[INFO] cloning repository https://github.com/davidcornu/yells-at
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidcornu/yells-at" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidcornu%2Fyells-at", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidcornu%2Fyells-at'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25b6da58b58e2f43fa5f104c3f12e85baca24091
[INFO] checking davidcornu/yells-at against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidcornu%2Fyells-at" "/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/davidcornu/yells-at on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/davidcornu/yells-at
[INFO] finished tweaking git repo https://github.com/davidcornu/yells-at
[INFO] tweaked toml for git repo https://github.com/davidcornu/yells-at written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/davidcornu/yells-at already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio v0.2.5
[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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35882e86fe9f9d3b71e57d7b295d3b7dfd12cce3417827b6fb10575d4ecffbed
[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" "35882e86fe9f9d3b71e57d7b295d3b7dfd12cce3417827b6fb10575d4ecffbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35882e86fe9f9d3b71e57d7b295d3b7dfd12cce3417827b6fb10575d4ecffbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35882e86fe9f9d3b71e57d7b295d3b7dfd12cce3417827b6fb10575d4ecffbed", kill_on_drop: false }`
[INFO] [stdout] 35882e86fe9f9d3b71e57d7b295d3b7dfd12cce3417827b6fb10575d4ecffbed
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9c53b1c119b533f2f87c1d1ed0c21cae21856d23c484717ba7dbb6ea04ffeb2
[INFO] running `Command { std: "docker" "start" "-a" "a9c53b1c119b533f2f87c1d1ed0c21cae21856d23c484717ba7dbb6ea04ffeb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking new_debug_unreachable v1.0.3
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]     Checking tokio v0.2.5
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.4.0
[INFO] [stderr]     Checking scraper v0.11.0
[INFO] [stderr]     Checking yells-at v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: warn(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]  --> src/main.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[warn(rust_2018_idioms)]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: warn(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]  --> src/main.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[warn(rust_2018_idioms)]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: warn(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]  --> src/main.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[warn(rust_2018_idioms)]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:93:50
[INFO] [stdout]    |
[INFO] [stdout] 93 |     static ref HTTP_CLIENT: github::HttpClient = { github::build_http_client() };
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: warn(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]  --> src/main.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[warn(rust_2018_idioms)]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:93:50
[INFO] [stdout]    |
[INFO] [stdout] 93 |     static ref HTTP_CLIENT: github::HttpClient = { github::build_http_client() };
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.63s
[INFO] running `Command { std: "docker" "inspect" "a9c53b1c119b533f2f87c1d1ed0c21cae21856d23c484717ba7dbb6ea04ffeb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c53b1c119b533f2f87c1d1ed0c21cae21856d23c484717ba7dbb6ea04ffeb2", kill_on_drop: false }`
[INFO] [stdout] a9c53b1c119b533f2f87c1d1ed0c21cae21856d23c484717ba7dbb6ea04ffeb2