[INFO] cloning repository https://github.com/ustchcl/openapi-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ustchcl/openapi-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fustchcl%2Fopenapi-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fustchcl%2Fopenapi-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a8af2c3fd076a351bbc94a19a6bef6e7afd063b
[INFO] checking ustchcl/openapi-parser against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fustchcl%2Fopenapi-parser" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ustchcl/openapi-parser on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ustchcl/openapi-parser
[INFO] finished tweaking git repo https://github.com/ustchcl/openapi-parser
[INFO] tweaked toml for git repo https://github.com/ustchcl/openapi-parser written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ustchcl/openapi-parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/ustchcl/openapi.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-lite v0.1.7
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[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d924ffad38b6b5ee9ba6797048a19b189e61e78ab32da91740b8e22d4c7da2ab
[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" "d924ffad38b6b5ee9ba6797048a19b189e61e78ab32da91740b8e22d4c7da2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d924ffad38b6b5ee9ba6797048a19b189e61e78ab32da91740b8e22d4c7da2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d924ffad38b6b5ee9ba6797048a19b189e61e78ab32da91740b8e22d4c7da2ab", kill_on_drop: false }`
[INFO] [stdout] d924ffad38b6b5ee9ba6797048a19b189e61e78ab32da91740b8e22d4c7da2ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b35932ca949388041bf83b50787bbbef7ed1cda3e7fa15690d04269f6c631baf
[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" "b35932ca949388041bf83b50787bbbef7ed1cda3e7fa15690d04269f6c631baf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tracing v0.1.17
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking openapi v0.1.5 (https://github.com/ustchcl/openapi.git#d57a8023)
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking openapi-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `body::HttpBody as _`
[INFO] [stdout]  --> src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hyper::{body::HttpBody as _, Client};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `body::HttpBody as _`
[INFO] [stdout]  --> src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hyper::{body::HttpBody as _, Client};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut resp = client.get(uri).await?;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut resp = client.get(uri).await?;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "b35932ca949388041bf83b50787bbbef7ed1cda3e7fa15690d04269f6c631baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35932ca949388041bf83b50787bbbef7ed1cda3e7fa15690d04269f6c631baf", kill_on_drop: false }`
[INFO] [stdout] b35932ca949388041bf83b50787bbbef7ed1cda3e7fa15690d04269f6c631baf