556", kill_on_drop: false }`
[INFO] [stdout] 51ad90a837083c491cc4e655d1fc4875fe529f1869cfc8e543a555eb9d6bf556