[INFO] cloning repository https://github.com/carllerche/minidb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carllerche/minidb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarllerche%2Fminidb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarllerche%2Fminidb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43d80944bdda1d927ebae55cc08624271b4acfb1
[INFO] testing carllerche/minidb against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarllerche%2Fminidb" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/carllerche/minidb on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/carllerche/minidb
[INFO] finished tweaking git repo https://github.com/carllerche/minidb
[INFO] tweaked toml for git repo https://github.com/carllerche/minidb written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/carllerche/minidb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/buffoon`
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tokio-timer`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/fixture-io`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/io-dump`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded docopt v0.6.86
[INFO] [stderr]   Downloaded quickcheck v0.3.1
[INFO] [stderr]   Downloaded regex v0.1.77
[INFO] [stderr]   Downloaded regex-syntax v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bf9c4962055fcf93bcd8a610c1a7eb5f4630c9af52fa9d3ff9c4106b2063b9e
[INFO] running `Command { std: "docker" "start" "-a" "9bf9c4962055fcf93bcd8a610c1a7eb5f4630c9af52fa9d3ff9c4106b2063b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bf9c4962055fcf93bcd8a610c1a7eb5f4630c9af52fa9d3ff9c4106b2063b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf9c4962055fcf93bcd8a610c1a7eb5f4630c9af52fa9d3ff9c4106b2063b9e", kill_on_drop: false }`
[INFO] [stdout] 9bf9c4962055fcf93bcd8a610c1a7eb5f4630c9af52fa9d3ff9c4106b2063b9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db3ef38f3751f3c60705178844651198b7416b8942ec0c94814736cd6a32f974
[INFO] running `Command { std: "docker" "start" "-a" "db3ef38f3751f3c60705178844651198b7416b8942ec0c94814736cd6a32f974", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling regex-syntax v0.3.7
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling futures v0.1.3
[INFO] [stderr]    Compiling buffoon v0.5.0 (https://github.com/carllerche/buffoon#93c022ee)
[INFO] [stderr]    Compiling bytes v0.4.0-dev (https://github.com/carllerche/bytes#d717fde5)
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-service v0.1.0 (https://github.com/tokio-rs/tokio-service#92eccdc1)
[INFO] [stderr]    Compiling tokio-timer v0.1.0 (https://github.com/tokio-rs/tokio-timer#4acaed62)
[INFO] [stderr]    Compiling regex v0.1.77
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "db3ef38f3751f3c60705178844651198b7416b8942ec0c94814736cd6a32f974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3ef38f3751f3c60705178844651198b7416b8942ec0c94814736cd6a32f974", kill_on_drop: false }`
[INFO] [stdout] db3ef38f3751f3c60705178844651198b7416b8942ec0c94814736cd6a32f974
