[INFO] fetching crate kucoin_api 1.4.11...
[INFO] checking kucoin_api-1.4.11 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate kucoin_api 1.4.11 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate kucoin_api 1.4.11 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kucoin_api 1.4.11
[INFO] finished tweaking crates.io crate kucoin_api 1.4.11
[INFO] tweaked toml for crates.io crate kucoin_api 1.4.11 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate kucoin_api 1.4.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errno v0.3.5
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b03699332ab37614502ed053769620ec420953f115b3d042163404eedda3955
[INFO] running `Command { std: "docker" "start" "-a" "4b03699332ab37614502ed053769620ec420953f115b3d042163404eedda3955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b03699332ab37614502ed053769620ec420953f115b3d042163404eedda3955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b03699332ab37614502ed053769620ec420953f115b3d042163404eedda3955", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b838e8052ea036b75e10c172e1f0e1326856108ba6f45681899f285fc8fe237
[INFO] running `Command { std: "docker" "start" "-a" "6b838e8052ea036b75e10c172e1f0e1326856108ba6f45681899f285fc8fe237", kill_on_drop: false }`
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[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking kucoin_api v1.4.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `reqwest` is imported redundantly
[INFO] [stdout]    --> src/client.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout] 1   | use reqwest;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:221:1
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub extern crate reqwest;
[INFO] [stdout]     | ------------------------- the item `reqwest` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `failure` is imported redundantly
[INFO] [stdout]    --> src/client.rs:6:5
[INFO] [stdout]     |
[INFO] [stdout] 6   | use failure;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:234:1
[INFO] [stdout]     |
[INFO] [stdout] 234 | pub extern crate failure;
[INFO] [stdout]     | ------------------------- the item `failure` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `failure` is imported redundantly
[INFO] [stdout]    --> src/websocket.rs:14:5
[INFO] [stdout]     |
[INFO] [stdout] 14  | use failure;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:234:1
[INFO] [stdout]     |
[INFO] [stdout] 234 | pub extern crate failure;
[INFO] [stdout]     | ------------------------- the item `failure` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]    --> src/websocket.rs:15:5
[INFO] [stdout]     |
[INFO] [stdout] 15  | use serde_json;
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | pub extern crate serde_json;
[INFO] [stdout]     | ---------------------------- the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `reqwest` is imported redundantly
[INFO] [stdout]    --> src/client.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout] 1   | use reqwest;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:221:1
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub extern crate reqwest;
[INFO] [stdout]     | ------------------------- the item `reqwest` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `failure` is imported redundantly
[INFO] [stdout]    --> src/client.rs:6:5
[INFO] [stdout]     |
[INFO] [stdout] 6   | use failure;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:234:1
[INFO] [stdout]     |
[INFO] [stdout] 234 | pub extern crate failure;
[INFO] [stdout]     | ------------------------- the item `failure` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `failure` is imported redundantly
[INFO] [stdout]    --> src/websocket.rs:14:5
[INFO] [stdout]     |
[INFO] [stdout] 14  | use failure;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:234:1
[INFO] [stdout]     |
[INFO] [stdout] 234 | pub extern crate failure;
[INFO] [stdout]     | ------------------------- the item `failure` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]    --> src/websocket.rs:15:5
[INFO] [stdout]     |
[INFO] [stdout] 15  | use serde_json;
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | pub extern crate serde_json;
[INFO] [stdout]     | ---------------------------- the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "6b838e8052ea036b75e10c172e1f0e1326856108ba6f45681899f285fc8fe237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b838e8052ea036b75e10c172e1f0e1326856108ba6f45681899f285fc8fe237", kill_on_drop: false }`
[INFO] [stdout] 6b838e8052ea036b75e10c172e1f0e1326856108ba6f45681899f285fc8fe237