[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] checking wadadli/webapp against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwadadli%2Fwebapp" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wadadli/webapp on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twox-hash v1.1.1
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded itoa v0.4.2
[INFO] [stderr]   Downloaded serde v1.0.71
[INFO] [stderr]   Downloaded smallvec v0.6.4
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded phf v0.7.22
[INFO] [stderr]   Downloaded cfg-if v0.1.4
[INFO] [stderr]   Downloaded cc v1.0.18
[INFO] [stderr]   Downloaded arrayref v0.3.4
[INFO] [stderr]   Downloaded digest v0.7.5
[INFO] [stderr]   Downloaded num-traits v0.2.5
[INFO] [stderr]   Downloaded iron v0.6.0
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded bufstream v0.1.3
[INFO] [stderr]   Downloaded log v0.4.3
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded byteorder v1.2.4
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded num-bigint v0.2.0
[INFO] [stderr]   Downloaded atoi v0.2.3
[INFO] [stderr]   Downloaded phf_codegen v0.7.22
[INFO] [stderr]   Downloaded nix v0.11.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] [stderr]   Downloaded chrono v0.4.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded flate2 v1.0.2
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] [stderr]   Downloaded base64 v0.9.2
[INFO] [stderr]   Downloaded mysql_common v0.8.0
[INFO] [stderr]   Downloaded uuid v0.6.5
[INFO] [stderr]   Downloaded named_pipe v0.3.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.6
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded phf_generator v0.7.22
[INFO] [stderr]   Downloaded phf_shared v0.7.22
[INFO] [stderr]   Downloaded mime_guess v1.8.6
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded matches v0.1.7
[INFO] [stderr]   Downloaded serde_json v1.0.24
[INFO] [stderr]   Downloaded regex v1.0.2
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded url v1.7.1
[INFO] [stderr]   Downloaded mysql v14.0.0
[INFO] [stderr]   Downloaded bit-vec v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edf515a8fd2054fbb38ece0bb0252c0a78472bb84bf83d8b72d39ac4c980f2cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "edf515a8fd2054fbb38ece0bb0252c0a78472bb84bf83d8b72d39ac4c980f2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edf515a8fd2054fbb38ece0bb0252c0a78472bb84bf83d8b72d39ac4c980f2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf515a8fd2054fbb38ece0bb0252c0a78472bb84bf83d8b72d39ac4c980f2cd", kill_on_drop: false }`
[INFO] [stdout] edf515a8fd2054fbb38ece0bb0252c0a78472bb84bf83d8b72d39ac4c980f2cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58307ce514791023c6e2530c4619e55a4f4bf5ba49d9ea4d308c1e34f2b0e43c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "58307ce514791023c6e2530c4619e55a4f4bf5ba49d9ea4d308c1e34f2b0e43c", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking miniz-sys v0.1.10
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking smallvec v0.6.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking phf v0.7.22
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking twox-hash v1.1.1
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]     Checking atoi v0.2.3
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]     Checking chrono v0.4.5
[INFO] [stderr]     Checking num-bigint v0.2.0
[INFO] [stderr]     Checking regex v1.0.2
[INFO] [stderr]     Checking mysql_common v0.8.0
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking mysql v14.0.0
[INFO] [stderr]     Checking 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] 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] warning: struct is never constructed: `Config`
[INFO] [stdout]  --> src/lib.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Config {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Config`
[INFO] [stdout]  --> src/lib.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Config {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0705`.
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0705`.
[INFO] [stdout] 
[INFO] [stdout] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rust_2018_preview)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rust_2018_preview)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0705`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0705`.
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "58307ce514791023c6e2530c4619e55a4f4bf5ba49d9ea4d308c1e34f2b0e43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58307ce514791023c6e2530c4619e55a4f4bf5ba49d9ea4d308c1e34f2b0e43c", kill_on_drop: false }`
[INFO] [stdout] 58307ce514791023c6e2530c4619e55a4f4bf5ba49d9ea4d308c1e34f2b0e43c