[INFO] cloning repository https://github.com/wadadli/webapp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wadadli/webapp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwadadli%2Fwebapp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwadadli%2Fwebapp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb78c7f18926e8734621c38863e80b7d52d8660d
[INFO] testing wadadli/webapp 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%2Fwadadli%2Fwebapp" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wadadli/webapp 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/wadadli/webapp
[INFO] finished tweaking git repo https://github.com/wadadli/webapp
[INFO] tweaked toml for git repo https://github.com/wadadli/webapp written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/wadadli/webapp 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] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[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 rand_core v0.2.1
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded smallvec v0.6.4
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded generic-array v0.9.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded siphasher v0.2.3
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded idna v0.1.5
[INFO] [stderr]   Downloaded byteorder v1.2.4
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded uuid v0.6.5
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded mysql_common v0.8.0
[INFO] [stderr]   Downloaded phf_shared v0.7.22
[INFO] [stderr]   Downloaded flate2 v1.0.2
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded serde v1.0.71
[INFO] [stderr]   Downloaded log v0.4.3
[INFO] [stderr]   Downloaded atoi v0.2.3
[INFO] [stderr]   Downloaded digest v0.7.5
[INFO] [stderr]   Downloaded mime_guess v1.8.6
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded bit-vec v0.5.0
[INFO] [stderr]   Downloaded serde_json v1.0.24
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded iron v0.6.0
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded named_pipe v0.3.0
[INFO] [stderr]   Downloaded chrono v0.4.5
[INFO] [stderr]   Downloaded aho-corasick v0.6.6
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] [stderr]   Downloaded phf_codegen v0.7.22
[INFO] [stderr]   Downloaded cc v1.0.18
[INFO] [stderr]   Downloaded phf v0.7.22
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded dtoa v0.4.3
[INFO] [stderr]   Downloaded url v1.7.1
[INFO] [stderr]   Downloaded base64 v0.9.2
[INFO] [stderr]   Downloaded mysql v14.0.0
[INFO] [stderr]   Downloaded twox-hash v1.1.1
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded matches v0.1.7
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded cfg-if v0.1.4
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded phf_generator v0.7.22
[INFO] [stderr]   Downloaded bufstream v0.1.3
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded num-traits v0.2.5
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] [stderr]   Downloaded arrayref v0.3.4
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded regex v1.0.2
[INFO] [stderr]   Downloaded num-bigint v0.2.0
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded itoa v0.4.2
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded nix v0.11.0
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b1456fa88e058f1a5e345f336d4ef9fda6f51cfb40a6fcc4703d802a63bb2aaa
[INFO] running `Command { std: "docker" "start" "-a" "b1456fa88e058f1a5e345f336d4ef9fda6f51cfb40a6fcc4703d802a63bb2aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1456fa88e058f1a5e345f336d4ef9fda6f51cfb40a6fcc4703d802a63bb2aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1456fa88e058f1a5e345f336d4ef9fda6f51cfb40a6fcc4703d802a63bb2aaa", kill_on_drop: false }`
[INFO] [stdout] b1456fa88e058f1a5e345f336d4ef9fda6f51cfb40a6fcc4703d802a63bb2aaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 812ba5c1f06ced323a67b6daff01256b59b28eb5e07e088b3f61c56a73099767
[INFO] running `Command { std: "docker" "start" "-a" "812ba5c1f06ced323a67b6daff01256b59b28eb5e07e088b3f61c56a73099767", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling matches v0.1.7
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling arrayref v0.3.4
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling bufstream v0.1.3
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling smallvec v0.6.4
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]    Compiling twox-hash v1.1.1
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling atoi v0.2.3
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling phf v0.7.22
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling digest v0.7.5
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling flate2 v1.0.2
[INFO] [stderr]    Compiling chrono v0.4.5
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling serde_json v1.0.24
[INFO] [stderr]    Compiling mysql_common v0.8.0
[INFO] [stderr]    Compiling iron v0.6.0
[INFO] [stderr]    Compiling mysql v14.0.0
[INFO] [stderr]    Compiling webapp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rust_2018_preview)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rust_2018_preview)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0705.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webapp` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "812ba5c1f06ced323a67b6daff01256b59b28eb5e07e088b3f61c56a73099767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "812ba5c1f06ced323a67b6daff01256b59b28eb5e07e088b3f61c56a73099767", kill_on_drop: false }`
[INFO] [stdout] 812ba5c1f06ced323a67b6daff01256b59b28eb5e07e088b3f61c56a73099767
